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JPL Small-Body Database Browser
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183365 (2002 WK20)
Classification: Main-belt Asteroid          SPK-ID: 2183365
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137058219067247 5.0521e-08  
a 2.316975404945505 1.678e-08 au
q 1.821824271693959 1.1789e-07 au
i 7.149451078783714 7.2482e-06 deg
node 50.04825830485949 4.8864e-05 deg
peri 262.6349852203002 5.2772e-05 deg
M 70.56433590290298 2.6769e-05 deg
tp 2458747.998873321494
(2019-Sep-21.49887332)
9.4109e-05 TDB
period 1288.191895256291
3.53
1.3994e-05
3.831e-08
d
yr
n .279461469464048 3.0359e-09 deg/d
Q 2.81212653819705 2.0366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      6647 days (18.20 yr)  
   first obs. used      2001-04-16  
   last obs. used      2019-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 22:27:15  

Additional Information
 Earth MOID = .824847 au 
 Jupiter MOID = 2.49976 au 
 T_jup = 3.539 
[ 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 16.4   n/a MPO412994  

183365 (2002 WK20)          Discovered 2002-Nov-24 by Hoenig, S. F. at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2002 WK20 = 2002 XU56 = 2005 PT3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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