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266558 (2008 GR38)
Classification: Main-belt Asteroid          SPK-ID: 2266558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06616696281436492 4.1898e-08  
a 2.403023177514234 1.8373e-08 au
q 2.244022432285593 1.0732e-07 au
i 4.721065333057551 6.3432e-06 deg
node 163.2441269476329 6.0287e-05 deg
peri 109.084775759595 8.6479e-05 deg
M 50.1019564426926 5.7759e-05 deg
tp 2458811.140302712786
(2019-Nov-23.64030271)
0.00021886 TDB
period 1360.615350447851
3.73
1.5605e-05
4.272e-08
d
yr
n .2645861667527893 3.0345e-09 deg/d
Q 2.562023922742875 1.9589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      9000 days (24.64 yr)  
   first obs. used      1994-09-29  
   last obs. used      2019-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:57  

Additional Information
 Earth MOID = 1.23323 au 
 Jupiter MOID = 2.49104 au 
 T_jup = 3.517 
[ show covariance matrix ]

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 17.1   n/a MPO476120  

266558 (2008 GR38)          Discovered 2008-Apr-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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