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434632 (2005 WE)
Classification: Apollo [NEO]          SPK-ID: 2434632
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2513824286537326 1.5422e-07  
a 1.151189185600676 8.2495e-09 au
q .8618004522844657 1.824e-07 au
i 12.36548254768056 1.3098e-05 deg
node 289.9421939667535 2.1004e-05 deg
peri 22.6172838813652 5.0166e-05 deg
M 29.54241052639625 7.3278e-05 deg
tp 2458563.477826931927
(2019-Mar-20.97782693)
9.1464e-05 TDB
period 451.147420505774
1.24
4.8494e-06
1.328e-08
d
yr
n .797965329373733 8.5774e-09 deg/d
Q 1.440577918916886 1.0323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      3736 days (10.23 yr)  
   first obs. used      2005-11-20  
   last obs. used      2016-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52107  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:12:39  

Additional Information
 Earth MOID = .12776 au 
 Jupiter MOID = 3.79973 au 
 T_jup = 5.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456752.5 (2014-Apr-05.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2515721769346643 1.5395e-07  
q .8617321444856059 1.8246e-07 au
tp 2456758.711751340950
(2014-Apr-11.21175134)
7.3099e-05 TDB
node 289.9695602810517 2.0995e-05 deg
peri 22.58160352267242 5.0093e-05 deg
i 12.36577112271124 1.3101e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      3736 days (10.23 yr)  
   first obs. used      2005-11-20  
   last obs. used      2016-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52107  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:12:39  

Additional Information
 Jupiter MOID = 3.79973 au 
 T_jup = 5.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.369996899441151E-14 -2.808091809938832E-14 -6.371758535674709E-12 2.657598725789629E-13 -4.453494472711216E-12 8.313381899555887E-13
q -2.808091809938832E-14 3.329071745983399E-14 7.780458291096048E-12 -3.278834581148885E-13 5.410076363374319E-12 -1.000582469467748E-12
tp -6.371758535674709E-12 7.780458291096048E-12 5.343528886787877E-9 -2.64701963688772E-10 3.326894972323127E-9 -4.78122015776846E-10
node 2.657598725789629E-13 -3.278834581148885E-13 -2.64701963688772E-10 4.407936135817721E-10 -5.794936092265986E-10 1.689950096357456E-11
peri -4.453494472711216E-12 5.410076363374319E-12 3.326894972323127E-9 -5.794936092265986E-10 2.509308373019265E-9 -3.025502960050749E-10
i 8.313381899555887E-13 -1.000582469467748E-12 -4.78122015776846E-10 1.689950096357456E-11 -3.025502960050749E-10 1.716357098341976E-10

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 19.8   n/a MPO368899  
diameter diameter 1.150 km 0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.019   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

434632 (2005 WE)          Discovered 2005-Nov-20 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04

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