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JPL Small-Body Database Browser
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66122 (1998 SC87)
Classification: Main-belt Asteroid          SPK-ID: 2066122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019738462260347 6.2314e-08  
a 2.680969790575936 2.119e-08 au
q 2.139484010357507 1.5973e-07 au
i 13.19774346557739 6.719e-06 deg
node 207.4860398549511 2.469e-05 deg
peri 174.6824206381473 2.8837e-05 deg
M 328.0473959267913 1.8992e-05 deg
tp 2459142.811522421790
(2020-Oct-20.31152242)
8.5756e-05 TDB
period 1603.379428933651
4.39
1.9009e-05
5.204e-08
d
yr
n .2245257694489837 2.6619e-09 deg/d
Q 3.222455570794365 2.547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7949 days (21.76 yr)  
   first obs. used      1997-06-27  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55011  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:55:54  

Additional Information
 Earth MOID = 1.1434 au 
 Jupiter MOID = 2.23581 au 
 T_jup = 3.310 
[ 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 15.3   n/a MPO395611  

66122 (1998 SC87)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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