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 ]  
39429 Annebronte (4223 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039429
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122332682590798 8.7534e-08  
a 2.430807517626019 1.9697e-08 AU
q 2.133440313132949 2.2063e-07 AU
i 11.29566035637537 9.4208e-06 deg
node 171.5930102660542 3.3808e-05 deg
peri 14.52370057184714 4.7503e-05 deg
M 138.4459543214767 3.3475e-05 deg
tp 2456468.144124585915
(2013-Jun-24.64412459)
0.00012667 JED
period 1384.281079850528
3.79
1.6826e-05
4.607e-08
d
yr
n .2600627901660493 3.161e-09 deg/d
Q 2.728174722119088 2.2107e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      14998 days (41.06 yr)  
   first obs. used      1973-09-24  
   last obs. used      2014-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61751  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:14:18  

Additional Information
 Earth MOID = 1.13887 AU 
 T_jup = 3.471 
[ 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 15.1 mag n/a MPO313717  

39429 Annebrontë           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Anne Brontë (1820-1849) was the third, last and least well known of the literary sisters from northern England.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 4223 T-2 = 1998 EV6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-20 22:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin