🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.5

Radius: 11.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 11.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 178.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,716,939 km

• M1: 145,559 km (0.085 R)
• M2: 527,632 km (0.112 R)
• M3: 897,737 km (0.118 R)
• M4: 1,473,838 km (0.106 R)
• M5: 1,841,999 km (0.082 R)
• M6: 2,341,655 km (0.036 R)
• M7: 2,718,343 km (0.051 R)
• M8: 3,222,488 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 8.7

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.85 AU

Year: 404 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,716,939 km

• M1: 108,907 km (0.092 R)
• M2: 387,458 km (0.11 R)
• M3: 670,498 km (0.117 R)
• M4: 998,715 km (0.093 R)
• M5: 1,359,994 km (0.12 R)
• M6: 1,712,297 km (0.086 R)
• M7: 2,262,518 km (0.09 R)
• M8: 3,000,036 km (0.049 R)
• M9: 3,713,468 km (0.105 R)
• M10: 4,005,333 km (0.116 R)
• M11: 4,635,290 km (0.075 R)
• M12: 4,914,290 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.4

Radius: 10.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.75 AU - 1.23 AU

Year: 680 Days

Day: 10.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,716,939 km

• M1: 125,662 km (0.12 R)
• M2: 443,558 km (0.113 R)
• M3: 998,267 km (0.097 R)
• M4: 1,492,089 km (0.065 R)
• M5: 1,936,395 km (0.057 R)
• M6: 2,520,126 km (0.104 R)
• M7: 3,192,568 km (0.083 R)
• M8: 3,511,810 km (0.062 R)
• M9: 4,569,168 km (0.068 R)
• M10: 4,926,258 km (0.094 R)
• M11: 6,345,493 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 11.9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.48 AU - 4.48 AU

Year: 5481 Days

Day: 12.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,716,939 km

• M1: 148,102 km (0.075 R)
• M2: 551,717 km (0.119 R)
• M3: 1,018,911 km (0.103 R)
• M4: 1,522,757 km (0.107 R)
• M5: 1,963,173 km (0.111 R)
• M6: 2,454,452 km (0.118 R)
• M7: 4,897,984 km (0.059 R)
• M8: 5,326,133 km (0.094 R)
• M9: 5,810,381 km (0.085 R)
• M10: 6,192,604 km (0.069 R)
• M11: 7,703,393 km (0.089 R)
• M12: 11,098,068 km (0.078 R)
• M13: 11,941,201 km (0.102 R)
• M14: 14,495,286 km (0.081 R)
• M15: 15,992,910 km (0.041 R)
• M16: 20,076,184 km (0.099 R)
• M17: 23,500,778 km (0.109 R)
• M18: 24,311,599 km (0.086 R)
• M19: 24,723,890 km (0.047 R)
• M20: 27,563,557 km (0.119 R)
• M21: 28,739,696 km (0.101 R)
• M22: 30,614,007 km (0.062 R)
• M23: 32,768,366 km (0.108 R)
• M24: 33,474,468 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 13.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.18 AU - 4.54 AU

Year: 6284 Days

Day: 8.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,716,939 km

• M1: 222,602 km (0.118 R)
• M2: 773,571 km (0.051 R)
• M3: 2,227,961 km (0.112 R)
• M4: 2,657,157 km (0.078 R)
• M5: 6,464,573 km (0.105 R)
• M6: 9,250,833 km (0.092 R)
• M7: 10,295,325 km (0.081 R)
• M8: 10,950,564 km (0.087 R)
• M9: 17,065,826 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.4

Radius: 6.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.34 AU - 8.68 AU

Year: 17136 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,716,939 km

• M1: 80,932 km (0.104 R)
• M2: 636,090 km (0.071 R)
• M3: 1,205,460 km (0.106 R)
• M4: 1,480,271 km (0.103 R)
• M5: 2,071,183 km (0.118 R)
• M6: 2,281,816 km (0.041 R)
• M7: 3,067,804 km (0.071 R)
• M8: 4,239,454 km (0.12 R)
• M9: 5,683,223 km (0.12 R)
• M10: 6,534,734 km (0.065 R)
• M11: 6,760,328 km (0.049 R)
• M12: 9,549,131 km (0.054 R)
• M13: 10,904,638 km (0.101 R)
• M14: 11,988,025 km (0.092 R)
• M15: 12,555,899 km (0.091 R)
• M16: 14,241,268 km (0.078 R)
• M17: 15,072,733 km (0.067 R)
• M18: 15,400,951 km (0.081 R)
• M19: 16,414,477 km (0.082 R)
• M20: 16,622,418 km (0.099 R)
• M21: 17,114,445 km (0.04 R)
• M22: 18,875,212 km (0.054 R)
• M23: 20,753,264 km (0.094 R)
• M24: 22,156,641 km (0.116 R)
• M25: 22,410,808 km (0.085 R)
• M26: 25,799,499 km (0.108 R)
• M27: 26,649,365 km (0.094 R)
• M28: 29,412,737 km (0.089 R)
• M29: 30,028,781 km (0.08 R)
• M30: 33,460,556 km (0.103 R)
• M31: 34,357,694 km (0.119 R)
• M32: 36,316,977 km (0.045 R)
• M33: 38,227,941 km (0.094 R)
• M34: 38,961,419 km (0.11 R)
• M35: 42,249,131 km (0.103 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: 259 - 12,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit