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 ]  
344139 (2000 GX139)
Classification: Main-belt Asteroid          SPK-ID: 2344139
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180434431402006 7.8546e-08  
a 2.340000194528201 1.469e-08 au
q 1.917783589947921 1.7954e-07 au
i 6.130504909741931 6.5062e-06 deg
node 69.01935496187227 6.3268e-05 deg
peri 144.6548485199663 6.5045e-05 deg
M 107.9763387741688 1.506e-05 deg
tp 2458208.353481342873
(2018-Mar-30.85348134)
5.4342e-05 TDB
period 1307.441503567061
3.58
1.2311e-05
3.371e-08
d
yr
n .2753469268168562 2.5928e-09 deg/d
Q 2.762216799108479 1.734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-04-04  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:23:10  

Additional Information
 Earth MOID = .91485 au 
 Jupiter MOID = 2.21119 au 
 T_jup = 3.535 
[ 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 17.1   n/a MPO450303  
diameter diameter 2.420 km 0.596 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344139 (2000 GX139)          Discovered 2000-Apr-04 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2000 GX139 = 2005 VT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-05 22:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin