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115917 (2003 WE8)
Classification: Main-belt Asteroid          SPK-ID: 2115917
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285165475187581 6.1113e-08  
a 2.681495602314496 1.9143e-08 au
q 2.336879045318303 1.6452e-07 au
i 10.19711801977536 4.3773e-06 deg
node 276.9089037269196 3.8165e-05 deg
peri 231.3257257797864 4.3449e-05 deg
M 238.513043308321 2.4622e-05 deg
tp 2459741.741654046081
(2022-Jun-11.24165405)
0.00011317 TDB
period 1603.851152112488
4.39
1.7174e-05
4.702e-08
d
yr
n .2244597321427438 2.4036e-09 deg/d
Q 3.026112159310688 2.1603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7657 days (20.96 yr)  
   first obs. used      2000-01-03  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:46  

Additional Information
 Earth MOID = 1.36449 au 
 Jupiter MOID = 2.08441 au 
 T_jup = 3.342 
[ 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 15.58   n/a E2021B55  

115917 (2003 WE8)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 WE8 = 2000 AB46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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