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JPL Small-Body Database Browser
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390226 (2012 XE42)
Classification: Main-belt Asteroid          SPK-ID: 2390226
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07531013964390172 9.7082e-08  
a 2.914997772696625 6.5663e-08 au
q 2.69546888337318 3.0948e-07 au
i 4.757350174249408 9.3697e-06 deg
node 258.6452446247046 0.00011918 deg
peri 84.9945323980964 0.00013517 deg
M 185.4100957642203 6.3648e-05 deg
tp 2459482.101648820262
(2021-Sep-24.60164882)
0.00032954 TDB
period 1817.840470011854
4.98
6.1423e-05
1.682e-07
d
yr
n .1980371797958995 6.6914e-09 deg/d
Q 3.134526662020071 7.0608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4566 days (12.50 yr)  
   first obs. used      2006-08-29  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:56:37  

Additional Information
 Earth MOID = 1.69195 au 
 Jupiter MOID = 2.17252 au 
 T_jup = 3.273 
[ 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 16.7   n/a MPO434436  

390226 (2012 XE42)          Discovered 2006-Aug-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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