Aul’Vex

Aul’Vex

Astrographical Information

Milky Way

Orion

Craehlil System

Craehlil

First Planet

0.39 AU (58,343,169 km)

Orbital characteristics

Aphelion 0.41 AU (61,334,125 km)

Perihelion 0.37 AU (55,352,212 km)

Semi-major axis 0.39 AU (58,343,169 km)

Eccentricity 0.036

Orbital period (sidereal) 101.3 days

Average orbital speed 47.2 km/s

Mean anomaly 127.9°

• 3.1° – Craehlil's equator;

• 1.2° – invariable plane;

• 2.4° – J2000 ecliptic

Longitude of ascending node 23.4°

Time of perihelion 11.5 days

Argument of perihelion 95.2°

Moon(s) 0

Physical Information

Diameter 8,172 km (5,078.4 mi)

Mean radius 4,086 km (2,539.2 mi)

Equatorial radius 4,106 km (2,551.3 mi)

Polar radius 4,065 km (2,527.0 mi)

Flattening 0.0100

• 25,684 km; equatorial

• 25,531 km; meridional

• Land: 210,012,000 km²

• Water: 0 km² (0% of Aul’Vex's surface area)

Volume 3.026 × 10¹¹ km³

Mass 3.52 × 10²⁴ kg

Mean density 6.88 g/cm³

Surface Gravity 13.21 m/s²

Moment of inertia factor 0.309

Escape velocity 12.8 km/s

Synodic rotation period Permanent day/night (tidally locked)

Sidereal rotation period 101.3 days (equal to orbital period)

Equatorial rotation velocity ~0 m/s (tidal lock)

Axial tilt 0.4°

Axial Precession Negligible (rotational lock suppresses precession)

• 0.12 geometric

• 0.09 Bond

Temperature 440–1,320 K

• -183°C (–297.4°F) Min

• ~507°C (944.6°F) Mean (day side)

• 937°C (1,718.6°F) Max

Surface absorbed dose rate ~1,520 μGy/h

Surface equivalent dose rate ~1,740 μSv/h

Apparent magnitude –3.4" to 2.6"

Absolute magnitude (H) 6.22

Atmosphere

Trace to ~0.001 atm (micro-atmospheric)

• 61.4% Sodium vapor

• 17.2% Sulfur dioxide

• 6.8% Atomic oxygen

• 5.0% Silicate particulates

• 3.4% Argon

• <2.0% Ionized aluminum, trace volatiles

• 0.2% Industrial remnants (legacy nanocomposite haze)