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100638 (1997 VS2)
Classification: Main-belt Asteroid          SPK-ID: 2100638
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1832097964353231 4.2562e-08  
a 3.065091423216828 1.8958e-08 au
q 2.503536647513618 1.2675e-07 au
i 7.807204938469122 4.7491e-06 deg
node 276.5732701650309 3.3064e-05 deg
peri 82.09321793432247 3.6283e-05 deg
M 74.50939793826662 1.341e-05 deg
tp 2458594.830712258867
(2019-Apr-21.33071226)
7.2604e-05 TDB
period 1960.033869926147
5.37
1.8185e-05
4.979e-08
d
yr
n .1836702954595191 1.7041e-09 deg/d
Q 3.626646198920038 2.2432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1997-11-01  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:08:49  

Additional Information
 Earth MOID = 1.5148 au 
 Jupiter MOID = 1.93467 au 
 T_jup = 3.193 
[ 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 14.7   n/a MPO453460  

100638 (1997 VS2)          Discovered 1997-Nov-01 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 VS2 = 2002 NP11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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