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186240 (2001 XS143)
Classification: Main-belt Asteroid          SPK-ID: 2186240
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887571444459004 5.1561e-08  
a 2.583638547354087 1.8633e-08 au
q 2.095958312875175 1.3845e-07 au
i 2.723656199163877 4.8486e-06 deg
node 133.8803355676914 0.00010054 deg
peri 204.3723669414609 0.00010103 deg
M 284.458250210889 1.0743e-05 deg
tp 2459518.795573968291
(2021-Oct-31.29557397)
4.6456e-05 TDB
period 1516.86195975701
4.15
1.6409e-05
4.493e-08
d
yr
n .2373320773748386 2.5674e-09 deg/d
Q 3.071318781832998 2.215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2001-11-20  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:28  

Additional Information
 Earth MOID = 1.08531 au 
 Jupiter MOID = 2.31586 au 
 T_jup = 3.396 
[ 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 16.37   n/a E2021B55  

186240 (2001 XS143)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2001 XS143 = 2005 UX255 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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