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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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@astropuckett Yes!@astropuckett Actually, we're not including them at this time, but we plan to resume in the (near?) future. On our to-do list...@astropuckett They should be...
1/30
2015
RT ESA_Rosetta Dark, dry & rich in organics – VIRTIS’ verdict on #67P’s surface: http://t.co/Rje8eU9t8m https://t.co/NlOL26mNlp
Retweeted by Minor Planet CenterRT @SPACEdotcom Asteroid Miners May Get Help from Metal-Munching Microbes http://t.co/hsgC2q4jZC https://t.co/YF9dZDZkT2
Retweeted by Minor Planet Center
1/29
2015
.@planet4589 @telescoper @newsthump Har!!!.@lukedones It's on G. Williams's "would be nice-to-do list". No ETA, I'm afraid... @blobranaAsteroid 2015 BF511 discovered. Flyby Feb 17 at 17:57 UT. Dist: 10.74 LD. Size: 24-75 m. http://t.co/0QmU4C1w3kAsteroid 2015 BD511 discovered. Flyby Jan 30 at 00:47 UT. Dist: 4.47 LD. Size: 7-24 m. http://t.co/h3wAxQJdqWAsteroid 2015 BA511 discovered. Flyby Feb 24 at 04:07 UT. Dist: 38.58 LD. Size: 21-65 m. http://t.co/DMnE7jHCXU
1/28
2015
Asteroid 2015 BM510 discovered. Flyby Feb 10 at 20:55 UT. Dist: 13.78 LD. Size: 17-54 m. http://t.co/2DeZJxD9YWAsteroid 2009 CD reobserved. Flyby Jan 27 at 10:19 UT. Dist: 48.96 LD. Size: 52-160 m. http://t.co/Z5CBxFP7Db.@lukedones @blobrana No immediate plans, since all the elements are available in the DB (scroll down to 'Comets'): http://t.co/2OzIc1bH2v.@elakdawalla Thanks for keeping @ABC7 honest!Interview on @KCBSNews about #asteroid flyby postponed until 10:20 PST (13:20 EST). @MinorPlanetCtr
Retweeted by Minor Planet CenterIn 90 mins I'll be chatting on @KCBSNews about the @MinorPlanetCtr and today's asteroid flyby of Earth. Come listen in!
Retweeted by Minor Planet Center
1/26
2015
Asteroid 2015 BX509 discovered. Flyby Feb 5 at 15:22 UT. Dist: 35.58 LD. Size: 47-150 m. http://t.co/uEWTBKfaeu
1/25
2015
There are at least 18 places in the world called #Ceres. 10 are in the US, 1 is in #Antarctica! #CeresFact @NASA_Dawn http://t.co/9WQUmL1s29Asteroid 2015 BJ311 discovered. Flyby Jan 25 at 08:42 UT. Dist: 34.67 LD. Size: 24-75 m. http://t.co/0RenDX8I6b
1/23
2015
Asteroid 2000 BK19 reobserved. Flyby Feb 16 at 21:19 UT. Dist: 40.46 LD. Size: 75-240 m. http://t.co/sNCsBm1fKTAsteroid 2015 BU310 discovered. Flyby Feb 16 at 21:14 UT. Dist: 40.37 LD. Size: 75-240 m. http://t.co/ppcWbCfjZvDwarf Planet #Ceres is named after the Roman goddess of agriculture. It has the same linguistic root as 'cereal'. #CeresFact @NASA_Dawn.@BeckePhysics We're not discounting that possibility! :-D (Cue @BadPhysics refutal).@EdwardDeVega Here's an interactive trajectory plot of the flyby of asteroid (357439) for you to play with: http://t.co/wNwR7hOt7fAsteroid 2015 AK45 discovered. Flyby Jan 26 at 21:11 UT. Dist: 4.73 LD. Size: 10-33 m. http://t.co/y4jkFP5G74.@EdwardDeVega That's asteroid (357439). When an asteroid is numbered it means we know its location REALLY well, so no danger of impact! :-)An unusual view of #67P - #CometWatch 16 January http://t.co/PXGUenI9QS http://t.co/9WpwSrCXxm
Retweeted by Minor Planet Center
1/22
2015
Ceres was inspected by No. 6: http://t.co/swauU0GWRZ #CeresFactCeres was initially named Cerere Ferdinandea by its discoverer (Giuseppe Piazzi) to honour King Ferdinand IV of Naples and Sicily #CeresFactAsteroid 2015 BH92 discovered. Flyby Feb 12 at 08:00 UT. Dist: 28.13 LD. Size: 20-62 m. http://t.co/hKQgSYN8ypAsteroid 2015 BG92 discovered. Flyby Jan 29 at 06:01 UT. Dist: 11.29 LD. Size: 23-71 m. http://t.co/9KGZ7R3CQVAsteroid 2015 BF92 discovered. Flyby Feb 7 at 23:35 UT. Dist: 8.60 LD. Size: 30-94 m. http://t.co/8uYRx46ZBpAsteroid 2015 BE92 discovered. Flyby Jan 29 at 01:42 UT. Dist: 3.24 LD. Size: 5-19 m. http://t.co/e0jLHQ1u0t.@Pillownaut Let me get my naming pad out! Wait, what kind of drinks are we talking about here...? @planet4589 @RonBaalke
1/21
2015
Asteroid 2015 BV4 discovered. Flyby Feb 14 at 08:23 UT. Dist: 25.57 LD. Size: 38-120 m. http://t.co/JPqZ8Dvlxj.@peter_mount Maybe we can keep the ball rolling with your help and @NASA_Dawn's too.@peter_mount We just did! Used #CeresFact in singular to save a character :-)Ceres was "lost" behind the Sun few months after discovery. Gauss developed orbit calc. method just so astronomers could find it #CeresFact.@peter_mount Maybe we should start a #CeresFacts tweetathon :-)What's special about #Ceres: 1) 1st asteroid discovered (1801/1/1); 2) It's spherical and prob. differentiated; 3) 1/3 mass of Asteroid BeltAsteroid 2015 BP4 discovered. Flyby Feb 11 at 03:19 UT. Dist: 40.82 LD. Size: 36-110 m. http://t.co/rWzLsLt07nWhat does Dwarf Planet Ceres look like from 1 Lunar Distance away? @NASA_Dawn shows us: http://t.co/Pg2kOoZujc
1/20
2015
Asteroid 2015 BK4 discovered. Flyby Jan 25 at 01:21 UT. Dist: 5.32 LD. Size: 19-59 m. http://t.co/hQwPlYdcr8Asteroid 2015 BA4 discovered. Flyby Jan 19 at 17:43 UT. Dist: 28.05 LD. Size: 17-54 m. http://t.co/7nqRfBe59c
1/19
2015
Asteroid 2015 BP discovered. Flyby Jan 20 at 04:16 UT. Dist: 1.82 LD. Size: 4-14 m. http://t.co/g0YKgxNmIXAsteroid 2015 BQ discovered. Flyby Jan 27 at 21:44 UT. Dist: 27.96 LD. Size: 36-110 m. http://t.co/xpDeXh5022Asteroid 2015 BM discovered. Flyby Jan 27 at 13:12 UT. Dist: 34.21 LD. Size: 14-43 m. http://t.co/Ix1AXabGtnAsteroid 2015 BL discovered. Flyby Feb 3 at 14:33 UT. Dist: 45.05 LD. Size: 34-110 m. http://t.co/ZwQ9k9gOGg
1/18
2015
Asteroid 2015 BF discovered. Flyby Jan 25 at 10:31 UT. Dist: 9.32 LD. Size: 9-28 m. http://t.co/oDbp8u0XZsAsteroid 2015 BE discovered. Flyby Jan 30 at 08:42 UT. Dist: 32.38 LD. Size: 21-65 m. http://t.co/WNJgTOAXBeAsteroid 2015 BD discovered. Flyby Jan 21 at 05:11 UT. Dist: 19.32 LD. Size: 34-110 m. http://t.co/3qSdPnIeh8Asteroid 2015 AK45 discovered. Flyby Jan 26 at 20:33 UT. Dist: 4.75 LD. Size: 10-33 m. http://t.co/T582BVCkGQAsteroid 2015 BC discovered. Flyby Jan 20 at 03:48 UT. Dist: 1.64 LD. Size: 28-90 m. http://t.co/uSrUGrvydlAsteroid 2015 BB discovered. Flyby Jan 19 at 01:19 UT. Dist: 13.45 LD. Size: 20-62 m. http://t.co/YC4PiYK1JP
1/17
2015
Asteroid 2015 AP44 discovered. Flyby Jan 24 at 12:37 UT. Dist: 11.89 LD. Size: 11-34 m. http://t.co/3YNRjPbUe3Asteroid 2015 AN44 discovered. Flyby Jan 16 at 04:59 UT. Dist: 17.49 LD. Size: 17-54 m. http://t.co/35CfwjmxunAsteroid 2015 AH44 discovered. Flyby Jan 14 at 23:27 UT. Dist: 7.83 LD. Size: 24-75 m. http://t.co/fmKU65BMw1Asteroid 2015 AA44 discovered. Flyby Feb 14 at 00:20 UT. Dist: 19.18 LD. Size: 33-100 m. http://t.co/FFDYEjzMReAsteroid 2015 AZ43 discovered. Flyby Feb 15 at 12:42 UT. Dist: 7.68 LD. Size: 39-120 m. http://t.co/cr0cnKqxoQ
1/16
2015
Asteroid 2015 AQ43 discovered. Flyby Jan 14 at 13:19 UT. Dist: 0.41 LD (0.40 LD from Earth surface). Size: 3-12 m. http://t.co/aK2BmduPpIAsteroid 2007 EC reobserved. Flyby Jan 15 at 19:36 UT. Dist: 10.68 LD. Size: 68-220 m. http://t.co/Pi1b5czL6TWhat came first, the planet or the asteroid? Jay Melosh takes a stab at answering that question (via @physorg_com) http://t.co/kNAvuJvItA
1/15
2015
Six months from today - on July 14 - @NASANewHorizons makes its closest approach to Pluto! #cantwait #PlutoLives http://t.co/wNvcm2cG5G
Retweeted by Minor Planet Center"Asteroid to Fly By Earth Safely on January 26" (via @AsteroidWatch) http://t.co/c0NEbSMFXM
1/14
2015
There aren't any tours of the Harvard-Smithsonian, but @arielwaldman could always visit us :-) @AsteroidEnergy @atduskgreg @michelle_borkinAsteroid 2015 AK1 discovered. Flyby Jan 18 at 23:18 UT. Dist: 5.56 LD. Size: 23-71 m. http://t.co/FlXkxjQJaj
1/12
2015
Mike Brown (@plutokiller) reminisces about the good ol' days of Kuiper Belt discoveries, and discusses the future: http://t.co/ZN7zK5J16f
1/11
2015
Asteroid 2004 XG reobserved. Flyby Jan 11 at 09:32 UT. Dist: 40.01 LD. Size: 28-90 m. http://t.co/j46BfNVARU
1/10
2015
Dr Tim Spahr is stepping down as Minor Planet Center director: http://t.co/H8MiZ2dL8c.@EZR_news You left the best for last? :-) @RonaldElzenga @NOS @lowflyingrocks @AsteroidWatch @AsteroidMisses
1/6
2015
We know it's day 2 of 2015, but please be wished a Happy NEO Year from the MPC!
1/2
2014
Asteroid 2014 YE42 discovered. Flyby Jan 3 at 15:00 UT. Dist: 4.28 LD. Size: 41-130 m. http://t.co/dEQUBtbPcB4 billion-year-old #meteorite reveals climate of ancient #Mars http://t.co/UuT9ToerEv #astro STEM http://t.co/CGx5COGU9R
Retweeted by Minor Planet CenterAsteroids Don’t Break Up Like You Think They Do: Study http://t.co/x6nQlzQjjv http://t.co/oU4KRYpqAS
Retweeted by Minor Planet CenterAsteroid 2014 YC42 discovered. Flyby Dec 30 at 07:42 UT. Dist: 4.18 LD. Size: 21-65 m. http://t.co/ZMJhHX2WCkAsteroid 2014 YB42 discovered. Flyby Jan 4 at 05:33 UT. Dist: 16.54 LD. Size: 16-49 m. http://t.co/cvdYaUggPg
12/31
2014
Asteroid 2014 YU41 discovered. Flyby Jan 4 at 18:58 UT. Dist: 39.20 LD. Size: 33-100 m. http://t.co/VMTCg59vmL.@RichardFPenn Was thinking more along the lines of differentiated core, mantle and crust. @Rand_Simberg @IAU_org @CeresToday@RichardFPenn But might #comets just be asteroids with lots of volatiles mixed in? Maybe! @Rand_Simberg @IAU_org @CeresToday.@RichardFPenn True, but we don't expect asteroids and comets to have layers, like Earth does. @Rand_Simberg @IAU_org @CeresToday.@RichardFPenn Yep; any object showing a coma has historically been classified as a #comet. @Rand_Simberg @IAU_org @CeresToday.@Rand_Simberg Composition is often (not always!) different to asteroids though. But there is overlap! @RichardFPenn @IAU_org @CeresToday.@RichardFPenn Some of us do prefer "#Asteroid". And yes, only one Main Belt asteroid qualifies as a Dwarf Planet :-) @IAU_org @CeresToday.@RichardFPenn Asteroid and Minor Planet are same thing. Can seem similar to Comets, but other times quite distinct. @IAU_org @CeresToday
12/30
2014
Asteroid 2014 YU34 discovered. Flyby Dec 29 at 08:27 UT. Dist: 8.21 LD. Size: 26-82 m. http://t.co/rzEtYH10VKAsteroid 2014 YT34 discovered. Flyby Jan 11 at 23:50 UT. Dist: 14.21 LD. Size: 24-75 m. http://t.co/UOJEHsYMM3Asteroid 2014 YQ34 discovered. Flyby Jan 3 at 13:28 UT. Dist: 30.82 LD. Size: 30-94 m. http://t.co/vuJQa6lmXGSame goes for Near Earth #Asteroids! ;-) RT @Netflix: "There is but one rule, hunt or be hunted. --House Of Cards" http://t.co/EbASnu0UHvAsteroid 2014 YP34 discovered. Flyby Jan 4 at 10:01 UT. Dist: 8.75 LD. Size: 13-41 m. http://t.co/9Bslm1iTWvThis area saw some serious action about 350 million years ago! Gweni-Fada meteorite crater in #Chad. http://t.co/a79fDFhSfy
Retweeted by Minor Planet CenterWe should hunt for viruses in space - they outnumber cellular life forms on Earth 10 to 1 http://t.co/5OgFUIAd7g http://t.co/4p3SsfqxRv
Retweeted by Minor Planet CenterAsteroid 2014 YT15 discovered. Flyby Dec 29 at 09:54 UT. Dist: 3.80 LD. Size: 6-22 m. http://t.co/SiigCSeoINAsteroid 2014 YR15 discovered. Flyby Jan 15 at 08:38 UT. Dist: 21.80 LD. Size: 99-310 m. http://t.co/n4pdtswbc6Asteroid 2014 YE15 discovered. Flyby Dec 30 at 09:52 UT. Dist: 2.93 LD. Size: 4-13 m. http://t.co/z8FKjtkMkTAsteroid 2014 YD15 discovered. Flyby Dec 31 at 09:43 UT. Dist: 1.60 LD. Size: 8-26 m. http://t.co/KAEk7ljz8d
12/29
2014
Asteroid 2014 YA15 discovered. Flyby Dec 30 at 17:35 UT. Dist: 16.61 LD. Size: 28-90 m. http://t.co/Vwa8ehXKBE
12/28
2014
Asteroid 2014 YW14 discovered. Flyby Dec 28 at 14:35 UT. Dist: 1.08 LD. Size: 5-19 m. http://t.co/N4lsHBgWpyAsteroid 2014 YR14 discovered. Flyby Dec 26 at 09:51 UT. Dist: 0.91 LD (0.89 LD from Earth surface). Size: 11-34 m. http://t.co/CMYzET2MxW
12/27
2014
Asteroid 2014 YV9 discovered. Flyby Dec 29 at 04:17 UT. Dist: 4.86 LD. Size: 9-28 m. http://t.co/ras6ACtdsi
12/25
2014
The MPC wishes everyone an impact-free holiday season!
12/24
2014
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