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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09052483371511685 3.2557e-08  
a 2.291791509937006 9.2441e-09 au
q 2.084327464590242 7.6982e-08 au
i 5.278487972178843 4.5925e-06 deg
node 187.6122237861206 4.3688e-05 deg
peri 325.9780707275099 5.2707e-05 deg
M 24.57760080306826 2.8864e-05 deg
tp 2459113.983673397750
(2020-Sep-21.48367340)		 0.00010152 TDB
period 1267.246458528273
3.47		 7.6673e-06
2.099e-08		 d
yr
n .284080494032778 1.7188e-09 deg/d
Q 2.49925555528377 1.0081e-08 au
   Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      10223 days (27.99 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56376  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:54  

Additional Information
 Earth MOID = 1.09593 au 
 Jupiter MOID = 2.48645 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 16.42   n/a E2021B55  
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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