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442427 (2011 UV131)
Classification: Main-belt Asteroid          SPK-ID: 2442427
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2214564874954208 1.2112e-07  
a 2.589701783236938 3.4215e-08 au
q 2.016195522660658 3.3596e-07 au
i 5.554374373489125 7.8114e-06 deg
node 341.1528899030725 4.5636e-05 deg
peri 25.67798852037728 5.0744e-05 deg
M 45.22620308611965 1.3873e-05 deg
tp 2458809.267946582039
(2019-Nov-21.76794658)
5.8791e-05 TDB
period 1522.204707288256
4.17
3.0167e-05
8.259e-08
d
yr
n .2364990715613571 4.6869e-09 deg/d
Q 3.163208043813218 4.1792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      9203 days (25.20 yr)  
   first obs. used      1994-09-04  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56672  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:03  

Additional Information
 Earth MOID = 1.01624 au 
 Jupiter MOID = 2.30962 au 
 T_jup = 3.379 
[ 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 17.3   n/a MPO495192  

442427 (2011 UV131)          Discovered 2011-Oct-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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