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 ]  
376251 (2011 EF84)
Classification: Main-belt Asteroid          SPK-ID: 2376251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04134894805108674 6.9394e-08  
a 2.737189567723932 4.1644e-08 au
q 2.624009658482139 2.1253e-07 au
i 5.60783518829261 8.0181e-06 deg
node 150.2712723227341 7.1417e-05 deg
peri 282.8507542287796 0.00012114 deg
M 108.0897422080246 9.8011e-05 deg
tp 2458503.864544395658
(2019-Jan-20.36454440)
0.00044915 TDB
period 1654.077069343678
4.53
3.7748e-05
1.033e-07
d
yr
n .2176440304216566 4.9669e-09 deg/d
Q 2.850369476965725 4.3366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      4776 days (13.08 yr)  
   first obs. used      2005-12-28  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:17:49  

Additional Information
 Earth MOID = 1.64597 au 
 Jupiter MOID = 2.25166 au 
 T_jup = 3.343 
[ 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 16.8   n/a MPO418905  

376251 (2011 EF84)          Discovered 2005-Dec-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-20 22:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin