Asteroids with Satellites Database--Johnston's Archive

(15107) Toepperwein

compiled by Wm. Robert Johnston
last updated 11 June 2021

--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: 2.272216335 AU
orbital period P: 3.425109943 yr
(= 1251.0450341 d)
eccentricity e: 0.17668547
perihelion distance q: 1.870748725 AU
aphelion distance Q: 2.673683945 AU
inclination i: 4.5964691°
argument of perihelion ω: 14.454126°
ascending node Ω: 266.028127°
mean anomaly M: 14.454126°
perihelion passage TP: 2021 Sep 25.577022
Epoch: 2020 Dec 17
data arc: 1991-2021 (1916 obs.)
Earth MOID: 0.852824 AU
Jupiter Tisserand invariant TJ: 3.587


orbital data, secondary:
semimajor axis as: 5.4 km [*E]
separation/primary radius as/rp:3.8 [*E]
separation/Hill radius as/rH:0.013 [*E]
orbital period Ps: 0.8168 ± 0.0002 d [P21c]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 14.54 [MPC]
14.82 ± 0.02 [P21c]
slope parameter G: (0.15) [*A]
effective diameter dE: 2.86 ± 0.33 km [M**]
geometric albedo: 0.412 ± 0.093 [M**]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 410 km [*E]

other data, primary:
diameter dp: 2.81 km [*D]
rotation period RPp: 2.5327 ± 0.0001 h [P21c]
amplitude in mag., rotational ΔM: 0.12 [P21c]
amplitude in mag., mutual events ΔM:0.04 [P21c]
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: >0.53 km [*D]
diameter ratio ds/dp: >0.19 [P21c]
component mag. difference ΔM: <3.6 [*D]
rotation period RPs: ?

-- (15107) Toepperwein --discovery and notes:

Primary discovered 2000 Feb 02 from Socorro, New Mexico, USA by Lincoln Laboratory Near-Earth Asteroid Research Team. Alternate designation(s): 2000 CR49, 1993 BT13, 1998 WK20. Linked to prediscovery observations from 1991 Nov 08. Permanent number assigned 2000 May 23.

Named 2001 Oct 02 for Mary Anne J. Toepperwein [MPC043686].

Companion discovered 0 by Pravec, P., P. Kusnirak, K. Hornoch, P. Fatka, and H. Kucakova using lightcurve observations. Announced 2021 May 08 [P21c].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2021 by Wm. Robert Johnston.
Last modified 11 June 2021.
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