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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264489007176837 4.5844e-08  
a 2.720663794747549 1.5104e-08 au
q 2.37663884867932 1.2423e-07 au
i 2.352831658320296 4.131e-06 deg
node 221.5713024670666 0.00010412 deg
peri 132.6066746523271 0.00010512 deg
M 223.2157379864479 1.7154e-05 deg
tp 2459823.293933659867
(2022-Aug-31.79393366)
8.0979e-05 TDB
period 1639.119974894033
4.49
1.3649e-05
3.737e-08
d
yr
n .2196300487542247 1.8289e-09 deg/d
Q 3.064688740815778 1.7014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      9279 days (25.40 yr)  
   first obs. used      1995-09-17  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:30  

Additional Information
 Earth MOID = 1.37077 au 
 Jupiter MOID = 2.37102 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 15.59   n/a E2021B55  
rotation period rot_per 60.279 h n/a LCDB (Rev. 2020-October); 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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