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 ]  
233918 (2009 SU146)
Classification: Jupiter Trojan          SPK-ID: 2233918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07261697513178172 8.5567e-08  
a 5.107854890342383 2.0967e-07 au
q 4.73693791879364 5.9152e-07 au
i 7.496887686877354 6.9673e-06 deg
node 53.44360061706803 6.5493e-05 deg
peri .2538907351023116 9.5535e-05 deg
M 280.9761542904581 7.4987e-05 deg
tp 2459526.075634121859
(2021-Nov-07.57563412)
0.00091129 TDB
period 4216.540277077853
11.54
0.00025963
7.108e-07
d
yr
n .08537805317716239 5.257e-09 deg/d
Q 5.478771861891127 2.249e-07 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1998-11-14  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5752  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:38:16  

Additional Information
 Earth MOID = 3.7478 au 
 Jupiter MOID = .0537123 au 
 T_jup = 2.978 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO454692  
diameter diameter 9.291 km 1.407 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.068   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

233918 (2009 SU146)          Discovered 2009-Sep-19 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 05:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin