🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 9.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.42 AU - 0.64 AU

Year: 271 Days

Day: 5.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,670,487 km

• M1: 118,182 km (0.107 R)
• M2: 499,058 km (0.108 R)
• M3: 880,084 km (0.09 R)
• M4: 1,254,079 km (0.101 R)
• M5: 1,713,793 km (0.116 R)
• M6: 2,194,750 km (0.117 R)
• M7: 2,925,536 km (0.037 R)
• M8: 4,084,770 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 9.1

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.68 AU - 2.08 AU

Year: 1812 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,670,487 km

• M1: 114,891 km (0.106 R)
• M2: 524,939 km (0.079 R)
• M3: 871,408 km (0.102 R)
• M4: 1,183,618 km (0.102 R)
• M5: 1,503,010 km (0.054 R)
• M6: 2,043,507 km (0.081 R)
• M7: 2,593,429 km (0.095 R)
• M8: 3,028,459 km (0.04 R)
• M9: 3,322,569 km (0.086 R)
• M10: 3,744,435 km (0.119 R)
• M11: 4,201,755 km (0.07 R)
• M12: 4,527,131 km (0.107 R)
• M13: 4,825,579 km (0.113 R)
• M14: 5,367,871 km (0.061 R)
• M15: 6,930,271 km (0.111 R)
• M16: 7,356,774 km (0.114 R)
• M17: 8,452,280 km (0.071 R)
• M18: 9,206,851 km (0.055 R)
• M19: 10,625,338 km (0.12 R)
• M20: 11,193,212 km (0.051 R)
• M21: 11,780,982 km (0.087 R)
• M22: 12,184,298 km (0.058 R)
• M23: 12,471,974 km (0.062 R)
• M24: 13,146,661 km (0.063 R)
• M25: 14,024,052 km (0.054 R)
• M26: 14,385,780 km (0.098 R)
• M27: 17,197,322 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 12

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.38 AU - 2.48 AU

Year: 2663 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,670,487 km

• M1: 149,299 km (0.083 R)
• M2: 698,024 km (0.12 R)
• M3: 1,381,836 km (0.109 R)
• M4: 1,916,648 km (0.092 R)
• M5: 2,362,749 km (0.111 R)
• M6: 2,749,010 km (0.03 R)
• M7: 3,423,547 km (0.036 R)
• M8: 4,468,040 km (0.038 R)
• M9: 4,872,702 km (0.071 R)
• M10: 5,402,877 km (0.064 R)
• M11: 6,036,872 km (0.091 R)
• M12: 6,417,898 km (0.076 R)
• M13: 7,031,698 km (0.068 R)
• M14: 8,909,152 km (0.118 R)
• M15: 10,450,010 km (0.101 R)
• M16: 11,034,189 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 14.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.6 AU - 3.94 AU

Year: 5145 Days

Day: 10.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,670,487 km

• M1: 184,454 km (0.112 R)
• M2: 827,725 km (0.089 R)
• M3: 2,865,697 km (0.067 R)
• M4: 4,542,240 km (0.069 R)
• M5: 5,084,383 km (0.096 R)
• M6: 5,889,369 km (0.045 R)
• M7: 7,255,048 km (0.062 R)
• M8: 11,390,681 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 11.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.25 AU - 4.49 AU

Year: 6421 Days

Day: 9.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,670,487 km

• M1: 147,952 km (0.109 R)
• M2: 633,248 km (0.055 R)
• M3: 1,057,507 km (0.094 R)
• M4: 2,526,708 km (0.104 R)
• M5: 2,952,613 km (0.076 R)
• M6: 3,498,496 km (0.049 R)
• M7: 4,233,470 km (0.053 R)
• M8: 6,196,643 km (0.111 R)
• M9: 6,834,229 km (0.086 R)
• M10: 7,951,576 km (0.08 R)
• M11: 10,469,308 km (0.102 R)
• M12: 12,161,708 km (0.059 R)
• M13: 13,843,937 km (0.048 R)
• M14: 17,939,029 km (0.082 R)
• M15: 19,350,485 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.8

Radius: 5.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.58 AU - 5.72 AU

Year: 9440 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,670,487 km

• M1: 70,909 km (0.11 R)
• M2: 459,864 km (0.1 R)
• M3: 762,052 km (0.105 R)
• M4: 1,575,415 km (0.115 R)
• M5: 1,932,804 km (0.116 R)
• M6: 3,164,294 km (0.114 R)
• M7: 3,411,430 km (0.08 R)
• M8: 3,590,050 km (0.112 R)
• M9: 3,901,512 km (0.057 R)
• M10: 4,230,927 km (0.03 R)
• M11: 6,163,582 km (0.077 R)
• M12: 7,908,641 km (0.053 R)
• M13: 8,690,589 km (0.07 R)
• M14: 9,367,819 km (0.09 R)
• M15: 12,107,554 km (0.114 R)
• M16: 13,436,731 km (0.086 R)
• M17: 16,102,864 km (0.098 R)
• M18: 17,238,013 km (0.062 R)
• M19: 19,540,324 km (0.072 R)
• M20: 19,921,649 km (0.111 R)
• M21: 20,372,836 km (0.096 R)
• M22: 22,039,656 km (0.089 R)
• M23: 22,661,385 km (0.107 R)
• M24: 23,723,530 km (0.11 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: 293 - 18,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit