Asteroids with Satellites Database--Johnston's Archive
2002 KK8
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:
NEA, Amor
(PHA)
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.953258318 AU
| |
orbital period P: |
2.729906208 yr
(= 997.0982423 d)
| |
eccentricity e: |
0.466308688
| |
perihelion distance q: |
1.042436995 AU
| |
aphelion distance Q: |
2.864079642 AU
| |
inclination i: |
24.538930°
| |
argument of perihelion ω: |
174.131844°
| |
ascending node Ω: |
77.0084300°
| |
mean anomaly M: |
136.066352°
| |
perihelion passage TP: |
2013 May 11.13466
| |
Epoch: |
2014 May 23
| |
data arc: |
2002-2013
(109 obs.)
| |
Earth MOID: |
0.0290595 AU
| |
Jupiter Tisserand invariant TJ: |
3.65
|
orbital data, secondary:
|
semimajor axis as: |
?
| |
orbital period Ps: |
?
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
21
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
0.51
km [*D]
| |
geometric albedo: |
0.03
[*E]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
41 km [*E]
|
other data, primary:
|
diameter dp: |
0.5
± 0.02
km [N02b]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.1
± 0.02
km [N02b]
| |
diameter ratio ds/dp: |
0.2
± 0.041
[*D]
| |
component mag. difference ΔM: |
3.5
[* D]
| |
rotation period RPs: |
?
| |
|
|
--
2002 KK8
--discovery and notes:
Primary discovered
2002 May 30
from
Lincoln Laboratory ETS, New Mexico, USA
by
LINEAR.
Companion discovered
2002 Jun 08
by M. C. Nolan, E. S. Howell, S. J. Ostro, L. A. M. Benner, J. D. Giorgini, J.-L. Margot, and D. B. Campbell
using
radar
observations from Arecibo Observatory, Puerto Rico.
Announced
2002 Jun 17 [N02b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Nolan, M. C., Howell, E. S., Ostro, S. J., Benner, L. A. M., Giorgini, J. D., Margot, J.-L., & Campbell, D. B. 2002, International Astronomical Union Circular 2002 KK_8
- Stevens, B., Kusnirak, P., Manca, F., Blythe, M., Shelly, F., Bezpalko, M., Huber, R., Manguso, L., Adams, S., Piscitelli, J., Stuart, J., Sayer, R., Evans, J. B., Viggh, H., Hug, G., Nomen, J., & Spahr, T. B. 2002, Minor Planet Circulars 2002 KK8
©
2002-2005, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.