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 ]  
379677 (2011 FD21)
Classification: Main-belt Asteroid          SPK-ID: 2379677
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0694554060099571 2.7753e-07  
a 2.583913321853278 3.9215e-08 au
q 2.404446572989421 7.2227e-07 au
i 7.064705058202871 1.2171e-05 deg
node 21.99536219724282 5.2237e-05 deg
peri 355.514221172092 8.0031e-05 deg
M 143.7275324098919 5.0854e-05 deg
tp 2457994.806647786652
(2017-Aug-29.30664779)
0.00021816 TDB
period 1517.103947592703
4.15
3.4537e-05
9.456e-08
d
yr
n .2372942213822841 5.402e-09 deg/d
Q 2.763380070717134 4.1939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2001-12-20  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:02:20  

Additional Information
 Earth MOID = 1.40532 au 
 Jupiter MOID = 2.55024 au 
 T_jup = 3.409 
[ 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 17.0   n/a MPO427887  

379677 (2011 FD21)          Discovered 2007-Apr-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 16:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin