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 ]  
379721 (2011 GM39)
Classification: Main-belt Asteroid          SPK-ID: 2379721
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05107548494688188 3.132e-07  
a 2.917097629100808 4.7332e-08 au
q 2.768105453057085 9.2284e-07 au
i 5.425274884914144 1.173e-05 deg
node 115.3925297644289 0.00035602 deg
peri 196.2471001890428 0.00066153 deg
M 177.282192077908 0.00051844 deg
tp 2458104.336016851749
(2017-Dec-16.83601685)
0.0026257 TDB
period 1819.805081108163
4.98
4.4291e-05
1.213e-07
d
yr
n .1978233843488224 4.8147e-09 deg/d
Q 3.066089805144532 4.9749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      6446 days (17.65 yr)  
   first obs. used      2001-02-20  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49554  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:07:09  

Additional Information
 Earth MOID = 1.75403 au 
 Jupiter MOID = 2.08475 au 
 T_jup = 3.273 
[ 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 16.6   n/a MPO455732  

379721 (2011 GM39)          Discovered 2008-Oct-03 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 2020-Feb-27 18:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin