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129756 (1999 EG13)
Classification: Main-belt Asteroid          SPK-ID: 2129756
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07349764091313077 3.3688e-08  
a 2.24032242227799 1.1088e-08 au
q 2.075664009355767 7.5697e-08 au
i 2.23492454017939 4.1126e-06 deg
node 132.060676041209 0.00012407 deg
peri 167.8252169869464 0.00012992 deg
M 340.629847167163 3.9908e-05 deg
tp 2459066.401418360602
(2020-Aug-04.90141836)
0.00013586 TDB
period 1224.797285522596
3.35
9.0925e-06
2.489e-08
d
yr
n .2939261902808638 2.182e-09 deg/d
Q 2.404980835200213 1.1903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      21320 days (58.37 yr)  
   first obs. used      1960-10-22  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62074  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:57:45  

Additional Information
 Earth MOID = 1.06007 au 
 Jupiter MOID = 2.7133 au 
 T_jup = 3.630 
[ 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 16.7   n/a MPO426810  

129756 (1999 EG13)          Discovered 1999-Mar-09 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 EG13 = 1999 FD17 = 2000 PN21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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