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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08784490804474521 7.0513e-08  
a 5.19915724238423 1.488e-07 au
q 4.742437752516816 4.7778e-07 au
i 7.772558177289258 7.7882e-06 deg
node 183.5170684866475 3.321e-05 deg
peri 229.96758627 5.4377e-05 deg
M 331.9053180513774 4.5051e-05 deg
tp 2459734.424340260476
(2022-Jun-03.92434026)
0.00054825 TDB
period 4330.099294814611
11.86
0.00018589
5.089e-07
d
yr
n .08313897106957982 3.5692e-09 deg/d
Q 5.655876732251643 1.6187e-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 = 3.75933 au 
 Jupiter MOID = .0586857 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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