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146752 (2001 XU143)
Classification: Main-belt Asteroid          SPK-ID: 2146752
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187586802189125 5.1351e-08  
a 2.915700699500078 1.7603e-08 au
q 2.569435932514088 1.5444e-07 au
i .8909832064450274 3.4386e-06 deg
node 264.6205909257549 0.00030073 deg
peri 89.04728482088102 0.00030119 deg
M 4.358114311518181 1.4906e-05 deg
tp 2459178.485493460986
(2020-Nov-24.98549346)
7.5343e-05 TDB
period 1818.498044693118
4.98
1.6469e-05
4.509e-08
d
yr
n .1979655689213304 1.7928e-09 deg/d
Q 3.261965466486067 1.9694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      7405 days (20.27 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:02:30  

Additional Information
 Earth MOID = 1.56274 au 
 Jupiter MOID = 2.16458 au 
 T_jup = 3.271 
[ 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 15.91   n/a E2021B55  

146752 (2001 XU143)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 XU143 = 2004 HL59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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