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Asteroids with Satellites Database--Johnston's Archive
(32039) 2000 JO23
compiled by Wm. Robert Johnston
last updated9 October 2021--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:Mars crossing asteroid
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 2.2229771339 AU | | orbital periodP: | 3.314444074 yr
(= 1210.6006982 d) | | eccentricitye: | 0.281920225 | | perihelion distanceq: | 1.59627492 AU | | aphelion distanceQ: | 2.8496793478 AU | | inclinationi: | 6.5031619° | | argument of perihelionω: | 353.283004° | | ascending nodeΩ: | 303.817769° | | mean anomalyM: | 88.8616692° | | perihelion passageTP: | 2020 Sep 05.177781 | | Epoch: | 2021 Jul 01 | | data arc: | 1954-2021(2016 obs.) | | Earth MOID: | 0.580239 AU | | Jupiter Tisserand invariantTJ: | 3.587 |
orbital data, secondary: | binary dynamical type: | A [M09a] | | semimajor axisas: | 37 km[*E] | | separation/primary radiusas/rp: | 29 [*E] | | separation/Hill radiusas/rH: | 0.11 [*E] | | orbital periodPs: | 15± 0.1d [W17a] | | eccentricityes: | ? | | normalized ang. mom.αL: | 2.93[M09a] |
| other data, system (combined):| absolute mag.H: | 14.69[MPC]
15.39 ± 0.03 [P07d] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 3.04 km [A17c] | | geometric albedo: | (0.16) [*A] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 340 km [*E] |
other data, primary: | diameterdp: | 2.55 km [*D] | | rotation periodRPp: | 6.5979± 0.0009h [P07d] | | amplitude in mag., rotationalΔM: | 0.05 [W14e] | | amplitude in mag., mutual eventsΔM: | 0.32 [P07d] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 1.66km [*D] | | diameter ratiods/dp: | 0.65± 0.07 [W17a] | | component mag. differenceΔM: | 0.94± 0.23 [*D] | | rotation periodRPs: | 11.099± 0.003h [P16d] | |
|
--(32039) 2000 JO23 --discovery and notes:
Primary discovered2000 May 07from Socorro, New Mexico, USAby LINEAR Program.Alternate designation(s): 1954 SE1, 1977 OF, 1997 WZ20.Linked to prediscovery observations from 1954 Sep 27.Permanent number assigned 2001 Nov 30.
Companion discovered2007 Sep 03 by D. Pray, P. Pravec, P. Kusnirak, K. Hornoch, D. Higgins, W. Cooney, J. Gross, D. Terrell, J. Oey, A. Galad, L. Kornos, S. Gajdos, J. Vilagi, R. Stephens, F. Marchis, M. Baek, B. Macomber, V. Reddy, M. Husarik, and M. Piklerusinglightcurve observations from Carbuncle Hill Observatory, Greene, Rhode Island, USA; Ondrejov Observatory, Czech Republic; Canberra, Australia; Sonoita Research Observatory, Sonoita, Arizona, USA; Blue Mountains Observatory, Leura, New South Wales, Australia; Modra Observatory, Slovakia; Goat Mountain Astronomical Research Station, Yucca Valley, CA; SETI Institute; University of California at Berkeley; University of North Dakota, Grand Forks; Skalnate Pleso Observatory, Slovakia.Announced2007 Nov 23 [P07d].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Jacobson, Seth A., Scheeres, Daniel J., & McMahon, Jay 2014, The Astrophysical JournalFormation of the Wide Asynchronous Binary Asteroid Population
- Pray, D., Pravec, P., Kusnirak, P., Hornoch, K., Higgins, D., Cooney, W., Gross, J., Terrell, D., Oey, J., Galad, A., Kornos, L., Gajdos, S., Vilagi, J., Stephens, R., Marchis, F., Baek, M., Macomber, B., Reddy, V., Husarik, M., & Pikler, M. 2007, Central Bureau Electronic Telegrams(32039) 2000 JO23
©2007-2019, 2021by Wm. Robert Johnston.
Last modified9 October 2021.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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