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266552 (2008 GN20)
Classification: Main-belt Asteroid          SPK-ID: 2266552
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309447107200801 6.9641e-08  
a 2.168508914712704 2.1143e-08 au
q 1.884554142181735 1.4099e-07 au
i .654767531302481 1.204e-05 deg
node 308.1580963100463 0.00051561 deg
peri 295.3340811647028 0.00051761 deg
M 254.8534719952635 4.3264e-05 deg
tp 2459341.169050858335
(2021-May-06.66905086)
0.00014087 TDB
period 1166.380484798091
3.19
1.7059e-05
4.67e-08
d
yr
n .308647139327197 4.514e-09 deg/d
Q 2.452463687243674 2.3912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      4808 days (13.16 yr)  
   first obs. used      2005-06-14  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:30:10  

Additional Information
 Earth MOID = .871567 au 
 Jupiter MOID = 2.55751 au 
 T_jup = 3.679 
[ 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 18.0   n/a MPO241574  

266552 (2008 GN20)          Discovered 2008-Apr-07 by Dillon, W. G. at Mayhill
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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