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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962922150618782 7.6862e-08  
a 3.097209933332994 2.822e-08 au
q 2.489251735007409 2.3498e-07 au
i 1.267377504757801 8.0964e-06 deg
node 15.6859307045807 0.00033411 deg
peri 351.8834444550087 0.00033507 deg
M 106.6304618989257 2.1254e-05 deg
tp 2458010.797211018567
(2017-Sep-14.29721102)
0.00011537 TDB
period 1990.922671183279
5.45
2.721e-05
7.45e-08
d
yr
n .1808206844046026 2.4713e-09 deg/d
Q 3.70516813165858 3.3759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   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      .56997  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:50:32  

Additional Information
 Earth MOID = 1.48736 au 
 Jupiter MOID = 1.75464 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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