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392944 (2012 WN8)
Classification: Main-belt Asteroid          SPK-ID: 2392944
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07687844302810819 8.6712e-08  
a 2.925814390458437 4.9156e-08 au
q 2.700882335530759 2.5758e-07 au
i 1.982274886064723 9.369e-06 deg
node 7.124852926261822 0.00023046 deg
peri 51.73283815363401 0.00024111 deg
M 180.2116148065491 6.7923e-05 deg
tp 2459913.409476426183
(2022-Nov-29.90947643)
0.00035329 TDB
period 1827.967981134063
5.00
4.6067e-05
1.261e-07
d
yr
n .1969399922293265 4.9631e-09 deg/d
Q 3.150746445386115 5.2935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5527 days (15.13 yr)  
   first obs. used      2004-02-18  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56752  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:56:28  

Additional Information
 Earth MOID = 1.71363 au 
 Jupiter MOID = 2.09822 au 
 T_jup = 3.273 
[ 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 16.7   n/a MPO434458  

392944 (2012 WN8)          Discovered 2007-Nov-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 WN8 = 2007 VU278 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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