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146239 (2000 WN171)
Classification: Main-belt Asteroid          SPK-ID: 2146239
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2605389844069824 4.1402e-08  
a 3.162147272999684 2.1998e-08 au
q 2.338284633947037 1.3246e-07 au
i 12.60216853198363 5.0359e-06 deg
node 129.2925150485265 2.7908e-05 deg
peri 330.4452260888195 3.0143e-05 deg
M 141.3818904775852 1.137e-05 deg
tp 2458193.891396906986
(2018-Mar-16.39139691)
6.2176e-05 TDB
period 2053.863448370865
5.62
2.1432e-05
5.868e-08
d
yr
n .1752794229263654 1.8291e-09 deg/d
Q 3.986009912052331 2.773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      8567 days (23.46 yr)  
   first obs. used      1996-01-13  
   last obs. used      2019-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:35:55  

Additional Information
 Earth MOID = 1.36383 au 
 Jupiter MOID = 1.2318 au 
 T_jup = 3.115 
[ 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 15.1   n/a MPO436735  

146239 (2000 WN171)          Discovered 2000-Nov-25 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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