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392831 (2012 TJ308)
Classification: Main-belt Asteroid          SPK-ID: 2392831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750954237152639 6.4708e-08  
a 2.79897522282977 6.0035e-08 au
q 2.308887470219867 1.5538e-07 au
i 10.35125451159526 6.4142e-06 deg
node 282.2268960835406 5.6212e-05 deg
peri 190.9157849380549 6.6787e-05 deg
M 212.6830180388599 4.4356e-05 deg
tp 2459900.418253977403
(2022-Nov-16.91825398)
0.00022672 TDB
period 1710.397322002775
4.68
5.503e-05
1.507e-07
d
yr
n .2104774109319004 6.7718e-09 deg/d
Q 3.289062975439674 7.0547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4280 days (11.72 yr)  
   first obs. used      2007-09-18  
   last obs. used      2019-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61396  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:59  

Additional Information
 Earth MOID = 1.32625 au 
 Jupiter MOID = 1.85377 au 
 T_jup = 3.280 
[ 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 16.25   n/a MPCxxxxx  

392831 (2012 TJ308)          Discovered 2009-Jan-20 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ 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
1974-Jun-04 04:34 00:04 Jupiter 1.99744404377731 1.99744131327946 1.9974467744608 2.7630068742268 2.60501451330208 2442202.690563401 4.19507213159769 1065.18922177436 44.4662242689218 83.4129963634057 1524225.1710482 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:32:00 2021-Apr-14 11:32
1997-Jun-16 03:38 00:02 Jupiter 1.87517533281038 1.87517411476668 1.87517655086026 3.03729573975832 2.88474595250277 2450615.651410462 1.82054976987295 336.917095560773 48.1658281238083 83.5469270773912 1899545.83235689 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:32:00 2021-Apr-14 11:32
2020-Jul-16 03:32 < 00:01 Jupiter 1.87380871471558 1.87380796138965 1.87380946804342 3.30103793599343 3.16113688040181 2459046.647568730 0.458497685206414 233.973192255313 26.7940597599459 85.2189396676966 1917759.4212565 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:32:00 2021-Apr-14 11:32
2128-Jun-16 01:57 00:09 Jupiter 1.94224070172649 1.94223771502781 1.94224368897498 2.68682028745956 2.51928394166476 2498462.581452989 9.33603407733314 1769.35693120631 45.1152936535165 83.5598065341754 1718705.6028738 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:32:00 2021-Apr-14 11:32
2151-Jul-06 00:40 00:11 Jupiter 1.85860601589886 1.85860537957354 1.85860665222481 3.0428720095027 2.8892230920019 2506882.528023748 10.6076531183826 562.234961827856 43.3400394475673 -85.8209908256518 1091896.60970792 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:32:00 2021-Apr-14 11:32
2174-Aug-03 23:05 00:13 Jupiter 1.91171752367574 1.91171282591124 1.91172222184167 3.36145995184957 3.22696068774936 2515312.461511211 12.593062300688 1445.98023815498 25.7443467630493 81.9301174185969 1655029.10424297 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:32:00 2021-Apr-14 11:32

Alternate Designations
 2012 TJ308 = 2009 BB185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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