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249988 (2001 WJ58)
Classification: Main-belt Asteroid          SPK-ID: 2249988
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06263443108782424 8.6428e-08  
a 2.834296159912768 3.2518e-08 au
q 2.656771632402227 2.4845e-07 au
i 1.758718582906942 1.0708e-05 deg
node 14.90461109235661 0.00016834 deg
peri 24.37085425891389 0.0001847 deg
M 324.6108375430856 7.2558e-05 deg
tp 2459171.830251786745
(2020-Nov-18.33025179)
0.00035147 TDB
period 1742.875116593139
4.77
2.9994e-05
8.212e-08
d
yr
n .2065552468863661 3.5547e-09 deg/d
Q 3.011820687423309 3.4554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6023 days (16.49 yr)  
   first obs. used      2001-10-15  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:50:14  

Additional Information
 Earth MOID = 1.66428 au 
 Jupiter MOID = 2.25285 au 
 T_jup = 3.308 
[ 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 MPO446306  

249988 (2001 WJ58)          Discovered 2001-Nov-19 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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