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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09865679616851192 3.7507e-08  
a 2.192659726984583 7.499e-09 au
q 1.97633894323256 8.3148e-08 au
i 3.977420745489277 3.9855e-06 deg
node 136.2259867663749 7.7592e-05 deg
peri 26.95871421282456 8.2241e-05 deg
M 142.6038179279818 2.857e-05 deg
tp 2456930.731449290004
(2014-Sep-30.23144929)
9.3943e-05 JED
period 1185.919708973053
3.25
6.0838e-06
1.666e-08
d
yr
n .3035618661837925 1.5573e-09 deg/d
Q 2.408980510736606 8.2388e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      23807 days (65.18 yr)  
   first obs. used      1950-06-15  
   last obs. used      2015-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46596  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:01:38  

Additional Information
 Earth MOID = .98537 au 
 Jupiter MOID = 2.56673 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 LCDB (Rev. 2015-December); Warner et al., 2009 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 ]
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