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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110844341419909 5.2255e-07  
a 2.545293878942883 5.2408e-08 au
q 2.26255134867544 1.3644e-06 au
i 13.07282087250766 8.5225e-06 deg
node 253.4346818690872 3.3334e-05 deg
peri 62.40728288313137 0.00038658 deg
M 309.4264122856064 0.00043853 deg
tp 2459208.865872791657
(2020-Dec-25.36587279)
0.0018022 TDB
period 1483.219158360158
4.06
4.581e-05
1.254e-07
d
yr
n .2427153114702313 7.4963e-09 deg/d
Q 2.828036409210327 5.823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      4882 days (13.37 yr)  
   first obs. used      2005-11-21  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56264  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:41:22  

Additional Information
 Earth MOID = 1.28 au 
 Jupiter MOID = 2.41421 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457448.5 (2016-Mar-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101308334955077 5.2569e-07  
q 2.264520222902426 1.3665e-06 au
tp 2457726.939000540474
(2016-Dec-04.43900054)
0.0018355 TDB
node 253.4415055670431 3.334e-05 deg
peri 62.64816810905491 0.00038745 deg
i 13.07272333572353 8.5188e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      4882 days (13.37 yr)  
   first obs. used      2005-11-21  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56264  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:41:22  

Additional Information
 Jupiter MOID = 2.41421 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.763516029115609E-13 -7.181381496962408E-13 9.547328970713693E-10 -3.840441758549368E-12 2.005765308561082E-10 1.78229888660577E-12
q -7.181381496962408E-13 1.867217067802431E-12 -2.481298617861102E-9 9.982960582405552E-12 -5.213407971716269E-10 -4.628191332534805E-12
tp 9.547328970713693E-10 -2.481298617861102E-9 3.369243381198145E-6 -1.347617618038301E-8 7.087060497126597E-7 6.187055940621589E-9
node -3.840441758549368E-12 9.982960582405552E-12 -1.347617618038301E-8 1.111581554266464E-9 -3.863616053449964E-9 -4.872009032122026E-11
peri 2.005765308561082E-10 -5.213407971716269E-10 7.087060497126597E-7 -3.863616053449964E-9 1.501182114580821E-7 1.323286360628138E-9
i 1.78229888660577E-12 -4.628191332534805E-12 6.187055940621589E-9 -4.872009032122026E-11 1.323286360628138E-9 7.25705119551149E-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 16.4   n/a MPO434532  

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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