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3899 Wichterle (1982 SN1)
Classification: Main-belt Asteroid          SPK-ID: 2003899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766943766505469 3.909e-08  
a 3.188084963546765 1.6324e-08 au
q 2.624768278203887 1.2424e-07 au
i 2.818854032940387 3.9589e-06 deg
node 82.03156049591817 7.592e-05 deg
peri 325.938820988924 7.6651e-05 deg
M 200.1196442940231 1.3209e-05 deg
tp 2459923.891478556149
(2022-Dec-10.39147856)
8.1056e-05 TDB
period 2079.185593579378
5.69
1.5969e-05
4.372e-08
d
yr
n .1731447164272862 1.3298e-09 deg/d
Q 3.751401648889642 1.9208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2758  
   data-arc span      26269 days (71.92 yr)  
   first obs. used      1948-10-10  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:11  

Additional Information
 Earth MOID = 1.63547 au 
 Jupiter MOID = 1.63813 au 
 T_jup = 3.171 
[ show covariance matrix ]

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 11.5   n/a MPO473819  
diameter diameter 21.174 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.8572 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Owings, L.E. (2013) Minor Planet Bull. 40, 8-10.]
geometric albedo albedo 0.094   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3899 Wichterle (1982 SN1)          Discovered 1982-Sep-17 by Mahrova, M. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1982 SN1 = 1948 TF2 = 1949 YG = 1949 YW = 1951 GL1 = 1953 RX = 1954 YN = 1965 SQ = 1976 SZ = 1984 CB = 1985 FQ = 1987 OF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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