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295276 (2008 GW81)
Classification: Main-belt Asteroid          SPK-ID: 2295276
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331391150686089 5.6945e-08  
a 2.238716275120706 1.4954e-08 au
q 1.940655571361443 1.2473e-07 au
i 5.161989010313208 7.2883e-06 deg
node 156.3388909661245 5.2442e-05 deg
peri 321.223105484661 5.9684e-05 deg
M 287.7782032735774 3.2831e-05 deg
tp 2459245.949866064638
(2021-Jan-31.44986606)
0.000113 TDB
period 1223.48038664818
3.35
1.2259e-05
3.356e-08
d
yr
n .2942425591196014 2.9482e-09 deg/d
Q 2.536776978879969 1.6945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      6775 days (18.55 yr)  
   first obs. used      2001-02-02  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:42:52  

Additional Information
 Earth MOID = .9597 au 
 Jupiter MOID = 2.5375 au 
 T_jup = 3.619 
[ 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 17.3   n/a MPO437320  

295276 (2008 GW81)          Discovered 2008-Apr-08 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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