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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845934200547862 6.8417e-08  
a 2.170107486924584 3.5491e-08 au
q 1.769519924026678 1.6444e-07 au
i 4.473019437944307 5.9663e-06 deg
node 31.74751809643301 0.00011909 deg
peri 330.3393128916102 0.00013157 deg
M 110.2783956028935 7.1423e-05 deg
tp 2458242.808818560839
(2018-May-04.30881856)
0.00022353 TDB
period 1167.670463594586
3.20
2.8645e-05
7.843e-08
d
yr
n .3083061627608246 7.5633e-09 deg/d
Q 2.57069504982249 4.2042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4225 days (11.57 yr)  
   first obs. used      2005-10-24  
   last obs. used      2017-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63354  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:37:38  

Additional Information
 Earth MOID = .767916 au 
 Jupiter MOID = 2.88049 au 
 T_jup = 3.663 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456998.5 (2014-Dec-07.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845794395563115 6.9258e-08  
q 1.769665840434228 1.6684e-07 au
tp 2457073.548633354504
(2015-Feb-20.04863335)
0.00019704 TDB
node 31.77259301112858 0.00011918 deg
peri 329.968209592372 0.00013161 deg
i 4.472425099040191 5.9621e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4225 days (11.57 yr)  
   first obs. used      2005-10-24  
   last obs. used      2017-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63354  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:37:38  

Additional Information
 Jupiter MOID = 2.88049 au 
 T_jup = 3.663 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.796663356765416E-15 -1.14203511380885E-14 -7.231571948136212E-12 4.772153934923787E-14 -2.177087554204266E-12 1.037484759512421E-14
q -1.14203511380885E-14 2.783427573943442E-14 2.090846266212665E-11 -1.373678808537615E-13 6.2011275720024E-12 -2.795567923039837E-14
tp -7.231571948136212E-12 2.090846266212665E-11 3.882328446917913E-8 -2.345007727180639E-10 1.110389859412851E-8 -4.088756050672069E-11
node 4.772153934923787E-14 -1.373678808537615E-13 -2.345007727180639E-10 1.420314574765587E-8 -1.422553849613064E-8 3.680017485367253E-11
peri -2.177087554204266E-12 6.2011275720024E-12 1.110389859412851E-8 -1.422553849613064E-8 1.732230068461204E-8 -4.820425680283417E-11
i 1.037484759512421E-14 -2.795567923039837E-14 -4.088756050672069E-11 3.680017485367253E-11 -4.820425680283417E-11 3.554621731401731E-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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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