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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457562.5 (2016-Jun-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0652852154760698 3.3455e-08  
q 2.722658619728765 9.3227e-08 au
tp 2457088.688664603556
(2015-Mar-07.18866460)
0.00019241 TDB
node 130.8082715202073 3.205e-05 deg
peri 227.1152034607213 5.0509e-05 deg
i 6.975509935293637 3.7749e-06 deg
  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
 Jupiter MOID = 2.23936 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.119248248459927E-15 -3.062546396364661E-15 -1.08582282805193E-12 -8.503089310957479E-15 -2.234133190847295E-13 -3.708732811497053E-16
q -3.062546396364661E-15 8.691322606523322E-15 1.43852221095699E-12 2.196042284479015E-14 3.13566983272169E-13 2.095703772845985E-15
tp -1.08582282805193E-12 1.43852221095699E-12 3.701980345675341E-8 1.547462241569587E-11 7.529686904704805E-9 -1.255313689082611E-11
node -8.503089310957479E-15 2.196042284479015E-14 1.547462241569587E-11 1.027186966584641E-9 -1.016125740623738E-9 -1.864748932672861E-11
peri -2.234133190847295E-13 3.13566983272169E-13 7.529686904704805E-9 -1.016125740623738E-9 2.551166304763894E-9 1.594711796500188E-11
i -3.708732811497053E-16 2.095703772845985E-15 -1.255313689082611E-11 -1.864748932672861E-11 1.594711796500188E-11 1.42496138413327E-11

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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