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123490 (2000 WS170)
Classification: Main-belt Asteroid          SPK-ID: 2123490
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06917794057155928 4.3148e-08  
a 2.712642039185039 1.8099e-08 au
q 2.524987049406383 1.2249e-07 au
i 2.421389560939627 5.1517e-06 deg
node 1.164297737589095 8.8709e-05 deg
peri 321.8131561194515 9.3931e-05 deg
M 221.2477971118612 3.1551e-05 deg
tp 2459629.462199066169
(2022-Feb-18.96219907)
0.00014403 TDB
period 1631.876013142395
4.47
1.6332e-05
4.471e-08
d
yr
n .2206049951716442 2.2079e-09 deg/d
Q 2.900297028963695 1.9351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      7107 days (19.46 yr)  
   first obs. used      2000-11-02  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:00:50  

Additional Information
 Earth MOID = 1.51311 au 
 Jupiter MOID = 2.31144 au 
 T_jup = 3.358 
[ 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 15.6   n/a MPO338120  

123490 (2000 WS170)          Discovered 2000-Nov-24 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2000 WS170 = 2002 CN81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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