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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262000571653288 5.3469e-08  
a 2.64327208445657 1.8839e-08 au
q 2.309690996294633 1.4445e-07 au
i 8.334927299228987 6.1986e-06 deg
node 354.4776194167915 3.5752e-05 deg
peri 49.39097320970033 4.4022e-05 deg
M 316.6806150047069 2.2248e-05 deg
tp 2459189.382191306376
(2020-Dec-05.88219131)
9.6439e-05 TDB
period 1569.680383913202
4.30
1.6781e-05
4.594e-08
d
yr
n .229346052667437 2.4519e-09 deg/d
Q 2.976853172618507 2.1217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6184 days (16.93 yr)  
   first obs. used      2003-11-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:43:47  

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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