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392788 (2012 TD161)
Classification: Main-belt Asteroid          SPK-ID: 2392788
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050928928795135 8.3789e-08  
a 2.362499897076452 2.4556e-08 au
q 2.114217948465135 2.1155e-07 au
i 6.797987476340599 7.2444e-06 deg
node 37.06178361801101 4.945e-05 deg
peri 21.61183094881197 6.3918e-05 deg
M 5.302274104708032 4.6729e-05 deg
tp 2458980.964892807157
(2020-May-11.46489281)
0.00017199 TDB
period 1326.343838614237
3.63
2.0679e-05
5.662e-08
d
yr
n .2714228313346921 4.2317e-09 deg/d
Q 2.610781845687769 2.7136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4579 days (12.54 yr)  
   first obs. used      2007-04-16  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:05:49  

Additional Information
 Earth MOID = 1.12755 au 
 Jupiter MOID = 2.68449 au 
 T_jup = 3.533 
[ 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 17.5   n/a MPO494990  

392788 (2012 TD161)          Discovered 2007-Apr-16 by Mt. Lemmon Survey at Mount Lemmon
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
1961-Oct-20 16:11 00:01 Juno 0.0443116702128865 0.0442984239489988 0.0443249598448123 7.16473845389978 7.1647384155796 2437593.174613137 1.3189814194228 2300.98118667419 85.646759588619 -73.4280580045967 74164.2720071466 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 13:05:52 2019-Nov-08 13:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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