(66063) 1998 RO1
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: |
0.990959113758021 AU
| |
orbital period P: |
0.9865 y (=360.3 d)
| |
eccentricity e: |
0.72013684248407
| |
perihelion distance q: |
0.277332946545507 AU
| |
aphelion distance Q: |
1.70458528 AU
| |
inclination i: |
22.6707269195236°
| |
argument of perihelion omega: |
151.060103936805°
| |
ascending node OMEGA: |
351.922821289812°
| |
mean anomaly M: |
72.6366372049579°
| |
perihelion passage TP: |
2004-11-18.2998578
| |
Epoch: |
30 JAN 2005
| |
data arc: |
1996-2004 (1134 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(0.8 km?)
| |
semimajor axis/primary radius a/Rp: |
1.7? [OOc]
| |
orbital period P: |
14.53 ± 0.01 h [OOc]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(0.9 km) [a]
| |
triaxial ratio a/b: |
1.1 [OOc]
| |
absolute magnitude H: |
17.93 [JPL]
| |
rotation period: |
2.4924 ± 0.0002 h [OOc]
| |
amplitude delta M: |
0.13 [OOc]
| |
color index B-V: |
?
| |
color index V-R: |
?
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
(0.16) [a]
| |
mass: |
?
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
(>= 0.36 km)
| |
triaxial ratio a/b: |
1.5 [OOc]
| |
diameter ratio Ds/Dp: |
>= 0.4 [OOc]
| |
component magnitude difference: |
?
| |
rotation period: |
?
|
|
--(66063) 1998 RO1--discovery and notes:
Primary discovered 14 September 1998 by LINEAR Program, Lincoln Laboratory ETS, Socorro, New Mexico, USA.
Companion discovered from lightcurve observations 13-28 September 2002 from Ondrejov Observatory and University of Western Ontario by P. Pravec et ali; announced 21 October 2002. Confirming observations obtained 16-22 September 2003.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Abell, P. A., Gaffey, M. J., Landis, R. R., & Jarvis, K. S. 2005, 36th
Annual Lunar and Planetary Science Conference Compositional Investigation
of Binary Near-Earth Asteroid 66063 (1998 RO1): A Potentially
Undifferentiated Assemblage
- Galád, A., Kornoš, L., Gajdoš, Š., Világi, J., & Tóth, J. 2004, Contributions of
the Astronomical Observatory Skalnate Pleso Relative photometry of numbered
asteroids (3712), (4197), (5587), (28753) and (66063)
- Pravec, P., Kusnirak, P., Sarounova, L., Brown, P., Esquerdo, G., Pray, D., Benner, L. A. M., Nolan, M. C., Giorgini, J. D., Ostro, S. J., & Margot, J.-L. 2003, International Astronomical Union Circular (66063) 1998 RO_1
- Galad, A., Nakamura, A., Jacques Epoch, C., & Williams, G. V. 1999, Minor Planet Circulars 1998 RO1
- Garradd, G. J., Zoltowski, F. B., Pravec, P., Sarounova, L., Sicoli, P., Testa, A., Blythe, M., Shelly, F., Bezpalko, M., Stuart, J., Viggh, H., Sayer, R., & Williams, G. V. 1998, Minor Planet Circulars 1998 RO1
© 2001-2004, 2005 by Wm. Robert Johnston.
Last modified 1 September 2005.
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