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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262000627102632 5.4022e-08  
a 2.643272097346504 3.1129e-08 au
q 2.309690992901086 1.4453e-07 au
i 8.334932817922866 7.1731e-06 deg
node 354.4775721226068 4.852e-05 deg
peri 49.39103005728828 5.8039e-05 deg
M 316.6806002407639 3.676e-05 deg
tp 2459189.382257062093
(2020-Dec-05.88225706)
0.00016207 TDB
period 1569.680395395038
4.30
2.7728e-05
7.592e-08
d
yr
n .2293460509898257 4.0514e-09 deg/d
Q 2.976853201791922 3.5057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5261 days (14.40 yr)  
   first obs. used      2003-11-19  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:45  

Additional Information
 Earth MOID = 1.32738 au 
 Jupiter MOID = 2.46264 au 
 T_jup = 3.368 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456646.5 (2013-Dec-20.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285048916416477 5.4318e-08  
q 2.302919809637048 1.4569e-07 au
tp 2456045.315969456244
(2012-Apr-27.81596946)
0.0001355 TDB
node 354.7025849957385 4.845e-05 deg
peri 48.32604720655591 5.7585e-05 deg
i 8.345014413796001 7.1742e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5261 days (14.40 yr)  
   first obs. used      2003-11-19  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:45  

Additional Information
 Jupiter MOID = 2.46264 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.950480727156978E-15 -7.776059384713769E-15 4.462125533248327E-13 -2.660157527718383E-15 9.139625161957382E-14 -2.055367105451207E-15
q -7.776059384713769E-15 2.12244028913318E-14 -2.693989061992329E-13 1.201244035334323E-14 1.762544518880314E-14 7.668671205643863E-15
tp 4.462125533248327E-13 -2.693989061992329E-13 1.836103395297022E-8 4.657358038911395E-11 4.265290436658192E-9 -5.546011641319074E-12
node -2.660157527718383E-15 1.201244035334323E-14 4.657358038911395E-11 2.347412991589373E-9 -2.311232033480989E-9 -8.29366959155578E-11
peri 9.139625161957382E-14 1.762544518880314E-14 4.265290436658192E-9 -2.311232033480989E-9 3.316080195473152E-9 8.08929991120412E-11
i -2.055367105451207E-15 7.668671205643863E-15 -5.546011641319074E-12 -8.29366959155578E-11 8.08929991120412E-11 5.146978987841851E-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 16.7   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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