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295234 (2008 GW18)
Classification: Main-belt Asteroid          SPK-ID: 2295234
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2353092329782584 4.7522e-08  
a 3.122073346936031 4.1349e-08 au
q 2.38742066236665 1.6356e-07 au
i 7.902639535711701 6.2775e-06 deg
node 93.85143214928065 6.6367e-05 deg
peri 192.2810992449085 6.9436e-05 deg
M 18.60666981291194 2.1639e-05 deg
tp 2458896.357204899660
(2020-Feb-16.85720490)
0.00012 TDB
period 2014.944458793246
5.52
4.0029e-05
1.096e-07
d
yr
n .1786649743266892 3.5494e-09 deg/d
Q 3.856726031505413 5.1079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1997-05-03  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:31  

Additional Information
 Earth MOID = 1.37169 au 
 Jupiter MOID = 1.3256 au 
 T_jup = 3.158 
[ 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 15.6   n/a MPO476295  

295234 (2008 GW18)          Discovered 2008-Apr-04 by Mt. Lemmon Survey at Mount Lemmon
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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