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146235 (2000 WA145)
Classification: Main-belt Asteroid          SPK-ID: 2146235
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2347693674761385 4.9793e-08  
a 3.097095618186574 2.9541e-08 au
q 2.369992438891792 1.5144e-07 au
i 19.34425772984525 8.1466e-06 deg
node 125.2436872799805 1.5025e-05 deg
peri 308.1739678198246 2.2003e-05 deg
M 206.8781420279856 1.9301e-05 deg
tp 2459847.269169001508
(2022-Sep-24.76916900)
0.00011462 TDB
period 1990.812447536111
5.45
2.8483e-05
7.798e-08
d
yr
n .1808306957521522 2.5872e-09 deg/d
Q 3.824198797481356 3.6476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2000-10-05  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51035  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:39:52  

Additional Information
 Earth MOID = 1.43384 au 
 Jupiter MOID = 1.6015 au 
 T_jup = 3.095 
[ 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 15.2   n/a MPO436735  

146235 (2000 WA145)          Discovered 2000-Nov-21 by NEAT at Haleakala
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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