(66063) 1998 RO1
compiled by Wm. Robert Johnston
last updated 29 March 2009
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: |
(1.75 ± 0.35) [S09a]
| |
orbital period P: |
14.54 ± 0.02 h [S09a]
| |
eccentricity e: |
0.06 ± 0.04/0.06 [S09a]
| |
other data, primary:
|
diameter: |
(~0.8 km?)
| |
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) assumed
| |
geometric albedo: |
(0.20) assumed
| |
mass: |
?
| |
density: |
1.5 ± 1.7/0.6 g/cm3 [S09a]
4.1 ± 0.8/2.8 g/cm3 [S09a]
| |
type: |
?
|
other data, secondary:
|
diameter: |
(0.4 km?)
| |
triaxial ratio a/c: |
1.5 ± 0.06/0.01 [S07a]
| |
diameter ratio Ds/Dp: |
0.48 ± 0.03 [S07a]
| |
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
© 2001-2008, 2009 by Wm. Robert Johnston.
Last modified 29 March 2009.
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