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136746 (1995 WJ17)
Classification: Main-belt Asteroid          SPK-ID: 2136746
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340899286748992 5.8131e-08  
a 3.190780086970651 2.9902e-08 au
q 2.762928612691468 1.8278e-07 au
i 3.65459088876841 5.5286e-06 deg
node 261.7687386882869 0.00011129 deg
peri 232.0375216828696 0.00011387 deg
M 34.02554941087659 2.4269e-05 deg
tp 2458803.735664985475
(2019-Nov-16.23566499)
0.00013924 TDB
period 2081.822684179373
5.70
2.9264e-05
8.012e-08
d
yr
n .1729253902053177 2.4308e-09 deg/d
Q 3.618631561249834 3.3911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1995-10-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:23  

Additional Information
 Earth MOID = 1.77917 au 
 Jupiter MOID = 1.45561 au 
 T_jup = 3.180 
[ 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 15.8   n/a MPO417723  

136746 (1995 WJ17)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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