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103134 (1999 XE202)
Classification: Main-belt Asteroid          SPK-ID: 2103134
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04501868332209637 3.7836e-08  
a 2.32689145275033 9.7867e-09 au
q 2.22213786331407 9.183e-08 au
i 6.946453764567734 4.6857e-06 deg
node 9.377454328769391 3.1005e-05 deg
peri 140.1620806763572 6.5264e-05 deg
M 273.4479100380963 5.6383e-05 deg
tp 2459512.200624071764
(2021-Oct-24.70062407)
0.00020305 TDB
period 1296.470422785003
3.55
8.1793e-06
2.239e-08
d
yr
n .2776769864341901 1.7518e-09 deg/d
Q 2.43164504218659 1.0227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      16332 days (44.71 yr)  
   first obs. used      1976-05-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49795  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:25  

Additional Information
 Earth MOID = 1.23532 au 
 Jupiter MOID = 2.54308 au 
 T_jup = 3.562 
[ 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 15.5   n/a MPO436484  

103134 (1999 XE202)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XE202 = 1976 JG7 = 2002 QQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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