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437059 (2012 US40)
Classification: Main-belt Asteroid          SPK-ID: 2437059
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0953549980092975 4.8667e-08  
a 2.646042187654206 5.2104e-08 au
q 2.393728840117922 1.5444e-07 au
i 7.995514498235868 1.4805e-05 deg
node 51.64720941199786 5.5e-05 deg
peri 249.5060423216196 0.00011454 deg
M 355.852413926486 9.508e-05 deg
tp 2459018.612837043627
(2020-Jun-18.11283704)
0.00041513 TDB
period 1572.148526909608
4.30
4.6437e-05
1.271e-07
d
yr
n .2289859983570741 6.7636e-09 deg/d
Q 2.89835553519049 5.7073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      6232 days (17.06 yr)  
   first obs. used      2002-04-14  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5715  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:09:42  

Additional Information
 Earth MOID = 1.39249 au 
 Jupiter MOID = 2.27942 au 
 T_jup = 3.372 
[ 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 16.9   n/a MPO472422  

437059 (2012 US40)          Discovered 2008-Oct-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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