🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 12.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 11.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 84,442,633 km

• M1: 151,692 km (0.057 R)
• M2: 756,666 km (0.119 R)
• M3: 1,526,197 km (0.109 R)
• M4: 2,389,826 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.5

Radius: 13.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.79 AU - 1.11 AU

Year: 607 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,442,633 km

• M1: 171,439 km (0.085 R)
• M2: 826,079 km (0.112 R)
• M3: 2,367,985 km (0.09 R)
• M4: 2,823,510 km (0.112 R)
• M5: 3,312,246 km (0.051 R)
• M6: 4,213,125 km (0.093 R)
• M7: 5,415,742 km (0.093 R)
• M8: 5,980,025 km (0.049 R)
• M9: 7,428,133 km (0.106 R)
• M10: 7,888,745 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 12.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.1 AU - 3.08 AU

Year: 2734 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,442,633 km

• M1: 155,432 km (0.058 R)
• M2: 704,157 km (0.073 R)
• M3: 1,290,730 km (0.069 R)
• M4: 1,703,172 km (0.089 R)
• M5: 2,154,658 km (0.061 R)
• M6: 2,944,535 km (0.111 R)
• M7: 3,657,219 km (0.063 R)
• M8: 4,783,242 km (0.101 R)
• M9: 5,720,323 km (0.107 R)
• M10: 6,888,384 km (0.113 R)
• M11: 8,796,205 km (0.083 R)
• M12: 9,306,334 km (0.113 R)
• M13: 9,764,403 km (0.058 R)
• M14: 11,308,701 km (0.069 R)
• M15: 12,327,014 km (0.085 R)
• M16: 12,880,077 km (0.112 R)
• M17: 13,628,516 km (0.118 R)
• M18: 14,452,201 km (0.111 R)
• M19: 16,914,882 km (0.094 R)
• M20: 17,758,913 km (0.067 R)
• M21: 18,245,854 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.1

Radius: 14.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.09 AU - 3.33 AU

Year: 2927 Days

Day: 8.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,442,633 km

• M1: 185,501 km (0.077 R)
• M2: 735,124 km (0.109 R)
• M3: 1,269,488 km (0.05 R)
• M4: 1,796,072 km (0.114 R)
• M5: 2,375,465 km (0.12 R)
• M6: 3,242,983 km (0.117 R)
• M7: 4,647,707 km (0.095 R)
• M8: 5,512,233 km (0.049 R)
• M9: 7,295,888 km (0.03 R)
• M10: 8,304,477 km (0.032 R)
• M11: 9,265,793 km (0.066 R)
• M12: 10,674,406 km (0.085 R)
• M13: 14,050,232 km (0.11 R)
• M14: 15,906,143 km (0.103 R)
• M15: 18,082,343 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.1

Radius: 7.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.4 AU - 6.58 AU

Year: 10846 Days

Day: 24.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,442,633 km

• M1: 94,097 km (0.096 R)
• M2: 401,221 km (0.072 R)
• M3: 671,395 km (0.03 R)
• M4: 940,223 km (0.117 R)
• M5: 1,305,092 km (0.055 R)
• M6: 1,554,172 km (0.064 R)
• M7: 4,465,496 km (0.064 R)
• M8: 5,281,553 km (0.081 R)
• M9: 5,922,729 km (0.088 R)
• M10: 6,296,874 km (0.112 R)
• M11: 6,614,619 km (0.087 R)
• M12: 10,653,912 km (0.067 R)
• M13: 12,704,599 km (0.102 R)
• M14: 13,098,640 km (0.086 R)
• M15: 17,088,864 km (0.113 R)
• M16: 18,058,408 km (0.09 R)
• M17: 19,210,910 km (0.113 R)
• M18: 21,265,786 km (0.065 R)
• M19: 21,901,727 km (0.091 R)
• M20: 24,572,647 km (0.108 R)
• M21: 33,128,598 km (0.047 R)
• M22: 33,875,391 km (0.112 R)
• M23: 35,735,491 km (0.102 R)
• M24: 38,242,452 km (0.066 R)
• M25: 38,710,543 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 7.2

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.48 AU - 12 AU

Year: 19941 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,442,633 km

• M1: 89,759 km (0.075 R)
• M2: 410,796 km (0.12 R)
• M3: 640,279 km (0.103 R)
• M4: 928,554 km (0.099 R)
• M5: 1,252,882 km (0.08 R)
• M6: 1,712,746 km (0.091 R)
• M7: 2,060,711 km (0.101 R)
• M8: 2,876,617 km (0.11 R)
• M9: 3,296,389 km (0.072 R)
• M10: 7,851,046 km (0.113 R)
• M11: 8,530,220 km (0.098 R)
• M12: 8,812,661 km (0.075 R)
• M13: 9,697,383 km (0.08 R)
• M14: 12,524,783 km (0.059 R)
• M15: 12,951,436 km (0.1 R)
• M16: 15,788,110 km (0.115 R)
• M17: 16,430,185 km (0.108 R)
• M18: 19,254,144 km (0.037 R)
• M19: 21,163,611 km (0.083 R)
• M20: 29,209,882 km (0.094 R)
• M21: 30,394,697 km (0.108 R)
• M22: 33,905,460 km (0.12 R)
• M23: 40,386,040 km (0.083 R)
• M24: 41,049,506 km (0.067 R)
• M25: 41,720,303 km (0.087 R)
• M26: 44,758,486 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.7

Radius: 6

Gravity: 20.3 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.97 AU - 12.23 AU

Year: 22640 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 177.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,442,633 km

• M1: 76,145 km (0.095 R)
• M2: 401,072 km (0.115 R)
• M3: 812,167 km (0.042 R)
• M4: 1,226,403 km (0.085 R)
• M5: 1,592,021 km (0.094 R)
• M6: 1,986,809 km (0.092 R)
• M7: 3,218,149 km (0.113 R)
• M8: 4,777,558 km (0.056 R)
• M9: 5,002,702 km (0.085 R)
• M10: 5,234,878 km (0.05 R)
• M11: 6,971,410 km (0.117 R)
• M12: 10,000,468 km (0.096 R)
• M13: 10,431,908 km (0.102 R)
• M14: 12,352,895 km (0.078 R)
• M15: 14,419,888 km (0.042 R)
• M16: 15,210,812 km (0.107 R)
• M17: 15,453,610 km (0.116 R)
• M18: 19,224,523 km (0.058 R)
• M19: 20,870,698 km (0.115 R)
• M20: 23,782,920 km (0.047 R)
• M21: 26,253,080 km (0.08 R)
• M22: 31,433,804 km (0.101 R)
• M23: 34,124,172 km (0.088 R)
• M24: 36,096,171 km (0.107 R)
• M25: 37,110,145 km (0.081 R)
• M26: 37,698,065 km (0.116 R)
• M27: 39,194,792 km (0.103 R)
• M28: 62,402,657 km (0.062 R)
• M29: 64,705,717 km (0.055 R)
• M30: 72,181,421 km (0.066 R)
• M31: 75,890,401 km (0.087 R)
• M32: 76,837,057 km (0.108 R)
• M33: 82,933,170 km (0.113 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: 505 - 10,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit