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JPL Small-Body Database Browser
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17475 (1991 GA7)
Classification: Main-belt Asteroid          SPK-ID: 2017475
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405755842379889 3.6969e-08  
a 2.40845220733056 8.1123e-09 au
q 2.069882631175793 9.0401e-08 au
i 3.809386211365723 4.5693e-06 deg
node 194.1332004531266 4.4609e-05 deg
peri 306.7192175654367 4.6684e-05 deg
M 229.556658300045 1.3653e-05 deg
tp 2459095.180614056898
(2020-Sep-02.68061406)
5.2506e-05 TDB
period 1365.228908886076
3.74
6.8977e-06
1.888e-08
d
yr
n .2636920428924501 1.3323e-09 deg/d
Q 2.747021783485328 9.2527e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1604  
   data-arc span      10467 days (28.66 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50082  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:19:58  

Additional Information
 Earth MOID = 1.08574 au 
 Jupiter MOID = 2.27918 au 
 T_jup = 3.505 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO263503  

17475 (1991 GA7)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 GA7 = 1993 VF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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