Asteroids with Satellites Database--Johnston's Archive

(7002) Bronshten

compiled by Wm. Robert Johnston
last updated 30 December 2018

--Orbital and physical data--

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

dynamical type, primary: Mars crossing asteroid

orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 2.3575258133 AU
orbital period P: 3.619800911 yr
(= 1322.1572533 d)
eccentricity e: 0.332164516
perihelion distance q: 1.57443939 AU
aphelion distance Q: 3.1406122345 AU
inclination i: 4.5816271°
argument of perihelion ω: 144.055308°
ascending node Ω: 193.214363°
mean anomaly M: 57.0357612°
perihelion passage TP: 2018 Sep 29.527096
Epoch: 2019 Apr 27
data arc: 1971-2018 (1133 obs.)
Earth MOID: 0.567588 AU
Jupiter Tisserand invariant TJ: 3.473

orbital data, secondary:
semimajor axis as: 4.5 km [*E]
separation/primary radius as/rp:3.0 [*E]
separation/Hill radius as/rH:0.008 [*E]
orbital period Ps: 0.5551 ± 0.0001 d [W19a]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 14.8 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 3.12 km [M**]
geometric albedo: 0.218 [M**]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 560 km [*E]

other data, primary:
diameter dp: 3.03 km [*D]
rotation period RPp: 2.67025 ± 0.00007 h [W19a]
amplitude in mag., rotational ΔM: 0.13 [W19a]
amplitude in mag., mutual events ΔM:0.085 ±0.025 [W19a]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: >0.73 km [*D]
diameter ratio ds/dp: >0.24 ± 0.02 [W19a]
component mag. difference ΔM: <3.1 [*D]
rotation period RPs: ?

-- (7002) Bronshten --discovery and notes:

Primary discovered 1971 Jul 26 from Crimean Astrophysical Observatory, Ukraine, USSR by N. S. Chernykh. Alternate designation(s): 1971 OV, 1971 QM, 1982 SL4. Permanent number assigned 1996 Jun 01.

Named 2000 Jan 24 for Vitalij Aleksandrovich Bronshten (1918-) [MPC038196].

Companion discovered 2018 Jul 05 by B. D. Warner and R. D. Stephens using lightcurve observations from CS3, Landers, California, USA. Announced 2018 Dec [W19a].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2018 by Wm. Robert Johnston.
Last modified 30 December 2018.
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