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118237 (1997 GD16)
Classification: Main-belt Asteroid          SPK-ID: 2118237
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115701789317271 3.9913e-08  
a 2.189516227420055 8.3194e-09 au
q 1.936185282168354 8.7713e-08 au
i 2.759189437472087 4.1561e-06 deg
node 56.00059615577339 9.3689e-05 deg
peri 27.92331247979179 9.6419e-05 deg
M 151.0296786796107 2.0157e-05 deg
tp 2458504.044327918535
(2019-Jan-20.54432792)
6.6377e-05 TDB
period 1183.37033827945
3.24
6.7446e-06
1.847e-08
d
yr
n .3042158387402364 1.7339e-09 deg/d
Q 2.442847172671756 9.282e-09 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      9397 days (25.73 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:55:56  

Additional Information
 Earth MOID = .952701 au 
 Jupiter MOID = 2.73179 au 
 T_jup = 3.664 
[ 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 16.4   n/a MPO299668  

118237 (1997 GD16)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1997 GD16 = 1994 JY8 = 2000 CR86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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