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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06514418066022976 2.86e-08  
a 2.586961102707279 1.0066e-08 au
q 2.418435641271529 7.5379e-08 au
i 9.652808933303106 3.7677e-06 deg
node 156.4507147596408 1.9362e-05 deg
peri 105.8422542753938 3.5975e-05 deg
M 17.52871771051138 3.0645e-05 deg
tp 2458926.500136050437
(2020-Mar-18.00013605)
0.0001293 TDB
period 1519.788923628321
4.16
8.8705e-06
2.429e-08
d
yr
n .2368749991548441 1.3826e-09 deg/d
Q 2.75548656414303 1.0722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2462  
   data-arc span      24004 days (65.72 yr)  
   first obs. used      1954-09-27  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:57:02  

Additional Information
 Earth MOID = 1.42427 au 
 Jupiter MOID = 2.31867 au 
 T_jup = 3.399 
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Orbital Elements at Epoch 2456843.5 (2014-Jul-05.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06392169616869098 2.8691e-08  
q 2.422100385117021 7.5376e-08 au
tp 2457403.930547843736
(2016-Jan-16.43054784)
0.00013019 TDB
node 156.5034779412256 1.9383e-05 deg
peri 104.8257807952895 3.6368e-05 deg
i 9.64624747245953 3.7656e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2462  
   data-arc span      24004 days (65.72 yr)  
   first obs. used      1954-09-27  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:57:02  

Additional Information
 Jupiter MOID = 2.31867 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.232007404264692E-16 -2.145491412631468E-15 1.330730622439246E-13 -3.355959609696475E-17 3.48186491195593E-14 1.024881530895723E-15
q -2.145491412631468E-15 5.681538377914469E-15 -2.02410010363E-13 -1.379321060919886E-15 -6.391904453496394E-14 -2.816889684292111E-15
tp 1.330730622439246E-13 -2.02410010363E-13 1.695051957618116E-8 -3.07870086712273E-11 4.015800635823128E-9 -1.689590104025367E-12
node -3.355959609696475E-17 -1.379321060919886E-15 -3.07870086712273E-11 3.756889348651505E-10 -3.77078201281173E-10 1.745161027982734E-12
peri 3.48186491195593E-14 -6.391904453496394E-14 4.015800635823128E-9 -3.77078201281173E-10 1.32262701647124E-9 -2.104358298332678E-12
i 1.024881530895723E-15 -2.816889684292111E-15 -1.689590104025367E-12 1.745161027982734E-12 -2.104358298332678E-12 1.417966444914997E-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 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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