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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03853037283353916 5.361e-08  
a 3.062942309464321 3.2748e-08 AU
q 2.944926000313039 1.6954e-07 AU
i 10.63175156721378 5.8638e-06 deg
node 102.1744188589024 3.2683e-05 deg
peri 62.37316842885787 9.0198e-05 deg
M 15.29276885891036 8.2496e-05 deg
tp 2456917.325485216955
(2014-Sep-16.82548522)
0.00044882 JED
period 1957.972790810202
5.36
3.1401e-05
8.597e-08
d
yr
n .1838636377837679 2.9487e-09 deg/d
Q 3.180958618615603 3.401e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      9873 days (27.03 yr)  
   first obs. used      1988-03-17  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54065  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:39:39  

Additional Information
 Earth MOID = 1.97334 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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