🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.4

Radius: 14.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.64 AU - 0.76 AU

Year: 397 Days

Day: 13.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,923,494 km

• M1: 177,872 km (0.085 R)
• M2: 688,449 km (0.094 R)
• M3: 1,159,084 km (0.101 R)
• M4: 1,657,544 km (0.07 R)
• M5: 2,102,598 km (0.057 R)
• M6: 2,989,115 km (0.113 R)
• M7: 4,249,028 km (0.1 R)
• M8: 5,601,543 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.5

Radius: 12.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.99 AU - 3.23 AU

Year: 2860 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,923,494 km

• M1: 154,235 km (0.112 R)
• M2: 768,933 km (0.044 R)
• M3: 1,935,647 km (0.092 R)
• M4: 3,040,128 km (0.1 R)
• M5: 4,439,766 km (0.072 R)
• M6: 4,922,817 km (0.094 R)
• M7: 6,080,405 km (0.072 R)
• M8: 7,836,385 km (0.088 R)
• M9: 8,490,726 km (0.108 R)
• M10: 9,525,944 km (0.068 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.8

Radius: 3.2

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.48 AU - 7.48 AU

Year: 11188 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,923,494 km

• M1: 41,289 km (0.087 R)
• M2: 157,527 km (0.073 R)
• M3: 372,050 km (0.112 R)
• M4: 528,080 km (0.045 R)
• M5: 704,756 km (0.05 R)
• M6: 1,125,574 km (0.053 R)
• M7: 1,327,232 km (0.094 R)
• M8: 1,775,278 km (0.11 R)
• M9: 1,915,900 km (0.11 R)
• M10: 2,643,095 km (0.103 R)
• M11: 4,235,116 km (0.12 R)
• M12: 5,103,382 km (0.025 R)
• M13: 7,183,391 km (0.115 R)
• M14: 7,724,336 km (0.035 R)
• M15: 7,948,135 km (0.046 R)
• M16: 8,566,124 km (0.084 R)
• M17: 10,339,606 km (0.105 R)
• M18: 10,565,798 km (0.081 R)
• M19: 10,702,980 km (0.102 R)
• M20: 12,804,082 km (0.107 R)
• M21: 13,489,539 km (0.052 R)
• M22: 15,991,264 km (0.053 R)
• M23: 16,172,278 km (0.099 R)
• M24: 18,254,979 km (0.059 R)
• M25: 18,386,625 km (0.107 R)
• M26: 21,446,351 km (0.091 R)
• M27: 21,666,409 km (0.03 R)
• M28: 24,587,308 km (0.116 R)
• M29: 26,815,119 km (0.119 R)
• M30: 28,994,611 km (0.074 R)
• M31: 29,534,659 km (0.098 R)
• M32: 30,173,143 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.5

Radius: 4.5

Gravity: 49.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.38 AU - 8.54 AU

Year: 12454 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,923,494 km

• M1: 56,548 km (0.117 R)
• M2: 217,665 km (0.1 R)
• M3: 467,045 km (0.088 R)
• M4: 969,394 km (0.072 R)
• M5: 1,653,804 km (0.085 R)
• M6: 1,839,904 km (0.106 R)
• M7: 2,916,710 km (0.112 R)
• M8: 6,215,941 km (0.063 R)
• M9: 9,154,193 km (0.108 R)
• M10: 20,891,193 km (0.103 R)
• M11: 25,845,725 km (0.106 R)
• M12: 28,205,183 km (0.065 R)
• M13: 28,537,589 km (0.108 R)
• M14: 32,855,582 km (0.105 R)
• M15: 36,924,644 km (0.106 R)
• M16: 37,723,197 km (0.102 R)
• M17: 40,048,248 km (0.095 R)
• M18: 40,468,318 km (0.04 R)
• M19: 46,660,324 km (0.119 R)
• M20: 49,176,111 km (0.117 R)
• M21: 51,780,909 km (0.086 R)
• M22: 61,993,058 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.4

Radius: 7.7

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.19 AU - 11.39 AU

Year: 20776 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,923,494 km

• M1: 134,638 km (0.083 R)
• M2: 424,708 km (0.083 R)
• M3: 755,170 km (0.047 R)
• M4: 1,226,852 km (0.106 R)
• M5: 1,562,699 km (0.082 R)
• M6: 1,882,390 km (0.086 R)
• M7: 2,752,152 km (0.047 R)
• M8: 12,031,858 km (0.072 R)
• M9: 12,786,130 km (0.081 R)
• M10: 13,068,122 km (0.12 R)
• M11: 13,717,826 km (0.079 R)
• M12: 17,207,794 km (0.069 R)
• M13: 17,988,097 km (0.114 R)
• M14: 24,991,222 km (0.082 R)
• M15: 26,558,409 km (0.107 R)
• M16: 28,668,188 km (0.115 R)
• M17: 32,690,575 km (0.102 R)
• M18: 37,936,973 km (0.093 R)
• M19: 58,524,333 km (0.118 R)
• M20: 60,680,786 km (0.115 R)
• M21: 64,117,049 km (0.11 R)
• M22: 67,680,620 km (0.111 R)
• M23: 68,537,965 km (0.034 R)
• M24: 69,837,522 km (0.102 R)
• M25: 71,153,385 km (0.106 R)
• M26: 74,515,148 km (0.044 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: 222 - 12,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit