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146240 (2000 WS180)
Classification: Main-belt Asteroid          SPK-ID: 2146240
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3276298244400336 5.2477e-08  
a 3.09883313997259 2.6411e-08 au
q 2.083562982354413 1.6942e-07 au
i 14.31171428322382 5.6456e-06 deg
node 102.2920107577329 2.5801e-05 deg
peri 253.7053161346541 2.7244e-05 deg
M 225.2339297735029 1.1554e-05 deg
tp 2459746.388271658599
(2022-Jun-15.88827166)
7.1296e-05 TDB
period 1992.488000472247
5.46
2.5472e-05
6.974e-08
d
yr
n .1806786288874387 2.3098e-09 deg/d
Q 4.114103297590768 3.5064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      7181 days (19.66 yr)  
   first obs. used      2000-08-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:53:07  

Additional Information
 Earth MOID = 1.13081 au 
 Jupiter MOID = 1.64123 au 
 T_jup = 3.092 
[ 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 14.9   n/a MPO432919  

146240 (2000 WS180)          Discovered 2000-Nov-29 by LONEOS at Anderson Mesa
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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