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295238 (2008 GR20)
Classification: Main-belt Asteroid          SPK-ID: 2295238
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166830792559663 6.7397e-08  
a 2.344998204799609 1.9735e-08 au
q 2.071376593413877 1.5131e-07 au
i 4.760564954077385 6.0581e-06 deg
node 64.95984312852941 6.493e-05 deg
peri 138.742645771706 7.0117e-05 deg
M 122.4123450863042 2.3178e-05 deg
tp 2458554.499941287621
(2019-Mar-11.99994129)
8.4955e-05 TDB
period 1311.632589207054
3.59
1.6558e-05
4.533e-08
d
yr
n .2744671053176847 3.4648e-09 deg/d
Q 2.61861981618534 2.2038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      1999-12-08  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:31  

Additional Information
 Earth MOID = 1.06994 au 
 Jupiter MOID = 2.34222 au 
 T_jup = 3.548 
[ 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 16.9   n/a MPO338934  

295238 (2008 GR20)          Discovered 2008-Apr-03 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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