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JPL Small-Body Database Browser
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58641 (1997 WX20)
Classification: Main-belt Asteroid          SPK-ID: 2058641
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895259267156699 6.2392e-08  
a 2.62895406858069 1.6065e-08 au
q 2.130699112440004 1.6283e-07 au
i 33.00608915274451 5.7657e-06 deg
node 64.13877363396757 8.6735e-06 deg
peri 318.0120257982123 1.4458e-05 deg
M 125.6960335895974 1.2786e-05 deg
tp 2458456.884292105620
(2018-Dec-04.38429211)
5.296e-05 TDB
period 1556.943757517048
4.26
1.4271e-05
3.907e-08
d
yr
n .2312222251201378 2.1194e-09 deg/d
Q 3.127209024721376 1.911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      9636 days (26.38 yr)  
   first obs. used      1993-12-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:38:05  

Additional Information
 Earth MOID = 1.19664 au 
 Jupiter MOID = 2.3862 au 
 T_jup = 3.150 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188404647097463 6.2322e-08  
q 2.134695491987967 1.6231e-07 au
tp 2456898.072950930195
(2014-Aug-28.57295093)
4.8898e-05 TDB
node 64.23214874028317 8.682e-06 deg
peri 317.7620021670445 1.4535e-05 deg
i 32.97447046813463 5.7635e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      9636 days (26.38 yr)  
   first obs. used      1993-12-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:38:05  

Additional Information
 Jupiter MOID = 2.3862 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.884082953590279E-15 -1.008339935635634E-14 5.324605181229376E-13 -6.641274633642623E-15 -1.097338848974755E-14 8.038555240190072E-15
q -1.008339935635634E-14 2.634487546188722E-14 -1.277792666652949E-12 1.89853083830911E-14 5.819849459730362E-14 -2.224661380151045E-14
tp 5.324605181229376E-13 -1.277792666652949E-12 2.391048059471091E-9 2.19645945341679E-12 5.809220324396692E-10 -1.174696828163924E-11
node -6.641274633642623E-15 1.89853083830911E-14 2.19645945341679E-12 7.537642103473519E-11 -6.180920238549518E-11 -1.113555532746958E-11
peri -1.097338848974755E-14 5.819849459730362E-14 5.809220324396692E-10 -6.180920238549518E-11 2.112643103431473E-10 6.026030643523896E-12
i 8.038555240190072E-15 -2.224661380151045E-14 -1.174696828163924E-11 -1.113555532746958E-11 6.026030643523896E-12 3.32176376000199E-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 14.4   n/a MPO319768  

58641 (1997 WX20)          Discovered 1997-Nov-29 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WX20 = 2000 KF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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