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118316 (1998 WC15)
Classification: Main-belt Asteroid          SPK-ID: 2118316
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023962360383484 5.0748e-08  
a 2.39515582998601 1.1264e-08 au
q 1.910385305271535 1.2461e-07 au
i 2.529353596829379 4.6833e-06 deg
node 147.5164613073397 0.00011335 deg
peri 248.8989665852363 0.00011391 deg
M 305.4524731756443 1.468e-05 deg
tp 2459205.650061620117
(2020-Dec-22.15006162)
5.6136e-05 TDB
period 1353.938968141559
3.71
9.5507e-06
2.615e-08
d
yr
n .2658908624914921 1.8756e-09 deg/d
Q 2.879926354700485 1.3543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      7955 days (21.78 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:02:45  

Additional Information
 Earth MOID = .919126 au 
 Jupiter MOID = 2.54683 au 
 T_jup = 3.500 
[ 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 16.4   n/a MPO436568  

118316 (1998 WC15)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 WC15 = 2002 UW33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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