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JPL Small-Body Database Browser
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146227 (2000 WA71)
Classification: Outer Main-belt Asteroid          SPK-ID: 2146227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06829333240444423 5.8686e-08  
a 3.222889320589013 3.9171e-08 au
q 3.002787468915294 1.9602e-07 au
i 10.8761321388389 7.3634e-06 deg
node 18.55100005826146 3.0717e-05 deg
peri 49.49118060947794 5.811e-05 deg
M 52.64877349849806 4.8001e-05 deg
tp 2458291.433259839882
(2018-Jun-21.93325984)
0.00028194 TDB
period 2113.326086519688
5.79
3.8528e-05
1.055e-07
d
yr
n .17034758729206 3.1056e-09 deg/d
Q 3.442991172262731 4.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1997-05-05  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:35:37  

Additional Information
 Earth MOID = 2.02823 au 
 Jupiter MOID = 1.83018 au 
 T_jup = 3.157 
[ 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 14.8   n/a MPO338248  

146227 (2000 WA71)          Discovered 2000-Nov-19 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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