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SOSB · Rio Group

Campaigns and a database of physical properties of TNOs, Centaurs, Trojans, satellites and rings from observed stellar occultations.

Web page created by Alexandre Crispim and maintained by Rio Group

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Contact Lucky Star UTFPR Observatório Nacional

← Back to results ◎ All events of Ennomos

Occultation event

Ennomos

1988 TU2Trojan

event on 2011-08-11

54

Radius (km)

0.052

Geometric albedo

3

Positive chords

France, Slovakia, Switzerland

Observed from

Size — to scalevs Pluto

ENNOMOS · R 54 KMPLUTO · R 1188 KM

Ennomos — this objectPluto — comparison

Physical properties

Radius eq. (km)54 ± 2

Equivalent radius (km)50 ± 3

Oblateness0.155 ± 0.52

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeMaclaurin

Albedo (V)0.052 ± 8

Orbit — top viewheliocentric

5.2

a (AU)

0.022

e

25.5

i (deg)

Occultation record

Event date2011-08-11

Observed fromFrance, Slovakia, Switzerland

Positive chords3

KindMain

Delta (au)4.33

Star G mag.—

Object G mag.—

Astrometryfeeds NIMA ephemeris

Position Date (JD)—

RA position—

Error RA·cos(δ) (mas)—

DEC position—

Error DEC (mas)—

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectNo

ReferenceShevchenko et al., MAPS, 2013

DOI10.1111/maps.12234

Linkhttps://doi.org/10.1111/maps.12234

Comment—

Ennomos occultation — 2011-08-11 · SOSB / Lucky Star