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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271415914229583 7.3422e-08  
a 2.443030597657601 1.796e-08 au
q 2.132419799576432 1.6944e-07 au
i 4.823217385002319 6.1093e-06 deg
node 36.26013787468238 4.4645e-05 deg
peri 163.84897645 4.87e-05 deg
M 122.0617657798882 1.6291e-05 deg
tp 2458527.600413940634
(2019-Feb-13.10041394)
6.3407e-05 TDB
period 1394.735279255009
3.82
1.5381e-05
4.211e-08
d
yr
n .2581134967721561 2.8464e-09 deg/d
Q 2.753641395738769 2.0244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:02:24  

Additional Information
 Earth MOID = 1.13003 au 
 Jupiter MOID = 2.20232 au 
 T_jup = 3.484 
[ 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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