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146765 (2001 XE199)
Classification: Main-belt Asteroid          SPK-ID: 2146765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .08802438567846012 5.6975e-08  
a 3.082844563298656 3.1655e-08 au
q 2.811479064472111 1.6547e-07 au
i 12.10465025274394 5.1224e-06 deg
node 122.8515944339407 2.7649e-05 deg
peri 30.27745477833523 4.3161e-05 deg
M 115.0455609740406 3.3887e-05 deg
tp 2458368.680195963981
(2018-Sep-07.18019596)
0.00018431 TDB
period 1977.087403696443
5.41
3.0452e-05
8.337e-08
d
yr
n .1820860318703813 2.8045e-09 deg/d
Q 3.354210062125201 3.4442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:16  

Additional Information
 Earth MOID = 1.83025 au 
 Jupiter MOID = 1.69312 au 
 T_jup = 3.187 
[ 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 MPO436736  

146765 (2001 XE199)          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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