🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 11.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.6 AU - 0.9 AU

Year: 448 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,948,482 km

• M1: 141,819 km (0.107 R)
• M2: 579,393 km (0.059 R)
• M3: 948,899 km (0.098 R)
• M4: 1,516,474 km (0.114 R)
• M5: 1,883,736 km (0.076 R)
• M6: 2,384,141 km (0.073 R)
• M7: 2,834,580 km (0.087 R)
• M8: 3,318,380 km (0.041 R)
• M9: 4,080,432 km (0.103 R)
• M10: 4,568,121 km (0.066 R)
• M11: 5,001,506 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 12.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.61 AU - 0.95 AU

Year: 476 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,948,482 km

• M1: 155,731 km (0.065 R)
• M2: 700,268 km (0.031 R)
• M3: 1,103,883 km (0.088 R)
• M4: 1,497,026 km (0.102 R)
• M5: 2,057,569 km (0.106 R)
• M6: 2,451,760 km (0.113 R)
• M7: 2,876,468 km (0.115 R)
• M8: 3,316,585 km (0.119 R)
• M9: 3,990,972 km (0.088 R)
• M10: 4,430,042 km (0.087 R)
• M11: 4,857,293 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 11.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.98 AU - 3.28 AU

Year: 2944 Days

Day: 14.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,948,482 km

• M1: 138,079 km (0.079 R)
• M2: 524,789 km (0.084 R)
• M3: 1,025,793 km (0.12 R)
• M4: 1,617,153 km (0.101 R)
• M5: 2,117,707 km (0.055 R)
• M6: 2,493,647 km (0.105 R)
• M7: 3,215,606 km (0.053 R)
• M8: 4,169,143 km (0.085 R)
• M9: 4,940,021 km (0.08 R)
• M10: 6,389,026 km (0.068 R)
• M11: 6,737,290 km (0.106 R)
• M12: 7,678,709 km (0.116 R)
• M13: 8,259,298 km (0.032 R)
• M14: 8,608,609 km (0.113 R)
• M15: 10,766,559 km (0.104 R)
• M16: 11,261,129 km (0.048 R)
• M17: 12,214,068 km (0.105 R)
• M18: 13,654,994 km (0.099 R)
• M19: 17,229,187 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.2

Radius: 11.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.69 AU - 3.75 AU

Year: 4953 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,948,482 km

• M1: 146,008 km (0.112 R)
• M2: 522,396 km (0.047 R)
• M3: 1,034,469 km (0.101 R)
• M4: 2,435,902 km (0.049 R)
• M5: 2,984,178 km (0.101 R)
• M6: 5,367,721 km (0.103 R)
• M7: 5,821,302 km (0.054 R)
• M8: 7,797,490 km (0.11 R)
• M9: 9,634,851 km (0.101 R)
• M10: 10,146,027 km (0.103 R)
• M11: 11,656,666 km (0.116 R)
• M12: 12,146,898 km (0.118 R)
• M13: 21,450,240 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 13.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.21 AU - 4.43 AU

Year: 6198 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,948,482 km

• M1: 170,841 km (0.091 R)
• M2: 747,989 km (0.071 R)
• M3: 1,495,979 km (0.067 R)
• M4: 2,237,236 km (0.103 R)
• M5: 2,849,540 km (0.099 R)
• M6: 3,371,637 km (0.072 R)
• M7: 3,819,383 km (0.083 R)
• M8: 5,409,160 km (0.082 R)
• M9: 6,605,793 km (0.082 R)
• M10: 7,875,281 km (0.085 R)
• M11: 8,912,592 km (0.11 R)
• M12: 10,001,066 km (0.116 R)
• M13: 12,974,175 km (0.117 R)
• M14: 14,275,227 km (0.058 R)
• M15: 18,529,192 km (0.118 R)
• M16: 19,224,074 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.6

Radius: 3.3

Gravity: 80.31 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.65 AU - 5.97 AU

Year: 9667 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 41,948,482 km

• M1: 40,990 km (0.116 R)
• M2: 155,283 km (0.11 R)
• M3: 277,654 km (0.071 R)
• M4: 447,447 km (0.092 R)
• M5: 635,193 km (0.064 R)
• M6: 834,756 km (0.1 R)
• M7: 965,056 km (0.103 R)
• M8: 1,643,931 km (0.113 R)
• M9: 1,899,893 km (0.094 R)
• M10: 2,002,517 km (0.066 R)
• M11: 2,108,881 km (0.085 R)
• M12: 2,256,534 km (0.043 R)
• M13: 2,411,069 km (0.098 R)
• M14: 2,741,231 km (0.111 R)
• M15: 3,171,624 km (0.099 R)
• M16: 3,968,084 km (0.041 R)
• M17: 5,554,120 km (0.104 R)
• M18: 5,764,754 km (0.102 R)
• M19: 7,475,854 km (0.098 R)
• M20: 9,448,302 km (0.1 R)
• M21: 11,123,350 km (0.052 R)
• M22: 13,232,829 km (0.086 R)
• M23: 14,381,143 km (0.069 R)
• M24: 18,376,004 km (0.105 R)
• M25: 19,239,034 km (0.042 R)
• M26: 23,051,386 km (0.11 R)
• M27: 23,594,875 km (0.056 R)
• M28: 24,613,487 km (0.102 R)
• M29: 25,086,067 km (0.098 R)
• M30: 25,564,631 km (0.079 R)
• M31: 27,539,771 km (0.101 R)
• M32: 28,772,308 km (0.098 R)
• M33: 29,086,164 km (0.057 R)
• M34: 35,132,013 km (0.118 R)
• M35: 36,093,478 km (0.107 R)
• M36: 38,194,281 km (0.088 R)
• M37: 40,114,370 km (0.102 R)
• M38: 40,375,119 km (0.106 R)
• M39: 43,593,268 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.7

Radius: 5.2

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.25 AU - 8.81 AU

Year: 14263 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,948,482 km

• M1: 73,303 km (0.102 R)
• M2: 239,506 km (0.092 R)
• M3: 498,610 km (0.109 R)
• M4: 680,670 km (0.073 R)
• M5: 916,885 km (0.106 R)
• M6: 2,186,223 km (0.117 R)
• M7: 2,492,301 km (0.065 R)
• M8: 4,036,001 km (0.073 R)
• M9: 5,113,854 km (0.051 R)
• M10: 5,819,058 km (0.095 R)
• M11: 6,957,348 km (0.108 R)
• M12: 7,380,860 km (0.119 R)
• M13: 7,862,116 km (0.064 R)
• M14: 9,902,481 km (0.118 R)
• M15: 12,605,416 km (0.106 R)
• M16: 14,246,953 km (0.117 R)
• M17: 14,928,970 km (0.071 R)
• M18: 15,959,699 km (0.041 R)
• M19: 21,189,192 km (0.119 R)
• M20: 24,361,265 km (0.082 R)
• M21: 27,740,532 km (0.097 R)
• M22: 29,492,023 km (0.049 R)
• M23: 29,691,138 km (0.116 R)
• M24: 32,255,545 km (0.059 R)
• M25: 32,999,196 km (0.102 R)
• M26: 38,172,739 km (0.105 R)
• M27: 41,447,885 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 14,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit