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233935 (2009 VE31)
Classification: Main-belt Asteroid          SPK-ID: 2233935
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578537826849513 1.3393e-07  
a 2.572360272971115 2.4977e-08 au
q 2.166303473454131 3.5595e-07 au
i 8.458990071712527 1.0638e-05 deg
node 31.56490223442583 3.7822e-05 deg
peri 19.44492506292399 6.1152e-05 deg
M 252.5461325272204 4.4051e-05 deg
tp 2459650.296081866927
(2022-Mar-11.79608187)		 0.0001884 TDB
period 1506.940543699957
4.13		 2.1948e-05
6.009e-08		 d
yr
n .2388946275983126 3.4794e-09 deg/d
Q 2.9784170724881 2.8919e-08 au
   Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2001-12-19  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:25:48  

Additional Information
 Earth MOID = 1.17755 au 
 Jupiter MOID = 2.42155 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457331.5 (2015-Nov-05.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591642048538359 1.3217e-07  
q 2.160778268513245 3.4965e-07 au
tp 2456641.688892529002
(2013-Dec-15.18889253)		 0.00016605 TDB
node 31.62262470579044 3.7792e-05 deg
peri 19.8470635995441 6.1049e-05 deg
i 8.46580214655263 1.0644e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2001-12-19  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:25:48  

Additional Information
 Jupiter MOID = 2.42155 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.746892023587154E-14 -4.615205541210544E-14 -1.97239213165863E-11 5.454443188204127E-14 -5.797231882716793E-12 2.545307147340276E-14
q -4.615205541210544E-14 1.222580651201506E-13 5.197397080830299E-11 -1.457921944191445E-13 1.531856871623431E-11 -6.61320648544652E-14
tp -1.97239213165863E-11 5.197397080830299E-11 2.757116926849229E-8 -6.00172128548327E-11 7.973312588844601E-9 -3.661292257807993E-11
node 5.454443188204127E-14 -1.457921944191445E-13 -6.00172128548327E-11 1.428227226723263E-9 -1.429858620420792E-9 -2.19005108480477E-10
peri -5.797231882716793E-12 1.531856871623431E-11 7.973312588844601E-9 -1.429858620420792E-9 3.726928593385733E-9 2.063387577688994E-10
i 2.545307147340276E-14 -6.61320648544652E-14 -3.661292257807993E-11 -2.19005108480477E-10 2.063387577688994E-10 1.132946547316128E-10

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO338669  
diameter diameter 2.952 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233935 (2009 VE31)          Discovered 2009-Nov-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2009 VE31 = 2001 YJ152 = 2005 YM181 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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