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Asteroids with Satellites Database--Johnston's Archive

(13920) Montecorvino

compiled by Wm. Robert Johnston
last updated9 October 2021

--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:Mars crossing asteroid


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

semimajor axisa:2.1638556972 AU
orbital periodP:3.1830425404 yr
(= 1162.6282455 d)
eccentricitye:0.23781968
perihelion distanceq:1.649248229 AU
aphelion distanceQ:2.6784631658 AU
inclinationi:3.1376093°
argument of perihelionω:9.508135°
ascending nodeΩ:308.405517°
mean anomalyM:347.4636641°
perihelion passageTP:2020 Jul 10.486384
Epoch:2020 May 31
data arc:1979-2020(1716 obs.)
Earth MOID:0.636036 AU
Jupiter Tisserand invariantTJ:3.656

orbital data, secondary:

semimajor axisas:4.5 km[*E]
separation/primary radiusas/rp:3.3 [*E]
separation/Hill radiusas/rH:0.013 [*E]
orbital periodPs:0.6448± 0.0002d [P20e]
eccentricityes:?
normalized ang. mom.αL:?
other data, system (combined):
absolute mag.H:14.7[MPC]
slope parameterG:(0.15) [*A]
effective diameterdE:2.81 km [M**]
geometric albedo:0.324[M**]
color indexU-B:?
color indexB-V:?
taxonomic type:?
massm:?
densityρ:(1.6 g/cm3) [*A]
Hill radiusrH:350 km [*E]

other data, primary:

diameterdp:2.74 km [*D]
rotation periodRPp:2.20231± 0.00009h [P20e]
amplitude in mag., rotationalΔM:0.17 [P20e]
amplitude in mag., mutual eventsΔM:0.075 ±0.025 [P20e]
pole directionΒ, λ:?,?

other data, secondary:

diameterds:0.60km [*D]
diameter ratiods/dp:0.22± 0.02 [P20e]
component mag. differenceΔM:3.29± 0.20 [*D]
rotation periodRPs:?

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

Primary discovered1985 Aug 15from Anderson Mesa Station, Flagstaff, Arizona, USAby 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 discovered2020 Aug 13 by D. Pray, P. Pravec, M. Husarik, G. Cervak, M. Pikler, V. Chiorny, V. Benishek, and P. Sogorbusinglightcurve observations from Sugarloaf Mountain Observatory, South Deerfield, Massachusetts, USA; Skalnate Pleso Observatory, Slovakia; Chuguev Station, Kharkiv Observatory, Ukraine; Sopot Observatory, Serbia; Bastidan Observatory, France.Announced2020 Sep 23 [P20e].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


©2020, 2021by Wm. Robert Johnston.
Last modified9 October 2021.
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