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Asteroids with Satellites Database--Johnston's Archive
(68063) 2000 YJ66
compiled by Wm. Robert Johnston
last updated30 April 2022--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
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 2.3328332051 AU | | orbital periodP: | 3.563146959 yr
(= 1301.4394266 d) | | eccentricitye: | 0.458078287 | | perihelion distanceq: | 1.264212966 AU | | aphelion distanceQ: | 3.401453444 AU | | inclinationi: | 5.7216703° | | argument of perihelionω: | 50.282324° | | ascending nodeΩ: | 308.86487° | | mean anomalyM: | 335.3823629° | | perihelion passageTP: | 2021 Sep 27.9954541 | | Epoch: | 2021 Jul 01 | | data arc: | 1989-2021(1563 obs.) | | Earth MOID: | 0.272307 AU | | Jupiter Tisserand invariantTJ: | 3.415 |
orbital data, secondary: | semimajor axisas: | 3.8 km[*E] | | separation/primary radiusas/rp: | 3.3 [*E] | | separation/Hill radiusas/rH: | 0.017 [*E] | | orbital periodPs: | 0.6538± 0.0008d [W15a] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 15.43[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 2.30± 0.07 km [N15e] | | geometric albedo: | 0.211± 0.037[N15e] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 230 km [*E] |
other data, primary: | diameterdp: | 2.30± 0.07 km [N15e] | | rotation periodRPp: | 2.1102± 0.0005h [W15a] | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | ? | | diameter ratiods/dp: | ? | | component mag. differenceΔM: | ? | | rotation periodRPs: | 15.69± 0.02h [W15a] | |
|
--(68063) 2000 YJ66 --discovery and notes:
Primary discovered2000 Dec 30from Kitt Peak Observatory, Arizona, USAby C. A. Trujillo, J. X. Luu, and D. C. Jewitt.Alternate designation(s): 1964 VG.Linked to prediscovery observations from 1964.Permanent number assigned 2003 Sep 10.
Companion discovered- by B. D. Warner, R. D. Stephens, and A. W. Harrisusinglightcurve observations.Announced2014 Dec [W15a].
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©2017-2021, 2022by Wm. Robert Johnston.
Last modified30 April 2022.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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