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Asteroids with Satellites Database--Johnston's Archive
(10123) Fideoja
compiled by Wm. Robert Johnston
last updated29 May 2019--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:main belt asteroid
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 2.269309849 AU | | orbital periodP: | 3.418540245 yr
(= 1248.645407 d) | | eccentricitye: | 0.206295996 | | perihelion distanceq: | 1.80116031 AU | | aphelion distanceQ: | 2.737459385 AU | | inclinationi: | 4.0532117° | | argument of perihelionω: | 267.427356° | | ascending nodeΩ: | 76.8907° | | mean anomalyM: | 342.515941° | | perihelion passageTP: | 2015 Feb 07.642751 | | Epoch: | 2014 Dec 09 | | data arc: | 1977-2014(978 obs.) | | Earth MOID: | 0.799631 AU | | Jupiter Tisserand invariantTJ: | 3.582 |
orbital data, secondary: | semimajor axisas: | 13 km[*E] | | separation/primary radiusas/rp: | 8.0 [*E] | | separation/Hill radiusas/rH: | 0.028 [*E] | | orbital periodPs: | 2.354± 0.0008d [W17a] | | eccentricityes: | 0[P15f] | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 14.2[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 3.48± 0.52 km [M11b] | | geometric albedo: | 0.441± 0.094[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 470 km [*E] |
other data, primary: | diameterdp: | 3.27± 0.49 km [] | | rotation periodRPp: | 2.866± 0h [W17a] | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 1.18± 0.19km [*D] | | diameter ratiods/dp: | 0.36± 0.02 [W17a] | | component mag. differenceΔM: | 2.22± 0.12 [*D] | | rotation periodRPs: | 38.8h [P15f] | |
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--(10123) Fideoja --discovery and notes:
Primary discovered1993 Mar 17from European Southern Observatory, La Silla, Chileby Uppsala-ESO Survey.Alternate designation(s):1993 FJ16, 1977 TJ5, 1987 OS1, 1990 KX3, 1992 AS4.Linked to prediscovery observations from 1977 Oct 08.Permanent number assigned 1999 Mar 02.
Named 2005 Jan 25 for the Swedish counties of Fide and Oja [MPC053469].
Companion discovered2013 Feb 12 by Pravec, P., P. Scheirich, P. Kusnirak, K. Hornoch, and A. Galadusinglightcurve observations.Announced2015 Aug 05 [P15f].
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©2015, 2019by Wm. Robert Johnston.
Last modified29 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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