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390023 (2012 US30)
Classification: Main-belt Asteroid          SPK-ID: 2390023
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08290424287714228 7.3598e-08  
a 2.755356530636921 5.7321e-08 au
q 2.526925783607877 1.9566e-07 au
i 5.428636308297109 8.0065e-06 deg
node 70.17964894316704 8.5023e-05 deg
peri 21.42821807177829 0.00012176 deg
M 191.0486798252712 9.8117e-05 deg
tp 2459784.514725248492
(2022-Jul-24.01472525)
0.00047439 TDB
period 1670.571741005397
4.57
5.2131e-05
1.427e-07
d
yr
n .2154950854031218 6.7246e-09 deg/d
Q 2.983787277665964 6.2073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6110 days (16.73 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:44:30  

Additional Information
 Earth MOID = 1.54438 au 
 Jupiter MOID = 2.16772 au 
 T_jup = 3.332 
[ 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 MPO476835  

390023 (2012 US30)          Discovered 2003-Oct-20 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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