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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011663255593457 4.2199e-08  
a 2.247620741161972 1.3849e-08 au
q 2.020237209527642 1.0009e-07 au
i 2.063082642217585 4.9259e-06 deg
node 187.7626436821393 0.00012927 deg
peri 294.8243517574181 0.00013413 deg
M 8.776059110353655 3.0818e-05 deg
tp 2458970.495940879619
(2020-Apr-30.99594088)
0.00010544 TDB
period 1230.787207277829
3.37
1.1375e-05
3.114e-08
d
yr
n .2924957278327773 2.7033e-09 deg/d
Q 2.475004272796302 1.525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      9924 days (27.17 yr)  
   first obs. used      1992-11-26  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:46:09  

Additional Information
 Earth MOID = 1.03691 au 
 Jupiter MOID = 2.57253 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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