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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756569845449208 6.0525e-08  
a 2.795835611256977 5.4003e-08 au
q 2.304727558500271 1.4926e-07 au
i 10.34299143441715 6.258e-06 deg
node 282.1742841022657 5.5408e-05 deg
peri 191.3428063150392 6.5897e-05 deg
M 253.5397484964847 4.4109e-05 deg
tp 2459901.452890272037
(2022-Nov-17.95289027)
0.00021949 TDB
period 1707.520299178807
4.67
4.9472e-05
1.354e-07
d
yr
n .210832047017616 6.1085e-09 deg/d
Q 3.286943664013683 6.3489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5026 days (13.76 yr)  
   first obs. used      2007-09-18  
   last obs. used      2021-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:34:28  

Additional Information
 Earth MOID = 1.32262 au 
 Jupiter MOID = 1.85545 au 
 T_jup = 3.281 
[ 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 16.26   n/a MPO639082  

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 04:35 00:04 Jupiter 1.99744454258112 1.99744197843541 1.99744710688749 2.76300700685605 2.60501469462564 2442202.691078765 3.88686837021195 996.893665357484 43.089963629196 83.4076302447233 1525906.65389698 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 16:34:28 2021-Jul-09 16:34
1997-Jun-16 03:38 00:02 Jupiter 1.87517556532519 1.87517441937549 1.87517671128011 3.03729600671687 2.88474625299424 2450615.651606448 1.70109638817609 322.694436525419 46.2698443167472 83.7544440588283 1953987.62987825 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 16:34:28 2021-Jul-09 16:34
2020-Jul-16 03:32 < 00:01 Jupiter 1.87380887829611 1.87380819527534 1.87380956131827 3.3010386470145 3.16113763537361 2459046.647505087 0.422022240473131 220.885250762944 25.1764293714296 85.6132019492544 2039983.90884432 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 16:34:28 2021-Jul-09 16:34
2128-Jun-16 01:56 00:09 Jupiter 1.94224021904518 1.94223747479957 1.94224296374864 2.68682217628729 2.51928591308226 2498462.580233417 8.54370343965156 1624.52633217263 43.6674425543773 83.5843889710211 1719254.30946443 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 16:34:28 2021-Jul-09 16:34
2151-Jul-06 00:38 00:10 Jupiter 1.85860605750126 1.85860542801695 1.85860668698621 3.04287468479746 2.8892259130994 2506882.526623921 9.71529904818789 516.514540794417 43.2373878856029 -85.9514195653902 1120046.41480233 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 16:34:28 2021-Jul-09 16:34
2174-Aug-03 23:02 00:12 Jupiter 1.91171845322386 1.91171418609634 1.91172272068522 3.36146252366113 3.22696343351492 2515312.459868946 11.5358692854248 1320.50014199536 24.9875990277479 81.978801204667 1704562.1030948 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 16:34:28 2021-Jul-09 16:34

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