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3182 Shimanto (1984 WC)
Classification: Main-belt Asteroid          SPK-ID: 2003182
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433596576954119 2.7421e-08  
a 2.613121766703122 1.0491e-08 au
q 2.238505524712132 6.9179e-08 au
i 12.56106526020555 6.4352e-07 deg
node 248.3273680605209 2.6761e-06 deg
peri 161.7928839643041 6.2281e-06 deg
M 195.7158327529652 8.4509e-06 deg
tp 2459904.594753251779
(2022-Nov-21.09475325)
3.9329e-05 TDB
period 1542.900423200797
4.22
9.2911e-06
2.544e-08
d
yr
n .2333267880328715 1.4051e-09 deg/d
Q 2.987738008694111 1.1994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2325  
   data-arc span      26939 days (73.75 yr)  
   first obs. used      1946-11-16  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:47:47  

Additional Information
 Earth MOID = 1.25245 au 
 Jupiter MOID = 2.37345 au 
 T_jup = 3.360 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.99   n/a E2021B10  
diameter diameter 8.925 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.9950 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Casalnuovo, G.B. (2014) Minor Planet Bull. 41, 85-86.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.463   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3182 Shimanto (1984 WC)          Discovered 1984-Nov-27 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 WC = 1946 WD = 1950 TG4 = 1957 JZ = 1980 XH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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