🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.52 AU - 0.84 AU

Year: 208 Days

Day: 17.1 Hours

Environment

Temp: 133 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.29 AU - 1.39 AU

Year: 575 Days

Day: 34.9 Hours

Environment

Temp: -20 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.45 AU - 3.83 AU

Year: 2575 Days

Day: 46.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.17 AU - 4.79 AU

Year: 3517 Days

Day: 33.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,663,319 km

• M1: 609,611 km (0.093 R)
• M2: 2,482,128 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.9

Radius: 5.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 15.67 AU - 16.41 AU

Year: 23824 Days

Day: 22.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,663,319 km

• M1: 86,617 km (0.081 R)
• M2: 403,765 km (0.096 R)
• M3: 881,431 km (0.103 R)
• M4: 1,408,165 km (0.102 R)
• M5: 1,844,392 km (0.073 R)
• M6: 2,400,148 km (0.088 R)
• M7: 2,885,743 km (0.106 R)
• M8: 3,521,534 km (0.057 R)
• M9: 5,151,253 km (0.063 R)
• M10: 7,479,744 km (0.047 R)
• M11: 8,079,033 km (0.06 R)
• M12: 9,629,765 km (0.095 R)
• M13: 12,312,653 km (0.083 R)
• M14: 17,564,585 km (0.098 R)
• M15: 21,296,304 km (0.115 R)
• M16: 25,690,742 km (0.111 R)
• M17: 28,454,861 km (0.042 R)
• M18: 28,994,311 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.4

Radius: 5.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 18.34 AU - 19.36 AU

Year: 30351 Days

Day: 20.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,663,319 km

• M1: 64,177 km (0.072 R)
• M2: 312,211 km (0.068 R)
• M3: 945,159 km (0.113 R)
• M4: 1,226,703 km (0.093 R)
• M5: 1,576,163 km (0.079 R)
• M6: 2,344,348 km (0.114 R)
• M7: 2,760,530 km (0.095 R)
• M8: 3,314,042 km (0.105 R)
• M9: 4,928,203 km (0.062 R)
• M10: 7,117,268 km (0.085 R)
• M11: 9,009,532 km (0.109 R)
• M12: 12,329,109 km (0.102 R)
• M13: 14,108,874 km (0.098 R)
• M14: 18,670,861 km (0.071 R)
• M15: 21,480,459 km (0.069 R)
• M16: 23,700,043 km (0.065 R)
• M17: 25,887,164 km (0.046 R)
• M18: 35,871,475 km (0.06 R)
• M19: 39,816,670 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 19,528 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit