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243899 (2001 DA12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2243899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09956877853601556 4.2591e-08  
a 3.232547777445009 3.0811e-08 au
q 2.910686943685498 1.3359e-07 au
i 6.701862548552918 4.8532e-06 deg
node 127.8479266296295 4.6789e-05 deg
peri 359.1585377695885 5.5656e-05 deg
M 141.4524183248585 2.8821e-05 deg
tp 2458166.389224642328
(2018-Feb-16.88922464)
0.00016919 TDB
period 2122.833124274633
5.81
3.035e-05
8.309e-08
d
yr
n .169584691271016 2.4246e-09 deg/d
Q 3.55440861120452 3.3879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      8892 days (24.34 yr)  
   first obs. used      1995-01-28  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:26:10  

Additional Information
 Earth MOID = 1.92588 au 
 Jupiter MOID = 1.49646 au 
 T_jup = 3.168 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO437138  
diameter diameter 5.205 km 3.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243899 (2001 DA12)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1987-Jul-31 15:05 00:02 Jupiter 1.77152112659598 1.77152015006591 1.77152210312655 2.77698350351434 2.59910977047064 2447008.128495307 1.51829038543281 85.6158147990973 13.043661474014 70.9888878959551 1900398.08786195 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
1998-Sep-09 18:16 < 00:01 Jupiter 1.58627174666283 1.58627102583172 1.58627246749439 2.22570902102395 1.97125325528955 2451066.260972519 0.967393988568153 83.7800287947827 18.375786616665 74.865090253891 1767638.27835116 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2009-Nov-23 16:25 < 00:01 Jupiter 1.49867728004619 1.49867675653241 1.49867780356031 2.08617351058214 1.7949261252907 2455159.184344133 0.445085319455049 79.2922691937003 32.1719879435919 72.9459506455137 1748835.11072742 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2021-Feb-23 05:46 < 00:01 Jupiter 1.52601255670571 1.52601207201383 1.52601304139741 2.13012376145297 1.85130092663945 2459268.740336945 0.483478068466532 82.8907503281054 29.2300761431196 80.0720630970135 1943563.34900834 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2032-May-14 12:10 00:01 Jupiter 1.66049119135646 1.66049042036572 1.66049196234702 2.32075818638014 2.08942848217829 2463367.006635565 1.02411144464915 80.5402674954488 28.8721190109108 89.7148339429792 2059338.87743102 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2043-Jul-10 00:45 00:02 Jupiter 1.87871043910629 1.87870926543809 1.87871161277428 2.76151808784577 2.59312087133084 2467440.531351327 1.58598299029085 72.1814773777069 42.6255518236727 78.6782495021212 1693579.97075089 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2154-Jul-08 09:49 00:05 Jupiter 1.92324073230822 1.92323805769588 1.92324340692088 3.38857376662741 3.25601040924332 2507980.909261719 4.7443943555192 146.712287567296 30.345737550086 48.6832832677179 1211972.77035949 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2165-Jul-29 13:14 00:05 Jupiter 1.69750854034607 1.69750610677085 1.69751097392901 2.38170624510994 2.16207423238264 2512020.051404473 4.86166174382057 243.52489788819 6.17118725008875 78.9608798121319 1575480.80439571 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2176-Sep-17 14:19 00:05 Jupiter 1.53872036156057 1.53871887585523 1.53872184728691 1.98102602473426 1.68033331736927 2516088.096657791 4.70676888392209 339.51620223444 38.7910531437191 83.2122166434734 1608810.337764 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2187-Dec-09 03:41 00:05 Jupiter 1.48103989380841 1.48103939165233 1.4810403959644 1.98654429776068 1.67407792825674 2520187.653353302 4.81680980670101 347.668049779953 47.0438113703173 84.6501295966694 1673247.18821401 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
2199-Mar-09 04:37 00:06 Jupiter 1.54058352990578 1.54058158397516 1.54058547585049 2.17410392844039 1.90449870323555 2524295.692472326 5.53344753124816 290.707024183991 35.7690589058212 -82.7916098139636 1970242.08579556 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 09:26:21 2020-Feb-25 09:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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