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 ]  
379246 (2009 SJ355)
Classification: Main-belt Asteroid          SPK-ID: 2379246
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02377393935236213 8.7357e-08  
a 2.680066466063966 3.9196e-08 au
q 2.616350728439462 2.5001e-07 au
i 9.499647006393516 1.0233e-05 deg
node 44.05761818329275 5.2837e-05 deg
peri 9.400496027898514 0.00021188 deg
M 150.9992000035823 0.00020839 deg
tp 2458328.314840944118
(2018-Jul-28.81484094)
0.0009224 TDB
period 1602.569134501221
4.39
3.5157e-05
9.625e-08
d
yr
n .2246392946486177 4.9281e-09 deg/d
Q 2.74378220368847 4.0128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      6609 days (18.09 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:54:28  

Additional Information
 Earth MOID = 1.62643 au 
 Jupiter MOID = 2.33459 au 
 T_jup = 3.357 
[ 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 16.7   n/a MPO427884  

379246 (2009 SJ355)          Discovered 2009-Sep-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ 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-Apr-07 08:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin