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 ]  
376963 (2002 GC139)
Classification: Main-belt Asteroid          SPK-ID: 2376963
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1750162082995681 1.2098e-07  
a 2.683837363280836 3.5311e-08 au
q 2.214122324266714 3.4171e-07 au
i 9.389932596048171 1.1878e-05 deg
node 164.8482180844433 3.5854e-05 deg
peri 9.665053700826787 4.0151e-05 deg
M 58.00314408350201 2.2299e-05 deg
tp 2458741.749168898752
(2019-Sep-15.24916890)
9.5829e-05 TDB
period 1605.952585300361
4.40
3.1694e-05
8.677e-08
d
yr
n .2241660204013242 4.424e-09 deg/d
Q 3.153552402294959 4.1491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6134 days (16.79 yr)  
   first obs. used      2002-03-16  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:41:08  

Additional Information
 Earth MOID = 1.22001 au 
 Jupiter MOID = 1.81099 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO423384  
diameter diameter 2.582 km 0.754 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

376963 (2002 GC139)          Discovered 2002-Apr-13 by NEAT at Palomar
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 01:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin