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JPL Small-Body Database Browser
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3393 Stur (1984 WY1)
Classification: Main-belt Asteroid          SPK-ID: 2003393
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06514425461496109 2.9504e-08  
a 2.586961099940782 1.1091e-08 au
q 2.41843544736724 7.7985e-08 au
i 9.652809776717746 3.9671e-06 deg
node 156.4507227230498 1.9905e-05 deg
peri 105.842240352746 3.7808e-05 deg
M 17.52872230081739 3.303e-05 deg
tp 2458926.500116790539
(2020-Mar-18.00011679)
0.00013932 TDB
period 1519.788921190426
4.16
9.7741e-06
2.676e-08
d
yr
n .2368749995348155 1.5234e-09 deg/d
Q 2.755486752514325 1.1814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2220  
   data-arc span      23601 days (64.62 yr)  
   first obs. used      1954-09-27  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 23:07:07  

Additional Information
 Earth MOID = 1.42427 au 
 Jupiter MOID = 2.31867 au 
 T_jup = 3.399 
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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 12.4   n/a MPO384782  
diameter diameter 9.629 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3393 Stur (1984 WY1)          Discovered 1984-Nov-28 by Antal, M. at Piszkesteto
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1984 WY1 = 1954 SB1 = 1975 TG3 = 1975 TJ4 = 1975 VC6 = 1979 SP4 = 1982 HU1 = 1982 HZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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