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213406 (2001 WB17)
Classification: Main-belt Asteroid          SPK-ID: 2213406
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 .2112019874685351 5.8544e-08  
a 2.753498541123922 1.6717e-08 au
q 2.171954176746838 1.6248e-07 au
i 2.001468414639757 5.5023e-06 deg
node 353.2342531173437 0.00013235 deg
peri 333.5562050294415 0.00013283 deg
M 116.9621933137096 1.2375e-05 deg
tp 2458658.288523198897
(2019-Jun-23.78852320)
5.626e-05 TDB
period 1668.882278266215
4.57
1.5198e-05
4.161e-08
d
yr
n .2157132379486949 1.9644e-09 deg/d
Q 3.335042905501006 2.0247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      7038 days (19.27 yr)  
   first obs. used      2001-10-11  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:34  

Additional Information
 Earth MOID = 1.15867 au 
 Jupiter MOID = 2.0151 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457543.5 (2016-Jun-04.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134105055471225 5.8481e-08  
q 2.16362383533839 1.6248e-07 au
tp 2456991.084329504057
(2014-Nov-29.58432950)
5.5147e-05 TDB
node 353.3665861212654 0.00013191 deg
peri 333.4803903682369 0.00013238 deg
i 2.006959492519064 5.511e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      7038 days (19.27 yr)  
   first obs. used      2001-10-11  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:34  

Additional Information
 Jupiter MOID = 2.0151 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.420011611991521E-15 -9.471030711448769E-15 1.281313946635022E-12 2.817439682413975E-14 8.477595715817644E-14 -3.505715565098322E-17
q -9.471030711448769E-15 2.639943227778464E-14 -3.604560503444301E-12 -8.220165273155966E-14 -2.310225379199761E-13 2.300397663754498E-16
tp 1.281313946635022E-12 -3.604560503444301E-12 3.041238648390325E-9 8.177346609370473E-12 6.140004191912948E-10 -1.255582367921778E-12
node 2.817439682413975E-14 -8.220165273155966E-14 8.177346609370473E-12 1.739953115610882E-8 -1.738780719639047E-8 8.874733350920932E-11
peri 8.477595715817644E-14 -2.310225379199761E-13 6.140004191912948E-10 -1.738780719639047E-8 1.752498229624585E-8 -8.898108956105748E-11
i -3.505715565098322E-17 2.300397663754498E-16 -1.255582367921778E-12 8.874733350920932E-11 -8.898108956105748E-11 3.037086154843081E-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 16.34   n/a MPCxxxxx  

213406 (2001 WB17)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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