🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 10.3

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.7 AU - 0.96 AU

Year: 522 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,566,732 km

• M1: 128,056 km (0.115 R)
• M2: 472,580 km (0.092 R)
• M3: 817,702 km (0.098 R)
• M4: 1,224,309 km (0.095 R)
• M5: 1,976,337 km (0.08 R)
• M6: 2,310,390 km (0.088 R)
• M7: 4,640,227 km (0.056 R)
• M8: 6,017,126 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 13.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,566,732 km

• M1: 169,345 km (0.057 R)
• M2: 645,964 km (0.08 R)
• M3: 1,149,061 km (0.114 R)
• M4: 2,030,492 km (0.065 R)
• M5: 2,569,792 km (0.027 R)
• M6: 3,004,673 km (0.062 R)
• M7: 3,476,355 km (0.076 R)
• M8: 4,329,362 km (0.083 R)
• M9: 6,829,442 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 10

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.01 AU - 1.35 AU

Year: 885 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,566,732 km

• M1: 124,316 km (0.071 R)
• M2: 821,592 km (0.118 R)
• M3: 1,173,446 km (0.113 R)
• M4: 1,660,387 km (0.112 R)
• M5: 2,618,860 km (0.089 R)
• M6: 3,108,195 km (0.036 R)
• M7: 3,571,350 km (0.054 R)
• M8: 3,895,229 km (0.085 R)
• M9: 5,643,580 km (0.103 R)
• M10: 7,644,601 km (0.091 R)
• M11: 8,804,732 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.4

Radius: 9.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.57 AU - 1.79 AU

Year: 1503 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 173.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,566,732 km

• M1: 115,789 km (0.12 R)
• M2: 477,965 km (0.113 R)
• M3: 960,568 km (0.116 R)
• M4: 1,275,471 km (0.1 R)
• M5: 1,608,177 km (0.084 R)
• M6: 1,999,076 km (0.099 R)
• M7: 2,882,302 km (0.064 R)
• M8: 3,463,490 km (0.037 R)
• M9: 3,941,006 km (0.082 R)
• M10: 4,479,559 km (0.099 R)
• M11: 4,803,588 km (0.098 R)
• M12: 5,299,355 km (0.098 R)
• M13: 5,703,568 km (0.098 R)
• M14: 5,998,725 km (0.086 R)
• M15: 6,393,364 km (0.038 R)
• M16: 7,555,740 km (0.08 R)
• M17: 7,886,501 km (0.054 R)
• M18: 8,495,663 km (0.104 R)
• M19: 9,278,958 km (0.115 R)
• M20: 9,867,476 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.4

Radius: 11.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.79 AU - 2.49 AU

Year: 2161 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,566,732 km

• M1: 143,016 km (0.114 R)
• M2: 635,193 km (0.094 R)
• M3: 1,072,467 km (0.083 R)
• M4: 1,703,172 km (0.108 R)
• M5: 2,362,898 km (0.073 R)
• M6: 3,690,729 km (0.11 R)
• M7: 4,135,932 km (0.115 R)
• M8: 4,498,258 km (0.025 R)
• M9: 4,881,678 km (0.078 R)
• M10: 5,375,201 km (0.109 R)
• M11: 6,873,723 km (0.111 R)
• M12: 7,411,827 km (0.112 R)
• M13: 7,891,288 km (0.116 R)
• M14: 9,228,992 km (0.098 R)
• M15: 10,258,674 km (0.11 R)
• M16: 12,193,872 km (0.077 R)
• M17: 12,823,230 km (0.11 R)
• M18: 14,018,966 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.7

Radius: 3.3

Gravity: 34.5 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.17 AU - 6.21 AU

Year: 9369 Days

Day: 19.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,566,732 km

• M1: 40,990 km (0.096 R)
• M2: 294,409 km (0.114 R)
• M3: 787,932 km (0.118 R)
• M4: 1,270,684 km (0.098 R)
• M5: 1,542,204 km (0.079 R)
• M6: 1,972,747 km (0.106 R)
• M7: 2,249,952 km (0.098 R)
• M8: 2,921,796 km (0.099 R)
• M9: 3,415,170 km (0.106 R)
• M10: 4,482,999 km (0.09 R)
• M11: 4,816,752 km (0.105 R)
• M12: 4,960,516 km (0.092 R)
• M13: 5,166,662 km (0.113 R)
• M14: 5,440,127 km (0.118 R)
• M15: 7,100,813 km (0.052 R)
• M16: 7,324,910 km (0.119 R)
• M17: 7,787,317 km (0.081 R)
• M18: 9,027,783 km (0.098 R)
• M19: 11,076,526 km (0.111 R)
• M20: 14,639,199 km (0.112 R)
• M21: 19,254,144 km (0.047 R)
• M22: 20,057,634 km (0.089 R)
• M23: 20,505,231 km (0.093 R)
• M24: 23,167,923 km (0.111 R)
• M25: 23,495,542 km (0.118 R)
• M26: 24,751,865 km (0.077 R)
• M27: 27,215,293 km (0.104 R)
• M28: 27,855,722 km (0.06 R)
• M29: 28,226,126 km (0.099 R)
• M30: 31,910,722 km (0.051 R)
• M31: 34,715,233 km (0.066 R)
• M32: 36,895,323 km (0.079 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: 155 - 16,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit