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216883 (2008 QG41)
Classification: Jupiter Trojan          SPK-ID: 2216883
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08773668807059073 7.0653e-08  
a 5.199687849805216 1.4917e-07 au
q 4.743484458862415 4.7866e-07 au
i 7.772106892879748 7.7878e-06 deg
node 183.5166471400189 3.3211e-05 deg
peri 229.76757969 5.4323e-05 deg
M 315.7783821433638 4.4676e-05 deg
tp 2459732.481417510348
(2022-Jun-01.98141751)
0.00054731 TDB
period 4330.762183432545
11.86
0.00018636
5.102e-07
d
yr
n .08312624539329136 3.5771e-09 deg/d
Q 5.655891240748018 1.6226e-07 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6916 days (18.93 yr)  
   first obs. used      2002-02-05  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:39  

Additional Information
 Earth MOID = 3.75995 au 
 Jupiter MOID = .0606914 au 
 T_jup = 2.974 
[ 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 13.23   n/a E2021B55  

216883 (2008 QG41)          Discovered 2008-Aug-21 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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