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 ]  
91024 Szechenyi (1998 DA33)
Classification: Main-belt Asteroid          SPK-ID: 2091024
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06367299295244529 5.6688e-08  
a 2.661523346929692 1.4913e-08 au
q 2.492056189617869 1.5626e-07 au
i 4.638184694335163 5.6764e-06 deg
node 5.536898751854467 5.7298e-05 deg
peri 204.2536792024426 7.3146e-05 deg
M 297.3676773464116 4.7244e-05 deg
tp 2458876.424245520349
(2020-Jan-27.92424552)
0.00020891 TDB
period 1585.96590672076
4.34
1.333e-05
3.65e-08
d
yr
n .2269910081133825 1.9078e-09 deg/d
Q 2.830990504241515 1.5862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      13327 days (36.49 yr)  
   first obs. used      1982-11-05  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:29:57  

Additional Information
 Earth MOID = 1.48792 au 
 Jupiter MOID = 2.13506 au 
 T_jup = 3.378 
[ 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 15.2   n/a MPO436408  
diameter diameter 2.997 km 0.830 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91024 Széchenyi           Discovered 1998 Feb. 28 by K. Sárneczky and L. Kiss at Piszkéstető.
Count István Széchenyi (1791-1860), known as "The Greatest Hungarian", was a writer, reformer and patriot. In addition to promoting the first permanent bridge between Buda and Pest, he became famous for donating a year's income toward the foundation of the Hungarian Academy of Sciences.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Alternate Designations
 1998 DA33 = 1995 SJ49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 21:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin