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212218 (2005 GA224)
Classification: Main-belt Asteroid          SPK-ID: 2212218
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06827581648827571 4.2968e-08  
a 2.770797599515606 2.3267e-08 au
q 2.581619131084924 1.1318e-07 au
i 4.53334887092116 5.4488e-06 deg
node 60.91826675038787 6.695e-05 deg
peri 227.7374267256066 8.2921e-05 deg
M 45.6868287705111 4.6907e-05 deg
tp 2458786.706673904212
(2019-Oct-30.20667390)
0.00021982 TDB
period 1684.634269125759
4.61
2.1219e-05
5.809e-08
d
yr
n .2136962346057593 2.6916e-09 deg/d
Q 2.959976067946288 2.4855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      9810 days (26.86 yr)  
   first obs. used      1993-12-08  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:02:27  

Additional Information
 Earth MOID = 1.568 au 
 Jupiter MOID = 2.13939 au 
 T_jup = 3.329 
[ 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 16.3   n/a MPO437019  

212218 (2005 GA224)          Discovered 2005-Apr-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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