🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 9.3

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.93 AU

Year: 419 Days

Day: 7.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,357,029 km

• M1: 115,639 km (0.084 R)
• M2: 600,187 km (0.064 R)
• M3: 1,031,328 km (0.108 R)
• M4: 1,361,041 km (0.11 R)
• M5: 1,797,867 km (0.117 R)
• M6: 2,147,777 km (0.106 R)
• M7: 2,676,007 km (0.096 R)
• M8: 3,423,996 km (0.036 R)
• M9: 3,791,708 km (0.086 R)
• M10: 4,225,392 km (0.083 R)
• M11: 4,864,324 km (0.093 R)
• M12: 5,176,834 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 14.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.66 AU - 0.94 AU

Year: 462 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,357,029 km

• M1: 177,872 km (0.101 R)
• M2: 1,315,713 km (0.11 R)
• M3: 1,833,322 km (0.108 R)
• M4: 2,359,607 km (0.068 R)
• M5: 3,008,413 km (0.07 R)
• M6: 3,541,430 km (0.109 R)
• M7: 4,369,305 km (0.065 R)
• M8: 5,041,448 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.1

Radius: 9.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.32 AU - 1.44 AU

Year: 1047 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,357,029 km

• M1: 116,986 km (0.051 R)
• M2: 409,898 km (0.073 R)
• M3: 901,028 km (0.054 R)
• M4: 1,285,345 km (0.06 R)
• M5: 1,796,521 km (0.108 R)
• M6: 2,844,454 km (0.076 R)
• M7: 3,267,517 km (0.094 R)
• M8: 3,597,081 km (0.106 R)
• M9: 4,391,445 km (0.1 R)
• M10: 4,758,110 km (0.041 R)
• M11: 5,375,799 km (0.107 R)
• M12: 7,237,395 km (0.025 R)
• M13: 8,080,080 km (0.115 R)
• M14: 9,209,843 km (0.08 R)
• M15: 9,695,737 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.9

Radius: 11.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.3 AU - 2 AU

Year: 1368 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,357,029 km

• M1: 142,118 km (0.108 R)
• M2: 581,188 km (0.095 R)
• M3: 974,630 km (0.115 R)
• M4: 1,669,063 km (0.034 R)
• M5: 2,288,997 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.1

Radius: 13.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.12 AU - 5.62 AU

Year: 6939 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,357,029 km

• M1: 166,802 km (0.078 R)
• M2: 746,793 km (0.12 R)
• M3: 1,996,982 km (0.086 R)
• M4: 2,487,663 km (0.061 R)
• M5: 3,231,613 km (0.102 R)
• M6: 6,885,541 km (0.088 R)
• M7: 7,302,171 km (0.077 R)
• M8: 7,816,339 km (0.089 R)
• M9: 11,013,694 km (0.093 R)
• M10: 12,845,072 km (0.11 R)
• M11: 16,492,118 km (0.105 R)
• M12: 17,310,418 km (0.099 R)
• M13: 17,800,202 km (0.084 R)
• M14: 19,928,830 km (0.079 R)
• M15: 30,252,579 km (0.063 R)
• M16: 32,844,961 km (0.086 R)
• M17: 36,948,280 km (0.112 R)
• M18: 40,150,124 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.3

Radius: 3.3

Gravity: 43.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.54 AU - 8.76 AU

Year: 13662 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,357,029 km

• M1: 43,982 km (0.117 R)
• M2: 271,819 km (0.091 R)
• M3: 399,875 km (0.11 R)
• M4: 525,537 km (0.108 R)
• M5: 720,015 km (0.083 R)
• M6: 1,955,543 km (0.089 R)
• M7: 2,381,598 km (0.113 R)
• M8: 2,669,574 km (0.071 R)
• M9: 3,026,515 km (0.107 R)
• M10: 3,265,273 km (0.063 R)
• M11: 3,389,289 km (0.108 R)
• M12: 3,620,418 km (0.083 R)
• M13: 3,944,746 km (0.086 R)
• M14: 4,437,073 km (0.053 R)
• M15: 4,589,363 km (0.117 R)
• M16: 4,969,043 km (0.079 R)
• M17: 5,233,532 km (0.086 R)
• M18: 6,502,421 km (0.108 R)
• M19: 7,918,215 km (0.081 R)
• M20: 8,097,284 km (0.105 R)
• M21: 8,936,378 km (0.085 R)
• M22: 12,874,842 km (0.075 R)
• M23: 13,184,958 km (0.108 R)
• M24: 14,474,791 km (0.063 R)
• M25: 14,675,252 km (0.1 R)
• M26: 17,527,934 km (0.077 R)
• M27: 19,324,754 km (0.045 R)
• M28: 25,639,429 km (0.083 R)
• M29: 26,129,811 km (0.061 R)
• M30: 27,332,279 km (0.106 R)
• M31: 28,154,020 km (0.089 R)
• M32: 28,257,841 km (0.066 R)
• M33: 28,361,961 km (0.087 R)
• M34: 30,827,932 km (0.114 R)
• M35: 34,610,215 km (0.073 R)
• M36: 38,690,198 km (0.106 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: 508 - 18,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit