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212196 (2005 GR117)
Classification: Main-belt Asteroid          SPK-ID: 2212196
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0129336996228974 6.2918e-08  
a 2.744921136644245 2.3704e-08 au
q 2.709419151174346 1.7378e-07 au
i 5.749427971336778 7.1355e-06 deg
node 38.72513967065076 5.0273e-05 deg
peri 17.38371183832858 0.00022997 deg
M 258.9515422990154 0.00022752 deg
tp 2459466.751693762218
(2021-Sep-09.25169376)
0.0010515 TDB
period 1661.09026870148
4.55
2.1516e-05
5.891e-08
d
yr
n .216725127335447 2.8073e-09 deg/d
Q 2.780423122114144 2.401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      8507 days (23.29 yr)  
   first obs. used      1996-04-13  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:43:09  

Additional Information
 Earth MOID = 1.71878 au 
 Jupiter MOID = 2.23683 au 
 T_jup = 3.341 
[ 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 16.1   n/a MPO437019  

212196 (2005 GR117)          Discovered 2005-Apr-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 GR117 = 1996 GY9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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