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186215 (2001 WE48)
Classification: Main-belt Asteroid          SPK-ID: 2186215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0952384345106659 4.0994e-08  
a 2.753471507911094 1.7445e-08 au
q 2.491235192027919 1.0911e-07 au
i 8.441193275143743 6.4549e-06 deg
node 164.8129309933967 2.4174e-05 deg
peri 241.182196789894 4.008e-05 deg
M 71.33314535922808 3.0604e-05 deg
tp 2458869.819808364060
(2020-Jan-21.31980836)
0.00014209 TDB
period 1668.857701275303
4.57
1.586e-05
4.342e-08
d
yr
n .2157164147218161 2.0501e-09 deg/d
Q 3.015707823794269 1.9106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      2001-10-18  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57037  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:13:54  

Additional Information
 Earth MOID = 1.51144 au 
 Jupiter MOID = 2.34914 au 
 T_jup = 3.322 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.03   n/a MPCxxxxx  

186215 (2001 WE48)          Discovered 2001-Nov-19 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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