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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0651892858598262 1.0792e-08  
a 2.586052769131985 9.3641e-09 au
q 2.417469835916445 2.8314e-08 au
i 9.658047226557752 7.4836e-07 deg
node 156.4325334087618 3.2265e-06 deg
peri 105.363359606242 1.6408e-05 deg
M 65.36559227981678 1.5289e-05 deg
tp 2458924.695593486957
(2020-Mar-16.19559349)
6.4558e-05 TDB
period 1518.988551647431
4.16
8.2503e-06
2.259e-08
d
yr
n .2369998112293599 1.2873e-09 deg/d
Q 2.754635702347525 9.9745e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2779  
   data-arc span      24199 days (66.25 yr)  
   first obs. used      1954-09-27  
   last obs. used      2020-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:04:07  

Additional Information
 Earth MOID = 1.42177 au 
 Jupiter MOID = 2.31726 au 
 T_jup = 3.399 
[ 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 12.46   n/a E2021B10  
diameter diameter 9.629 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.0706 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]
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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