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357923 (2005 WE75)
Classification: Main-belt Asteroid          SPK-ID: 2357923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847703623960123 6.1663e-08  
a 2.169815603170187 3.538e-08 au
q 1.76889798783991 1.5168e-07 au
i 4.473300347260696 5.9542e-06 deg
node 31.74243135595369 7.4711e-05 deg
peri 330.2873093292301 9.188e-05 deg
M 233.6915544272816 7.3216e-05 deg
tp 2459410.102462028968
(2021-Jul-14.60246203)
0.00024699 TDB
period 1167.434890531801
3.20
2.8554e-05
7.818e-08
d
yr
n .3083683749044105 7.5422e-09 deg/d
Q 2.570733218500465 4.1917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5299 days (14.51 yr)  
   first obs. used      2005-10-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:19:52  

Additional Information
 Earth MOID = .768149 au 
 Jupiter MOID = 2.88397 au 
 T_jup = 3.663 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457644.5 (2016-Sep-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841611138740276 6.1933e-08  
q 1.771239940329342 1.5251e-07 au
tp 2457073.895378828021
(2015-Feb-20.39537883)
0.00019352 TDB
node 31.75537497211745 7.471e-05 deg
peri 330.1603743082753 9.1934e-05 deg
i 4.473199330590704 5.9519e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5299 days (14.51 yr)  
   first obs. used      2005-10-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:19:52  

Additional Information
 Jupiter MOID = 2.88397 au 
 T_jup = 3.663 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.835720680459502E-15 -9.325901503289945E-15 -5.91948511938789E-12 1.42403081490075E-14 -1.667188770877183E-12 8.315252571872618E-15
q -9.325901503289945E-15 2.325917018767371E-14 1.806559027576281E-11 -4.12115894176506E-14 5.073493695110605E-12 -2.342923352087184E-14
tp -5.91948511938789E-12 1.806559027576281E-11 3.744944530693185E-8 -6.225541633009715E-11 1.039686607304904E-8 -3.782372931544268E-11
node 1.42403081490075E-14 -4.12115894176506E-14 -6.225541633009715E-11 5.581539103408314E-9 -5.581713411850409E-9 9.236484922980638E-12
peri -1.667188770877183E-12 5.073493695110605E-12 1.039686607304904E-8 -5.581713411850409E-9 8.451794809200757E-9 -1.964768462757374E-11
i 8.315252571872618E-15 -2.342923352087184E-14 -3.782372931544268E-11 9.236484922980638E-12 -1.964768462757374E-11 3.542529731656747E-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 18.2   n/a MPO368423  

357923 (2005 WE75)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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