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43371 (2000 WJ8)
Classification: Main-belt Asteroid          SPK-ID: 2043371
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813387943071161 3.9246e-08  
a 2.175487613441372 4.4773e-09 au
q 1.780987312589849 8.525e-08 au
i 4.305600373073551 4.3755e-06 deg
node 10.46511689791512 3.527e-05 deg
peri 14.56917352650177 3.6176e-05 deg
M 185.6690943889691 7.2461e-06 deg
tp 2459964.051446228391
(2023-Jan-19.55144623)
2.3965e-05 TDB
period 1172.015483577529
3.21
3.6181e-06
9.906e-09
d
yr
n .3071631774873101 9.4823e-10 deg/d
Q 2.569987914292896 5.2892e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      12279 days (33.62 yr)  
   first obs. used      1987-10-27  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:04:39  

Additional Information
 Earth MOID = .784318 au 
 Jupiter MOID = 2.88849 au 
 T_jup = 3.660 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457412.5 (2016-Jan-25.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817855598547091 3.939e-08  
q 1.780083223399845 8.5634e-08 au
tp 2457618.555741646520
(2016-Aug-18.05574165)
2.3009e-05 TDB
node 10.5321011171153 3.5211e-05 deg
peri 14.25225236444622 3.6109e-05 deg
i 4.310091251876871 4.3782e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      12279 days (33.62 yr)  
   first obs. used      1987-10-27  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:04:39  

Additional Information
 Jupiter MOID = 2.88849 au 
 T_jup = 3.660 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.551564714078086E-15 -3.370078453067187E-15 -1.666093066092804E-13 7.735596996056995E-15 -7.268027337377486E-14 -2.293244018222809E-15
q -3.370078453067187E-15 7.333223035035541E-15 3.59638725848154E-13 -1.718853472554072E-14 1.5669028564949E-13 5.025136236823238E-15
tp -1.666093066092804E-13 3.59638725848154E-13 5.294336086495364E-10 -2.057808133815104E-12 1.88071781385294E-10 -1.046138908721654E-13
node 7.735596996056995E-15 -1.718853472554072E-14 -2.057808133815104E-12 1.239807478995008E-9 -1.236409149727868E-9 2.761820951775109E-11
peri -7.268027337377486E-14 1.5669028564949E-13 1.88071781385294E-10 -1.236409149727868E-9 1.303843020575104E-9 -2.760192783145314E-11
i -2.293244018222809E-15 5.025136236823238E-15 -1.046138908721654E-13 2.761820951775109E-11 -2.760192783145314E-11 1.916891709666187E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.63   n/a E2021B10  

43371 (2000 WJ8)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WJ8 = 1987 UC10 = 1990 SX18 = 2002 JF88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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