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118920 (2000 VH31)
Classification: Main-belt Asteroid          SPK-ID: 2118920
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262320092522887 4.6037e-08  
a 2.721191873194822 1.5181e-08 au
q 2.37769035548044 1.2476e-07 au
i 2.352531861310004 4.1365e-06 deg
node 221.5763323005528 0.0001046 deg
peri 132.5818897688964 0.0001056 deg
M 179.3128493483872 1.7012e-05 deg
tp 2458183.830971338868
(2018-Mar-06.33097134)
7.4189e-05 TDB
period 1639.597225666704
4.49
1.372e-05
3.756e-08
d
yr
n .2195661192666476 1.8374e-09 deg/d
Q 3.064693390909204 1.7097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8980 days (24.59 yr)  
   first obs. used      1995-09-17  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:24:20  

Additional Information
 Earth MOID = 1.37353 au 
 Jupiter MOID = 2.37048 au 
 T_jup = 3.346 
[ 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 15.5   n/a MPO412808  
rotation period rot_per 60.279 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.]

118920 (2000 VH31)          Discovered 2000-Nov-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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