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295251 (2008 GQ40)
Classification: Main-belt Asteroid          SPK-ID: 2295251
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05918481314119388 6.4269e-08  
a 2.745214261201971 2.8645e-08 au
q 2.582739268120192 1.7644e-07 au
i 6.618633198855052 5.7111e-06 deg
node 158.7435511579656 6.9294e-05 deg
peri 211.2324992228994 9.3795e-05 deg
M 82.68962988448907 6.1466e-05 deg
tp 2458618.897383628070
(2019-May-15.39738363)
0.00028545 TDB
period 1661.356352493046
4.55
2.6003e-05
7.119e-08
d
yr
n .2166904165140614 3.3916e-09 deg/d
Q 2.90768925428375 3.034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      8498 days (23.27 yr)  
   first obs. used      1996-10-15  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:31  

Additional Information
 Earth MOID = 1.58339 au 
 Jupiter MOID = 2.3757 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457619.5 (2016-Aug-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05868633363966855 6.3429e-08  
q 2.584634506992523 1.7299e-07 au
tp 2456947.769676152816
(2014-Oct-17.26967615)
0.0002993 TDB
node 158.8170054184982 6.9155e-05 deg
peri 209.196703195097 9.4497e-05 deg
i 6.623808806766109 5.717e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      8498 days (23.27 yr)  
   first obs. used      1996-10-15  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:31  

Additional Information
 Jupiter MOID = 2.3757 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.023196588637362E-15 -1.084269949779138E-14 6.669206845055618E-12 -1.033291940065146E-14 1.463005772787127E-12 -3.635411909985752E-15
q -1.084269949779138E-14 2.992679239095429E-14 -2.1102621090614E-11 2.500018813741039E-14 -4.570081472753253E-12 1.070257665104461E-14
tp 6.669206845055618E-12 -2.1102621090614E-11 8.957877064925656E-8 1.37272576056605E-10 1.936675375902128E-8 -1.400570430515793E-11
node -1.033291940065146E-14 2.500018813741039E-14 1.37272576056605E-10 4.78245879449972E-9 -4.720093095493405E-9 1.018968275917564E-10
peri 1.463005772787127E-12 -4.570081472753253E-12 1.936675375902128E-8 -4.720093095493405E-9 8.929776485576974E-9 -1.042372195595292E-10
i -3.635411909985752E-15 1.070257665104461E-14 -1.400570430515793E-11 1.018968275917564E-10 -1.042372195595292E-10 3.268355656981375E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO455182  

295251 (2008 GQ40)          Discovered 2008-Apr-04 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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