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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136167800969286 5.1374e-07  
a 1.001408835864233 2.4707e-09 au
q .8650491968133874 5.1396e-07 au
i 13.64913559078339 3.8772e-05 deg
node 38.62350369525568 3.2487e-05 deg
peri 280.2457320438414 4.5262e-05 deg
M 351.7034460510081 4.439e-05 deg
tp 2457608.935499348998
(2016-Aug-08.43549935)
4.5122e-05 JED
period 366.0290506527999
1.00
1.3546e-06
3.709e-09
d
yr
n .9835284914078616 3.6399e-09 deg/d
Q 1.137768474915078 2.8071e-09 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5470 days (14.98 yr)  
   first obs. used      2001-05-11  
   last obs. used      2016-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58779  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-May-02 05:48:32  

Additional Information
 Earth MOID = .000213474 au 
 Jupiter MOID = 4.00915 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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