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10945 (1999 GS9)
Classification: Main-belt Asteroid          SPK-ID: 2010945
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03819351782641985 5.0298e-08  
a 3.06320267146394 2.9572e-08 au
q 2.946208185625445 1.5437e-07 au
i 10.63086252639008 5.1335e-06 deg
node 102.1716482291188 3.2297e-05 deg
peri 62.78906117831853 8.9227e-05 deg
M 125.2356136640804 8.0417e-05 deg
tp 2456919.280027503300
(2014-Sep-18.78002750)
0.0004396 JED
period 1958.222449060036
5.36
2.8357e-05
7.764e-08
d
yr
n .1838401965889029 2.6622e-09 deg/d
Q 3.180197157302434 3.0702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      10003 days (27.39 yr)  
   first obs. used      1988-03-17  
   last obs. used      2015-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53053  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:31:41  

Additional Information
 Earth MOID = 1.97301 au 
 Jupiter MOID = 1.89421 au 
 T_jup = 3.206 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO302133  

[ show close-approach data ]
Alternate Designations
 1999 GS9 = 1988 FD1 = 1998 BJ40 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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