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101458 (1998 WJ6)
Classification: Main-belt Asteroid          SPK-ID: 2101458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2943916546500011 6.9422e-08  
a 2.532035024352949 7.7246e-09 au
q 1.786625043901928 1.7947e-07 au
i 4.050773266607645 4.8257e-06 deg
node 60.87028777585705 6.5928e-05 deg
peri 326.1138806621142 6.6277e-05 deg
M 185.6533705459522 6.8738e-06 deg
tp 2459913.211957249003
(2022-Nov-29.71195725)
3.0483e-05 TDB
period 1471.644765448514
4.03
6.7344e-06
1.844e-08
d
yr
n .2446242520288398 1.1194e-09 deg/d
Q 3.277445004803968 9.9987e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1994-12-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:53  

Additional Information
 Earth MOID = .791908 au 
 Jupiter MOID = 2.17637 au 
 T_jup = 3.385 
[ 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 16.03   n/a E2021B55  
diameter diameter 3.967 km 0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101458 (1998 WJ6)          Discovered 1998-Nov-22 by Boeuf, M. at Les Tardieux
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 WJ6 = 2002 NT51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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