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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08580646548912256 6.5233e-08  
a 3.110446485044264 6.9805e-08 au
q 2.843550066069551 2.1983e-07 au
i 9.899062095625746 8.3754e-06 deg
node 295.721338667946 4.3728e-05 deg
peri 332.5109583529985 6.7593e-05 deg
M 286.7944340376914 5.3156e-05 deg
tp 2459007.949819072590
(2020-Jun-07.44981907)
0.00029835 TDB
period 2003.699212456803
5.49
6.7451e-05
1.847e-07
d
yr
n .1796676855298016 6.0482e-09 deg/d
Q 3.377342904018978 7.5795e-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 = 1.83104 au 
 Jupiter MOID = 1.78194 au 
 T_jup = 3.191 
[ 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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