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 ]  
523816 (2009 ST103)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523816
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7219689538628429 5.9201e-08  
a 2.688632395162054 3.1197e-08 au
q .7475232775051562 1.5577e-07 au
i 15.9272509152795 1.7452e-05 deg
node 227.230585021008 5.0192e-05 deg
peri 233.8449166743297 5.2403e-05 deg
M 41.40864639539865 1.5238e-05 deg
tp 2458415.281611670906
(2018-Oct-23.78161167)
6.5767e-05 TDB
period 1610.258378450235
4.41
2.8027e-05
7.673e-08
d
yr
n .2235666057185653 3.8912e-09 deg/d
Q 4.629741512818952 5.372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      2000-09-27  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-04 07:16:27  

Additional Information
 Earth MOID = .0486391 au 
 Jupiter MOID = 1.19272 au 
 T_jup = 2.892 
[ 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 18.1   n/a MPO206181  
diameter diameter 0.851 km 0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.141   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

523816 (2009 ST103)          Discovered 2009-Sep-26 by CSS at Catalina
Reference: Last Updated: 2018-10-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-29 17:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin