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
JPL Small-Body Database Browser
Search: [ help ]  
407139 (2009 TD2)
Classification: Main-belt Asteroid          SPK-ID: 2407139
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2765119558205055 4.8128e-08  
a 3.055171934379866 5.6365e-08 au
q 2.210380367436572 1.7017e-07 au
i 3.336559350442884 1.1886e-05 deg
node 327.5846373764619 8.8447e-05 deg
peri 75.21190821927264 9.6682e-05 deg
M 348.045496401941 4.0149e-05 deg
tp 2459065.271052907405
(2020-Aug-03.77105291)		 0.00021898 TDB
period 1950.526749638671
5.34		 5.3978e-05
1.478e-07		 d
yr
n .1845655282946972 5.1076e-09 deg/d
Q 3.89996350132316 7.195e-08 au
   Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7123 days (19.50 yr)  
   first obs. used      2000-02-04  
   last obs. used      2019-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:20:21  

Additional Information
 Earth MOID = 1.22199 au 
 Jupiter MOID = 1.55595 au 
 T_jup = 3.173 
[ 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 16.7   n/a MPO476941  
diameter diameter 2.236 km 1.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

407139 (2009 TD2)          Discovered 2009-Oct-11 by Astronomical Research Observatory at Charleston
Reference: Last Updated: 2014-09-12

[ show close-approach data ]
Alternate Designations
 2009 TD2 = 2000 CP143 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-27 01:12 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin