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Asteroids with Satellites Database--Johnston's Archive
2002 BM26
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: | 1.832461461 AU | | orbital periodP: | 2.480621346 yr
(= 906.0469468 d) | | eccentricitye: | 0.444462980 | | perihelion distanceq: | 1.018000178 AU | | aphelion distanceQ: | 2.646922743 AU | | inclinationi: | 16.215135° | | argument of perihelionω: | 180.432117° | | ascending nodeΩ: | 319.6535528° | | mean anomalyM: | 340.597789° | | perihelion passageTP: | 2014 Jul 10.83142 | | Epoch: | 2014 May 23 | | data arc: | 2002-2007(243 obs.) | | Earth MOID: | 0.0314863 AU | | Jupiter Tisserand invariantTJ: | 3.86 |
orbital data, secondary: | semimajor axisas: | 1.4 km[*E] | | separation/primary radiusas/rp: | 4.7 [*E] | | separation/Hill radiusas/rH: | 0.029 [*E] | | orbital periodPs: | 1.075± 0.012d [B06c] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 20.1[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 0.61 km [*D] | | geometric albedo: | 0.05[D03a] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | X (SMASSII) [JPL] | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 48 km [*E] |
other data, primary: | diameterdp: | 0.6± 0.03 km [N02a] | | rotation periodRPp: | 2.7h [N02a] | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 0.1± 0.03km [N02a] | | diameter ratiods/dp: | 0.167± 0.051 [*D] | | component mag. differenceΔM: | 3.9 [* D] | | rotation periodRPs: | ? | |
|
-- 2002 BM26 --discovery and notes:
Primary discovered2002 Jan 26from Lincoln Laboratory ETS, New Mexico, USAby LINEAR.
Companion discovered2002 Feb 09 by M. C. Nolan, E. S. Howell, C. Magri, B. Beeney, D. B. Campbell, L. A. M. Benner, S. J. Ostro, J. D. Giorgini, and J.-L. Margotusingradar observations from Arecibo Observatory, Puerto Rico.Announced2002 Feb 11 [N02a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Brooks, Heidi E. 2006, Bulletin of the American Astronomical SocietyOrbits of Binary Near-Earth Asteroids from Radar Observations
- Ticha, J., Tichy, M., Galad, A., Kornos, L., Griesser, M., Anzellini, F., Haver, R., Pelloni, A., Gorelli, R., Postel Observatory, J. B., Pozzoli, V., Hasubick, W., Busch, M., Seib, A., Haag, H., Rogers, J. E., Blythe, M., Shelly, F., Bezpalko, M., Huber, R., Manguso, L., Adams, S., Piscitelli, J., Stuart, J., Sayer, R., Evans, J. B., Viggh, H., Dyvig, R., Nomen, J., & Spahr, T. B. 2002, Minor Planet Electronic Circ., 2002-C14 (2002).2002 BM26
- Nolan, M. C., Howell, E. S., Magri, C., Beeney, B., Campbell, D. B., Benner, L. A. M., Ostro, S. J., Giorgini, J. D., & Margot, J.-L. 2002, International Astronomical Union Circular2002 BM_26
©2002-2007, 2014by Wm. Robert Johnston.
Last modified20 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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