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Asteroids with Satellites Database--Johnston's Archive

(2873) Binzel

compiled by Wm. Robert Johnston
last updated30 April 2022

--Orbital and physical data--

(Seethis page for definitions of quantities; source codes in brackets, seethis link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)

dynamical type, primary:main belt asteroid

orbital data, primary (osculating elements)[JPL]:

semimajor axisa:2.2508894 AU
orbital periodP:2.377065443 yr
(= 1233.473153 d)
eccentricitye:0.158346491
perihelion distanceq:2.60731 AU
aphelion distanceQ:1.89446908 AU
inclinationi:5.90110044°
argument of perihelionω:168.206724°
ascending nodeΩ:100.9690544°
mean anomalyM:160.4942788°
perihelion passageTP:2019 Dec 29.096155
Epoch:2021 Jul 01
data arc:1935-2021(3299 obs.)
Earth MOID:0.878663 AU
Jupiter Tisserand invariantTJ:3.604

orbital data, secondary:

semimajor axisas:21 km[*E]
separation/primary radiusas/rp:6.7 [*E]
separation/Hill radiusas/rH:0.017 [*E]
orbital periodPs:1.8575± 0.0012d [V19b]
eccentricityes:?
normalized ang. mom.αL:?
other data, system (combined):
absolute mag.H:12.87[MPC]
slope parameterG:(0.15) [*A]
effective diameterdE:6.43± 0.47 km [M14c]
geometric albedo:0.272± 0.060[M14c]
color indexU-B:?
color indexB-V:?
taxonomic type:Sq (SMASSII) [JPL]
massm:?
densityρ:(1.6 g/cm3) [*A]
Hill radiusrH:1270 km [*E]

other data, primary:

diameterdp:6.24 km [*D]
rotation periodRPp:2.70371± 0.00008h [V19b]
amplitude in mag., rotationalΔM:0.11 [V19b]
amplitude in mag., mutual eventsΔM:0.065 ±0.025 [V19b]
pole directionΒ, λ:?,?

other data, secondary:

diameterds:>1.56km [*D]
diameter ratiods/dp:>0.25 [V19b]
component mag. differenceΔM:<3.01 [*D]
rotation periodRPs:?

--(2873) Binzel --discovery and notes:

Primary discovered1982 Mar 28from Anderson Mesa Station, Flagstaff, Arizona, USAby E. Bowell.Alternate designation(s):1982 FR, 1935 KH, 1935 MH, 1938 GA, 1959 RA1.Linked to prediscovery observations from 1935 May 24.Permanent number assigned 1983 Apr 27.

Named 1984 Nov 08 for Richard P. Binzel (1958-) [MPC009215].

Companion discovered2019 Mar 08 by F. Vachier, P. Pravec, H. Kucakova, K. Hornoch, P. Kusnirak, D. Pray, W. Cooney, J. Gross, D. Terrell, B. Flanagan, B. Pellerin, R. Durkee, V. Benishek, J. Berthier, A. Klotz, J.-P. Teng, A. Peyrot, and P. Thierryusinglightcurve observations from Observatoire des Makes; Ondrejov Observatory, Czech Republic; Sugarloaf Mountain Obervatory, South Deerfield, Massachusetts, USA; Sonoita Research Observatory, Sonoita, Arizona, USA; Madrona Peak Observatory; Shed of Science South Observatory, Pontotoc, Texas, USA; Sopot Observatory, Serbia.Announced2019 May 17 [V19b].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

©2019-2021, 2022by Wm. Robert Johnston.
Last modified30 April 2022.
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