(762) Pulcova

compiled by Wm. Robert Johnston
last updated 1 September 2005

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: 3.15916796131631 AU
orbital period P: 5.6152 y (=2051.0 d)
eccentricity e: 0.0965019117872096
perihelion distance q: 2.85430221339238 AU
aphelion distance Q: 3.46403371 AU
inclination i: 13.0494010519624°
argument of perihelion omega: 188.097191977308°
ascending node OMEGA: 306.038473169867°
mean anomaly M: 332.086734199637°
perihelion passage TP: 2005-07-08.0250906
Epoch: 30 JAN 2005
data arc: 1916-2005 (621 obs.)

orbital data, secondary:
semimajor axis a: 810 km [A3a]
semimajor axis/primary radius a/Rp: (12)
orbital period P: 4.0 d [M00a]
eccentricity e: ?

other data, primary:
diameter: 137.1 ± 3.2 km [IR]
absolute magnitude H: 8.28 [JPL]
rotation period: 5.839 h [MPb]
amplitude delta M: 0.30 [MPb]
color index U-B: 0.345 ± 0.034 [SBa]
color index B-V: 0.658 ± 0.033 [SBa]
color index V-R: ?
color index R-I: ?
slope parameter G: (0.15) [a]
geometric albedo: 0.046 ± 0.002 [IR]
mass: 2.6x1018 kg [A3a]
density: 1.8 ± 0.8 g/cm3 [A3a,M00a]
type: FC [M00a]

other data, secondary:
diameter: 20 km [A3a]
diameter ratio Ds/Dp: (0.15)
component magnitude difference: ?
rotation period: ?

--(762) Pulcova--discovery and notes:

Primary discovered 3 September 1913 from Simeis, Crimea, Russia, by G. N. Neujmin. Alternate designations 1913 SQ and 1952 QM1.

Companion discovered 22 February 2000 by William J. Merline, L. M. Close, C. Dumas, J. C. Shelton, F. Menard, C. R. Chapman, and D. C. Slater using the adaptive optical telescope CFHT; announced 24 October 2000.

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

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2001-2004, 2005 by Wm. Robert Johnston.
Last modified 1 September 2005.
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