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
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06514418206047404 2.8315e-08  
a 2.586961101746509 9.6461e-09 au
q 2.41843563675097 7.4233e-08 au
i 9.652809011240091 3.6791e-06 deg
node 156.4507151658489 1.9034e-05 deg
peri 105.8422511244201 3.4869e-05 deg
M 17.52872093756701 2.9127e-05 deg
tp 2458926.500122468207
(2020-Mar-18.00012247)
0.00012293 TDB
period 1519.78892278167
4.16
8.5003e-06
2.327e-08
d
yr
n .2368749992868035 1.3249e-09 deg/d
Q 2.755486566742048 1.0274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2541  
   data-arc span      24055 days (65.86 yr)  
   first obs. used      1954-09-27  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:03:01  

Additional Information
 Earth MOID = 1.42427 au 
 Jupiter MOID = 2.31867 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456903.5 (2014-Sep-03.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06385949260959983 2.8374e-08  
q 2.42202740364831 7.4075e-08 au
tp 2457404.570149259812
(2016-Jan-17.07014926)
0.00012477 TDB
node 156.4972038056689 1.9047e-05 deg
peri 104.9833393117023 3.5304e-05 deg
i 9.648330240976343 3.6777e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2541  
   data-arc span      24055 days (65.86 yr)  
   first obs. used      1954-09-27  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:03:01  

Additional Information
 Jupiter MOID = 2.31867 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.050893001220865E-16 -2.085978811015397E-15 2.947461606886537E-13 -1.706127367620403E-15 7.146922760184591E-14 7.022803666494093E-16
q -2.085978811015397E-15 5.487130514796891E-15 -7.319397424124855E-13 3.371387003290882E-15 -1.835322761058294E-13 -1.895896202752008E-15
tp 2.947461606886537E-13 -7.319397424124855E-13 1.556644192886615E-8 -3.06841486690568E-11 3.718268774272343E-9 -2.31113055098831E-12
node -1.706127367620403E-15 3.371387003290882E-15 -3.06841486690568E-11 3.628060980267571E-10 -3.644265508883837E-10 -1.110819043605803E-12
peri 7.146922760184591E-14 -1.835322761058294E-13 3.718268774272343E-9 -3.644265508883837E-10 1.246382865334059E-9 5.551349908524474E-13
i 7.022803666494093E-16 -1.895896202752008E-15 -2.31113055098831E-12 -1.110819043605803E-12 5.551349908524474E-13 1.352566419527269E-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-Sep-29 11:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin