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JPL Small-Body Database Browser
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392238 (2009 WC2)
Classification: Jupiter Trojan          SPK-ID: 2392238
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681025541143154 1.5543e-07  
a 5.265146320827511 9.6775e-07 au
q 4.380061776510816 1.2581e-06 au
i 10.58756892189848 1.6447e-05 deg
node 40.50847037725887 9.4135e-05 deg
peri 39.14209715927368 0.00016211 deg
M 277.8193987896042 0.00018115 deg
tp 2460007.851198825013
(2023-Mar-04.35119883)
0.002489 TDB
period 4412.798473554246
12.08
0.0012166
3.331e-06
d
yr
n .08158088391243516 2.2492e-08 deg/d
Q 6.150230865144206 1.1304e-06 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      3566 days (9.76 yr)  
   first obs. used      2009-09-26  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .50871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:40  

Additional Information
 Earth MOID = 3.4037 au 
 Jupiter MOID = .256386 au 
 T_jup = 2.938 
[ 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 14.0   n/a MPO218096  

392238 (2009 WC2)          Discovered 2009-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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