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452467 (2003 WN31)
Classification: Main-belt Asteroid          SPK-ID: 2452467
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392255158817189 1.4269e-07  
a 2.557324654528271 8.0972e-08 au
q 2.201279810224534 4.2804e-07 au
i 11.98247613369347 1.2628e-05 deg
node 39.5333156299687 5.1443e-05 deg
peri 25.83592239276886 0.00035074 deg
M .04066774944189269 0.00034224 deg
tp 2459000.331257350592
(2020-May-30.83125735)
0.00142 TDB
period 1493.747616248349
4.09
7.0944e-05
1.942e-07
d
yr
n .2410045686996073 1.1446e-08 deg/d
Q 2.913369498832008 9.2245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5848 days (16.01 yr)  
   first obs. used      2003-10-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:49:12  

Additional Information
 Earth MOID = 1.21972 au 
 Jupiter MOID = 2.46034 au 
 T_jup = 3.393 
[ 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 17.2   n/a MPO495256  

452467 (2003 WN31)          Discovered 2003-Nov-18 by NEAT at Palomar
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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