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351431 (2005 GR122)
Classification: Main-belt Asteroid          SPK-ID: 2351431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262000573046511 5.3463e-08  
a 2.643272085071274 1.8599e-08 au
q 2.309690996463494 1.4443e-07 au
i 8.334927423642533 6.0637e-06 deg
node 354.4776188276138 3.5191e-05 deg
peri 49.39097431613892 4.3521e-05 deg
M 316.6806142540076 2.1949e-05 deg
tp 2459189.382194645481
(2020-Dec-05.88219465)
9.5076e-05 TDB
period 1569.680384460755
4.30
1.6567e-05
4.536e-08
d
yr
n .229346052587434 2.4207e-09 deg/d
Q 2.976853173679053 2.0946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6208 days (17.00 yr)  
   first obs. used      2003-11-19  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:58:37  

Additional Information
 Earth MOID = 1.32737 au 
 Jupiter MOID = 2.46264 au 
 T_jup = 3.368 
[ 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 16.7   n/a MPO440578  

351431 (2005 GR122)          Discovered 2005-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

Alternate Designations
 2005 GR122 = 2003 WE20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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