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216728 (2005 GC97)
Classification: Main-belt Asteroid          SPK-ID: 2216728
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050134195314801 6.1511e-08  
a 2.465530681014151 3.2955e-08 au
q 1.960063805139661 1.6049e-07 au
i 3.149334962781818 1.0197e-05 deg
node 59.64631566213649 0.00010908 deg
peri 248.6093118555575 0.00011435 deg
M 299.7383398130515 4.4801e-05 deg
tp 2459437.202385687559
(2021-Aug-10.70238569)
0.00017944 TDB
period 1414.047647926845
3.87
2.835e-05
7.762e-08
d
yr
n .2545883093315852 5.1043e-09 deg/d
Q 2.970997556888641 3.9711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      6379 days (17.46 yr)  
   first obs. used      2002-10-07  
   last obs. used      2020-03-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:03  

Additional Information
 Earth MOID = .946052 au 
 Jupiter MOID = 2.29479 au 
 T_jup = 3.456 
[ 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 17.12   n/a E2021B55  

216728 (2005 GC97)          Discovered 2005-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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