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118577 (2000 GM31)
Classification: Main-belt Asteroid          SPK-ID: 2118577
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09063263849211062 3.5103e-08  
a 2.292031552027214 1.0021e-08 au
q 2.084298684959821 8.4005e-08 au
i 5.278093059202565 4.6032e-06 deg
node 187.6165641976716 4.506e-05 deg
peri 326.0160280412132 5.3802e-05 deg
M 327.7319073634498 2.8838e-05 deg
tp 2459114.105696568470
(2020-Sep-21.60569657)		 0.00010165 TDB
period 1267.445560706109
3.47		 8.3125e-06
2.276e-08		 d
yr
n .2840358680174316 1.8628e-09 deg/d
Q 2.499764419094608 1.093e-08 au
   Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      9809 days (26.86 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:59:28  

Additional Information
 Earth MOID = 1.09611 au 
 Jupiter MOID = 2.48685 au 
 T_jup = 3.587 
[ 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 16.3   n/a MPO453656  
diameter diameter 1.622 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118577 (2000 GM31)          Discovered 2000-Apr-05 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 GM31 = 1993 FY45 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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