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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18332393559612 4.2397e-08  
a 3.065428328233728 1.8718e-08 au
q 2.503461942814087 1.2599e-07 au
i 7.806551942058559 4.6578e-06 deg
node 276.5719463260645 3.1798e-05 deg
peri 82.12918956306325 3.4796e-05 deg
M 111.1888566424406 1.3033e-05 deg
tp 2458595.028172606081
(2019-Apr-21.52817261)
7.0028e-05 TDB
period 1960.357039759434
5.37
1.7955e-05
4.916e-08
d
yr
n .1836400169451671 1.682e-09 deg/d
Q 3.62739471365337 2.2149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      8478 days (23.21 yr)  
   first obs. used      1997-11-01  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50884  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:52  

Additional Information
 Earth MOID = 1.51312 au 
 Jupiter MOID = 1.93477 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 14.75   n/a E2021B55  

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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