🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.4

Radius: 13.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.65 AU

Year: 250 Days

Day: 12.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,940,371 km

• M1: 165,455 km (0.09 R)
• M2: 623,225 km (0.075 R)
• M3: 1,124,677 km (0.057 R)
• M4: 1,680,882 km (0.041 R)
• M5: 2,107,236 km (0.104 R)
• M6: 2,566,800 km (0.107 R)
• M7: 3,057,481 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.1

Radius: 11.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.51 AU - 0.63 AU

Year: 287 Days

Day: 13.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,940,371 km

• M1: 144,212 km (0.08 R)
• M2: 514,018 km (0.092 R)
• M3: 925,562 km (0.118 R)
• M4: 1,379,891 km (0.059 R)
• M5: 1,839,904 km (0.098 R)
• M6: 2,202,679 km (0.058 R)
• M7: 2,748,562 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 11.5

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.93 AU - 0.97 AU

Year: 617 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,940,371 km

• M1: 143,016 km (0.041 R)
• M2: 521,199 km (0.115 R)
• M3: 1,117,945 km (0.059 R)
• M4: 1,485,956 km (0.065 R)
• M5: 2,467,766 km (0.061 R)
• M6: 3,167,885 km (0.098 R)
• M7: 4,446,049 km (0.081 R)
• M8: 5,813,972 km (0.115 R)
• M9: 6,353,870 km (0.117 R)
• M10: 6,990,110 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 14.2

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.08 AU - 1.54 AU

Year: 1000 Days

Day: 14.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,940,371 km

• M1: 176,825 km (0.118 R)
• M2: 633,996 km (0.089 R)
• M3: 1,183,319 km (0.065 R)
• M4: 1,739,973 km (0.109 R)
• M5: 2,797,929 km (0.114 R)
• M6: 3,620,418 km (0.11 R)
• M7: 4,384,265 km (0.108 R)
• M8: 5,532,279 km (0.068 R)
• M9: 5,987,954 km (0.109 R)
• M10: 6,954,655 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.6

Radius: 13.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.21 AU - 1.87 AU

Year: 1274 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,940,371 km

• M1: 172,486 km (0.093 R)
• M2: 732,431 km (0.059 R)
• M3: 1,189,453 km (0.057 R)
• M4: 1,834,519 km (0.056 R)
• M5: 2,465,373 km (0.082 R)
• M6: 3,298,334 km (0.026 R)
• M7: 4,293,608 km (0.104 R)
• M8: 5,042,196 km (0.111 R)
• M9: 5,742,314 km (0.066 R)
• M10: 6,800,719 km (0.098 R)
• M11: 7,629,641 km (0.111 R)
• M12: 10,325,095 km (0.119 R)
• M13: 11,491,809 km (0.051 R)
• M14: 13,013,519 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 14

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.33 AU - 2.79 AU

Year: 2731 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,940,371 km

• M1: 174,132 km (0.088 R)
• M2: 680,521 km (0.069 R)
• M3: 1,154,896 km (0.118 R)
• M4: 2,661,047 km (0.076 R)
• M5: 3,365,204 km (0.093 R)
• M6: 4,400,272 km (0.095 R)
• M7: 5,679,932 km (0.056 R)
• M8: 6,592,180 km (0.094 R)
• M9: 7,395,520 km (0.096 R)
• M10: 9,405,218 km (0.12 R)
• M11: 10,845,397 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 13.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.23 AU - 3.39 AU

Year: 4016 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,940,371 km

• M1: 169,195 km (0.09 R)
• M2: 1,028,186 km (0.106 R)
• M3: 1,914,853 km (0.093 R)
• M4: 3,798,589 km (0.108 R)
• M5: 4,578,293 km (0.107 R)
• M6: 5,534,822 km (0.103 R)
• M7: 7,751,414 km (0.04 R)
• M8: 10,135,854 km (0.09 R)
• M9: 18,196,337 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.7

Radius: 6.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.75 AU - 8.93 AU

Year: 13261 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,940,371 km

• M1: 83,326 km (0.048 R)
• M2: 341,083 km (0.043 R)
• M3: 603,179 km (0.102 R)
• M4: 871,707 km (0.071 R)
• M5: 1,143,227 km (0.062 R)
• M6: 1,643,781 km (0.118 R)
• M7: 1,890,468 km (0.109 R)
• M8: 2,570,540 km (0.12 R)
• M9: 2,803,614 km (0.1 R)
• M10: 3,472,017 km (0.112 R)
• M11: 3,981,996 km (0.104 R)
• M12: 5,059,998 km (0.053 R)
• M13: 6,320,510 km (0.098 R)
• M14: 6,674,758 km (0.098 R)
• M15: 7,155,117 km (0.104 R)
• M16: 8,351,301 km (0.105 R)
• M17: 9,264,447 km (0.087 R)
• M18: 9,861,940 km (0.092 R)
• M19: 10,484,866 km (0.077 R)
• M20: 11,703,490 km (0.066 R)
• M21: 12,075,989 km (0.081 R)
• M22: 13,880,588 km (0.105 R)
• M23: 14,298,116 km (0.091 R)
• M24: 14,846,990 km (0.089 R)
• M25: 22,492,189 km (0.112 R)
• M26: 27,378,505 km (0.05 R)
• M27: 38,361,083 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.5

Radius: 6.8

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.8 AU - 10.88 AU

Year: 19035 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,940,371 km

• M1: 84,523 km (0.026 R)
• M2: 828,473 km (0.12 R)
• M3: 1,282,503 km (0.08 R)
• M4: 1,763,310 km (0.07 R)
• M5: 2,105,740 km (0.112 R)
• M6: 3,665,148 km (0.101 R)
• M7: 4,524,887 km (0.111 R)
• M8: 5,281,553 km (0.05 R)
• M9: 6,246,160 km (0.092 R)
• M10: 7,323,265 km (0.08 R)
• M11: 7,757,547 km (0.083 R)
• M12: 8,056,444 km (0.046 R)
• M13: 10,072,724 km (0.067 R)
• M14: 11,937,312 km (0.09 R)
• M15: 13,230,436 km (0.102 R)
• M16: 15,536,636 km (0.099 R)
• M17: 18,713,048 km (0.073 R)
• M18: 21,313,209 km (0.118 R)
• M19: 22,800,660 km (0.085 R)
• M20: 24,782,383 km (0.064 R)
• M21: 27,676,504 km (0.12 R)
• M22: 29,686,052 km (0.085 R)
• M23: 30,417,885 km (0.096 R)
• M24: 31,790,894 km (0.11 R)
• M25: 32,944,443 km (0.084 R)
• M26: 40,161,344 km (0.095 R)
• M27: 45,409,386 km (0.061 R)
• M28: 46,707,447 km (0.1 R)
• M29: 47,200,522 km (0.115 R)
• M30: 47,531,133 km (0.116 R)
• M31: 51,971,198 km (0.092 R)
• M32: 68,192,394 km (0.12 R)
• M33: 71,840,189 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 10,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit