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146749 (2001 XL136)
Classification: Main-belt Asteroid          SPK-ID: 2146749
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082523548166413 6.6879e-08  
a 3.088722049647563 2.8317e-08 au
q 2.445488409434375 2.1324e-07 au
i 14.88333323875618 6.5457e-06 deg
node 76.62085399361315 2.3256e-05 deg
peri 111.91237181273 2.6952e-05 deg
M 60.24693547319754 1.2737e-05 deg
tp 2458668.682620128822
(2019-Jul-04.18262013)
6.9266e-05 TDB
period 1982.744114956131
5.43
2.7266e-05
7.465e-08
d
yr
n .1815665457203816 2.4968e-09 deg/d
Q 3.731955689860751 3.4214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      7677 days (21.02 yr)  
   first obs. used      1998-05-24  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:16  

Additional Information
 Earth MOID = 1.49012 au 
 Jupiter MOID = 1.4817 au 
 T_jup = 3.141 
[ 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 14.9   n/a MPO475271  

146749 (2001 XL136)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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