1994 AW1
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: |
1.10460944279884 AU
| |
orbital period P: |
1.161 y (=424.1 d)
| |
eccentricity e: |
0.0753274505545087
| |
perihelion distance q: |
1.02140202961437 AU
| |
aphelion distance Q: |
1.18781686 AU
| |
inclination i: |
24.0998040832254°
| |
argument of perihelion omega: |
37.1232994944978°
| |
ascending node OMEGA: |
290.428082754507°
| |
mean anomaly M: |
325.185914736065°
| |
perihelion passage TP: |
2005-03-12.0075707
| |
Epoch: |
30 JAN 2005
| |
data arc: |
1986-2002 (291 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(2.1 km)
| |
semimajor axis/primary radius a/Rp: |
4.6 [A3a]
| |
orbital period P: |
0.9332 ± 0.0010 d ? [P97a]
| |
eccentricity e: |
<=0.05 [OOa]
| |
other data, primary:
|
diameter: |
0.9 km [OOa]
| |
absolute magnitude H: |
16.97 [JPL]
| |
rotation period: |
2.51933 ± 0.00014 h [P97a]
| |
amplitude delta M: |
0.10 [MPb]
| |
color index B-V: |
?
| |
color index V-R: |
0.42 ± 0.03 [P97a]
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
(0.16) [a]
| |
mass: |
?
| |
density: |
?
| |
type: |
Sa [SBd]
|
other data, secondary:
|
diameter: |
(0.5 km)
| |
diameter ratio Ds/Dp: |
0.53 ± 0.02 [P97a]
| |
component magnitude difference: |
?
| |
rotation period: |
?
|
|
--1994 AW1--discovery and notes:
Primary discovered 11 January 1994 by K. J. Lawrence and E. F. Helin from Palomar Mountain Observatory, California, USA. Linked to observations from 1986.
Companion discovered January 1994 by S. Mottola, G. De Angelis, M. Di Martino, A. Erikson, G. Hahn, G. Neukum, P. Pravec, M. Wolf, M. Varady, and P. Barta from ESO and Ondrejov Observatory.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Tesi, L., Boattini, A., Tombelli, M., Forti, G., Hicks, M., Lawrence, K., McConnochie, T., & Williams, G. V. 1999, Minor Planet Electronic Circ., 1999-X21 (1999). 1994 AW1
- Pravec, Petr, Wolf, Marek, & Sarounova, Lenka 1998, Icarus Occultation/Eclipse Events in Binary Asteroid 1991 VH
- Pravec, P. & Hahn, G. 1997, Icarus Two-Period Lightcurve of 1994 AW_1: Indication of a Binary Asteroid?
- Boattini, A., Tombelli, M., Goretti, V., McNaught, R. H., Garradd, G. J., Asher, D. J., Steel, D. I., Meyer, E., Sicoli, P., Cavagna, M., Testa, A., Giuliani, V., Balam, D. D., Tatum, J. B., & Williams, G. V. 1994, Minor Planet Electronic Circ., 1994-B10 (1994). 1994 AW1
- Urata, T., Pravec, P., & Williams, G. V. 1994, Minor Planet Electronic Circ., 1994-B02 (1994). 1994 AW1
- Lawrence, K., Helin, E. F., Rogers, J. E., Marsden, B. G., Rose, P., & Williams, G. V. 1994, Minor Planet Electronic Circ., 1994-A06 (1994). 1994 AW1
© 2001-2004, 2005 by Wm. Robert Johnston.
Last modified 1 September 2005.
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