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 ]  
442353 (2011 SF229)
Classification: Main-belt Asteroid          SPK-ID: 2442353
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110476169445553 2.5759e-07  
a 2.64453144430076 2.8786e-08 au
q 2.086409385046142 6.7576e-07 au
i 2.610996712552468 1.4115e-05 deg
node 299.727547123292 0.00036145 deg
peri 22.90195474909378 0.00036779 deg
M 321.4513987617723 3.9995e-05 deg
tp 2458768.700643519068
(2019-Oct-12.20064352)
0.00017444 TDB
period 1570.802304671338
4.30
2.5647e-05
7.022e-08
d
yr
n .2291822458685044 3.742e-09 deg/d
Q 3.202653503555378 3.4861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      1998-10-14  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:04  

Additional Information
 Earth MOID = 1.07337 au 
 Jupiter MOID = 2.12516 au 
 T_jup = 3.360 
[ 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 17.6   n/a MPO349188  

442353 (2011 SF229)          Discovered 1998-Oct-14 by ODAS at Caussols
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SF229 = 2002 QD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin