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118317 (1998 WK41)
Classification: Main-belt Asteroid          SPK-ID: 2118317
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08250166119629072 4.1544e-08  
a 2.38333792065318 1.4674e-08 au
q 2.186708583007179 9.5626e-08 au
i 5.794033919113305 5.0817e-06 deg
node 220.5116900182511 4.7096e-05 deg
peri 218.820373563204 5.7703e-05 deg
M 286.0013561954768 3.4581e-05 deg
tp 2459276.747350224682
(2021-Mar-03.24735022)
0.00012973 TDB
period 1343.930658291425
3.68
1.2412e-05
3.398e-08
d
yr
n .2678709632665703 2.4739e-09 deg/d
Q 2.57996725829918 1.5885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      1998-10-23  
   last obs. used      2018-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56292  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 15:11:14  

Additional Information
 Earth MOID = 1.20524 au 
 Jupiter MOID = 2.60848 au 
 T_jup = 3.525 
[ 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 16.3   n/a MPO245008  

118317 (1998 WK41)          Discovered 1998-Nov-18 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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