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24713 Ekrutt (1991 RE4)
Classification: Main-belt Asteroid          SPK-ID: 2024713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2276536718536973 3.4877e-08  
a 2.334556217815337 7.5736e-09 au
q 1.803085922680795 8.2589e-08 au
i 4.946261649416424 4.727e-06 deg
node 345.0966615285386 4.9109e-05 deg
peri 334.5283473296515 5.0269e-05 deg
M 44.4561335676291 1.1477e-05 deg
tp 2458839.608122553558
(2019-Dec-22.10812255)
4.1362e-05 TDB
period 1302.881542602138
3.57
6.34e-06
1.736e-08
d
yr
n .2763106147631823 1.3446e-09 deg/d
Q 2.866026512949878 9.2977e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1164  
   data-arc span      10171 days (27.85 yr)  
   first obs. used      1991-09-12  
   last obs. used      2019-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:12:26  

Additional Information
 Earth MOID = .791851 au 
 Jupiter MOID = 2.45734 au 
 T_jup = 3.528 
[ 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 15.5   n/a MPO474091  
diameter diameter 4.949 km 0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24713 Ekrutt           Discovered 1991 Sept. 12 by L. D. Schmadel and F. Börngen at Tautenburg.
Joachim Ekrutt (b. 1948) is an enthusiastic German amateur astronomer. A lawyer and tax consultant by profession, Ekrutt published some introductory astronomical booklets, especially Die kleinen Planeten on minor planets. The name was suggested by the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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