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 ]  
347323 (2011 SM39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2347323
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09824975776583308 7.4593e-08  
a 3.383597267355073 4.7563e-08 au
q 3.051159655460302 2.5836e-07 au
i 9.680404538887066 6.2135e-06 deg
node 216.949748220277 4.6665e-05 deg
peri 124.9787591582719 5.6923e-05 deg
M 142.8130187271933 3.1842e-05 deg
tp 2458098.655370022120
(2017-Dec-11.15537002)
0.00019426 TDB
period 2273.350634876098
6.22
4.7935e-05
1.312e-07
d
yr
n .1583565660647068 3.339e-09 deg/d
Q 3.716034879249843 5.2236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      4854 days (13.29 yr)  
   first obs. used      2005-08-29  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:19:34  

Additional Information
 Earth MOID = 2.05763 au 
 Jupiter MOID = 1.75033 au 
 T_jup = 3.120 
[ 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 15.6   n/a MPO434188  

347323 (2011 SM39)          Discovered 2010-Mar-12 by WISE at WISE
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2011 SM39 = 2010 EE155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-17 19:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin