Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456701.5 (2014-Feb-13.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06426604191018596 2.9663e-08  
q 2.420869636509172 7.8277e-08 au
tp 2457402.534419233511
(2016-Jan-15.03441923)
0.00013835 TDB
node 156.5351384098547 1.9946e-05 deg
peri 104.5443430068541 3.8017e-05 deg
i 9.64150801542832 3.9632e-06 deg
  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
 Jupiter MOID = 2.31867 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.799116957020431E-16 -2.301143431724795E-15 4.140053866108378E-14 7.537658770000754E-16 1.224263600065839E-14 1.420457424021629E-15
q -2.301143431724795E-15 6.127360293751502E-15 1.988269546795529E-13 -2.719498574375045E-15 2.947285242306043E-14 -3.853485189817264E-15
tp 4.140053866108378E-14 1.988269546795529E-13 1.913980694123189E-8 -2.71056160986957E-11 4.486018567851921E-9 -8.869615057485886E-13
node 7.537658770000754E-16 -2.719498574375045E-15 -2.71056160986957E-11 3.978331869669215E-10 -3.981376017340701E-10 2.285830151665419E-12
peri 1.224263600065839E-14 2.947285242306043E-14 4.486018567851921E-9 -3.981376017340701E-10 1.445279631716934E-9 -2.465456761860221E-12
i 1.420457424021629E-15 -3.853485189817264E-15 -8.869615057485886E-13 2.285830151665419E-12 -2.465456761860221E-12 1.570684952519146E-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

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-28 15:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin