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392996 (2012 XA118)
Classification: Main-belt Asteroid          SPK-ID: 2392996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007583925500381785 1.1078e-07  
a 2.985527248383534 5.5509e-08 au
q 2.962885232152433 3.1953e-07 au
i 11.03190660468736 8.3275e-06 deg
node 69.74183518400763 6.8642e-05 deg
peri 73.86258127348161 0.00083249 deg
M 117.6226769974906 0.0008263 deg
tp 2458384.871744592820
(2018-Sep-23.37174459)
0.0043233 TDB
period 1884.212956242385
5.16
5.2549e-05
1.439e-07
d
yr
n .1910612061164968 5.3285e-09 deg/d
Q 3.008169264614635 5.593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      4534 days (12.41 yr)  
   first obs. used      2006-11-24  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:38:55  

Additional Information
 Earth MOID = 1.97639 au 
 Jupiter MOID = 2.0086 au 
 T_jup = 3.230 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO472035  

392996 (2012 XA118)          Discovered 2007-Dec-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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