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390232 (2012 XS51)
Classification: Main-belt Asteroid          SPK-ID: 2390232
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08783369758112651 1.2728e-07  
a 2.419616667855802 3.116e-08 au
q 2.207092789189102 2.8983e-07 au
i 2.808560990809585 1.0088e-05 deg
node 332.9462353576449 0.00017892 deg
peri 256.5145503691335 0.00018781 deg
M 195.960519924243 5.4592e-05 deg
tp 2459626.917903268868
(2022-Feb-16.41790327)
0.0002051 TDB
period 1374.732747705899
3.76
2.6556e-05
7.271e-08
d
yr
n .2618690800817497 5.0585e-09 deg/d
Q 2.632140546522501 3.3896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5501 days (15.06 yr)  
   first obs. used      2004-10-05  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:57:48  

Additional Information
 Earth MOID = 1.19887 au 
 Jupiter MOID = 2.35758 au 
 T_jup = 3.507 
[ 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 17.6   n/a MPO450373  

390232 (2012 XS51)          Discovered 2004-Oct-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

Alternate Designations
 2012 XS51 = 2004 TF81 = 2008 WA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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