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JPL Small-Body Database Browser
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437226 (2012 XJ4)
Classification: Main-belt Asteroid          SPK-ID: 2437226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2713201863661966 8.243e-08  
a 2.534827709696085 2.8554e-08 au
q 1.847077783095144 2.0991e-07 au
i 11.25772800771781 1.1228e-05 deg
node 205.6810599767545 4.4022e-05 deg
peri 149.9285522516796 5.9625e-05 deg
M 260.252073941214 3.8214e-05 deg
tp 2459008.934547460880
(2020-Jun-08.43454746)
0.00015831 TDB
period 1474.080142771705
4.04
2.4908e-05
6.819e-08
d
yr
n .2442201000843102 4.1267e-09 deg/d
Q 3.222577636297026 3.6302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2003-04-28  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57095  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:26  

Additional Information
 Earth MOID = .852218 au 
 Jupiter MOID = 2.27825 au 
 T_jup = 3.370 
[ 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 16.2   n/a MPO437695  

437226 (2012 XJ4)          Discovered 2003-Apr-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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