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91328 (1999 GY62)
Classification: Main-belt Asteroid          SPK-ID: 2091328
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108421131932769 4.0433e-08  
a 2.549744844877334 1.2596e-08 au
q 2.012151253679733 9.9143e-08 au
i 12.00765256977766 6.5717e-06 deg
node 13.8306792377581 3.0082e-05 deg
peri 231.0654795353013 3.7127e-05 deg
M 34.79749914169037 2.3437e-05 deg
tp 2458856.756226200358
(2020-Jan-08.25622620)
9.628e-05 TDB
period 1487.11142594362
4.07
1.102e-05
3.017e-08
d
yr
n .2420800443864308 1.7938e-09 deg/d
Q 3.087338436074936 1.5252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      10707 days (29.31 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62913  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:59  

Additional Information
 Earth MOID = 1.02414 au 
 Jupiter MOID = 2.01083 au 
 T_jup = 3.379 
[ 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 15.9   n/a MPO337939  

91328 (1999 GY62)          Discovered 1999-Apr-12 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 GY62 = 1991 GZ12 = 2003 EL23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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