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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139860779511358 5.1415e-08  
a 2.317553175749522 1.8847e-08 au
q 1.821629061227683 1.1899e-07 au
i 7.150269106605974 7.3574e-06 deg
node 50.05489039509025 4.9554e-05 deg
peri 262.6114718439238 5.4449e-05 deg
M 318.8072820655575 3.0529e-05 deg
tp 2458747.955486296550
(2019-Sep-21.45548630)
0.00011053 TDB
period 1288.673768777294
3.53
1.5719e-05
4.304e-08
d
yr
n .2793569704934489 3.4076e-09 deg/d
Q 2.813477290271362 2.2879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      6181 days (16.92 yr)  
   first obs. used      2001-04-16  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:14:29  

Additional Information
 Earth MOID = .823869 au 
 Jupiter MOID = 2.49625 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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