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100647 (1997 WS2)
Classification: Main-belt Asteroid          SPK-ID: 2100647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672270251283893 3.8224e-08  
a 2.206735636085052 9.4294e-09 au
q 1.837709800417745 8.6598e-08 au
i 2.873988357003027 3.9437e-06 deg
node 73.66600644722092 8.1108e-05 deg
peri 297.2201460708442 8.2155e-05 deg
M 58.62210797370413 1.5853e-05 deg
tp 2459005.523253268021
(2020-Jun-05.02325327)
5.1857e-05 TDB
period 1197.357639459125
3.28
7.6745e-06
2.101e-08
d
yr
n .3006620479430195 1.9271e-09 deg/d
Q 2.57576147175236 1.1006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      8456 days (23.15 yr)  
   first obs. used      1997-11-23  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:53  

Additional Information
 Earth MOID = .838269 au 
 Jupiter MOID = 2.88924 au 
 T_jup = 3.640 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO436469  

100647 (1997 WS2)          Discovered 1997-Nov-23 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 WS2 = 2000 RO95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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