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 ]  
1513 Matra (1940 EB)
Classification: Main-belt Asteroid          SPK-ID: 2001513
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09902066648528761 4.9194e-08  
a 2.192973476178911 1.0103e-08 AU
q 1.975823780983117 1.1262e-07 AU
i 3.976947993128535 4.4531e-06 deg
node 136.2261734089215 8.0728e-05 deg
peri 26.90450685669303 8.5161e-05 deg
M 320.5158940282793 2.8682e-05 deg
tp 2456930.597305973688
(2014-Sep-30.09730597)
9.4608e-05 JED
period 1186.174259183472
3.25
8.197e-06
2.244e-08
d
yr
n .3034967225201914 2.0973e-09 deg/d
Q 2.410123171374704 1.1103e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      23308 days (63.81 yr)  
   first obs. used      1950-06-15  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46104  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:31:25  

Additional Information
 Earth MOID = .985121 AU 
 T_jup = 3.662 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.33 mag n/a PDS3 (MPC 17262)  
rotation period rot_per 24. h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Binzel, R.P.; Mulholland, J.D. (1983) Icarus 56, 519-533.]

1513 Matra           Discovered 1940 Mar. 10 by G. Kulin at Budapest.
Named for the mountain in northern Hungary where an outstation of the Konkoly Observatory is located.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5182Last Updated: 2006-03-21

Alternate Designations
 1940 EB = 1940 EO 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-30 15:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin