A post shared by FamArch (@famar62776) on


A post shared by FamArch (@famar62776) on


A post shared by FamArch (@famar62776) on


A post shared by FamArch (@famar62776) on



[–]Universu 14 points 7 months ago

Is it possible to put a Habitat Laboratory Module (HLM) on the Asteroid Redirect Vehicle (ARV)?

[–]NASATechnology[F,S] 24 points 7 months ago

Well, it’s mostly a matter of resources. But the benefits to human exploration are very clear here, even without adding a habitat: we’ll learn about how to help astronauts survive the deep-space radiation environment, and we’ll learn how to operate long-term life-support systems, how to navigate outside Earth orbit, and the list goes on. And we’ll accomplish these goals using hardware we’ve been building for years, even before this asteroid initiative was announced.

[–]Universu 6 points 7 months ago

Thank you. Looking forward to a Lunar, Asteroid, Mars Space Station and Base where humans can live and protect the earth.

[–]betterhelp 1 point 7 months ago

I’ve been reading down this thread and for some reason after reading this comment, it seems like we are such an advanced species. The thought of going in to space to live etc is absolutely mind blowing and inspiring.

Thanks for this AMA, and your love for what you do pours through!


[–]Universu 11 points 2 months ago

Do you have a project about asteroids?

[–]the_zooniverse[F,S] 14 points 2 months ago

We are about to have an asteroid project. In the meantime you can search for asteroids in the Galaxy Zoo images from the Sloan Digital Sky Survey – they look like blue, green, red blobs as the asteroid moves through the images. Take a look at some examples on our Galaxy Zoo: Talk pages (http://talk.galaxyzoo.org/#/search?tags[asteroid]=true) [Karen]

[–]Universu 1 point 2 months ago

Thanks Ms Karen. The project will be an important component of the Earth’s planetary defense

[–]the_zooniverse[F,S] 4 points 2 months ago

You’re welcome. And it’s Dr Karen. 😉

[–]Universu 1 point 2 months ago

Thank you very much again Dr. Karen. Will be awaiting the asteroid project:)



[–]Universu 26 points 7 days ago

Greetings Dr. Lu, I have a few curious questions for you!

Is there a chance that NASA will help fastract the development and much earlier launch of Sentinel?

What is the latest status of Sentinel and when will it launch based from your current programming?

What are the current Asteroid NEO PHO hunter(s) that are operational today?

How is Sentinel different from other Asteroid hunting satellites?

Which Asteroid should Human explore? and why?

After Mars which terrestrial body should be explored by humans? Is Ceres a possibility?

Thank you

[–]edluB612[F,S] 43 points 7 days ago

NASA is already a partner in that they are allowing us to use (free of charge) their network of antennas on Earth to receive data from Sentinel. And in return, we will make all the data available to scientists around the world. We are currently working towards our 2nd major technical milestone called the Mission Architecture Approval, by which time we will have performance requirements defined for each of the subsystems of Sentinel as well as mission control etc.

[–]Universu 7 points 7 days ago

That is great. For the data, would Sentinel be provided with laser communication already? Since TDRS-L is launching today, how does it compare to the previous generations in supporting NASA mission and Sentinel? What are the next technological upgrades needed in support of Asteroid surveys? Thanks again. We appreciate your passion in this endeavor and you do inspire the world to take action!

[–]TeaPotCoffee 3 points 7 days ago

As private citizens that are mathematically and software-literate, is there any way we can help?



[–]Universu 6 points 1 month ago

  1. Greetings Dr. Lauretta, i have a few questions, how is 5819 doing and are there plans to probe it too?
  2. How did the idea of a sample return mission from an asteroid came about? What is the inspiration behind it?
  3. Can we not go faster in going to Bennu? Like less than year. What technogy is need to speed up voyage to asteroid?
  4. What is the story behind the name Osiris Rex and its Egyptian theme?
  5. What will happen to Osiris Rex after it return, will it remain in orbit or crash or an extension mission will be planned?
  6. Will you be able to study fragments of the Chelyabinsk meteorite? Why was it not detected earlier? Thanks in advance.

[–]dslauretta[S] 10 points 1 month ago

  1. Asteroid 5819 Lauretta is continuing on its orbital trajectory through the Solar System. My astronomer friends snap a photo for me every once in awhile but there is no plan for a dedicated science campaign.
  2. The OSIRIS-REx concept originated with Lockheed-Martin, who is always looking for new Principal Investigators for their planetary science missions. They approached Mike Drake, the original PI, in 2004 about collaborating on a sample-return mission. Mike invited me to be his Deputy at that time – which I gladly accepted. Mike and I worked on the mission concept for seven years before being accepted by NASA. Mike passed away in September 2011 – four months after winning the contract. I was promoted to PI at that time.
  3. We can go faster to get to Bennu. However, we need to not only get to Bennu – but also go in the same direction at the same speed. Thus, if we get there more quickly, we need giant rocket engines and a lot of fuel to slow down for the rendezvous.
  4. I came up with the name based on the mythology of Osiris as the bringer of life to the Nile Valley – Bennu represents the type of object that may have brought the seeds of life to Earth. It is also a crazy acronym – which fits in with the way NASA names their missions,
  5. OSIRIS-REx will eject the sample return capsule four hours before the spacecraft hits the top of the atmosphere at 27,000 mph. The spacecraft will then perform a deflection burn and be placed into a stable heliocentric orbit that will not intersect any object of astrobiological interest (planetary protection requirement). It may be available for an extended mission at the discretion of NASA.
  6. We have fragments of Chelyabinsk in our lab at the University of Arizona and are actively studying it. It snuck up on us because it came out of the Sun and it was a relatively small object – we are mandated by Congress to detect objects 140-m in diameter and larger – the Chelyabinsk bolide was ~20-m across.

[–]Universu 5 points 1 month ago

Again my gratitude for the answers and also a salute to Dr. Mike Drake for leading the team before you. Bidding you success all throughout OSIRIS-Rex’s journey.



[–]Universu 6 points 1 month ago

What are the possible objectives/investigations for an extended mission of the OSIRIS-Rex platform?

[–]ebeshore 6 points 1 month ago

After dropping off the sample return capsule at Earth in 2023, the OSIRIS-REx spacecraft will go into a solar orbit, with a close pass of Venus predicted. This will put the spacecraft in a position to get much warmer than its design allows. On the other hand, Lockheed Martin builds awesome spacecraft, and if the instruments onboard are still operating well (after 7 years) I think we can figure out some interesting things to do. To my knowledge, there hasn’t been any work done on the possible gravity assists that would put the spacecraft on interesting trajectories.

More images of Venus would be cool.

[–]davehammond 1 point 1 month ago

Seconded for more images of Venus. There are not nearly enough out there.

Asteroid Initiative Wiki 020114G


[–]CuriousMetaphor 2 points 1 month ago

Are you collaborating with the possible asteroid retrieval/redirect mission?

[–]dslauretta[S] 4 points 1 month ago

OSIRIS-REx is a PI-led mission in the New Frontiers Program, part of the NASA Science Mission Directorate. ARRM is a proposed mission in the Human Exploration program. We are not directly involved but I have offered to help ARRM. They just need to ask!

[–]Universu 1 point 1 month ago

Do you have a suggestion on which asteroid is the best candidate for retrieval?

[–]dslauretta[S] 3 points 1 month ago*

EDIT I like 2006 RH120 – might have migrated in and out of the Earth-Trojan population.

[–][deleted] 1 month ago


[–]dslauretta[S] 1 point 1 month ago

Yes, thanks for the correction

[–]ebeshore 3 points 1 month ago*

The answer here is almost certainly “any one that we can”. The orbit of the asteroid is critical, as it determines the delta-V that must be applied to the system to execute the retrieval. The object will have to be small (<10 meters) and while we find these objects frequently, its hard to get a sufficient number of observations to generate orbits that allow us to accurately predict future positions – critical for targeting a mission.






Photometry of 2006 RH120: an asteroid temporary captured into a geocentric orbit

T. Kwiatkowski1, A. Kryszczyńska1, M. Polińska1, D. A. H. Buckley2, D. O’Donoghue2, P. A. Charles2, L. Crause2, S. Crawford2, Y. Hashimoto2, A. Kniazev2, N. Loaring2, E. Romero Colmenero2, R. Sefako2, M. Still2, and P. Vaisanen2 

1  Astronomical Observatory, Adam Mickiewicz University, Słoneczna 36, 60-286 Poznań, Poland
e-mail: tkastr@amu.edu.pl
2  South African Astronomical Observatory, Observatory Road, Observatory 7925, South Africa

Received 15 September 2008 / Accepted 12 December 2008

Aims. From July 2006 to July 2007 a very small asteroid orbited the Earth within its Hill sphere. We used this opportunity to study its rotation and estimate its diameter and shape.
Methods. Due to its faintness, 2006 RH120 was observed photometrically with the new 10-m SALT telescope at the SAAO (South Africa). We obtained data on four nights: 11, 15, 16, and 17 March 2007 when the solar phase angle remained almost constant at 74°. The observations lasted about an hour each night and the object was exposed for 7-10 s through the “clear” filter.
Results. From the lightcurves obtained on three nights we derived two solutions for a synodical period of rotation: P1 = 1.375 $\pm$ 0.001 min and P2 = 2.750 $\pm$ 0.002 min. The available data are not sufficient to choose between them. The absolute magnitude of the object was found to be H = 29.9 $\pm$ 0.3 mag (with the assumed slope parameter G = 0.25) and its effective diameter D = 2-7   m, depending on the geometric albedo pV (with the most typical near-Earth asteroids albedo pV = 0.18 its diameter would be D = 3.3 $\pm$ 0.4  m). The body has an elongated shape with the a/b ratio greater than 1.4. It probably originates in low-eccentricity Amor or Apollo orbits. There is still a possibility, which needs further investigation, that it is a typical near-Earth asteroid that survived the aerobraking in the Earth’s atmosphere and returned to a heliocentric orbit similar to that of the Earth.

Key words: techniques: photometric — minor planets, asteroids


Artist's impression of NEO asteroids passing Earth ESA SSA

Artist’s impression of asteroids passing Earth

31 January 2014With a mandate from the UN, ESA and other space agencies from around the world are about to establish a high-level group to help coordinate global response should a threatening asteroid ever be found heading towards Earth.

For the first time, national space agencies from North and South America, Europe, Asia and Africa will establish an expert group aimed at getting the world’s space-faring nations on the ‘same page’ when it comes to reacting to asteroid threats.

Its task is to coordinate expertise and capabilities for missions aimed at countering asteroids that might one day strike Earth.

Of the more than 600 000 known asteroids in our Solar System, more than 10 000 are classified as near-Earth objects, or NEOs, because their orbits bring them relatively close to our path.

Asteroid trace over Chelyabinsk, Russia, on 15 February 2013

Asteroid trace over Chelyabinsk, Russia, on 15 February 2013

Dramatic proof that any of these can strike Earth came on 15 February 2013, when an unknown object thought to be 17–20 m in diameter arrived at 66 000 km/h and exploded high above Chelyabinsk, Russia, with 20–30 times the energy of the Hiroshima atomic bomb.

The resulting shock wave caused widespread damage and injuries, making it the largest known natural object to have entered the atmosphere since the 1908 Tunguska event, which destroyed a remote forest area of Siberia.

Coordinating global efforts

The Space Mission Planning and Advisory Group (SMPAG – pronounced ‘same page’) was established by Action Team 14, a technical forum with a mandate from the UN Committee on the Peaceful Uses of Outer Space (UNCOPUOS) to develop a strategy on how to react on a possible asteroid impact threat.

It will coordinate the technological knowhow of agencies to recommend specific efforts related to asteroid threats, including basic research and development, impact mitigation measures and deflection missions.

Control room at ESA's Optical Ground Station

Control room at ESA’s Optical Ground Station, Tenerife

“SMPAG will also develop and refine a set of reference missions that could be individually or cooperatively flown to intercept an asteroid,” says Detlef Koschny, Head of the NEO Segment in ESA’s Space Situational Awareness (SSA) programme office.

“These include precursor missions or test and evaluation missions, which we need to fly to prove technology before a real threat arises.”

The first-ever meeting will be hosted by ESA on 6–7 February at its operations centre in Darmstadt, Germany.

Thirty-plus representatives from 13 agencies, seven government ministries and the UN will share knowledge and the latest research related to impact case studies, and will develop a work plan for the next two years.

“As a first step, the group will study each agency’s organisational and operational capabilities, specific technologies and scientific abilities, and propose options that make best use of who can do what, the best,” says Detlef.

ESA Space Situational Awareness: detecting space hazards

ESA Space Situational Awareness: detecting space hazards

The group will work in close cooperation with another Action Team 14-mandated committee: the International Asteroid Warning Network (IAWN).

Each will study and recommend specific actions to deal with different aspects of the asteroid threat – IAWN to coordinate the global search for threatening NEOs, understand their effects in case of a collision, and interface with disaster preparation and civil response agencies; and SMPAG for the technology and space mission aspects.

Current threats, future scenarios

The critical first step is to spot potential threats in the sky with as much advance warning as possible.

“ESA is already doing a great deal to support the global effort to address the asteroid threat,” says Nicolas Bobrinsky, ESA’s SSA Programme Manager.

The Agency is now developing the capability to integrate Europe’s current NEO tracking assets – as well as new technology such as automated, wide-field-of-view telescopes – into a coordinated and more efficient NEO system that can provide nightly sky surveys and advanced warnings.

Among other recent developments, starting in late 2013, ESA will make use of observing time at the European Southern Observatory in Chile to conduct quick and accurate confirmations of the most hazardous NEOs.

More about NEO activities at ESA