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173944 (2001 WO63)
Classification: Main-belt Asteroid          SPK-ID: 2173944
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967091158207906 7.6922e-08  
a 3.095918457806639 2.7907e-08 au
q 2.486923075318229 2.3499e-07 au
i 1.267756042263455 8.0878e-06 deg
node 15.67390866690703 0.00032749 deg
peri 351.8223571052366 0.00032846 deg
M 179.0559107371448 2.1192e-05 deg
tp 2458010.879101146409
(2017-Sep-14.37910115)
0.00011346 TDB
period 1989.677537706587
5.45
2.6903e-05
7.366e-08
d
yr
n .1809338413776113 2.4465e-09 deg/d
Q 3.704913840295049 3.3397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      8511 days (23.30 yr)  
   first obs. used      1995-10-21  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:13:12  

Additional Information
 Earth MOID = 1.48585 au 
 Jupiter MOID = 1.7583 au 
 T_jup = 3.193 
[ 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 MPO436864  

173944 (2001 WO63)          Discovered 2001-Nov-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 WO63 = 2006 SA178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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