Asteroids with Satellites Database--Johnston's Archive
(136617)
1994 CC, "Beta",
and "Gamma"
compiled by Wm. Robert Johnston
last updated
21 September 2014
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:
NEA, Apollo
(PHA)
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.637780212 AU
| |
orbital period P: |
2.096001706 yr
(= 765.5646230 d)
| |
eccentricity e: |
0.417226647
| |
perihelion distance q: |
0.954454666 AU
| |
aphelion distance Q: |
2.321105759 AU
| |
inclination i: |
4.6842339°
| |
argument of perihelion ω: |
24.7567739°
| |
ascending node Ω: |
268.603487°
| |
mean anomaly M: |
116.8774809°
| |
perihelion passage TP: |
2013 Sep 16.45204
| |
Epoch: |
2014 May 23
| |
data arc: |
1988-2014
(602 obs.)
| |
Earth MOID: |
0.0163517 AU
| |
Jupiter Tisserand invariant TJ: |
4.193
|
orbital data, "Beta":
|
binary dynamical type: | A [M09a] | |
semimajor axis as: |
1.729
± 0.008 km
[F11a]
| |
separation/primary radius as/rp: | 5.58 [*D] | |
separation/Hill radius as/rH: | 0.034 [*D] | |
orbital period Ps: |
1.243
± 0.0329
d [F11a]
| |
eccentricity es: |
0.002
± 0.015
[F11a]
| |
inclination is: | 83.376° ± 11.158° [F11a] | |
ascending node Ωs: | 59.209° ± 3.91° [F11a] | |
argument of pericenter ωs: | 130.980° ± 43.647° [F11a] | |
mean anomaly M: | 233.699° ± 43.941° [F11a] | |
Epoch: | 2009 Jun 12.0 | |
normalized ang. mom. αL: |
1.03
[M09a]
|
orbital data, "Gamma":
|
binary dynamical type: | A [M09a] | |
semimajor axis as: |
6.130
± 0.108 km
[F11a]
| |
separation/primary radius as/rp: | 19.8 [*D] | |
separation/Hill radius as/rH: | 0.121 [*D] | |
orbital period Ps: |
8.376
± 0.404
d [F11a]
| |
eccentricity es: |
0.192
± 0.014
[F11a]
| |
inclination is: | 71.709° ± 8.994° [F11a] | |
ascending node Ωs: | 96.229° ± 5.017° [F11a] | |
argument of pericenter ωs: | 96.229° ± 5.017° [F11a] | |
mean anomaly M: | 6.070° ± 6.187° [F11a] | |
Epoch: | 2009 Jun 12.0 | |
normalized ang. mom. αL: |
1.03
[M09a]
| |
other data, system (combined):
|
absolute mag. H: |
17.7
[MPC]
17.671 ± 0.475 [JPL]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
0.64
± 0.06
km [*D]
| |
geometric albedo: |
0.42
± 0.1
[B11a]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
2.66x1011
± 3.29x1010
kg [F11a]
| |
density ρ: |
2.1
± 0.6
g/cm3[B11a]
| |
Hill radius rH: |
51 km [*D]
|
other data, primary:
|
diameter dp: |
0.62
± 0.06
km [B11a]
| |
dimensions : | 0.69 x 0.67 x 0.64km [B11a] | |
geometric albedo : | 0.42± 0.1[B11a] | |
rotation period RPp: |
2.38860
± 0.00009
h [B11a]
| |
amplitude in mag., rotational ΔM: |
0.09
[B09c]
| |
pole direction Β, λ: |
71.144 ± 13.055°
,
-67.486 ± 1.819°
[F11a]
|
other data, "Beta":
|
diameter ds: |
0.113
± 0.03
km [B11a]
| |
diameter ratio ds/dp: |
0.182
± 0.052
[*D]
| |
component mag. difference ΔM: |
3.7
[*D]
| |
rotation period RPs: |
?
| |
|
other data, "Gamma":
|
diameter ds: |
0.08
± 0.03
km [B11a]
| |
diameter ratio ds/dp: |
0.129
± 0.05
[*D]
| |
component mag. difference ΔM: |
4.4
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(136617) 1994 CC, "Beta", and "Gamma"
--discovery and notes:
Primary discovered
1994 Feb 03
from
Kitt Peak Observatory, Arizona, USA
by
Spacewatch.
Linked to prediscovery observations from 1988 Sep 14.
Permanent number assigned 2006 Dec 05.
"Beta" discovered
2009 Jun 12
by M. Brozovic, L. A. M. Benner, M. C. Nolan, E. S. Howell, C. Magri, J. D. Giorgini, P. A. Taylor, J. L. Margot, M. W. Busch, M. K. Shepard, L. M. Carter, J. S. Jao, J. Van Brimmer, C. R. Franck, M. A. Silva, M. A. Kodis, D. T. Kelley, M. A. Slade, A. Bramson, K. J. Lawrence, J. T. Pollock, P. Pravec, D. E. Reichart, K. M. Ivarsen, J. Haislip, M. C. Nysewander, and A. P. LaCluyze
using
radar
observations from Goldstone, California, USA; Arecibo Observatory, Puerto Rico.
Announced
2009 Jun 19 [B09c].
"Gamma" discovered
2009 Jun 12
by M. Brozovic, L. A. M. Benner, M. C. Nolan, E. S. Howell, C. Magri, J. D. Giorgini, P. A. Taylor, J. L. Margot, M. W. Busch, M. K. Shepard, L. M. Carter, J. S. Jao, J. Van Brimmer, C. R. Franck, M. A. Silva, M. A. Kodis, D. T. Kelley, M. A. Slade, A. Bramson, K. J. Lawrence, J. T. Pollock, P. Pravec, D. E. Reichart, K. M. Ivarsen, J. Haislip, M. C. Nysewander, and A. P. LaCluyze
using
radar
observations from Goldstone, California, USA; Arecibo Observatory, Puerto Rico.
Announced
2009 Jun 19 [B09c].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Fang, Julia A. 2013, Ph.D. Thesis Orbital Structure of Multi-Asteroid and Multi-Planet Systems
- Fang, Julia & Margot, J. 2012, AAS/Division of Dynamical Astronomy Meeting Dynamical Architecture of Multi-Component Systems
- Fang, Julia & Margot, Jean-Luc 2012, The Astronomical Journal Near-Earth Binaries and Triples: Origin and Evolution of Spin-Orbital Properties
- Brozović, Marina, Benner, Lance A. M., Taylor, Patrick A., Nolan, Michael C., Howell, Ellen S., Magri, Christopher, Scheeres, Daniel J., Giorgini, Jon D., Pollock, Joseph T., Pravec, Petr, Galád, Adrián, Fang, Julia, Margot, Jean-Luc, Busch, Michael W., Shepard, Michael K., Reichart, Daniel E., Ivarsen, Kevin M., Haislip, Joshua B., LaCluyze, Aaron P., Jao, Joseph, Slade, Martin A., Lawrence, Kenneth J., & Hicks, Michael D. 2011, Icarus Radar and optical observations and physical modeling of triple near-Earth Asteroid (136617) 1994 CC
- Reddy, Vishnu, Nathues, Andreas, Gaffey, Michael J., & Schaeff, Sven 2011, Planetary and Space Science Mineralogical characterization of potential targets for the ASTEX mission scenario
- Fang, Julia, Margot, Jean-Luc, Brozovic, Marina, Nolan, Michael C., Benner, Lance A. M., & Taylor, Patrick A. 2011, The Astronomical Journal Orbits of Near-Earth Asteroid Triples 2001 SN263 and 1994 CC: Properties, Origin, and Evolution
- Fang, Julia & Margot, J. 2011, Bulletin of the American Astronomical Society Orbits and Masses of Near-Earth Triples 2001 SN263 and 1994 CC
- Brozovic, Marina, Benner, L. A. M., Nolan, M. C., Howell, E. S., Magri, C., Giorgini, J. D., Taylor, P. A., Margot, J. L., Busch, M. W., Shepard, M. K., Scheeres, D. J., & Carter, L. M. 2010, Bulletin of the American Astronomical Society Radar Images And Shape Model Of A Triple Asteroid (136617) 1994CC
- Somers, James M., Hicks, M., Lawrence, K., Rhoades, H., Mayes, D., Barajas, T., McAuley, A., Foster, J., Shitanishi, J., Truong, T., & Garcia, K. 2010, Bulletin of the American Astronomical Society Optical Characterization Of Planetary Radar Targets, Low-ΔV, And Potentially Hazardous Asteroids: Results From 2009-2010.
- Brozovic, M., Benner, L. A. M., Nolan, M. C., Howell, E. S., Magri, C., Giorgini, J. D., Taylor, P. A., Margot, J. L., Busch, M. W., Shepard, M. K., Carter, L. M., Jao, J. S., van Brimmer, J., Franck, C. R., Silva, M. A., Kodis, M. A., Kelley, D. T., Slade, M. A., Bramson, A., Lawrence, K. J., Pollock, J. T., Pravec, P., Reichart, D. E., Ivarsen, K. M., Haislip, J., Nysewander, M. C., & Lacluyze, A. P. 2009, International Astronomical Union Circular (136617) 1994 CC
- Scotti, J., Jedicke, R., & Marsden, B. G. 1996, Minor Planet Electronic Circulars 1994 CC
- Gehrels, T., Scotti, J. V., & Marsden, B. G. 1994, Minor Planet Electronic Circulars 1994 CC
- Scotti, J. V., Gehrels, T., & Marsden, B. G. 1994, Minor Planet Electronic Circulars 1994 CC
©
2009-2012, 2014
by Wm. Robert Johnston.
Last modified
21 September 2014.
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