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277117 (2005 GW46)
Classification: Main-belt Asteroid          SPK-ID: 2277117
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869734076582355 6.7549e-08  
a 3.054278960918939 4.2346e-08 au
q 2.48321001565707 2.232e-07 au
i 17.70586150042839 8.0574e-06 deg
node 191.6166154761945 1.6123e-05 deg
peri 205.467377262547 2.2652e-05 deg
M 82.8658376223482 1.6901e-05 deg
tp 2458551.718959009989
(2019-Mar-09.21895901)
8.8024e-05 TDB
period 1949.671654713745
5.34
4.0547e-05
1.11e-07
d
yr
n .1846464757948466 3.84e-09 deg/d
Q 3.625347906180808 5.0264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      5886 days (16.11 yr)  
   first obs. used      2002-09-06  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54871  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:26:06  

Additional Information
 Earth MOID = 1.49913 au 
 Jupiter MOID = 1.86093 au 
 T_jup = 3.138 
[ 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 15.7   n/a MPO413219  

277117 (2005 GW46)          Discovered 2005-Apr-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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