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85791 (1998 VS18)
Classification: Main-belt Asteroid          SPK-ID: 2085791
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171143004492546 4.5609e-08  
a 2.762659818884618 1.8621e-08 au
q 2.289849917089871 1.2577e-07 au
i 3.701257669828751 5.0304e-06 deg
node 280.251986477798 7.7664e-05 deg
peri 89.29747319094866 7.9034e-05 deg
M 275.5021382101664 1.8069e-05 deg
tp 2459394.170400645147
(2021-Jun-28.67040065)
8.6662e-05 TDB
period 1677.218112154695
4.59
1.6957e-05
4.643e-08
d
yr
n .2146411354558495 2.1701e-09 deg/d
Q 3.235469720679364 2.1808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1991-03-13  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:01  

Additional Information
 Earth MOID = 1.29298 au 
 Jupiter MOID = 2.25666 au 
 T_jup = 3.316 
[ 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 15.1   n/a MPO436375  

85791 (1998 VS18)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 VS18 = 2002 NY51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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