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Asteroids with Satellites Database--Johnston's Archive
2002 KK8
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, Amor(PHA)
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 1.953258318 AU | | orbital periodP: | 2.729906208 yr
(= 997.0982423 d) | | eccentricitye: | 0.466308688 | | perihelion distanceq: | 1.042436995 AU | | aphelion distanceQ: | 2.864079642 AU | | inclinationi: | 24.538930° | | argument of perihelionω: | 174.131844° | | ascending nodeΩ: | 77.0084300° | | mean anomalyM: | 136.066352° | | perihelion passageTP: | 2013 May 11.13466 | | Epoch: | 2014 May 23 | | data arc: | 2002-2013(109 obs.) | | Earth MOID: | 0.0290595 AU | | Jupiter Tisserand invariantTJ: | 3.65 |
orbital data, secondary: | semimajor axisas: | ? | | orbital periodPs: | ? | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 21[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 0.51 km [*D] | | geometric albedo: | 0.03[*E] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 41 km [*E] |
other data, primary: | diameterdp: | 0.5± 0.02 km [N02b] | | rotation periodRPp: | ? | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 0.1± 0.02km [N02b] | | diameter ratiods/dp: | 0.2± 0.041 [*D] | | component mag. differenceΔM: | 3.5 [* D] | | rotation periodRPs: | ? | |
|
-- 2002 KK8 --discovery and notes:
Primary discovered2002 May 30from Lincoln Laboratory ETS, New Mexico, USAby LINEAR.
Companion discovered2002 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. Campbellusingradar observations from Arecibo Observatory, Puerto Rico.Announced2002 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 Circular2002 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 Circulars2002 KK8
©2002-2005, 2014by Wm. Robert Johnston.
Last modified20 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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