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37673 (1994 WR5)
Classification: Main-belt Asteroid          SPK-ID: 2037673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394950202424544 3.4067e-08  
a 2.19664290238694 8.4563e-09 au
q 1.890222156253031 7.5348e-08 au
i 2.369050508674037 3.8068e-06 deg
node 65.66905369557117 0.00010674 deg
peri 327.6084960370706 0.00010802 deg
M 314.0383994660431 1.8905e-05 deg
tp 2459152.320445751952
(2020-Oct-29.82044575)
6.2936e-05 TDB
period 1189.152680405957
3.26
6.8667e-06
1.88e-08
d
yr
n .3027365669117458 1.7481e-09 deg/d
Q 2.50306364852085 9.6359e-09 au
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      9404 days (25.75 yr)  
   first obs. used      1994-11-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:22:23  

Additional Information
 Earth MOID = .89692 au 
 Jupiter MOID = 2.9071 au 
 T_jup = 3.654 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456587.5 (2013-Oct-22.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397462081859552 3.4093e-08  
q 1.889753413372413 7.5432e-08 au
tp 2456773.574311736639
(2014-Apr-26.07431174)
5.6261e-05 TDB
node 65.72015618424706 0.00010662 deg
peri 327.4997280108918 0.0001079 deg
i 2.370805892592103 3.8083e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      9404 days (25.75 yr)  
   first obs. used      1994-11-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:22:23  

Additional Information
 Jupiter MOID = 2.9071 au 
 T_jup = 3.654 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.162340099467555E-15 -2.559946628997112E-15 -1.871052954902622E-13 -5.400922800922563E-15 -6.221179137149726E-14 -1.153020548944826E-16
q -2.559946628997112E-15 5.689926030419902E-15 5.670627933037995E-13 1.129737474024192E-14 1.783843036632138E-13 2.552098521165064E-16
tp -1.871052954902622E-13 5.670627933037995E-13 3.165333351604381E-9 -5.020865131866531E-12 9.49021009079037E-10 -1.648412575174076E-13
node -5.400922800922563E-15 1.129737474024192E-14 -5.020865131866531E-12 1.136820461126325E-8 -1.135936630077179E-8 2.947597498793456E-11
peri -6.221179137149726E-14 1.783843036632138E-13 9.49021009079037E-10 -1.135936630077179E-8 1.164155168259694E-8 -2.949179895090457E-11
i -1.153020548944826E-16 2.552098521165064E-16 -1.648412575174076E-13 2.947597498793456E-11 -2.949179895090457E-11 1.45035232650838E-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 15.8   n/a MPO337565  

37673 (1994 WR5)          Discovered 1994-Nov-28 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 WR5 = 1999 FZ58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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