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17476 (1991 GG7)
Classification: Main-belt Asteroid          SPK-ID: 2017476
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593257514546558 2.9577e-08  
a 2.39937486604015 8.26e-09 au
q 2.017092662486889 7.2998e-08 au
i 4.205534352611353 4.7872e-06 deg
node 18.67752445681306 4.4741e-05 deg
peri 93.67615643725883 4.7843e-05 deg
M 68.05943369162249 1.5392e-05 deg
tp 2458943.855822985612
(2020-Apr-04.35582299)
5.7925e-05 TDB
period 1357.517962077201
3.72
7.01e-06
1.919e-08
d
yr
n .2651898612443752 1.3694e-09 deg/d
Q 2.781657069593411 9.5761e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1386  
   data-arc span      13931 days (38.14 yr)  
   first obs. used      1982-12-22  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52777  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:04:07  

Additional Information
 Earth MOID = 1.03868 au 
 Jupiter MOID = 2.32697 au 
 T_jup = 3.506 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.87   n/a E2021B10  

17476 (1991 GG7)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 GG7 = 1982 YD3 = 1998 AO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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