(2486) Metsahovi

compiled by Wm. Robert Johnston
last updated 28 November 2008

Orbital elements and other data (Assumed or derived values in parenthesis, my estimates in italics and parenthesis. Source identifications in brackets, see this link for sources):

orbital data, primary (osculating elements) [JPL]:
semimajor axis a: 2.268331 AU
orbital period P: 3.42 y (=1,247.84 d)
eccentricity e: 0.079973
perihelion distance q: 2.086926 AU
aphelion distance Q: 2.449735 AU
inclination i: 8.406°
argument of perihelion omega: 100.624°
ascending node OMEGA: 0.106°
mean anomaly M: 31.486°
perihelion passage TP: 2006-12-21.864
Epoch: 10 APR 2007
data arc: 1939-2003 (246 obs.)

orbital data, secondary:
semimajor axis a: ?
semimajor axis/primary radius a/Rp: ?
orbital period P: ?
eccentricity e: ?

other data, primary:
diameter: (12 km?)
absolute magnitude H: 12.4 [JPL]
12.14 ± 0.2 [C860]
rotation period: 4.4518 h or 2.6404 h [C860]
amplitude delta M: 0.12 and 0.04 [C860]
color index B-V: ?
color index V-R: ?
color index R-I: ?
slope parameter G: (0.15) assumed
geometric albedo: (0.12) assumed
mass: ?
density: ?
type: ?

other data, secondary:
diameter: ?
diameter ratio Ds/Dp: ?
component magnitude difference: ?
rotation period: 4.4518 h or 2.6404 h [C860]

--(2486) Metsahovi--discovery and notes:

Primary discovered 22 March 1939 by Y. Vaisala from Turku. Alternate designations 1939 FY, 1961 TZ, 1970 FE, 1970 GN, 1975 WC, 1978 SW2.

Companion identified by M. Pikler, M. Husarik, G. Cervak, W. Cooney, J. Gross, D. Terrell, P. Pravec, P. Kusnirak, A. Galad, J. Vilagi, L. Kornos, S. Gajdos, V. Reddy, and R. Dyvig based on lightcurve observations from 12 December 2006 to 26 January 2007, announced 26 February 2007.

See more information and links at Asteroid/Comet Connection Catchall Catalog page

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2007, 2008 by Wm. Robert Johnston.
Last modified 28 November 2008.
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