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JPL Small-Body Database Browser
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392814 (2012 TH258)
Classification: Main-belt Asteroid          SPK-ID: 2392814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012138637605507 5.2509e-08  
a 2.247305446583571 1.6241e-08 au
q 2.019846979284718 1.1802e-07 au
i 2.063241118876419 7.028e-06 deg
node 187.7699465457057 0.00013881 deg
peri 294.9502055492048 0.00014328 deg
M 251.6507961079478 3.2163e-05 deg
tp 2458970.852096335709
(2020-May-01.35209634)
0.00010955 TDB
period 1230.528235479128
3.37
1.334e-05
3.652e-08
d
yr
n .292557285253863 3.1715e-09 deg/d
Q 2.474763913882424 1.7885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      9358 days (25.62 yr)  
   first obs. used      1992-11-26  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:50:41  

Additional Information
 Earth MOID = 1.03685 au 
 Jupiter MOID = 2.574 au 
 T_jup = 3.622 
[ 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 17.8   n/a MPO455787  

392814 (2012 TH258)          Discovered 2004-Apr-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 TH258 = 2004 KE2 = 2010 AC67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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