Asteroids with Satellites Database--Johnston's Archive

(13920) Montecorvino

compiled by Wm. Robert Johnston
last updated 27 May 2019

--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: ?
orbital period Ps: ?
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: 360 km [*E]

other data, primary:
diameter dp: 2.81 km [M**]
rotation period RPp: ?
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: ?

-- (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 by D. Pray, P. Pravec, M. Husarik, G. Cervak, M. Pikler, V. Chiorny, V. Benishek, P. Sogorb using lightcurve observations. Announced 2020 Sep 23 [P20e].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2020 by Wm. Robert Johnston.
Last modified 11 October 2020
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