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JPL Small-Body Database Browser
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390079 (2012 US131)
Classification: Main-belt Asteroid          SPK-ID: 2390079
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741149601628195 1.7892e-07  
a 2.587840485265199 5.7636e-08 au
q 2.137258742265518 4.9208e-07 au
i 4.115904046136521 2.0119e-05 deg
node 52.4563703914896 0.00017002 deg
peri 21.92635676537904 0.00019177 deg
M 171.0716596252465 9.6916e-05 deg
tp 2457877.929463126962
(2017-May-04.42946313)
0.00039164 TDB
period 1520.563919495083
4.16
5.0798e-05
1.391e-07
d
yr
n .2367542695078161 7.9094e-09 deg/d
Q 3.038422228264881 6.7671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      4844 days (13.26 yr)  
   first obs. used      2004-12-12  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:51:30  

Additional Information
 Earth MOID = 1.15265 au 
 Jupiter MOID = 2.23731 au 
 T_jup = 3.396 
[ 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 17.5   n/a MPO440684  

390079 (2012 US131)          Discovered 2008-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

Alternate Designations
 2012 US131 = 2008 WZ62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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