Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
20623 Davidyoung (1999 TS11)
Classification: Main-belt Asteroid          SPK-ID: 2020623
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908602816841476 9.2789e-08  
a 2.643397635109463 2.0417e-08 AU
q 2.138878017869261 2.4123e-07 AU
i 12.62551370640965 8.1103e-06 deg
node 326.3453950192067 2.927e-05 deg
peri 23.48371537318553 3.3625e-05 deg
M 167.9978444784426 2.1514e-05 deg
tp 2456067.939696222901
(2012-May-20.43969622)
8.8582e-05 JED
period 1569.79222071862
4.30
1.8187e-05
4.979e-08
d
yr
n .2293297133522544 2.6569e-09 deg/d
Q 3.147917252349665 2.4313e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      8678 days (23.76 yr)  
   first obs. used      1990-07-26  
   last obs. used      2014-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49703  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:45:46  

Additional Information
 Earth MOID = 1.13606 AU 
 T_jup = 3.334 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a PDS3 (MPO 7892)  

20623 Davidyoung           Discovered 1999 Oct. 10 by M. Abraham and G. Fedon at the Everstar Observatory.
David Young (b. 1955) has been for many years a great contributor to the astronomy community. He has always been there to help and has selflessly given countless hours to education, public programs and scientific research. He has often donated equipment and his technical expertise whenever and however needed.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 TS11 = 1990 OG2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-23 20:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin