(10208) 1997 QN1

compiled by Wm. Robert Johnston
last updated 3 December 2007

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: 2.2353587 AU
orbital period P: 3.34 y (=1,220.73 d)
eccentricity e: 0.2012298
perihelion distance q: 1.7855379 AU
aphelion distance Q: 2.6851795 AU
inclination i: 4.55449°
argument of perihelion omega: 114.53943°
ascending node OMEGA: 223.79323°
mean anomaly M: 9.94164°
perihelion passage TP: 2007-09-23.29
Epoch: 27 OCT 2007
data arc: 1987-2003 (201 obs.)

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

other data, primary:
diameter: (4 km?)
absolute magnitude H: 14.6 [JPL]
rotation period: ?
amplitude delta M: ?
color index B-V: ?
color index V-R: ?
color index R-I: ?
slope parameter G: (0.15) [a]
geometric albedo: ?
mass: ?
density: ?
type: ?

other data, secondary:
diameter: ?
diameter ratio Ds/Dp: ?
component magnitude difference: ?
rotation period: ?

--(10208) 1997 QN1--discovery and notes:

Primary discovered 30 August 1997 by Stroncone at Stoncone, subsequently linked to observations from 1987. Alternate designations 1987 QJ7, 1994 WP12.

Secondary identified based on lightcurve observations from 2007.

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

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2007 by Wm. Robert Johnston.
Last modified 3 December 2007.
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