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47391 (1999 XL108)
Classification: Main-belt Asteroid          SPK-ID: 2047391
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08644219757332178 2.9364e-08  
a 2.333654776032473 7.6641e-09 au
q 2.131928528814748 6.9167e-08 au
i 3.834318028804195 3.9021e-06 deg
node 192.8900189505116 4.3284e-05 deg
peri 299.4794402735063 4.9325e-05 deg
M 201.0756081121273 2.5122e-05 deg
tp 2459575.332612706062
(2021-Dec-26.83261271)
9.2155e-05 TDB
period 1302.126993320109
3.57
6.4146e-06
1.756e-08
d
yr
n .276470729695947 1.362e-09 deg/d
Q 2.535381023250198 8.3266e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1284  
   data-arc span      9189 days (25.16 yr)  
   first obs. used      1995-09-17  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:46  

Additional Information
 Earth MOID = 1.14913 au 
 Jupiter MOID = 2.48884 au 
 T_jup = 3.561 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO337637  

47391 (1999 XL108)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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