🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 10.2

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.62 AU - 0.62 AU

Year: 343 Days

Day: 12.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,492,061 km

• M1: 126,859 km (0.028 R)
• M2: 469,737 km (0.067 R)
• M3: 910,303 km (0.026 R)
• M4: 1,269,936 km (0.085 R)
• M5: 1,603,689 km (0.102 R)
• M6: 2,035,578 km (0.067 R)
• M7: 3,115,525 km (0.106 R)
• M8: 3,499,992 km (0.118 R)
• M9: 4,365,415 km (0.106 R)
• M10: 4,935,084 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.3

Radius: 10.1

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.86 AU - 1.08 AU

Year: 672 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,492,061 km

• M1: 125,662 km (0.042 R)
• M2: 676,930 km (0.057 R)
• M3: 1,143,227 km (0.118 R)
• M4: 1,496,428 km (0.075 R)
• M5: 2,275,384 km (0.1 R)
• M6: 3,000,335 km (0.064 R)
• M7: 3,756,702 km (0.037 R)
• M8: 4,635,290 km (0.047 R)
• M9: 5,683,223 km (0.12 R)
• M10: 6,192,305 km (0.094 R)
• M11: 6,541,466 km (0.105 R)
• M12: 7,832,945 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.9

Radius: 8.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.91 AU - 1.41 AU

Year: 878 Days

Day: 10.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,492,061 km

• M1: 108,159 km (0.098 R)
• M2: 385,065 km (0.097 R)
• M3: 680,820 km (0.091 R)
• M4: 1,127,220 km (0.05 R)
• M5: 1,460,674 km (0.114 R)
• M6: 2,076,119 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.3

Radius: 14

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.1 AU - 3.88 AU

Year: 4583 Days

Day: 6.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,492,061 km

• M1: 175,777 km (0.12 R)
• M2: 754,572 km (0.098 R)
• M3: 1,309,580 km (0.117 R)
• M4: 2,679,298 km (0.049 R)
• M5: 3,769,866 km (0.115 R)
• M6: 4,976,074 km (0.03 R)
• M7: 6,005,008 km (0.098 R)
• M8: 6,497,784 km (0.084 R)
• M9: 7,538,536 km (0.111 R)
• M10: 8,541,440 km (0.113 R)
• M11: 11,053,039 km (0.106 R)
• M12: 11,977,853 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 8.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.57 AU - 4.47 AU

Year: 5666 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,492,061 km

• M1: 108,159 km (0.08 R)
• M2: 391,647 km (0.114 R)
• M3: 802,742 km (0.119 R)
• M4: 1,173,296 km (0.068 R)
• M5: 1,987,258 km (0.058 R)
• M6: 2,632,773 km (0.091 R)
• M7: 3,186,734 km (0.069 R)
• M8: 4,591,159 km (0.094 R)
• M9: 5,491,439 km (0.084 R)
• M10: 6,450,062 km (0.08 R)
• M11: 6,868,936 km (0.088 R)
• M12: 7,516,246 km (0.108 R)
• M13: 8,012,013 km (0.109 R)
• M14: 9,957,234 km (0.106 R)
• M15: 11,457,252 km (0.108 R)
• M16: 13,235,073 km (0.079 R)
• M17: 14,050,531 km (0.078 R)
• M18: 15,731,413 km (0.115 R)
• M19: 16,337,434 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.5

Radius: 4.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6 AU - 6.12 AU

Year: 10486 Days

Day: 16.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,492,061 km

• M1: 56,249 km (0.119 R)
• M2: 307,274 km (0.037 R)
• M3: 670,348 km (0.058 R)
• M4: 935,435 km (0.063 R)
• M5: 1,207,105 km (0.119 R)
• M6: 1,361,640 km (0.085 R)
• M7: 1,541,157 km (0.086 R)
• M8: 3,255,698 km (0.043 R)
• M9: 6,679,695 km (0.098 R)
• M10: 9,194,884 km (0.094 R)
• M11: 10,128,524 km (0.105 R)
• M12: 11,213,108 km (0.054 R)
• M13: 12,277,348 km (0.095 R)
• M14: 13,006,637 km (0.097 R)
• M15: 14,075,514 km (0.115 R)
• M16: 14,711,903 km (0.118 R)
• M17: 14,982,676 km (0.056 R)
• M18: 18,433,300 km (0.052 R)
• M19: 18,621,793 km (0.037 R)
• M20: 21,465,050 km (0.045 R)
• M21: 22,094,858 km (0.069 R)
• M22: 22,880,994 km (0.111 R)
• M23: 23,982,932 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.1

Radius: 4.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.57 AU - 12.07 AU

Year: 21631 Days

Day: 15 Hours

Environment

Temp: -243 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,492,061 km

• M1: 68,665 km (0.115 R)
• M2: 293,810 km (0.095 R)
• M3: 889,958 km (0.096 R)
• M4: 2,189,215 km (0.073 R)
• M5: 2,477,790 km (0.109 R)
• M6: 3,072,142 km (0.098 R)
• M7: 3,371,637 km (0.092 R)
• M8: 3,539,186 km (0.09 R)
• M9: 3,778,693 km (0.095 R)
• M10: 4,075,644 km (0.053 R)
• M11: 4,613,150 km (0.118 R)
• M12: 12,325,219 km (0.062 R)
• M13: 20,807,119 km (0.08 R)
• M14: 22,679,486 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 12,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit