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6587 Brassens (1984 WA4)
Classification: Main-belt Asteroid          SPK-ID: 2006587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06605257424199852 2.912e-08  
a 2.454630071851684 7.6637e-09 au
q 2.292495436794058 7.1641e-08 au
i 4.917770130296804 3.9978e-06 deg
node 349.8458110859278 3.5875e-05 deg
peri 32.24934017605666 4.7139e-05 deg
M 176.6421706205572 3.0729e-05 deg
tp 2458511.261712615381
(2019-Jan-27.76171262)
0.00011928 TDB
period 1404.680335317315
3.85
6.5784e-06
1.801e-08
d
yr
n .2562860680459917 1.2002e-09 deg/d
Q 2.61676470690931 8.1699e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2342  
   data-arc span      25550 days (69.95 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:32:10  

Additional Information
 Earth MOID = 1.29472 au 
 Jupiter MOID = 2.6576 au 
 T_jup = 3.485 
[ 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 13.61   n/a E2021B10  
diameter diameter 4.111 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.2 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:
[Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2007) Planet. Space Sci. 55, 986-997.]
geometric albedo albedo 0.456   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6587 Brassens           Discovered 1984 Nov. 27 at Caussols.
Named in memory of Georges Brassens (1921-1981), a French poet born on the Mediterranean coast. This gruff artist with a soft heart sang of human nature through texts that were often nonconformist. Henceforth, accompanied by his faithful guitar, he will belong to the heritage of French culture. Citation provided by members of the Groupement d´Astronomie Populaire de la Région d´Antibes, translated by C. Hayter.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19961224/MPCPages.arcLast Updated: 2003-09-26

Alternate Designations
 1984 WA4 = 1976 SN5 = 1991 PA22 = 1993 BL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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