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390176 (2012 WH3)
Classification: Main-belt Asteroid          SPK-ID: 2390176
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334072177365046 5.1202e-08  
a 2.349019779230952 2.035e-08 au
q 2.035643586075732 1.1684e-07 au
i 6.927420441701187 5.7118e-06 deg
node 65.32034385494156 3.9629e-05 deg
peri 295.262585780303 4.7829e-05 deg
M 81.5995443242189 2.162e-05 deg
tp 2458702.433155378892
(2019-Aug-06.93315538)
8.0398e-05 TDB
period 1315.008128443075
3.60
1.7088e-05
4.678e-08
d
yr
n .2737625663395919 3.5575e-09 deg/d
Q 2.662395972386172 2.3065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6676 days (18.28 yr)  
   first obs. used      2001-10-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:31:02  

Additional Information
 Earth MOID = 1.04462 au 
 Jupiter MOID = 2.80595 au 
 T_jup = 3.537 
[ 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 17.1   n/a MPO450373  

390176 (2012 WH3)          Discovered 2007-Mar-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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