🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 8.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.68 AU - 0.94 AU

Year: 464 Days

Day: 10 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,517,232 km

• M1: 108,758 km (0.088 R)
• M2: 406,757 km (0.056 R)
• M3: 842,984 km (0.056 R)
• M4: 1,245,402 km (0.035 R)
• M5: 1,723,816 km (0.043 R)
• M6: 2,194,601 km (0.078 R)
• M7: 2,691,266 km (0.04 R)
• M8: 3,551,902 km (0.051 R)
• M9: 3,835,839 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.1

Radius: 14.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.41 AU - 1.61 AU

Year: 1180 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,517,232 km

• M1: 180,265 km (0.107 R)
• M2: 631,303 km (0.107 R)
• M3: 1,171,202 km (0.072 R)
• M4: 1,749,098 km (0.102 R)
• M5: 2,591,334 km (0.086 R)
• M6: 3,563,870 km (0.093 R)
• M7: 4,303,332 km (0.079 R)
• M8: 5,266,144 km (0.108 R)
• M9: 6,344,745 km (0.068 R)
• M10: 7,513,403 km (0.094 R)
• M11: 9,483,159 km (0.12 R)
• M12: 10,604,694 km (0.098 R)
• M13: 11,388,736 km (0.091 R)
• M14: 12,469,282 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 10.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.19 AU - 2.75 AU

Year: 2468 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,517,232 km

• M1: 130,599 km (0.097 R)
• M2: 512,822 km (0.118 R)
• M3: 942,915 km (0.103 R)
• M4: 1,432,400 km (0.084 R)
• M5: 1,792,631 km (0.058 R)
• M6: 2,357,363 km (0.097 R)
• M7: 2,788,804 km (0.1 R)
• M8: 3,272,753 km (0.032 R)
• M9: 5,402,278 km (0.078 R)
• M10: 6,157,299 km (0.107 R)
• M11: 6,815,380 km (0.091 R)
• M12: 7,394,922 km (0.087 R)
• M13: 8,033,406 km (0.089 R)
• M14: 8,988,438 km (0.115 R)
• M15: 9,835,611 km (0.119 R)
• M16: 10,170,561 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 14.8

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.89 AU - 3.83 AU

Year: 3916 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,517,232 km

• M1: 228,586 km (0.057 R)
• M2: 805,884 km (0.07 R)
• M3: 1,346,979 km (0.1 R)
• M4: 2,411,518 km (0.05 R)
• M5: 3,067,654 km (0.118 R)
• M6: 3,755,206 km (0.11 R)
• M7: 5,331,369 km (0.088 R)
• M8: 11,170,623 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 8.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.27 AU - 5.51 AU

Year: 6875 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,517,232 km

• M1: 106,065 km (0.052 R)
• M2: 436,676 km (0.107 R)
• M3: 1,263,952 km (0.046 R)
• M4: 1,572,573 km (0.093 R)
• M5: 1,942,080 km (0.077 R)
• M6: 2,321,310 km (0.108 R)
• M7: 2,926,434 km (0.092 R)
• M8: 6,876,416 km (0.107 R)
• M9: 8,007,226 km (0.085 R)
• M10: 8,955,826 km (0.076 R)
• M11: 11,352,384 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 7.5

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.38 AU - 8.18 AU

Year: 12489 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,517,232 km

• M1: 94,995 km (0.093 R)
• M2: 380,427 km (0.101 R)
• M3: 1,191,547 km (0.037 R)
• M4: 1,647,372 km (0.111 R)
• M5: 2,310,988 km (0.094 R)
• M6: 2,928,229 km (0.103 R)
• M7: 3,731,569 km (0.116 R)
• M8: 4,998,663 km (0.09 R)
• M9: 5,443,268 km (0.095 R)
• M10: 6,813,136 km (0.068 R)
• M11: 7,274,047 km (0.102 R)
• M12: 15,093,378 km (0.083 R)
• M13: 18,790,689 km (0.056 R)
• M14: 20,545,173 km (0.091 R)
• M15: 29,527,329 km (0.043 R)
• M16: 36,865,553 km (0.095 R)
• M17: 37,505,383 km (0.101 R)
• M18: 38,413,741 km (0.107 R)
• M19: 41,777,150 km (0.11 R)
• M20: 43,317,410 km (0.093 R)
• M21: 48,622,749 km (0.081 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: 349 - 19,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit