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46657 (1995 WM17)
Classification: Main-belt Asteroid          SPK-ID: 2046657
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086412361886185 4.8539e-08  
a 2.371071876553644 8.6968e-09 au
q 1.876368509137424 1.1562e-07 au
i 2.41154055673657 5.3378e-06 deg
node 2.731008250604304 9.5127e-05 deg
peri 18.42682215712359 9.5818e-05 deg
M 276.2345946661 1.1842e-05 deg
tp 2459310.797087677411
(2021-Apr-06.29708768)
4.4864e-05 TDB
period 1333.569044626347
3.65
7.337e-06
2.009e-08
d
yr
n .2699522768998199 1.4852e-09 deg/d
Q 2.865775243969863 1.0511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      8591 days (23.52 yr)  
   first obs. used      1995-10-17  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:38:39  

Additional Information
 Earth MOID = .87931 au 
 Jupiter MOID = 2.59668 au 
 T_jup = 3.514 
[ 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 16.1   n/a MPO284487  

46657 (1995 WM17)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WM17 = 2000 AH132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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