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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06827586984547845 5.453e-08  
a 2.770797565846439 3.4266e-08 au
q 2.58161895187254 1.5097e-07 au
i 4.533344132888678 6.7715e-06 deg
node 60.91824472513242 8.3985e-05 deg
peri 227.73742551972 9.9396e-05 deg
M 45.68686088025655 5.457e-05 deg
tp 2458786.706527542232
(2019-Oct-30.20652754)
0.00025451 TDB
period 1684.634238419674
4.61
3.1251e-05
8.556e-08
d
yr
n .2136962385008332 3.9641e-09 deg/d
Q 2.959976179820339 3.6606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1993-12-08  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52039  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:25:21  

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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