Asteroids with Satellites Database--Johnston's Archive
(99913)
1997 CZ5
compiled by Wm. Robert Johnston
last updated
20 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:
Mars crossing asteroid
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
2.293957933 AU
| |
orbital period P: |
3.474452482 yr
(= 1269.0437690 d)
| |
eccentricity e: |
0.397212393
| |
perihelion distance q: |
1.38276941 AU
| |
aphelion distance Q: |
3.205146452 AU
| |
inclination i: |
24.902234°
| |
argument of perihelion ω: |
169.191725°
| |
ascending node Ω: |
288.033698°
| |
mean anomaly M: |
357.525911°
| |
perihelion passage TP: |
2014 May 31.72146
| |
Epoch: |
2014 May 23
| |
data arc: |
1992-2014
(728 obs.)
| |
Earth MOID: |
0.403455 AU
| |
Jupiter Tisserand invariant TJ: |
3.374
|
orbital data, secondary:
|
binary dynamical type: | A [M09a] | |
semimajor axis as: |
11
km
[*E]
| |
separation/primary radius as/rp: | 3.2 [*E] | |
separation/Hill radius as/rH: | 0.015 [*E] | |
orbital period Ps: |
0.6117
d [H11a]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
0.84
[M09a]
|
|
other data, system (combined):
|
absolute mag. H: |
13.4
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
6.89
km [*E]
| |
geometric albedo: |
(0.16
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
S (SMASSII) [JPL]
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
730 km [*E]
|
other data, primary:
|
diameter dp: |
6.77
km [*E]
| |
rotation period RPp: |
2.83507
± 0.00002
h [H11a]
| |
amplitude in mag., rotational ΔM: |
0.19
± 0.02
[H11a]
| |
amplitude in mag., mutual events ΔM: | 0.038 ±0.02 [H11a] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
1.29
km [*E]
| |
diameter ratio ds/dp: |
0.19
± 0.02
[H11a]
| |
component mag. difference ΔM: |
3.6
± 0.2
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(99913) 1997 CZ5
--discovery and notes:
Primary discovered
1997 Feb 07
from
Haleakala, Hawaii, USA
by
NEAT.
Alternate designation(s):
1999 NQ54.
Linked to prediscovery observations from 1992 Aug 02.
Permanent number assigned 2005 Jun 22.
Companion discovered
2010 Dec 31
by D. Higgins, P. Pravec, P. Kusnirak, K. Hornoch, J. Pollock, W. Cooney, J. Gross, D. Terrell, J. Oey, J. Brinsfield, D. E. Reichart, K. M. Ivarsen, J. B. Haislip, A. LaCluyze, and R. Durkee
using
lightcurve
observations from Canberra, Australia; Ondrejov Observatory, Czech Republic; Appalachian State University, North Carolina, USA; Sonoita Research Observatory, Sonoita, Arizona, USA; Leura, New South Wales, Australia; Via Capote Observatory, Thousand Oaks, California, USA; University of North Carolina, Chapel Hill; Shed of Science Observatory, Minneapolis, Minnesota, USA.
Announced
2011 Feb 03 [H11a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Higgins, D., Pravec, P., Kusnirak, P., Hornoch, K., Pollock, J., Cooney, W., Gross, J., Terrell, D., Oey, J., Brinsfield, J., Reichart, D. E., Ivarsen, K. M., Haislip, J. B., Lacluyze, A., & Durkee, R. 2011, Central Bureau Electronic Telegrams (99913) 1997 CZ5
©
2011-2012, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
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