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295909 (2008 WE100)
Classification: Main-belt Asteroid          SPK-ID: 2295909
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 .08254042014879732 8.1079e-08  
a 2.66008548586455 3.3048e-08 au
q 2.440520912229572 1.9963e-07 au
i 1.969918362528889 6.4964e-06 deg
node 143.160042431313 0.00024277 deg
peri 16.20733914477719 0.0002476 deg
M 140.6047979386734 4.9768e-05 deg
tp 2458381.572959599283
(2018-Sep-20.07295960)
0.00021615 TDB
period 1584.680877258833
4.34
2.9531e-05
8.085e-08
d
yr
n .2271750768033023 4.2335e-09 deg/d
Q 2.879650059499528 3.5776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2001-01-24  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:19  

Additional Information
 Earth MOID = 1.4493 au 
 Jupiter MOID = 2.09539 au 
 T_jup = 3.380 
[ 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 17.1   n/a MPO476299  

295909 (2008 WE100)          Discovered 2008-Nov-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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