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266560 (2008 GN54)
Classification: Main-belt Asteroid          SPK-ID: 2266560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578740269918601 5.9368e-08  
a 2.325108231126082 2.6889e-08 au
q 1.958034031486287 1.384e-07 au
i 3.588175310021823 9.2582e-06 deg
node 54.48697844124778 0.00016047 deg
peri 203.0156383328915 0.00016591 deg
M 358.1570144209039 4.5908e-05 deg
tp 2458607.129528218206
(2019-May-03.62952822)
0.00016519 TDB
period 1294.980376202662
3.55
2.2464e-05
6.15e-08
d
yr
n .2779964906152839 4.8224e-09 deg/d
Q 2.692182430765877 3.1134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6086 days (16.66 yr)  
   first obs. used      2001-05-25  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64631  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 08:45:05  

Additional Information
 Earth MOID = .94334 au 
 Jupiter MOID = 2.35874 au 
 T_jup = 3.555 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456957.5 (2014-Oct-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572013677254648 5.9573e-08  
q 1.959959222853366 1.3879e-07 au
tp 2457312.134909941356
(2015-Oct-16.63490994)
0.00015759 TDB
node 54.50965982299189 0.00016045 deg
peri 202.8752852684426 0.00016593 deg
i 3.58821745724614 9.2574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6086 days (16.66 yr)  
   first obs. used      2001-05-25  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64631  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 08:45:05  

Additional Information
 Jupiter MOID = 2.35874 au 
 T_jup = 3.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.54891831925264E-15 -8.156790893712574E-15 -5.30588377578426E-12 -1.75257923310498E-14 -1.440776130561539E-12 -1.418871130010692E-15
q -8.156790893712574E-15 1.926331893870352E-14 1.344801254506348E-11 4.231598814126281E-14 3.614163651502654E-12 4.094193404042691E-15
tp -5.30588377578426E-12 1.344801254506348E-11 2.483459213384646E-8 5.825192772714405E-11 6.796908170938245E-9 1.058410298318376E-11
node -1.75257923310498E-14 4.231598814126281E-14 5.825192772714405E-11 2.574444141148158E-8 -2.567888890923511E-8 -1.061917295309592E-9
peri -1.440776130561539E-12 3.614163651502654E-12 6.796908170938245E-9 -2.567888890923511E-8 2.753320179517178E-8 1.062879196688324E-9
i -1.418871130010692E-15 4.094193404042691E-15 1.058410298318376E-11 -1.061917295309592E-9 1.062879196688324E-9 8.569958273031886E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO433730  

266560 (2008 GN54)          Discovered 2008-Apr-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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