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442793 (2012 XJ154)
Classification: Main-belt Asteroid          SPK-ID: 2442793
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08670732543502668 6.5006e-08  
a 3.113660274431982 6.8871e-08 au
q 2.843683119722694 2.1966e-07 au
i 9.899931458397569 8.3767e-06 deg
node 295.7114011045603 4.3701e-05 deg
peri 332.2410264378987 6.7294e-05 deg
M 358.9103646920909 5.3235e-05 deg
tp 2459006.574127896788
(2020-Jun-06.07412790)
0.00029679 TDB
period 2006.805421017336
5.49
6.6583e-05
1.823e-07
d
yr
n .1793895891598203 5.9519e-09 deg/d
Q 3.38363742914127 7.4843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      4487 days (12.28 yr)  
   first obs. used      2006-12-25  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:24:39  

Additional Information
 Earth MOID = 1.83175 au 
 Jupiter MOID = 1.77681 au 
 T_jup = 3.189 
[ 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 15.8   n/a MPO434644  

442793 (2012 XJ154)          Discovered 2010-Sep-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2012 XJ154 = 2010 SO1 = 2010 TU171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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