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392756 (2012 TX21)
Classification: Main-belt Asteroid          SPK-ID: 2392756
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460320444956793 9.8185e-08  
a 2.555254617032715 2.5426e-08 au
q 2.182105561100403 2.5897e-07 au
i 1.786298646339596 9.3642e-06 deg
node 15.5681643204466 0.00015797 deg
peri 358.9953633177199 0.00015915 deg
M 318.4589450724663 1.839e-05 deg
tp 2459172.657013371023
(2020-Nov-19.15701337)
7.726e-05 TDB
period 1491.934302623832
4.08
2.2268e-05
6.097e-08
d
yr
n .2412974883457509 3.6016e-09 deg/d
Q 2.928403672965026 2.9139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6291 days (17.22 yr)  
   first obs. used      2002-03-12  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:45:56  

Additional Information
 Earth MOID = 1.18293 au 
 Jupiter MOID = 2.53599 au 
 T_jup = 3.422 
[ 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 17.2   n/a MPO437608  

392756 (2012 TX21)          Discovered 2004-Oct-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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