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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2941996571328099 7.0333e-08  
a 2.53244902122399 7.8382e-09 au
q 1.787403387473572 1.8185e-07 au
i 4.050443193730096 4.8393e-06 deg
node 60.87502932841193 6.713e-05 deg
peri 326.12557512621 6.75e-05 deg
M 136.7132339580277 6.9517e-06 deg
tp 2458441.492608640981
(2018-Nov-18.99260864)
2.6698e-05 TDB
period 1472.005709052499
4.03
6.834e-06
1.871e-08
d
yr
n .2445642688653191 1.1354e-09 deg/d
Q 3.277494654974408 1.0144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      9268 days (25.37 yr)  
   first obs. used      1994-12-03  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:59:48  

Additional Information
 Earth MOID = .793899 au 
 Jupiter MOID = 2.17512 au 
 T_jup = 3.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456979.5 (2014-Nov-18.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2914693517006361 6.992e-08  
q 1.795702485561224 1.8036e-07 au
tp 2456965.483200916458
(2014-Nov-03.98320092)
2.4069e-05 TDB
node 61.0413117556196 6.7262e-05 deg
peri 325.6248749838135 6.7654e-05 deg
i 4.044455209408561 4.825e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      9268 days (25.37 yr)  
   first obs. used      1994-12-03  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:59:48  

Additional Information
 Jupiter MOID = 2.17512 au 
 T_jup = 3.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.888795459753413E-15 -1.260774468947692E-14 -8.908671989718876E-13 -7.954319359922466E-16 -2.748476948684838E-13 -1.747153175865787E-14
q -1.260774468947692E-14 3.253149668889519E-14 2.313864458297829E-12 2.717346936739254E-15 7.127784471773847E-13 4.515746641315806E-14
tp -8.908671989718876E-13 2.313864458297829E-12 5.793111550472303E-10 8.075453668123529E-13 1.995732319467204E-10 3.795955061722495E-12
node -7.954319359922466E-16 2.717346936739254E-15 8.075453668123529E-13 4.524156367967611E-9 -4.512145286644868E-9 -2.048836154520179E-10
peri -2.748476948684838E-13 7.127784471773847E-13 1.995732319467204E-10 -4.512145286644868E-9 4.577046847705903E-9 2.055612392892397E-10
i -1.747153175865787E-14 4.515746641315806E-14 3.795955061722495E-12 -2.048836154520179E-10 2.055612392892397E-10 2.328026963969048E-11

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 16.0   n/a MPO469021  
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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