🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 10.8

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,682,542 km

• M1: 135,236 km (0.066 R)
• M2: 568,771 km (0.089 R)
• M3: 986,149 km (0.11 R)
• M4: 1,759,121 km (0.08 R)
• M5: 2,109,779 km (0.103 R)
• M6: 2,612,577 km (0.071 R)
• M7: 2,955,605 km (0.118 R)
• M8: 3,371,038 km (0.114 R)
• M9: 3,722,145 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.1

Radius: 10.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.78 AU - 1.28 AU

Year: 697 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,682,542 km

• M1: 131,347 km (0.042 R)
• M2: 632,949 km (0.119 R)
• M3: 976,724 km (0.11 R)
• M4: 1,354,160 km (0.1 R)
• M5: 2,177,098 km (0.038 R)
• M6: 3,923,055 km (0.12 R)
• M7: 4,412,688 km (0.077 R)
• M8: 4,742,701 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 10.7

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.92 AU - 1.42 AU

Year: 844 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,682,542 km

• M1: 133,142 km (0.104 R)
• M2: 595,400 km (0.086 R)
• M3: 1,307,186 km (0.108 R)
• M4: 2,055,924 km (0.087 R)
• M5: 3,043,868 km (0.111 R)
• M6: 4,111,697 km (0.11 R)
• M7: 4,609,858 km (0.065 R)
• M8: 5,241,610 km (0.117 R)
• M9: 6,307,345 km (0.07 R)
• M10: 7,297,085 km (0.094 R)
• M11: 7,854,038 km (0.091 R)
• M12: 8,517,804 km (0.039 R)
• M13: 8,890,302 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 14

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.38 AU - 1.38 AU

Year: 1081 Days

Day: 8.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 106 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,682,542 km

• M1: 174,132 km (0.119 R)
• M2: 732,581 km (0.103 R)
• M3: 1,295,667 km (0.087 R)
• M4: 1,754,633 km (0.065 R)
• M5: 2,250,700 km (0.03 R)
• M6: 3,147,240 km (0.109 R)
• M7: 3,723,491 km (0.042 R)
• M8: 4,420,019 km (0.078 R)
• M9: 6,859,362 km (0.116 R)
• M10: 7,371,585 km (0.055 R)
• M11: 8,085,915 km (0.118 R)
• M12: 8,954,629 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 10.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.88 AU - 4.02 AU

Year: 4273 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 18,682,542 km

• M1: 129,253 km (0.047 R)
• M2: 511,625 km (0.081 R)
• M3: 946,655 km (0.048 R)
• M4: 1,278,015 km (0.079 R)
• M5: 1,778,419 km (0.085 R)
• M6: 2,156,902 km (0.11 R)
• M7: 2,728,067 km (0.069 R)
• M8: 3,716,460 km (0.108 R)
• M9: 4,196,819 km (0.03 R)
• M10: 4,539,847 km (0.114 R)
• M11: 5,035,315 km (0.082 R)
• M12: 5,394,948 km (0.054 R)
• M13: 6,907,981 km (0.08 R)
• M14: 7,352,885 km (0.12 R)
• M15: 7,780,585 km (0.1 R)
• M16: 9,451,294 km (0.045 R)
• M17: 10,481,575 km (0.12 R)
• M18: 11,208,920 km (0.087 R)
• M19: 13,699,874 km (0.112 R)
• M20: 14,293,777 km (0.116 R)
• M21: 14,848,486 km (0.103 R)
• M22: 18,031,630 km (0.117 R)
• M23: 20,506,278 km (0.075 R)
• M24: 22,153,799 km (0.099 R)
• M25: 23,503,471 km (0.054 R)
• M26: 24,748,574 km (0.084 R)
• M27: 27,454,500 km (0.112 R)
• M28: 27,966,873 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.3

Radius: 14.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.32 AU - 5.04 AU

Year: 5699 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 18,682,542 km

• M1: 184,305 km (0.095 R)
• M2: 974,780 km (0.045 R)
• M3: 1,692,401 km (0.083 R)
• M4: 2,166,028 km (0.103 R)
• M5: 2,766,813 km (0.099 R)
• M6: 3,456,160 km (0.105 R)
• M7: 4,083,274 km (0.064 R)
• M8: 6,267,104 km (0.095 R)
• M9: 8,598,138 km (0.106 R)
• M10: 9,058,001 km (0.105 R)
• M11: 10,256,879 km (0.096 R)
• M12: 10,774,787 km (0.091 R)
• M13: 12,120,419 km (0.098 R)
• M14: 12,699,812 km (0.052 R)
• M15: 15,325,703 km (0.045 R)
• M16: 16,509,322 km (0.071 R)
• M17: 21,022,540 km (0.111 R)
• M18: 21,476,719 km (0.106 R)
• M19: 23,038,222 km (0.116 R)
• M20: 24,093,036 km (0.116 R)
• M21: 25,692,387 km (0.092 R)
• M22: 26,738,226 km (0.095 R)
• M23: 28,544,321 km (0.097 R)
• M24: 29,195,221 km (0.087 R)
• M25: 30,046,732 km (0.07 R)
• M26: 31,305,748 km (0.032 R)
• M27: 31,898,604 km (0.088 R)
• M28: 32,398,411 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19

Radius: 3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.72 AU - 7.94 AU

Year: 14611 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,682,542 km

• M1: 361,279 km (0.074 R)
• M2: 571,613 km (0.063 R)
• M3: 1,012,778 km (0.098 R)
• M4: 3,454,065 km (0.029 R)
• M5: 15,822,219 km (0.12 R)
• M6: 16,896,930 km (0.091 R)
• M7: 17,212,731 km (0.107 R)
• M8: 17,532,422 km (0.095 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: 243 - 19,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit