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135474 (2001 WE26)
Classification: Main-belt Asteroid          SPK-ID: 2135474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730787852199053 4.8896e-08  
a 3.11640957236184 2.0587e-08 au
q 2.577025189329768 1.5825e-07 au
i .4449898361515942 5.1199e-06 deg
node 134.9747079327082 0.00059631 deg
peri 201.026073643748 0.00059643 deg
M 211.6733306982115 1.3138e-05 deg
tp 2460028.436378309060
(2023-Mar-24.93637831)
7.7423e-05 TDB
period 2009.463959477365
5.50
1.9912e-05
5.452e-08
d
yr
n .179152255158451 1.7753e-09 deg/d
Q 3.655793955393912 2.4151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      9341 days (25.57 yr)  
   first obs. used      1995-09-21  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:33  

Additional Information
 Earth MOID = 1.56556 au 
 Jupiter MOID = 1.72716 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457458.5 (2016-Mar-11.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716775806105169 4.8895e-08  
q 2.581895938007041 1.5789e-07 au
tp 2458017.737284491781
(2017-Sep-21.23728449)
6.9388e-05 TDB
node 134.9239200044399 0.00059675 deg
peri 201.000613928021 0.00059687 deg
i .4448078908670301 5.1167e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      9341 days (25.57 yr)  
   first obs. used      1995-09-21  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:33  

Additional Information
 Jupiter MOID = 1.72716 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.390720785634706E-15 -7.679417413992541E-15 2.047662185715379E-13 -1.013353454390411E-15 3.842041215698352E-14 -5.382867921314515E-17
q -7.679417413992541E-15 2.493041197587146E-14 -2.643533025200297E-13 5.133844684291039E-14 -1.210278458730126E-13 2.297749149327771E-16
tp 2.047662185715379E-13 -2.643533025200297E-13 4.814626084461061E-9 2.564394563077784E-12 8.622715928149319E-10 -1.036671763748393E-13
node -1.013353454390411E-15 5.133844684291039E-14 2.564394563077784E-12 3.561119464249967E-7 -3.561001259436161E-7 8.361667085813936E-10
peri 3.842041215698352E-14 -1.210278458730126E-13 8.622715928149319E-10 -3.561001259436161E-7 3.562566655966853E-7 -8.361650041434124E-10
i -5.382867921314515E-17 2.297749149327771E-16 -1.036671763748393E-13 8.361667085813936E-10 -8.361650041434124E-10 2.618087986035477E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.63   n/a MPCxxxxx  

135474 (2001 WE26)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 WE26 = 1995 SO65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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