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372310 (2008 WR94)
Classification: Main-belt Asteroid          SPK-ID: 2372310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826850949809109 7.0921e-08  
a 3.074477377819346 3.2782e-08 au
q 2.205368448253822 2.2568e-07 au
i 1.710502884914128 7.1062e-06 deg
node 62.81180903750668 0.00028217 deg
peri 300.2260150094894 0.00028253 deg
M 82.65739040895541 1.4166e-05 deg
tp 2458548.399935680936
(2019-Mar-05.89993568)
7.385e-05 TDB
period 1969.043812653798
5.39
3.1493e-05
8.622e-08
d
yr
n .18282985766315 2.9242e-09 deg/d
Q 3.94358630738487 4.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:11:21  

Additional Information
 Earth MOID = 1.20369 au 
 Jupiter MOID = 1.51452 au 
 T_jup = 3.166 
[ 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 16.2   n/a MPO455688  
rotation period rot_per 39.652 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

372310 (2008 WR94)          Discovered 2008-Nov-29 by Lowe, A. at Mayhill
Reference: Last Updated: 2013-09-23

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