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Asteroids with Satellites Database--Johnston's Archive
(66652) Borasisiand Pabu
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:TNO, Cubewano
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 43.616 AU | | orbital periodP: | 288.058 yr
(= 105213.1 d) | | eccentricitye: | 0.08462 | | perihelion distanceq: | 39.9254 AU | | aphelion distanceQ: | 47.307 AU | | inclinationi: | 0.562939° | | argument of perihelionω: | 196.692° | | ascending nodeΩ: | 84.588° | | mean anomalyM: | 56.624° | | perihelion passageTP: | 1969 Jan 30 | | Epoch: | 2014 May 23 | | data arc: | 1999-2012(51 obs.) | | Earth MOID: | 38.9085 AU | | Jupiter Tisserand invariantTJ: | 5.889 | | Neptune Tisserand invariantTN: | 3.09 [*D] |
orbital data, secondary: | semimajor axisas: | 4528± 12 km[G11a] | | separation/primary radiusas/rp: | 72 [*D] | | separation/Hill radiusas/rH: | 0.0091 [*D] | | orbital periodPs: | 46.2888± 0.0018d [G11a] | | eccentricityes: | 0.4700± 0.0018[G11a] | | inclinationis: | 54.31° ± 0.03° [G11a] | | ascending nodeΩs: | 70.44° ± 0.47° [G11a] | | argument of pericenterωs: | 238.85° ± 0.66° [G11a] | | mean anomalyM: | 214.4° ± 0.5° [G11a] | | Epoch: | 2000 Dec 21.5 | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 5.9[MPC]
6.121 ± 0.07 [V14a] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 163± 32/66 km [V14a] | | geometric albedo: | 0.236± 0.438/0.077[V14a] | | color indexU-B: | ? | | color indexB-V: | 0.82[H02a] | | color indexV-R: | 0.646 ± 0.058 [H02a] | | color indexB-R: | 1.47 [H02a] | | color indexV-I: | 1.3 [D01b] | | color indexR-J: | 1.36 [*D] | | color indexV-J: | 2.01 ± 0.07 [M03c] | | color indexJ-H: | 0.49 ± 0.09 [D06a] | | color indexV-H: | 2.5 [*D] | | taxonomic type: | ? | | massm: | 3.43x1018 ± 2.7x1016kg [G11a] | | densityρ: | 2.1± 2.6/1.2 g/cm3[V14a] | | Hill radiusrH: | 500000 km [*D] |
other data, primary: | diameterdp: | 126± 25/51 km [V14a] | | rotation periodRPp: | 6.4± 1h [K06a] | | amplitude in mag., rotationalΔM: | 0.08± 0.02 [K06a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 103± 20/42km [V14a] | | diameter ratiods/dp: | 0.817± 0.008 [S06c] | | component mag. differenceΔM: | 0.4 [* D] | | rotation periodRPs: | ? | |
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--(66652) Borasisi and Pabu --discovery and notes:
Primary discovered1999 Sep 08from Mauna Kea Observatory, Hawaii, USAby C. A. Trujillo, J. X. Luu, and D. C. Jewitt.Alternate designation(s):1999 RZ253.Permanent number assigned 2003 Sep 10.
Named 2007 Sep 26 for the mythological character inCat's Cradle [MPC60731].
Companion discovered2003 Apr 23usingHubble Space Telescope observations from Hubble Space Telescope.Announced2003 Jun 06.Permanent designation I Pabu, assigned 2007 Sep 26; named for the mythological character inCat's Cradle [*].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Vilenius, E., Kiss, C., Müller, T., Mommert, M., Santos-Sanz, P., Pál, A., Stansberry, J., Mueller, M., Peixinho, N., Lellouch, E., Fornasier, S., Delsanti, A., Thirouin, A., Ortiz, J. L., Duffard, R., Perna, D., & Henry, F. 2014, Astronomy and Astrophysics"TNOs are Cool": A survey of the trans-Neptunian region. X. Analysis of classical Kuiper belt objects from Herschel and Spitzer observations
- Grundy, W. M., Noll, K. S., Nimmo, F., Roe, H. G., Buie, M. W., Porter, S. B., Benecchi, S. D., Stephens, D. C., Levison, H. F., & Stansberry, J. A. 2011, IcarusFive new and three improved mutual orbits of transneptunian binaries
- Noll, Keith S., Stephens, Denise C., Grundy, Will M., & Griffin, Ian 2004, IcarusThe orbit, mass, and albedo of transneptunian binary (66652) 1999 RZ <SUB>253</SUB>
- Noll, K. S., Stephens, D. C., Grundy, W. M., Osip, D. J., & Griffin, I. 2004, Bulletin of the American Astronomical SocietyThe Orbits, Masses, and Albedos of Transneptunian Binaries
- Denissenko, D. V. 2004, Astronomy LettersOccultations of Stars Brighter Than 15 mag by the Largest Trans-Neptunian Objects in 2004-2014
- Noll, Keith 2002, HST ProposalThe Orbit of a Newly Discovered Transneptunian Binary
- Brown, M. E. 2000, Bulletin of the American Astronomical SocietyNear-infrared spectroscopy of Kuiper belt objects
- Veillet, C., Cuillandre, J. C., Woodworth, D. R., McDonald, J., & Marsden, B. G. 2000, Minor Planet Circulars1999 RZ253
- Trujillo, C. A., Luu, J. X., Jewitt, D. C., Tholen, D. J., Sheppard, S. S., & Marsden, B. G. 2000, Minor Planet Circulars1999 RZ253
©2003-2012, 2014by Wm. Robert Johnston.
Last modified20 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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