Asteroids with Satellites Database--Johnston's Archive

(1770) Schlesinger

compiled by Wm. Robert Johnston
last updated 16 July 2017

--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: main belt asteroid


orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 2.4571691025 AU
orbital period P: yr
(= 1406.860368 d)
eccentricity e: 0.060822697
perihelion distance q: 2.30771745 AU
aphelion distance Q: 2.6066207546 AU
inclination i: 5.2932146°
argument of perihelion ω: 40.209379°
ascending node Ω: 21.923622°
mean anomaly M: 202.095059°
perihelion passage TP: 2019 May 14.08390
Epoch: 2017 Sep 04
data arc: 1930-2017 (1922 obs.)
Earth MOID: 1.32289 AU
Jupiter Tisserand invariant TJ: 3.484


orbital data, secondary:
semimajor axis as: ?
orbital period Ps: ?
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 12.1 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 10.61 ± 0.09 km [M11b]
geometric albedo: 0.207 ± 0.033 [M11b]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 1900 km [*E]

other data, primary:
diameter dp: 10.61 ± 0.09 km [M11b]
rotation period RPp: 2.88036 h [JPL]
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: ?
diameter ratio ds/dp: ?
component mag. difference ΔM: ?
rotation period RPs: ?

-- (1770) Schlesinger --discovery and notes:

Primary discovered 1967 May 10 from El Leoncito by C. U. Cesco, A. R. Klemola. Alternate designation(s): 1967 JR, 1930 YX, 1937 RN, 1941 UH, 1943 DK, 1959 GQ, 1968 SA. Linked to prediscovery observations from 1930 Dec 20. Permanent number assigned -.

Named 197? for Frank Schlesinger (1871-1943) [MPC3934].

Companion discovered 2016 using lightcurve observations. Announced 2016 Dec.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2017 by Wm. Robert Johnston.
Last modified 16 July 2017.
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