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392890 (2012 VY31)
Classification: Main-belt Asteroid          SPK-ID: 2392890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05965452219357388 1.6735e-07  
a 2.558151012126918 5.3988e-08 au
q 2.405545735799479 4.4738e-07 au
i 4.905944461326673 1.2345e-05 deg
node 256.673417292523 0.00013898 deg
peri 186.3701384283041 0.00025315 deg
M 280.4387248252506 0.000212 deg
tp 2459330.783538211914
(2021-Apr-26.28353821)
0.00088421 TDB
period 1494.471694868275
4.09
4.731e-05
1.295e-07
d
yr
n .2408878008437162 7.6257e-09 deg/d
Q 2.710756288454357 5.7209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      3423 days (9.37 yr)  
   first obs. used      2008-11-30  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57928  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:54:14  

Additional Information
 Earth MOID = 1.42151 au 
 Jupiter MOID = 2.43135 au 
 T_jup = 3.429 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO440695  

392890 (2012 VY31)          Discovered 2008-Nov-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 VY31 = 2008 WW111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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