🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.66 AU - 1 AU

Year: 278 Days

Day: 39.6 Hours

Environment

Temp: 131 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 12.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.89 AU - 10.21 AU

Year: 9994 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,683,157 km

• M1: 159,621 km (0.108 R)
• M2: 697,276 km (0.074 R)
• M3: 1,086,081 km (0.105 R)
• M4: 2,277,029 km (0.101 R)
• M5: 3,483,087 km (0.108 R)
• M6: 4,202,503 km (0.091 R)
• M7: 5,841,348 km (0.036 R)
• M8: 6,438,244 km (0.086 R)
• M9: 7,523,427 km (0.073 R)
• M10: 9,824,541 km (0.067 R)
• M11: 12,399,719 km (0.095 R)
• M12: 18,986,812 km (0.105 R)
• M13: 23,183,182 km (0.119 R)
• M14: 23,840,964 km (0.095 R)
• M15: 26,687,363 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 10.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.22 AU - 11.62 AU

Year: 10613 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,683,157 km

• M1: 128,505 km (0.11 R)
• M2: 467,793 km (0.099 R)
• M3: 1,007,841 km (0.1 R)
• M4: 1,462,170 km (0.103 R)
• M5: 2,228,709 km (0.116 R)
• M6: 2,881,704 km (0.101 R)
• M7: 3,303,719 km (0.049 R)
• M8: 4,272,665 km (0.098 R)
• M9: 5,116,247 km (0.118 R)
• M10: 5,621,290 km (0.073 R)
• M11: 6,190,210 km (0.092 R)
• M12: 8,976,471 km (0.081 R)
• M13: 9,339,545 km (0.107 R)
• M14: 11,073,384 km (0.094 R)
• M15: 12,557,544 km (0.099 R)
• M16: 14,774,136 km (0.101 R)
• M17: 15,280,974 km (0.067 R)
• M18: 17,864,978 km (0.079 R)
• M19: 19,094,373 km (0.11 R)
• M20: 25,212,477 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.3

Radius: 6.1

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.01 AU - 15.99 AU

Year: 20269 Days

Day: 23.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,683,157 km

• M1: 75,846 km (0.101 R)
• M2: 335,099 km (0.084 R)
• M3: 553,363 km (0.065 R)
• M4: 827,127 km (0.081 R)
• M5: 1,327,681 km (0.112 R)
• M6: 2,293,186 km (0.104 R)
• M7: 2,835,927 km (0.11 R)
• M8: 3,377,920 km (0.101 R)
• M9: 3,573,145 km (0.099 R)
• M10: 3,986,484 km (0.059 R)
• M11: 4,699,916 km (0.042 R)
• M12: 5,050,873 km (0.087 R)
• M13: 5,648,816 km (0.111 R)
• M14: 6,807,002 km (0.057 R)
• M15: 7,074,483 km (0.065 R)
• M16: 9,863,137 km (0.049 R)
• M17: 11,343,857 km (0.042 R)
• M18: 13,657,089 km (0.111 R)
• M19: 15,643,449 km (0.093 R)
• M20: 31,116,806 km (0.11 R)
• M21: 39,732,746 km (0.091 R)
• M22: 41,332,396 km (0.103 R)
• M23: 46,388,355 km (0.083 R)
• M24: 47,835,415 km (0.095 R)
• M25: 57,706,182 km (0.098 R)
• M26: 61,659,904 km (0.042 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit