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JPL Small-Body Database Browser
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312796 (2010 WQ21)
Classification: Jupiter Trojan          SPK-ID: 2312796
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 .02770686903938834 1.4041e-07  
a 5.229603850079139 3.4351e-07 au
q 5.084707901077115 1.018e-06 au
i 2.637780790926598 7.6461e-06 deg
node 62.65366959005247 0.00024502 deg
peri 318.5455957065669 0.00030043 deg
M 298.097019242948 0.00017732 deg
tp 2459351.622333623947
(2021-May-17.12233362)
0.0021713 TDB
period 4368.190946504892
11.96
0.0004304
1.178e-06
d
yr
n .08241397970206539 8.1202e-09 deg/d
Q 5.374499799081162 3.5303e-07 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5598 days (15.33 yr)  
   first obs. used      2004-05-28  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:12:47  

Additional Information
 Earth MOID = 4.08686 au 
 Jupiter MOID = .0621542 au 
 T_jup = 2.997 
[ 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 13.6   n/a MPO455306  

312796 (2010 WQ21)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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