🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.95 AU - 1.55 AU

Year: 493 Days

Day: 26.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.24 AU - 1.68 AU

Year: 623 Days

Day: 18.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,835,854 km

• M1: 27,526 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.63 AU - 2.79 AU

Year: 1575 Days

Day: 32.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,835,854 km

• M1: 44,730 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.78 AU - 4.18 AU

Year: 2804 Days

Day: 42.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,835,854 km

• M1: 94,845 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.3

Radius: 9.3

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.63 AU - 7.87 AU

Year: 7618 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,835,854 km

• M1: 116,238 km (0.078 R)
• M2: 552,465 km (0.112 R)
• M3: 868,864 km (0.108 R)
• M4: 1,178,981 km (0.077 R)
• M5: 1,683,275 km (0.111 R)
• M6: 2,127,431 km (0.065 R)
• M7: 3,209,473 km (0.08 R)
• M8: 3,727,829 km (0.094 R)
• M9: 4,327,268 km (0.088 R)
• M10: 7,692,472 km (0.038 R)
• M11: 8,007,525 km (0.101 R)
• M12: 11,963,192 km (0.079 R)
• M13: 18,006,497 km (0.081 R)
• M14: 19,420,197 km (0.1 R)
• M15: 25,295,953 km (0.116 R)
• M16: 27,248,055 km (0.071 R)
• M17: 32,461,392 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.9

Radius: 6.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 17.2 AU - 17.94 AU

Year: 26005 Days

Day: 22.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,835,854 km

• M1: 75,846 km (0.084 R)
• M2: 3,836,886 km (0.091 R)
• M3: 5,088,123 km (0.057 R)
• M4: 5,704,466 km (0.094 R)
• M5: 9,938,684 km (0.084 R)
• M6: 12,711,630 km (0.098 R)
• M7: 23,951,367 km (0.097 R)
• M8: 25,947,601 km (0.048 R)
• M9: 28,744,782 km (0.114 R)
• M10: 30,786,943 km (0.043 R)
• M11: 37,609,952 km (0.056 R)
• M12: 38,816,608 km (0.038 R)
• M13: 43,770,243 km (0.049 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 20,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit