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4117 Wilke (1982 SU3)
Classification: Main-belt Asteroid          SPK-ID: 2004117
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736244821049727 3.5791e-08  
a 2.84040866878858 1.2064e-08 au
q 2.347244184703688 1.0303e-07 au
i 13.39377189927245 4.5167e-06 deg
node 168.9007101699498 1.6588e-05 deg
peri 140.2478851245623 2.1178e-05 deg
M 351.7209799928291 1.4839e-05 deg
tp 2459040.711113767057
(2020-Jul-10.21111377)
7.2184e-05 TDB
period 1748.516242695641
4.79
1.114e-05
3.05e-08
d
yr
n .205888850906525 1.3117e-09 deg/d
Q 3.333573152873472 1.4159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2087  
   data-arc span      24391 days (66.78 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:05:46  

Additional Information
 Earth MOID = 1.3504 au 
 Jupiter MOID = 2.08793 au 
 T_jup = 3.248 
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Orbital Elements at Epoch 2456689.5 (2014-Feb-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725232424533899 3.58e-08  
q 2.348904292165823 1.028e-07 au
tp 2457296.254271482563
(2015-Sep-30.75427148)
6.8782e-05 TDB
node 168.9689734853433 1.6591e-05 deg
peri 140.7892931296312 2.1234e-05 deg
i 13.39328568446238 4.517e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2087  
   data-arc span      24391 days (66.78 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:05:46  

Additional Information
 Jupiter MOID = 2.08793 au 
 T_jup = 3.248 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.281652867144285E-15 -3.66380157667317E-15 4.184270576984692E-13 -1.172502712369427E-15 9.657688598967373E-14 -2.937765967347859E-16
q -3.66380157667317E-15 1.056858536282499E-14 -1.007804042802409E-12 3.111609053576987E-15 -2.489924125229877E-13 1.65984778864873E-15
tp 4.184270576984692E-13 -1.007804042802409E-12 4.731021053214795E-9 -1.196162279134616E-11 9.266058942965765E-10 -3.320684486702474E-12
node -1.172502712369427E-15 3.111609053576987E-15 -1.196162279134616E-11 2.752456460146739E-10 -2.694630477217463E-10 6.954392501124576E-12
peri 9.657688598967373E-14 -2.489924125229877E-13 9.266058942965765E-10 -2.694630477217463E-10 4.509029960503297E-10 -7.286729906436863E-12
i -2.937765967347859E-16 1.65984778864873E-15 -3.320684486702474E-12 6.954392501124576E-12 -7.286729906436863E-12 2.040313108574739E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5   n/a MPO395035  
diameter diameter 6.481 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.506   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4117 Wilke (1982 SU3)          Discovered 1982-Sep-24 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 SU3 = 1977 PF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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