🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.7

Radius: 11

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.13 AU - 1.27 AU

Year: 892 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,256,040 km

• M1: 137,032 km (0.118 R)
• M2: 550,969 km (0.081 R)
• M3: 998,267 km (0.089 R)
• M4: 1,361,490 km (0.118 R)
• M5: 2,140,147 km (0.064 R)
• M6: 2,611,979 km (0.045 R)
• M7: 3,613,537 km (0.119 R)
• M8: 4,119,327 km (0.07 R)
• M9: 4,564,680 km (0.038 R)
• M10: 6,653,964 km (0.098 R)
• M11: 7,366,947 km (0.106 R)
• M12: 7,767,570 km (0.062 R)
• M13: 8,262,290 km (0.119 R)
• M14: 8,667,701 km (0.072 R)
• M15: 9,784,000 km (0.091 R)
• M16: 10,423,531 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 11.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.4 AU - 3.16 AU

Year: 3144 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,256,040 km

• M1: 144,811 km (0.047 R)
• M2: 579,692 km (0.067 R)
• M3: 972,237 km (0.089 R)
• M4: 1,978,133 km (0.073 R)
• M5: 2,401,195 km (0.069 R)
• M6: 3,015,444 km (0.1 R)
• M7: 3,948,187 km (0.118 R)
• M8: 4,493,022 km (0.067 R)
• M9: 4,899,181 km (0.087 R)
• M10: 5,605,432 km (0.109 R)
• M11: 7,011,054 km (0.035 R)
• M12: 7,908,491 km (0.109 R)
• M13: 9,056,356 km (0.071 R)
• M14: 11,103,154 km (0.106 R)
• M15: 11,722,639 km (0.088 R)
• M16: 13,907,964 km (0.09 R)
• M17: 14,482,121 km (0.051 R)
• M18: 14,972,652 km (0.11 R)
• M19: 16,090,747 km (0.073 R)
• M20: 16,777,102 km (0.075 R)
• M21: 17,209,141 km (0.098 R)
• M22: 18,321,850 km (0.076 R)
• M23: 19,246,065 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 13.7

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.31 AU - 3.37 AU

Year: 3246 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,256,040 km

• M1: 170,392 km (0.086 R)
• M2: 610,210 km (0.066 R)
• M3: 1,074,861 km (0.113 R)
• M4: 1,946,567 km (0.103 R)
• M5: 2,671,369 km (0.113 R)
• M6: 3,532,006 km (0.03 R)
• M7: 5,173,842 km (0.074 R)
• M8: 6,453,353 km (0.074 R)
• M9: 7,089,293 km (0.096 R)
• M10: 7,934,372 km (0.084 R)
• M11: 8,593,500 km (0.099 R)
• M12: 9,214,032 km (0.038 R)
• M13: 10,061,354 km (0.052 R)
• M14: 10,960,138 km (0.119 R)
• M15: 13,153,842 km (0.077 R)
• M16: 14,328,933 km (0.116 R)
• M17: 18,039,110 km (0.117 R)
• M18: 20,178,658 km (0.099 R)
• M19: 22,550,981 km (0.108 R)
• M20: 23,381,549 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.9

Radius: 7.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.75 AU - 6.05 AU

Year: 9720 Days

Day: 20.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,256,040 km

• M1: 94,546 km (0.113 R)
• M2: 432,338 km (0.072 R)
• M3: 737,966 km (0.052 R)
• M4: 987,047 km (0.099 R)
• M5: 1,250,489 km (0.109 R)
• M6: 1,499,868 km (0.082 R)
• M7: 1,951,803 km (0.12 R)
• M8: 2,526,259 km (0.099 R)
• M9: 3,889,395 km (0.069 R)
• M10: 4,823,783 km (0.1 R)
• M11: 5,358,147 km (0.104 R)
• M12: 5,594,661 km (0.094 R)
• M13: 7,378,915 km (0.111 R)
• M14: 8,360,726 km (0.111 R)
• M15: 8,883,122 km (0.073 R)
• M16: 11,096,871 km (0.074 R)
• M17: 11,433,616 km (0.055 R)
• M18: 12,077,186 km (0.094 R)
• M19: 12,797,051 km (0.045 R)
• M20: 15,011,249 km (0.082 R)
• M21: 16,147,445 km (0.111 R)
• M22: 17,990,640 km (0.073 R)
• M23: 20,325,115 km (0.087 R)
• M24: 21,639,332 km (0.099 R)
• M25: 23,399,949 km (0.064 R)
• M26: 26,943,773 km (0.076 R)
• M27: 30,266,342 km (0.038 R)
• M28: 31,687,821 km (0.067 R)
• M29: 32,955,364 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.8

Radius: 3.6

Gravity: 22.98 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.48 AU - 11.8 AU

Year: 23540 Days

Day: 19.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,256,040 km

• M1: 45,478 km (0.101 R)
• M2: 161,416 km (0.049 R)
• M3: 431,889 km (0.079 R)
• M4: 1,322,744 km (0.068 R)
• M5: 1,693,298 km (0.052 R)
• M6: 1,957,638 km (0.089 R)
• M7: 2,750,955 km (0.1 R)
• M8: 3,167,137 km (0.067 R)
• M9: 5,185,661 km (0.045 R)
• M10: 10,382,092 km (0.026 R)
• M11: 20,413,527 km (0.108 R)
• M12: 25,540,844 km (0.117 R)
• M13: 27,460,335 km (0.081 R)
• M14: 27,789,300 km (0.085 R)
• M15: 39,757,579 km (0.113 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: 420 - 12,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit