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91325 (1999 GD47)
Classification: Main-belt Asteroid          SPK-ID: 2091325
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0476771812418031 3.6931e-08  
a 2.270076649605758 9.0472e-09 au
q 2.161845793749719 8.1481e-08 au
i 8.771144839323121 4.1044e-06 deg
node 49.71216056809745 2.5224e-05 deg
peri 96.09770793673549 4.9881e-05 deg
M 95.97698009306023 4.2993e-05 deg
tp 2458667.438994296970
(2019-Jul-02.93899430)
0.00014885 TDB
period 1249.278336709832
3.42
7.4683e-06
2.045e-08
d
yr
n .2881663672709765 1.7227e-09 deg/d
Q 2.378307505461796 9.4785e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1586  
   data-arc span      8799 days (24.09 yr)  
   first obs. used      1996-05-15  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:38:54  

Additional Information
 Earth MOID = 1.19239 au 
 Jupiter MOID = 2.62078 au 
 T_jup = 3.596 
[ 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 14.3   n/a MPO385378  
diameter diameter 4.175 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91325 (1999 GD47)          Discovered 1999-Apr-06 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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