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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187586798671253 5.1896e-08  
a 2.915700700312737 1.7676e-08 au
q 2.569435934255944 1.5579e-07 au
i .8909832241394253 3.4802e-06 deg
node 264.6205905036924 0.00031056 deg
peri 89.04728550848934 0.00031103 deg
M 4.35811412523829 1.5215e-05 deg
tp 2459178.485494392754
(2020-Nov-24.98549439)
7.6907e-05 TDB
period 1818.498045453391
4.98
1.6537e-05
4.528e-08
d
yr
n .1979655688385655 1.8002e-09 deg/d
Q 3.261965466369531 1.9775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      7405 days (20.27 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:30:33  

Additional Information
 Earth MOID = 1.56274 au 
 Jupiter MOID = 2.16458 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457757.5 (2017-Jan-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216582608861451 5.1777e-08  
q 2.560251501690766 1.561e-07 au
tp 2457362.826503696200
(2015-Dec-06.32650370)
8.0449e-05 TDB
node 264.712063662542 0.00031081 deg
peri 89.62672927717934 0.00031125 deg
i .8903197054675522 3.4788e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      7405 days (20.27 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:30:33  

Additional Information
 Jupiter MOID = 2.16458 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.680807274204093E-15 -8.044477439316758E-15 -8.018931244105229E-14 3.982410395249585E-14 2.94477420392635E-14 -6.815128570543433E-16
q -8.044477439316758E-15 2.436727030414633E-14 -3.207280730990027E-13 -1.172068433238452E-13 -1.982216093430383E-13 2.076974462043372E-15
tp -8.018931244105229E-14 -3.207280730990027E-13 6.472043568245577E-9 4.066669442345921E-13 1.370241077062704E-9 4.507908049098379E-13
node 3.982410395249585E-14 -1.172068433238452E-13 4.066669442345921E-13 9.659997362764867E-8 -9.658662795515643E-8 2.881024863537381E-10
peri 2.94477420392635E-14 -1.982216093430383E-13 1.370241077062704E-9 -9.658662795515643E-8 9.687483149619325E-8 -2.879933809385425E-10
i -6.815128570543433E-16 2.076974462043372E-15 4.507908049098379E-13 2.881024863537381E-10 -2.879933809385425E-10 1.210209754816909E-11

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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