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Managing worldwide observations of asteroids and comets, calculating their orbits and if they pose a threat to planet Earth! Terms: http://t.co/9YgOuzYNOy

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Join Twitter 4/27/11

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Asteroid 2013 YG flyby in ~ 30 mins (Jul 22 at 22:47 UT). Dist: 49.67 LD. Size: 16-49 m. http://t.co/KbFpscjNVp
7/22
2014
.@spaceweatherman #SolarMaxFailCuriosity Finds Large Iron Meteorite on Mars. Why are irons more numerous than stony ones on Mars? http://t.co/cqpovjXVsY
Retweeted by Minor Planet Center" #Asteroid Vesta to reshape theories of planet formation" & I can't wait to see what @NASA_Dawn will find at Ceres! http://t.co/9DJJwzslsa
Retweeted by Minor Planet CenterAsteroid 2014 MJ6 flyby in ~ 30 mins (Jul 18 at 08:52 UT). Dist: 34.30 LD. Size: 94-300 m. http://t.co/a7crgJVTI2
7/18
2014
.@BadPhysics @SurreyNanoSys It's probably IR bright. In the Radio, I would imagine it plays this: http://t.co/8Fza10BHDxTo put in perspective: the darkest asteroids known are 50-100 times *brighter* than #Vantablack material created by @SurreyNanoSys.@SurreyNanoSys creates material with albedo=0.0004. Could be applied to inside 'scope tubes or for stealth asteroids http://t.co/D4bdFZK8kkBaptistina Family released without charges after no link found to death of dinosaurs (sez @moonyguy #Chelyabinsk): http://t.co/97FEHr6RMIAsteroid 2011 PU1 flyby in ~ 30 mins (Jul 17 at 10:03 UT). Dist: 8.25 LD. Size: 19-59 m. http://t.co/FMyf8MLP6L
7/17
2014
Asteroid 2014 MV41 flyby in ~ 30 mins (Jul 17 at 03:37 UT). Dist: 10.58 LD. Size: 28-90 m. http://t.co/2ATk847ZJ9Asteroid 2013 AB4 flyby in ~ 30 mins (Jul 16 at 12:35 UT). Dist: 33.92 LD. Size: 6-21 m. http://t.co/rOODsT9cDyAsteroid 2013 CM35 flyby in ~ 30 mins (Jul 16 at 08:29 UT). Dist: 18.58 LD. Size: 41-130 m. http://t.co/dxXhfpjE1X
7/16
2014
Asteroid 2014 NB3 flyby in ~ 30 mins (Jul 13 at 09:39 UT). Dist: 37.68 LD. Size: 24-75 m. http://t.co/9fcbvGU2i4Asteroid 2014 MS5 flyby in ~ 30 mins (Jul 13 at 06:18 UT). Dist: 17.47 LD. Size: 54-170 m. http://t.co/ECFui7yjMbAsteroid 2011 MF flyby in ~ 30 mins (Jul 13 at 06:00 UT). Dist: 45.20 LD. Size: 78-250 m. http://t.co/D8qEeYBoMb
7/13
2014
Asteroid 2014 LX21 flyby in ~ 30 mins (Jul 12 at 13:30 UT). Dist: 26.09 LD. Size: 38-120 m. http://t.co/AcfDRt2CQu
7/12
2014
Asteroid 2014 NG3 flyby in ~ 30 mins (Jul 11 at 22:24 UT). Dist: 23.12 LD. Size: 27-86 m. http://t.co/ZY1t4KDZ7b.@asrivkin @lukedones Ganymed: "I'm returning to the Main Belt. NEO space was fun, but I have unfinished business in the Belt."Asteroid 2001 RV17 flyby in ~ 30 mins (Jul 11 at 13:22 UT). Dist: 44.61 LD. Size: 160-490 m. http://t.co/Z9kXH8RR0n
7/11
2014
Asteroid 2014 ND52 discovered. Flyby Jul 11 at 11:10 UT. Dist: 37.93 LD. Size: 31-99 m. http://t.co/ZnoRojriCrAsteroid 2013 AG69 flyby in ~ 30 mins (Jul 10 at 07:28 UT). Dist: 9.14 LD. Size: 6-21 m. http://t.co/cxP8NPAkdZ
7/10
2014
.@NASA and @AsteroidGC Announce Latest Progress, Upcoming Milestones in Hunt for Asteroids. (MPC in there somewhere!) http://t.co/s1OZTxyF45Asteroid 2014 MF6 flyby in ~ 30 mins (Jul 9 at 19:38 UT). Dist: 9.08 LD. Size: 130-410 m. http://t.co/L5AfE37U3kAccording to http://t.co/RDgDP8sPYr - summarized in http://t.co/XvqNnbvawG - Canada's NEOSSat (asteroid) space telescope is one big failure.
Retweeted by Minor Planet Center
7/9
2014
Asteroid 2014 MF19 flyby in ~ 30 mins (Jul 8 at 03:05 UT). Dist: 38.89 LD. Size: 33-100 m. http://t.co/4ngACmZiS9
7/7
2014
Asteroid 2014 KF39 flyby in ~ 30 mins (Jul 6 at 01:45 UT). Dist: 28.31 LD. Size: 19-59 m. http://t.co/DWBbrprrA9Asteroid 2014 NG3 discovered. Flyby Jul 11 at 22:17 UT. Dist: 23.10 LD. Size: 27-86 m. http://t.co/hH9EnYj9HX@brianwolven Let's hope he does that before coming in to work. @JLGalacheAsteroid 2014 NE3 discovered. Flyby Jul 30 at 04:16 UT. Dist: 42.27 LD. Size: 180-570 m. http://t.co/iGyTPfhnZOAsteroid 2014 NB3 discovered. Flyby Jul 13 at 09:39 UT. Dist: 37.68 LD. Size: 24-75 m. http://t.co/6kDnaGCAbVAsteroid 2014 MJ55 discovered. Flyby Jul 23 at 12:28 UT. Dist: 29.19 LD. Size: 36-110 m. http://t.co/MKhD5o8wvGAsteroid 2014 MG55 discovered. Flyby Jul 25 at 12:37 UT. Dist: 25.70 LD. Size: 30-94 m. http://t.co/LMxR1njthx@MinorPlanetCtr see Ceres and Vesta conjunction live, online! http://t.co/CZe3gOHdW9
Retweeted by Minor Planet CenterAsteroid 2014 MO41 flyby in ~ 30 mins (Jul 5 at 09:27 UT). Dist: 27.81 LD. Size: 43-140 m. http://t.co/K9SCTbArLq
7/5
2014
@NASA_Dawn You're welcome! Bill is in the mail ;-) @astrokiwi @Josep_Trigo @wtfastro @FitzsimmonsAlan @asrivkin.@asrivkin: If Ceres's family made of icy fragments, not rocky, then they could disappear. Need more study as usual! #Yabadabadoo #ACM2014.@asrivkin: Ceres should have got hit by large objects to make family with impact fragments, and **no way for them to disappear**. #ACM2014.@asrivkin: Should Ceres have a family? Yep. But does it...? #ACM2014 http://t.co/Atu7Wv7eIKAsteroid 2014 MR41 flyby in ~ 30 mins (Jul 4 at 07:41 UT). Dist: 37.77 LD. Size: 54-170 m. http://t.co/qWCWAFOkPG
7/4
2014
.@Spacefest Clarification: MPC announces, but does not assign, names; the IAU does that. Congrats to @WISE_Mission postdocs! @AmyMainzer
7/3
2014
At the #ACM2014 banquet. http://t.co/3jsos0S1iN.@kat_volk: ~19,000 Plutinos expected in population, based on discovered objects so far. #ACM2014.@kat_volk's: Crazy about resonances in outer Solar System; nailing them down with @OSSOSurvey data, already beating old surveys. #ACM2014.@kat_volk: Love these outer Solar System plots. #ACM2014 http://t.co/pWG3ULCBXAReturning the favour and will be tweeting @kat_volk's talk on resonant transneptunian objects in @OSSOSurvey #ACM2014@erinleeryan Did you mean @kat_volk? :-)Asteroid 2014 MJ26 flyby in ~ 30 mins (Jul 2 at 07:08 UT). Dist: 9.69 LD. Size: 21-65 m. http://t.co/yHGhyK7oaG
7/2
2014
Asteroid 2007 YQ56 flyby in ~ 30 mins (Jul 2 at 04:09 UT). Dist: 47.72 LD. Size: 200-620 m. http://t.co/7zTUBBeJtBAsteroid 2014 MV41 discovered. Flyby Jul 17 at 03:44 UT. Dist: 10.69 LD. Size: 30-94 m. http://t.co/mFVg4BtE2GAsteroid 2014 MR41 discovered. Flyby Jul 4 at 07:39 UT. Dist: 37.64 LD. Size: 54-170 m. http://t.co/SINTvrpdvzAsteroid (177049) flyby in ~ 30 mins (Jul 1 at 21:52 UT). Dist: 37.61 LD. Size: 220-680 m. http://t.co/u8uQVklDJEAsteroid 2011 UZ255 flyby in ~ 30 mins (Jul 1 at 20:15 UT). Dist: 25.86 LD. Size: 43-140 m. http://t.co/7H0Y2yVgQAAsteroid 2014 MO41 discovered. Flyby Jul 5 at 09:27 UT. Dist: 27.81 LD. Size: 43-140 m. http://t.co/XHLaKqB8FX@Blackprojects @ArmaghPlanet Taxes?T. Grav: Happy to work in big project because he gets great artwork for his talks. #ACM2014 http://t.co/2NXMy06t2NC. Nugent: Ends talk with Infra Red photo of NEOWISE team. #ACM2014C. Nugent: 2014 HQ124 discovered by @WISE_Mission in June and not visible again until 2037. #ACM2014C. Nugent: As you probably remember from physics class, thermally emitted light is proportional to T^4. Sure we do! #ACM2014 @NasaNEOCamC. Nugent of @NasaNEOCam poses big questions about #asteroid surfaces. Addresses through thermal modelling. #ACM2014 http://t.co/ZVqS0xq1ppC. Chapman shows plots with matchsticks overlaid on them. If he can do that to your cratering plot, he's suspicious. #ACM2014C. Chapman: Counting craters, it ain't as easy as it sounds! What exactly *is* a crater, anyway? Danger Will Robinson http://t.co/T2ZRHm53glMinorPlanetCtr: F. DeMeo: Most current taxonomic type distribution of #asteroids in the Main Belt. #ACM2014 http://t.co/mxLEmSJ2sSHaghighipour: Tisserand parameter cannot sharply divide orbits between asteroidal & cometary. How does this work for MB comets? #ACM2014
Retweeted by Minor Planet CenterExcellent pun: RT @KletObservatory: . @specolations gave a bit speculative argmts Vesta NOT protoplanet #ACM2014 http://t.co/OsdzNVIswzMarchi: things get messier on the older Vesta terrains. And they don't match the current main belt. #ACM2014
Retweeted by Minor Planet Center@toktokalweer1ei Just one of the problems with the theory.#ACM2014 Group Photo will be TODAY during the second break in the afternoon, at 16.30, in the poster area. Be there or you weren't here!@asrivkin It's the elephant in the room...Russell: There may have been an atmosphere and running water on Vesta. (Mind=blown) #ACM2014Russell: Vesta is not a uniform slab of rock: this is something that was struggling to become a planet. #ACM2014
Retweeted by Minor Planet CenterDAWN MISSION IN ROUTE TO UNKNOWN CERES: Chris Russell explains at #ACM2014 Dawn results on Vesta @ next steps to visit the water-rich Ceres!
Retweeted by Minor Planet CenterMorbidelli: in first few hundred Ma, the asteroid belt suffered as much collisional evolution as in the "dead boring" last 4 Ga. #ACM2014
Retweeted by Minor Planet CenterMorby: 1/100 original asteroids lost during the grand tack (very fast!). 1/2 lost at planet crossing #ACM2014
Retweeted by Minor Planet Center...the inward migration of Jupiter+Saturn clears the asteroid belt area. Grown Saturn's mass makes Jupiter+Saturn change tack... #ACM2014
Retweeted by Minor Planet CenterPacked auditorium at #ACM2014 to see A. Morbidelli's talk: "Dynamical Evolution of the #Asteroid Belt." http://t.co/Z8e3fhV5LX
7/1
2014
Stephen Gwyn described an impressive precovery search engine - observers can easily search through millions of archival images. #ACM2014
Retweeted by Minor Planet Center.@laurakirstyWard Not even close :-)Asteroid 2014 MV18 flyby in ~ 30 mins (Jun 30 at 15:57 UT). Dist: 7.17 LD. Size: 38-120 m. http://t.co/GUyZrl4hYn
6/30
2014
.@NewThor Those are not decisions *we* make. Still need HUGE camera, even from Earth orbit..@titipacheco17 The source of this story is...The Onion! So no :-) http://t.co/bJCTsXjrQY.@NewThor You have to get very close to the asteroid to take a photo that shows anything more than a point of light.Asteroid 2013 XM24 flyby in ~ 30 mins (Jun 29 at 06:57 UT). Dist: 44.01 LD. Size: 300-940 m. http://t.co/r23gk7Dpqk
6/29
2014
Asteroid 2014 MJ26 discovered. Flyby Jul 2 at 07:08 UT. Dist: 9.69 LD. Size: 21-65 m. http://t.co/kueP2fLLeVAsteroid 2014 MF19 discovered. Flyby Jul 8 at 03:05 UT. Dist: 38.95 LD. Size: 33-100 m. http://t.co/WrggTpF6xp
6/28
2014
Asteroid 1994 CJ1 flyby in ~ 30 mins (Jun 28 at 02:18 UT). Dist: 35.29 LD. Size: 99-310 m. http://t.co/xKdbdRRnwWAsteroid 2014 MV18 discovered. Flyby Jun 30 at 15:56 UT. Dist: 7.17 LD. Size: 36-110 m. http://t.co/hSb4VXvfzs@asrivkin @StarzanPlanets @sondy Is this the whole #DPS2013 vs #DPS13 vs #DPS576th debacle all over again? Why not stick with #ACM2014?.@sondy I iz computing orbitz. I iz computing orbitz. I iz computing orbitz. I iz computing orbitz. I iz computing orbitz. I iz computing....@JLGalache @tb303_acidbox In case anyone's still following this convo: What @Sondy said! 0.7g/cc is def. this pic: http://t.co/y1fxdyxXL3Asteroid 2014 MG6 flyby in ~ 30 mins (Jun 27 at 14:41 UT). Dist: 9.50 LD. Size: 11-34 m. http://t.co/2YuRozUM2KAsteroid 2014 ME6 flyby in ~ 30 mins (Jun 27 at 09:28 UT). Dist: 8.83 LD. Size: 14-45 m. http://t.co/HQ8Srvcvr9
6/27
2014
.@tb303_acidbox @sondy @JLGalache OK, here's more accurate image with 0.7g/cc density (prev. used density of ~1g/cc): http://t.co/u781Ibc7oZ.@tb303_acidbox Indeed we are! Current estimates of 1998 QE2's density are just below 1g/cc, so a bit less than water. @sondy @JLGalache@sondy ...who's not on Twitter... :-\@DJSnM Only way to finish, my son..@AllportReport @davidadkins1 Yep, issue because the amount of propellent you have determines how much mass you can tow back to Moon orbit.Asteroid 2014 MY17 discovered. Flyby Jun 26 at 03:26 UT. Dist: 35.10 LD. Size: 71-230 m. http://t.co/LqGKwew1sR@DJSnM So how's that NEO discovery animation coming along...? #JustAsking #NoPressureRT @sondy: .@JLGalache asteroid 1998 QE2 and moon rendering showing their densities with cruise ships for scale. http://t.co/KwkULLIOHj
6/26
2014
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