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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09908098025792127 3.1462e-08  
a 2.192756195442527 4.8543e-09 au
q 1.975495762131452 6.9083e-08 au
i 3.978066488997294 2.9568e-06 deg
node 136.1861868129136 5.4345e-05 deg
peri 26.81075379096625 5.708e-05 deg
M 329.1997195042994 1.7774e-05 deg
tp 2459301.969639593485
(2021-Mar-28.46963959)
5.86e-05 TDB
period 1185.997973581887
3.25
3.9383e-06
1.078e-08
d
yr
n .3035418339820156 1.008e-09 deg/d
Q 2.410016628753603 5.3353e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2787  
   data-arc span      25787 days (70.60 yr)  
   first obs. used      1950-06-15  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42195  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:56:02  

Additional Information
 Earth MOID = .984198 au 
 Jupiter MOID = 2.56115 au 
 T_jup = 3.662 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.24   n/a E2021B10  
diameter diameter 6.603 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 34.48 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Rowe, B. (2019) Minor Planet Bull. 46, 92-94.]
geometric albedo albedo 0.189   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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