+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   7509 Gamzatov (1977 EL) Classification: Main-belt Asteroid          SPK-ID: 2007509 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1484078484966644 3.6302e-08   a 2.21842868082999 6.0114e-09 au q 1.889196453264718 8.3221e-08 au i 6.150830444379465 3.1727e-06 deg node 130.9508513164047 3.1406e-05 deg peri 122.1869447077822 3.3877e-05 deg M 304.1039594596405 1.4728e-05 deg tp 2459187.889468057619 (2020-Dec-04.38946806) 4.9747e-05 TDB period 1206.887068361012 3.30 4.9056e-06 1.343e-08 d yr n .2982880581270049 1.2124e-09 deg/d Q 2.547660908395263 6.9035e-09 au   Orbit Determination Parameters    # obs. used (total)      2552      data-arc span      16344 days (44.75 yr)      first obs. used      1975-10-30      last obs. used      2020-07-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45492      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 23:51:16   Additional Information  Earth MOID = .882977 au   Jupiter MOID = 2.50635 au   T_jup = 3.630  [ 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 13.6   n/a MPO458905   diameter diameter 3.866 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 249. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm] [Benishek, V. (2018) Minor Planet Bull. 45, 82-91.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.440   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   7509 Gamzatov           Discovered 1977 Mar. 9 by N. S. Chernykh at the Crimean Astrophysical Observatory. Celebrated poet Rasul Gamzatovich Gamzatov (b. 1923) is the national poet of Daghestan. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20000124/MPCPages.arc Last Updated: 2013-03-29 Alternate Designations  1977 EL = 1975 UQ = 1991 PA17  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 10:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin