🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.6

Radius: 8.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.53 AU - 0.59 AU

Year: 295 Days

Day: 10.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,678,242 km

• M1: 100,829 km (0.091 R)
• M2: 411,693 km (0.042 R)
• M3: 846,126 km (0.114 R)
• M4: 1,265,598 km (0.077 R)
• M5: 2,091,229 km (0.074 R)
• M6: 2,383,393 km (0.117 R)
• M7: 2,813,038 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 13.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.33 AU - 3.87 AU

Year: 3837 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,678,242 km

• M1: 171,738 km (0.035 R)
• M2: 777,610 km (0.078 R)
• M3: 1,449,603 km (0.088 R)
• M4: 1,962,874 km (0.108 R)
• M5: 4,610,606 km (0.095 R)
• M6: 6,738,786 km (0.12 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924

Radius: 6.8

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.73 AU - 8.19 AU

Year: 15786 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,678,242 km

• M1: 124,166 km (0.108 R)
• M2: 356,791 km (0.118 R)
• M3: 945,907 km (0.043 R)
• M4: 1,944,623 km (0.058 R)
• M5: 2,326,247 km (0.117 R)
• M6: 4,273,712 km (0.092 R)
• M7: 8,942,362 km (0.063 R)
• M8: 9,598,199 km (0.08 R)
• M9: 9,823,793 km (0.113 R)
• M10: 10,701,484 km (0.091 R)
• M11: 15,966,431 km (0.12 R)
• M12: 28,794,748 km (0.052 R)
• M13: 30,583,639 km (0.103 R)
• M14: 30,827,633 km (0.104 R)
• M15: 32,318,974 km (0.048 R)
• M16: 41,688,289 km (0.059 R)
• M17: 43,973,696 km (0.096 R)
• M18: 49,796,942 km (0.076 R)
• M19: 57,772,304 km (0.057 R)
• M20: 62,943,902 km (0.116 R)
• M21: 64,734,140 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112

Radius: 6.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.06 AU - 9.82 AU

Year: 17235 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,678,242 km

• M1: 125,662 km (0.108 R)
• M2: 328,218 km (0.098 R)
• M3: 604,675 km (0.099 R)
• M4: 912,547 km (0.107 R)
• M5: 1,198,429 km (0.093 R)
• M6: 2,125,337 km (0.06 R)
• M7: 2,502,772 km (0.083 R)
• M8: 2,964,731 km (0.066 R)
• M9: 3,173,270 km (0.086 R)
• M10: 3,957,163 km (0.076 R)
• M11: 4,262,642 km (0.095 R)
• M12: 5,771,635 km (0.087 R)
• M13: 8,445,997 km (0.086 R)
• M14: 8,781,844 km (0.112 R)
• M15: 11,085,950 km (0.085 R)
• M16: 13,707,055 km (0.047 R)
• M17: 19,839,221 km (0.057 R)
• M18: 22,205,111 km (0.058 R)
• M19: 26,944,072 km (0.092 R)
• M20: 30,224,604 km (0.073 R)
• M21: 35,684,178 km (0.118 R)
• M22: 37,117,027 km (0.067 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 20,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit