Asteroids with Satellites Database--Johnston's Archive

(13920) Montecorvino

compiled by Wm. Robert Johnston
last updated 9 October 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: Mars crossing asteroid

orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 2.1638556972 AU
orbital period P: 3.1830425404 yr
(= 1162.6282455 d)
eccentricity e: 0.23781968
perihelion distance q: 1.649248229 AU
aphelion distance Q: 2.6784631658 AU
inclination i: 3.1376093°
argument of perihelion ω: 9.508135°
ascending node Ω: 308.405517°
mean anomaly M: 347.4636641°
perihelion passage TP: 2020 Jul 10.486384
Epoch: 2020 May 31
data arc: 1979-2020 (1716 obs.)
Earth MOID: 0.636036 AU
Jupiter Tisserand invariant TJ: 3.656

orbital data, secondary:
semimajor axis as: 4.5 km [*E]
separation/primary radius as/rp:3.3 [*E]
separation/Hill radius as/rH:0.013 [*E]
orbital period Ps: 0.6448 ± 0.0002 d [P20e]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 14.7 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 2.81 km [M**]
geometric albedo: 0.324 [M**]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 350 km [*E]

other data, primary:
diameter dp: 2.74 km [*D]
rotation period RPp: 2.20231 ± 0.00009 h [P20e]
amplitude in mag., rotational ΔM: 0.17 [P20e]
amplitude in mag., mutual events ΔM:0.075 ±0.025 [P20e]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: 0.60 km [*D]
diameter ratio ds/dp: 0.22 ± 0.02 [P20e]
component mag. difference ΔM: 3.29 ± 0.20 [*D]
rotation period RPs: ?

-- (13920) Montecorvino --discovery and notes:

Primary discovered 1985 Aug 15 from Anderson Mesa Station, Flagstaff, Arizona, USA by E. Bowell. Alternate designation(s): 1985 PE1, 1979 WM8. Linked to prediscovery observations from 1979 Nov 24. Permanent number assigned 2000 Jul 21.

Named 2005 Jul 21 for the town of Montecorvino in Campania, Italy [MPC054562].

Companion discovered 2020 Aug 13 by D. Pray, P. Pravec, M. Husarik, G. Cervak, M. Pikler, V. Chiorny, V. Benishek, and P. Sogorb using lightcurve observations from Sugarloaf Mountain Observatory, South Deerfield, Massachusetts, USA; Skalnate Pleso Observatory, Slovakia; Chuguev Station, Kharkiv Observatory, Ukraine; Sopot Observatory, Serbia; Bastidan Observatory, France. Announced 2020 Sep 23 [P20e].

--Links, more technical:

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--Links to ADS abstracts:

© 2020, 2021 by Wm. Robert Johnston.
Last modified 9 October 2021.
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