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Stratos I

Orbital characteristics
Epoch A2000
Aphelion	149580 km (92940 mi)
Perihelion	142290 km (88410 mi)
Semi-major axis	145933 km (90679 mi)
Eccentricity	~0.0249855
Orbital period	6.7355 d (161.65 h)
Average orbital speed	1.542 km/s (0.958 mi/s)
Inclination	1.0076° (to Stratos's equator)
Physical characteristics
Equatorial radius	854.3 km (530.8 mi)
Polar radius	839.7 km (521.8 mi)
Flattening	~.0035972
Circumference	5326.256 km (3309.582 mi) (mean)
Surface area	9,030,000km2 (3,486,500 mi2)
Volume	2.55162 × 109 km3
Mass	6.4209 × 1021 kg
Mean density	2.5164 g/cm3
Surface gravity	0.5963 m/s2
Escape velocity	1.006 km/s (0.625 mi/s)
Sidereal rotation period	synchronous
Axial tilt	0.0056°
Albedo	0.251 Bond
Surface temp. min mean max Celsius -185.0°C -110.4°C -51.6°C Fahrenheit -301°F -166.7°F -60.9°F
Angular diameter	0.66564° (From Stratoshian surface)
Atmosphere

Stratos I is one Stratos's two significant moons, and orbits the planet at a distance just shy of 146,000 kilometers, while it is in 1:2 resonance with Stratos II.

Formation

Stratos I is thought to have been formed through a collision of a smaller body with Stratos in the early stages of the Tendor System's formation, similar to that of the Anterian Moon. The hypothesized collision would have ejected a large amount of debris into orbit around the planet, most of which fell back onto Stratos, while what remained in orbit coagulated to form what is now Stratos I.

After its formation relatively close to Stratos, the moon slowly migrated outwards while slowing down the planet's rotation, and it likely could've migrated as far as 500,000 kilometers from the planet if Stratos II were not captured and put into orbital resonance with Stratos I. Currently, the moons are still slowly migrating outwards, though by the time the even Stratos II leaves the Stratoshian sphere of influence, the sun most likely would have left main-sequence a long time ago.

Physical Characteristics

WIP

Surface Geology

WIP

Orbit and Rotation

WIP

Habitability

WIP