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186844 (2004 GA1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2186844
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 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .672624372950953 3.7111e-08  
a 2.431787575426156 9.2801e-09 au
q .7961079823552193 8.9544e-08 au
i 7.775457319622313 7.4624e-06 deg
node 261.557324972893 6.4808e-05 deg
peri 54.58124397345603 6.4668e-05 deg
M 111.0126294701831 9.1415e-06 deg
tp 2458773.373252630942
(2019-Oct-16.87325263)
3.3105e-05 TDB
period 1385.11834001879
3.79
7.9287e-06
2.171e-08
d
yr
n .2599055904458795 1.4878e-09 deg/d
Q 4.067467168497092 1.5522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      2000-04-12  
   last obs. used      2019-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:57  

Additional Information
 Earth MOID = .0182067 au 
 Jupiter MOID = 1.38266 au 
 T_jup = 3.142 
[ 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 17.3   n/a MPO470015  

186844 (2004 GA1)          Discovered 2004-Apr-11 by Broughton, J. at Reedy Creek
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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