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164207 (2004 GU9)
Classification: Apollo [NEO, PHA]          SPK-ID: 2164207
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361882573525175 6.1948e-07  
a 1.001265315109902 3.0126e-09 au
q .8649047366975654 6.1917e-07 au
i 13.64903102627169 4.6546e-05 deg
node 38.64059398164437 3.4502e-05 deg
peri 280.2854268754637 5.0161e-05 deg
M 154.9151700379416 4.7848e-05 deg
tp 2457243.024269311770
(2015-Aug-08.52426931)
4.8918e-05 JED
period 365.950365182945
1.00
1.6516e-06
4.522e-09
d
yr
n .9837399665389859 4.4398e-09 deg/d
Q 1.137625893522239 3.4229e-09 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      4718 days (12.92 yr)  
   first obs. used      2001-05-11  
   last obs. used      2014-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59174  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 11:22:05  

Additional Information
 Earth MOID = .000389695 au 
 Jupiter MOID = 4.00854 au 
 T_jup = 6.041 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.1 mag n/a MPO291377  

164207 (2004 GU9)          Discovered 2004-Apr-13 by LINEAR at Socorro
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

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