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115911 (2003 WB4)
Classification: Main-belt Asteroid          SPK-ID: 2115911
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0904438796732409 3.9725e-08  
a 2.264370028945971 1.179e-08 au
q 2.059571618512289 9.0326e-08 au
i 7.607908660582334 4.132e-06 deg
node 64.82385222442242 3.2175e-05 deg
peri 169.2946936840366 4.3058e-05 deg
M 189.4261862790165 3.2444e-05 deg
tp 2459790.197630396797
(2022-Jul-29.69763040)
0.00011496 TDB
period 1244.570560461892
3.41
9.72e-06
2.661e-08
d
yr
n .2892564001083191 2.2591e-09 deg/d
Q 2.469168439379654 1.2856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      8334 days (22.82 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:44  

Additional Information
 Earth MOID = 1.04698 au 
 Jupiter MOID = 2.51915 au 
 T_jup = 3.600 
[ 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 16.16   n/a MPCxxxxx  

115911 (2003 WB4)          Discovered 2003-Nov-16 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 WB4 = 1998 FS88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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