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115916 (2003 WB8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2115916
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5570528620991829 4.9861e-08  
a 3.2331695804432 3.4674e-08 au
q 1.432123212005301 1.6285e-07 au
i 20.31481141127333 6.2945e-06 deg
node 124.980679359949 1.3609e-05 deg
peri 351.9731718640421 1.3975e-05 deg
M 296.3627436732215 6.5025e-06 deg
tp 2459575.861822665006
(2021-Dec-27.36182267)
4.3552e-05 TDB
period 2123.44566625415
5.81
3.4159e-05
9.352e-08
d
yr
n .1695357718453214 2.7272e-09 deg/d
Q 5.0342159488811 5.3989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      12295 days (33.66 yr)  
   first obs. used      1987-03-31  
   last obs. used      2020-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:46  

Additional Information
 Earth MOID = .450136 au 
 Jupiter MOID = .137668 au 
 T_jup = 2.837 
[ 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 14.18   n/a E2021B55  

115916 (2003 WB8)          Discovered 2003-Nov-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2179-May-16 23:37 00:03 Mars 0.0732888239295332 0.0732855292597117 0.0732921200349165 11.318503301359 11.318158168698 2517059.484163251 2.60674369919406 544.476173888872 28.0018552596896 -72.6752128201946 370272.414995032 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 16:45:48 2021-Apr-13 16:45

Alternate Designations
 2003 WB8 = 1987 FJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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