Movatterモバイル変換

Asteroids with Satellites Database--Johnston's Archive

(66063) 1998 RO1

compiled by Wm. Robert Johnston
last updated20 September 2014

--Orbital and physical data--

(Seethis page for definitions of quantities; source codes in brackets, seethis link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)

dynamical type, primary:NEA, Aten

orbital data, primary (osculating elements)[JPL]:

semimajor axisa:	0.990918301 AU
orbital periodP:	0.986427058 yr (= 360.2924828 d)
eccentricitye:	0.720119477
perihelion distanceq:	0.277338733 AU
aphelion distanceQ:	1.704497870 AU
inclinationi:	22.6775462°
argument of perihelionω:	151.1200448°
ascending nodeΩ:	351.8797800°
mean anomalyM:	229.970747°
perihelion passageT_P:	2014 Sep 30.13489
Epoch:	2014 May 23
data arc:	1996-2010(1302 obs.)
Earth MOID:	0.091696 AU
Jupiter Tisserand invariantT_J:	5.81

orbital data, secondary:

binary dynamical type:	A [P07f]
semimajor axisa_s:	1.2± 0.3 km[S09a]
separation/primary radiusa_s/r_p:	3.0 [*D]
separation/Hill radiusa_s/r_H:	0.069 [*D]
orbital periodP_s:	0.6058± 0.0008d [P06b]
eccentricitye_s:	0.05± 0.06[S09a]
normalized ang. mom.α_L:	1.32[P07f]

other data, system (combined):

absolute mag.H:	18.1[MPC]
slope parameterG:	(0.15) [*A]
effective diameterd_E:	0.89± 0.17 km [*D]
geometric albedo:	0.14± 0.06[P06b]
color indexU-B:	?
color indexB-V:	?
taxonomic type:	?
massm:	4.47x10¹¹kg [*D]
densityρ:	1.5± 1.15 g/cm³[S09a]
Hill radiusr_H:	17 km [*D]

other data, primary:

diameterd_p:	0.8± 0.15 km [P06b]
rotation periodRP_p:	2.492± 0.000h [P06b]
amplitude in mag., rotationalΔM:	0.16 [W14e]
pole directionΒ, λ:	?,?

other data, secondary:

diameterd_s:	0.38± 0.08km [*D]
axial ratiosa/b, b/c:	1.5 (a/c);? [S08b]
diameter ratiod_s/d_p:	0.48± 0.03 [P06b]
component mag. differenceΔM:	1.6± 0.1 [*D]
rotation periodRP_s:	?

--(66063) 1998 RO1 --discovery and notes:

Primary discovered1998 Sep 14from Socorro, New Mexico, USAby LINEAR.Alternate designation(s): 1999 SN5.Linked to prediscovery observations from 1996 Sep 12.Permanent number assigned 2003 Sep 10.

Companion discovered2002 Sep 13usinglightcurve observations.Announced2002 Oct 21.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

Pravec, Petr & Scheirich, P. 2010, Bulletin of the American Astronomical SocietyBinary System Candidates for Detection of BYORP
Scheirich, P. & Pravec, P. 2009, IcarusModeling of lightcurves of binary asteroids
Wolters, Stephen D., Green, Simon F., McBride, Neil, & Davies, John K. 2008, IcarusThermal infrared and optical observations of four near-Earth asteroids
Vokrouhlický, D., Čapek, D., Chesley, S. R., & Ostro, S. J. 2005, IcarusYarkovsky detection opportunities. II. Binary systems
Abell, P. A., Gaffey, M. J., Hardersen, P. S., Vilas, F., Jarvis, K. S., & Landis, R. R. 2005, Bulletin of the American Astronomical SocietyCompositions of Binary Near-Earth Objects: Implications for the Internal Structure of Their Parent Bodies
Abell, P. A., Gaffey, M. J., Landis, R. R., & Jarvis, K. S. 2005, 36th Annual Lunar and Planetary Science ConferenceCompositional 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 PlesoRelative 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 Circulars1998 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 Circulars1998 RO1

©2002-2009, 2014by Wm. Robert Johnston.
Last modified20 September 2014.
Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.

[8]ページ先頭