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118218 (1996 GM17)
Classification: Main-belt Asteroid          SPK-ID: 2118218
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272884769694687 7.2967e-08  
a 2.442487186563916 1.5933e-08 au
q 2.131586712568753 1.6865e-07 au
i 4.823659019069018 5.3092e-06 deg
node 36.25438171018653 4.142e-05 deg
peri 163.7551439375506 4.3221e-05 deg
M 173.8084065813905 1.2921e-05 deg
tp 2458527.344892494339
(2019-Feb-12.84489249)
4.776e-05 TDB
period 1394.269952003487
3.82
1.3643e-05
3.735e-08
d
yr
n .2581996402365987 2.5264e-09 deg/d
Q 2.753387660559079 1.7961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      9054 days (24.79 yr)  
   first obs. used      1996-03-24  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53794  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:14  

Additional Information
 Earth MOID = 1.12842 au 
 Jupiter MOID = 2.20143 au 
 T_jup = 3.485 
[ 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 15.8   n/a MPO436568  

118218 (1996 GM17)          Discovered 1996-Apr-15 by Elst, E. W. at La Silla
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1996 GM17 = 2001 SN220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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