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147421 Gardonyi (2003 GG)
Classification: Main-belt Asteroid          SPK-ID: 2147421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06264186422832931 3.2861e-08  
a 2.913867325760093 2.0198e-08 au
q 2.731337244360465 9.1483e-08 au
i 6.977910834174012 3.7775e-06 deg
node 130.6159605452028 3.2019e-05 deg
peri 229.0946596382302 5.231e-05 deg
M 56.52043526295274 3.8553e-05 deg
tp 2458915.262852825708
(2020-Mar-06.76285283)
0.00019582 TDB
period 1816.783124634781
4.97
1.889e-05
5.172e-08
d
yr
n .1981524349926847 2.0603e-09 deg/d
Q 3.096397407159722 2.1463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      10595 days (29.01 yr)  
   first obs. used      1992-02-05  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:05:25  

Additional Information
 Earth MOID = 1.73087 au 
 Jupiter MOID = 2.23936 au 
 T_jup = 3.268 
[ 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 15.6   n/a MPO449803  

147421 Gárdonyi           Discovered 2003 Apr. 1 by K. Sárneczky at Piszkesteto.
Géza Gárdonyi (1863-1922) was a Hungarian writer and journalist. Although he wrote a range of works, he had his greatest success as a historical novelist, particularly with Eclipse of the Crescent Moon and Slave of the Huns.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121228/MPCPages.arcLast Updated: 2013-01-02

[ show close-approach data ]
Alternate Designations
 2003 GG = 2005 UQ494 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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