Asteroids with Satellites Database--Johnston's Archive
(1866)
Sisyphus
compiled by Wm. Robert Johnston
last updated
29 May 2019
--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
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.893818726 AU
| |
orbital period P: |
2.606248439 yr
(= 951.9322422 d)
| |
eccentricity e: |
0.538293967
| |
perihelion distance q: |
0.874387531 AU
| |
aphelion distance Q: |
2.913249921 AU
| |
inclination i: |
41.18974205°
| |
argument of perihelion ω: |
293.0454938°
| |
ascending node Ω: |
63.56059474°
| |
mean anomaly M: |
352.0426005°
| |
perihelion passage TP: |
2014 Jun 13.04140
| |
Epoch: |
2014 May 23
| |
data arc: |
1955-2013
(2352 obs.)
| |
Earth MOID: |
0.103525 AU
| |
Jupiter Tisserand invariant TJ: |
3.513
|
orbital data, secondary:
|
semimajor axis as: |
19
km
[*E]
| |
separation/primary radius as/rp: | 4.5 [*E] | |
separation/Hill radius as/rH: | 0.033 [*E] | |
orbital period Ps: |
1.13
d [W17a]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
12.4
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
8.48
± 1.27
km [D03a]
| |
geometric albedo: |
0.15
± 0.045
[D03a]
| |
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: |
570 km [*E]
|
other data, primary:
|
diameter dp: |
8.44
± 1.27
km [*D]
| |
rotation period RPp: |
2.3909
h [W17a]
| |
amplitude in mag., rotational ΔM: |
0.03
[W17a]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.84
± 0.44
km [*D]
| |
diameter ratio ds/dp: |
0.1
± 0.05
[W17a]
| |
component mag. difference ΔM: |
5.0
± 1.2
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(1866) Sisyphus
--discovery and notes:
Primary discovered
1972 Dec 05
from
Zimmerwald, Switzerland
by
P. Wild.
Alternate designation(s):
1972 XA
.
Linked to prediscovery observations from 1955 Jan 26.
Permanent number assigned -.
Named - for the Greek mythological king [MPC003758].
Companion discovered
1985 Dec
using
radar
observations from Arecibo Observatory, Puerto Rico.
Announced
2007 Dec .
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Stephens, Robert D., French, Linda, M., Warner, Brian D., & Wasserman, Lawrence H. 2011, Minor Planet Bulletin The Curse of Sisyphus
- Dave, Riddhi, Emery, J., Cruikshank, D., Mueller, M., Delbo, M., Trilling, D. E., & Mommert, M. 2010, Bulletin of the American Astronomical Society Thermal Emission Spectroscopy (5.2 To 38 Microns) And Analysis Of 10 Near-earth Asteroids
- Lupishko, D. F. & Lupishko, T. A. 2000, Catastrophic Events and Mass Extinctions: Impacts and Beyond Asteroid Hazard: Core of the Problem
- Degraff, D. R., Robbins, A. M., & Gutermuth, R. A. 1998, Bulletin of the American Astronomical Society Rotation Curves for 13 Asteroids
- Skiff, B. A., Buie, M. W., & Bowell, E. 1996, Bulletin of the American Astronomical Society Near-Earth Asteroid Physical Observations: 1993-1995
- Schober, H. J., Erikson, A., Hahn, G., Lagerkvist, C. I., & Oja, T. 1993, Astronomy and Astrophysics Supplement Series Physical Studies of Asteroids. Part XXVI. Rotation and Photoelectric Photometry of Asteroids 323, 350, 582, 1021 and 1866
- Hahn, Gerhard & Lagerkvist, Claes-Ingvar 1987, Celestial Mechanics Orbital evolution studies of planet-crossing asteroids.
- McFadden, L. A. & Ahearn, M. F. 1986, Planetary Astronomy, 1985 Planet-crossing asteroids: Interrelationships within the solar system
- McCrosky, R. E. & Marsden, B. G. 1986, Planetary Astronomy, 1985 Astrometric observations of comets and asteroids and subsequent orbital investigations
- Seki, T., Giclas, H. L., Kantz, M. L., Wild, P., & Marsden, B. G. 1973, International Astronomical Union Circular 1972 XA.
- 1973, Kometnyj Tsirkulyar Fast moving object Wild, 1972 XA.
- Marsden, B. G. 1973, International Astronomical Union Circular 1972 XA.
- Ruhnow, D., Petermann, S., Kohoutek, L., Dieckvoss, M., Wild, P., & Milet, B. 1973, International Astronomical Union Circular 1972 XA.
- Wild, P., Milet, B., & Schürer, M. 1973, International Astronomical Union Circular 1972 XA.
- Meeus, J. 1973, Ciel et Terre Nouvelles brèves: La petite Planète 1972 XA
- Seki, T., Wild, P., Rickman, H., Tidblad, Shao, C. Y., & Marsden, B. G. 1972, International Astronomical Union Circular 1972 XA (object Wild).
©
2008-2014, 2019
by Wm. Robert Johnston.
Last modified
29 May 2019.
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