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423600 (2005 WS26)
Classification: Main-belt Asteroid          SPK-ID: 2423600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111134056283872 7.8486e-08  
a 2.545889870648278 3.8078e-08 au
q 2.262954802471113 2.1651e-07 au
i 13.06774488847836 7.7754e-06 deg
node 253.419109272834 3.0348e-05 deg
peri 62.20342995775317 6.3598e-05 deg
M 358.1438520304141 5.7863e-05 deg
tp 2459208.150114590055
(2020-Dec-24.65011459)
0.00023843 TDB
period 1483.740142244343
4.06
3.3288e-05
9.114e-08
d
yr
n .2426300871360499 5.4434e-09 deg/d
Q 2.828824938825444 4.231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5344 days (14.63 yr)  
   first obs. used      2005-11-21  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 11:58:27  

Additional Information
 Earth MOID = 1.27831 au 
 Jupiter MOID = 2.41173 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457549.5 (2016-Jun-10.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101665012841454 7.8728e-08  
q 2.264433408933245 2.1702e-07 au
tp 2457726.966030830802
(2016-Dec-04.46603083)
0.00025189 TDB
node 253.4413986997847 3.033e-05 deg
peri 62.65935104215388 6.3842e-05 deg
i 13.07280586148956 7.7781e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5344 days (14.63 yr)  
   first obs. used      2005-11-21  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 11:58:27  

Additional Information
 Jupiter MOID = 2.41173 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.198023313804685E-15 -1.691596325406642E-14 9.717608759901429E-12 -5.096800185406266E-14 2.02181649589286E-12 3.228004112312799E-14
q -1.691596325406642E-14 4.709814618522597E-14 -2.837154937226149E-11 1.447358808117886E-13 -5.96066238959842E-12 -8.556707165897486E-14
tp 9.717608759901429E-12 -2.837154937226149E-11 6.345009152604318E-8 -2.773725464930105E-10 1.418885676010446E-8 6.954306529434531E-11
node -5.096800185406266E-14 1.447358808117886E-13 -2.773725464930105E-10 9.199246008302108E-10 -9.559569703609206E-10 -1.417835739851413E-11
peri 2.02181649589286E-12 -5.96066238959842E-12 1.418885676010446E-8 -9.559569703609206E-10 4.075835704781551E-9 2.824461614199835E-11
i 3.228004112312799E-14 -8.556707165897486E-14 6.954306529434531E-11 -1.417835739851413E-11 2.824461614199835E-11 6.049947440204997E-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 16.59   n/a E2021B25  

423600 (2005 WS26)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

Alternate Designations
 2005 WS26 = 2009 VG67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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