🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 14.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.05 AU - 1.23 AU

Year: 798 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,657,454 km

• M1: 185,053 km (0.118 R)
• M2: 902,973 km (0.102 R)
• M3: 1,662,930 km (0.042 R)
• M4: 2,378,606 km (0.059 R)
• M5: 3,267,816 km (0.113 R)
• M6: 3,812,801 km (0.11 R)
• M7: 4,402,067 km (0.097 R)
• M8: 6,916,059 km (0.117 R)
• M9: 7,558,283 km (0.111 R)
• M10: 8,366,261 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 10.7

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.9 AU - 4.54 AU

Year: 5687 Days

Day: 13.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,657,454 km

• M1: 133,142 km (0.046 R)
• M2: 526,884 km (0.03 R)
• M3: 1,695,393 km (0.092 R)
• M4: 2,783,268 km (0.115 R)
• M5: 3,844,216 km (0.066 R)
• M6: 6,237,782 km (0.103 R)
• M7: 8,037,146 km (0.094 R)
• M8: 8,845,872 km (0.056 R)
• M9: 9,356,599 km (0.097 R)
• M10: 10,577,916 km (0.103 R)
• M11: 11,902,455 km (0.098 R)
• M12: 12,578,339 km (0.046 R)
• M13: 13,279,504 km (0.052 R)
• M14: 15,116,865 km (0.092 R)
• M15: 17,710,892 km (0.066 R)
• M16: 19,078,216 km (0.071 R)
• M17: 23,926,683 km (0.103 R)
• M18: 32,548,607 km (0.105 R)
• M19: 33,869,407 km (0.045 R)
• M20: 34,595,256 km (0.063 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.9

Radius: 7.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.64 AU - 10.12 AU

Year: 17359 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,657,454 km

• M1: 98,286 km (0.117 R)
• M2: 672,293 km (0.098 R)
• M3: 979,268 km (0.117 R)
• M4: 3,795,298 km (0.081 R)
• M5: 4,050,512 km (0.111 R)
• M6: 6,019,370 km (0.069 R)
• M7: 10,516,880 km (0.034 R)
• M8: 13,932,050 km (0.066 R)
• M9: 15,526,763 km (0.096 R)
• M10: 23,506,164 km (0.089 R)
• M11: 24,565,616 km (0.025 R)
• M12: 26,572,920 km (0.086 R)
• M13: 36,203,134 km (0.116 R)
• M14: 38,929,405 km (0.101 R)
• M15: 44,205,124 km (0.11 R)
• M16: 54,300,437 km (0.116 R)
• M17: 55,135,043 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 7.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.82 AU - 10.74 AU

Year: 20064 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,657,454 km

• M1: 94,695 km (0.119 R)
• M2: 491,728 km (0.099 R)
• M3: 1,660,836 km (0.092 R)
• M4: 2,636,064 km (0.096 R)
• M5: 4,461,158 km (0.041 R)
• M6: 6,105,987 km (0.103 R)
• M7: 7,390,135 km (0.089 R)
• M8: 7,658,214 km (0.03 R)
• M9: 8,945,504 km (0.115 R)
• M10: 10,260,469 km (0.115 R)
• M11: 10,993,050 km (0.063 R)
• M12: 12,944,405 km (0.092 R)
• M13: 13,732,337 km (0.118 R)
• M14: 14,413,007 km (0.075 R)
• M15: 15,694,462 km (0.08 R)
• M16: 25,116,735 km (0.113 R)
• M17: 33,789,222 km (0.098 R)
• M18: 35,658,448 km (0.119 R)
• M19: 40,011,297 km (0.057 R)
• M20: 42,814,761 km (0.107 R)
• M21: 44,853,331 km (0.104 R)
• M22: 46,046,823 km (0.077 R)
• M23: 52,497,633 km (0.095 R)
• M24: 56,023,655 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.3

Radius: 4.2

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.82 AU - 10.22 AU

Year: 20807 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,657,454 km

• M1: 52,359 km (0.027 R)
• M2: 614,847 km (0.053 R)
• M3: 1,674,150 km (0.103 R)
• M4: 3,409,934 km (0.111 R)
• M5: 4,776,062 km (0.103 R)
• M6: 6,157,149 km (0.116 R)
• M7: 7,473,012 km (0.085 R)
• M8: 8,384,362 km (0.115 R)
• M9: 9,114,849 km (0.097 R)
• M10: 11,268,908 km (0.104 R)
• M11: 13,871,911 km (0.025 R)
• M12: 15,669,330 km (0.058 R)
• M13: 16,623,764 km (0.05 R)
• M14: 21,004,439 km (0.112 R)
• M15: 21,445,154 km (0.026 R)
• M16: 23,552,539 km (0.057 R)
• M17: 24,704,892 km (0.078 R)
• M18: 27,225,466 km (0.074 R)
• M19: 31,148,521 km (0.091 R)
• M20: 33,482,696 km (0.111 R)
• M21: 41,042,924 km (0.031 R)
• M22: 48,584,152 km (0.119 R)
• M23: 49,045,363 km (0.051 R)
• M24: 50,603,873 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 18,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit