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212314 (2005 QU42)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212314
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1473364552684265 6.3284e-08  
a 3.219926934177879 3.6671e-08 au
q 2.745514313472778 1.9999e-07 au
i 5.217387250887326 7.5727e-06 deg
node 18.40436870204227 5.464e-05 deg
peri 315.1853473667568 5.8975e-05 deg
M 206.8648859588683 2.5633e-05 deg
tp 2459898.217595901327
(2022-Nov-14.71759590)		 0.00016025 TDB
period 2110.412994094044
5.78		 3.6052e-05
9.87e-08		 d
yr
n .1705827252805276 2.9141e-09 deg/d
Q 3.69433955488298 4.2074e-08 au
   Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:01:50  

Additional Information
 Earth MOID = 1.73885 au 
 Jupiter MOID = 1.69918 au 
 T_jup = 3.166 
[ 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 14.97   n/a E2020-QN2  

212314 (2005 QU42)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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
1909-Jan-26 00:21 00:11 Jupiter 1.91321248235011 1.91320899205999 1.91321597265958 2.86366021026618 2.70464498290323 2418332.514252643 11.1123885976141 373.492442994437 32.4503043985656 -72.7625009789185 1537914.61555136 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1920-Jul-28 18:45 00:09 Jupiter 1.84477667901901 1.84477417822778 1.84477917981894 2.59747201220739 2.4142427620289 2422534.280960517 9.2033859010077 265.158299242572 24.3695661233285 -76.5736907285971 1427431.70206183 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1932-Feb-09 09:50 00:07 Jupiter 1.79289305668336 1.79289140447319 1.7928947088971 2.3982407080439 2.19241687320656 2426746.909971593 7.43018021597421 186.115416165644 15.8519710875174 -80.9445566594681 1446526.49667973 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1943-Aug-30 05:32 00:06 Jupiter 1.7626988113449 1.76269781932053 1.76269980337097 2.27384216568754 2.05165940161087 2430966.730728586 5.84799116523088 142.157649574441 11.4601813809358 -83.0268120392458 1774737.75045168 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1955-Mar-22 01:51 00:05 Jupiter 1.74676043156459 1.74675981155138 1.74676105157851 2.21126398960886 1.97986549648124 2435188.577071022 4.49880985317274 118.318297223728 9.46046934808866 -81.1250570049368 2333360.51198668 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1966-Oct-05 02:09 00:03 Jupiter 1.74432862920811 1.74432806854857 1.74432918986764 2.22019141398665 1.98949159858323 2439403.589404704 3.37368419642887 100.287676280275 6.54161437314355 -77.3937064085218 2213117.69693087 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1978-Apr-07 02:54 00:02 Jupiter 1.75680233423564 1.75680169067743 1.75680297779355 2.33098485212583 2.11405128643953 2443605.620567176 2.43072335182908 82.6532982829854 6.18323837546593 -75.6842016393264 1699891.37435354 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1989-Sep-17 09:26 00:02 Jupiter 1.78753240572139 1.78753169392964 1.78753311751293 2.59281995550789 2.40312608957666 2447786.892749051 1.6162421758268 68.7927012725184 10.202962479966 -76.6993017498405 1539450.70541239 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2001-Feb-05 06:52 < 00:01 Jupiter 1.8455485610545 1.84554783648948 1.84554928561941 3.05467974983169 2.90054472478857 2451945.785973811 0.891326406073871 60.6806864546547 18.7048247719634 -75.7478496701559 1764060.3043399 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2012-Jun-04 02:56 < 00:01 Jupiter 1.92608264731156 1.92608194273576 1.92608335188736 3.7000749409972 3.57924933965006 2456082.622216967 0.306789193478615 53.6862880290266 25.1109481254451 -74.1864600103774 2135232.11427344 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2159-Mar-22 22:41 00:06 Jupiter 1.95301854272991 1.95301687673595 1.95302020872797 3.03074421703815 2.88409642252162 2509699.444885300 5.80016332962822 196.937811939423 37.1349923331131 -75.0213975630916 1849572.47720854 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2170-Sep-24 05:40 00:06 Jupiter 1.89185870750043 1.89185705073006 1.8918603642792 2.83760657225461 2.67517691941658 2513902.736367632 6.47666305980033 253.146782587405 30.9127921890207 -79.0172140066633 1896899.65666982 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2182-Apr-09 17:48 00:07 Jupiter 1.85166726116867 1.85166572148989 1.85166880086019 2.70590132559844 2.53121047583047 2518118.241578735 7.32610661010878 294.301244116692 24.744714737341 -82.1013321085017 1920253.31008734 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2193-Nov-02 12:20 00:08 Jupiter 1.82428112855891 1.82427980127803 1.82428245585432 2.61171684476506 2.4274379998154 2522343.013993080 8.43094464210064 310.25321176338 19.7081509814141 -84.7482246468417 1952939.29638846 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01

Alternate Designations
 2005 QU42 = 1999 RH254 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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