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15442 (1998 WN11)
Classification: Jupiter Trojan          SPK-ID: 2015442
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681807175291341 5.4677e-08  
a 5.190353907290016 1.1051e-07 au
q 4.317436462931836 3.4755e-07 au
i 4.510527728132527 5.2098e-06 deg
node 110.3647962195308 7.3623e-05 deg
peri 320.0614924870734 7.6397e-05 deg
M 286.1510608661238 2.4551e-05 deg
tp 2459886.503921742125
(2022-Nov-03.00392174)
0.00031511 TDB
period 4319.106212872459
11.83
0.00013794
3.777e-07
d
yr
n .08335057816524009 2.6619e-09 deg/d
Q 6.063271351648195 1.2909e-07 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      25083 days (68.67 yr)  
   first obs. used      1951-11-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:59:24  

Additional Information
 Earth MOID = 3.33361 au 
 Jupiter MOID = .210651 au 
 T_jup = 2.965 
[ 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 11.9   n/a MPO309273  

15442 (1998 WN11)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WN11 = 1999 XF89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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