(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:
- Davis, R. G. 2001, Minor Planet Bulletin High Precision Lightcurves for 762 Pulcova
- Merline, W. J., Close, L. M., Dumas, C., Shelton, J. C., Menard, F., Chapman, C. R., & Slater, D. C. 2000, American Astronomical Society, DPS meeting #32, #13.06 Discovery of Companions to Asteroids 762 Pulcova and 90 Antiope by Direct Imaging
- Stephens, R. D. 2000, Minor Planet Bulletin Asteroid Photometry at Santana Observatory: Results for 691 Lehigh 762 Pulcova, and 971 Alsatia
- Busarev, V. V. 1998, Icarus Spectral Features of M-Asteroids: 75 Eurydike and 201 Penelope
© 2001-2004, 2005 by Wm. Robert Johnston.
Last modified 1 September 2005.
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