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312426 (2008 GL91)
Classification: Main-belt Asteroid          SPK-ID: 2312426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09931405971422684 6.1032e-08  
a 3.082923330053304 4.4459e-08 au
q 2.776745698358007 1.932e-07 au
i 9.918765862676155 7.8067e-06 deg
node 195.1498553126648 3.4022e-05 deg
peri 122.4535783778091 5.2825e-05 deg
M 346.0249817809387 3.9903e-05 deg
tp 2459077.252476134585
(2020-Aug-15.75247613)
0.00021972 TDB
period 1977.163176128345
5.41
4.2769e-05
1.171e-07
d
yr
n .1820790536393396 3.9387e-09 deg/d
Q 3.389100961748601 4.8875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:46:12  

Additional Information
 Earth MOID = 1.7802 au 
 Jupiter MOID = 1.95336 au 
 T_jup = 3.197 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457080.5 (2015-Feb-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09955581666463728 6.1557e-08  
q 2.773936762352876 1.9475e-07 au
tp 2457111.544836157392
(2015-Mar-30.04483616)
0.00020884 TDB
node 195.2795394536686 3.3976e-05 deg
peri 124.0131979609552 5.2587e-05 deg
i 9.927440324443028 7.8138e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:46:12  

Additional Information
 Jupiter MOID = 1.95336 au 
 T_jup = 3.197 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.789310647119974E-15 -1.174535347315984E-14 4.316432432398588E-12 1.057816358628386E-14 9.232311443005224E-13 2.931947721179383E-15
q -1.174535347315984E-14 3.79269817634339E-14 -1.221459887183065E-11 -3.774778087355332E-14 -2.645707533394247E-12 -5.507527233574134E-15
tp 4.316432432398588E-12 -1.221459887183065E-11 4.361491054420714E-8 -5.225901277241439E-11 8.410490641200341E-9 3.987826093105212E-11
node 1.057816358628386E-14 -3.774778087355332E-14 -5.225901277241439E-11 1.154365677817717E-9 -1.145949342215487E-9 1.279039678353964E-11
peri 9.232311443005224E-13 -2.645707533394247E-12 8.410490641200341E-9 -1.145949342215487E-9 2.765353020404375E-9 -5.025121843690508E-12
i 2.931947721179383E-15 -5.507527233574134E-15 3.987826093105212E-11 1.279039678353964E-11 -5.025121843690508E-12 6.105565106364099E-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 16.1   n/a MPO437379  

312426 (2008 GL91)          Discovered 2008-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 GL91 = 1999 VC127 = 2004 TT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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