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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05090094692561341 3.1114e-07  
a 2.917064712487597 4.6919e-08 au
q 2.768583356378686 9.161e-07 au
i 5.424767134329835 1.1723e-05 deg
node 115.3951494753232 0.00035609 deg
peri 196.0080630251287 0.00066445 deg
M 98.42097510825499 0.00052225 deg
tp 2458102.989002706790
(2017-Dec-15.48900271)
0.0026425 TDB
period 1819.774279096056
4.98
4.3905e-05
1.202e-07
d
yr
n .1978267327631558 4.7729e-09 deg/d
Q 3.065546068596508 4.9307e-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 = 1.75365 au 
 Jupiter MOID = 2.08416 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 2019-Dec-11 14:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin