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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895259274723712 6.2248e-08  
a 2.628954068394874 1.6045e-08 au
q 2.130699110300072 1.624e-07 au
i 33.00608898814916 5.7151e-06 deg
node 64.13877366566271 8.6719e-06 deg
peri 318.0120260333586 1.4429e-05 deg
M 125.6960334306038 1.2775e-05 deg
tp 2458456.884292850877
(2018-Dec-04.38429285)
5.29e-05 TDB
period 1556.943757351979
4.26
1.4253e-05
3.902e-08
d
yr
n .2312222251446522 2.1168e-09 deg/d
Q 3.127209026489676 1.9086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      9713 days (26.59 yr)  
   first obs. used      1993-12-10  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:17  

Additional Information
 Earth MOID = 1.19664 au 
 Jupiter MOID = 2.3862 au 
 T_jup = 3.150 
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Orbital Elements at Epoch 2457276.5 (2015-Sep-11.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188402391776305 6.2181e-08  
q 2.134769486943848 1.619e-07 au
tp 2456898.098260541293
(2014-Aug-28.59826054)
4.8791e-05 TDB
node 64.22983347982309 8.6802e-06 deg
peri 317.7735740643796 1.4505e-05 deg
i 32.973859625295 5.713e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      9713 days (26.59 yr)  
   first obs. used      1993-12-10  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:17  

Additional Information
 Jupiter MOID = 2.3862 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.866443779724972E-15 -1.003486719247687E-14 5.186036242302019E-13 -6.63017861271378E-15 -1.488246251194389E-14 7.93444799245519E-15
q -1.003486719247687E-14 2.62112508465487E-14 -1.239428178759996E-12 1.898579460945842E-14 6.900904113837624E-14 -2.207100277339907E-14
tp 5.186036242302019E-13 -1.239428178759996E-12 2.380560418449229E-9 2.193459718985548E-12 5.779578184055268E-10 -1.165074578447052E-11
node -6.63017861271378E-15 1.898579460945842E-14 2.193459718985548E-12 7.534530778055829E-11 -6.178467264345828E-11 -1.10115294736744E-11
peri -1.488246251194389E-14 6.900904113837624E-14 5.779578184055268E-10 -6.178467264345828E-11 2.10404169876492E-10 5.944534974182164E-12
i 7.93444799245519E-15 -2.207100277339907E-14 -1.165074578447052E-11 -1.10115294736744E-11 5.944534974182164E-12 3.26382059100437E-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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