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JPL Small-Body Database Browser
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442778 (2012 XE124)
Classification: Main-belt Asteroid          SPK-ID: 2442778
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02413575346416269 5.1871e-08  
a 2.533420367652919 3.7721e-08 au
q 2.47227435823816 1.4257e-07 au
i 9.154103995020668 7.4742e-06 deg
node 128.7699969913398 3.3367e-05 deg
peri 134.4811632710037 0.0001785 deg
M 120.7783923613954 0.00017047 deg
tp 2458506.364498336633
(2019-Jan-22.86449834)
0.00070211 TDB
period 1472.852694267779
4.03
3.2894e-05
9.006e-08
d
yr
n .2444236286500953 5.4589e-09 deg/d
Q 2.594566377067678 3.8631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      5907 days (16.17 yr)  
   first obs. used      2003-08-23  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:43:18  

Additional Information
 Earth MOID = 1.46331 au 
 Jupiter MOID = 2.43974 au 
 T_jup = 3.431 
[ 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 16.8   n/a MPO437722  

442778 (2012 XE124)          Discovered 2012-Nov-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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