🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.6

Radius: 10.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.19 AU - 1.45 AU

Year: 1047 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,194,517 km

• M1: 128,205 km (0.11 R)
• M2: 521,349 km (0.112 R)
• M3: 1,651,710 km (0.106 R)
• M4: 3,036,388 km (0.082 R)
• M5: 3,564,319 km (0.106 R)
• M6: 5,634,305 km (0.113 R)
• M7: 6,251,994 km (0.103 R)
• M8: 6,807,750 km (0.113 R)
• M9: 7,645,498 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 8.5

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.48 AU - 5.68 AU

Year: 6766 Days

Day: 8.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,194,517 km

• M1: 105,766 km (0.109 R)
• M2: 387,010 km (0.113 R)
• M3: 676,033 km (0.074 R)
• M4: 1,004,998 km (0.048 R)
• M5: 2,342,553 km (0.113 R)
• M6: 2,740,783 km (0.11 R)
• M7: 3,541,879 km (0.047 R)
• M8: 4,425,703 km (0.071 R)
• M9: 6,287,449 km (0.118 R)
• M10: 6,824,356 km (0.107 R)
• M11: 7,178,903 km (0.101 R)
• M12: 12,935,129 km (0.1 R)
• M13: 13,710,196 km (0.064 R)
• M14: 15,302,665 km (0.041 R)
• M15: 16,747,332 km (0.047 R)
• M16: 20,025,470 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.9

Radius: 7.8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.02 AU - 10.68 AU

Year: 18173 Days

Day: 21.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 131 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,194,517 km

• M1: 122,371 km (0.104 R)
• M2: 542,143 km (0.113 R)
• M3: 844,031 km (0.105 R)
• M4: 1,185,713 km (0.09 R)
• M5: 1,555,967 km (0.095 R)
• M6: 4,577,246 km (0.116 R)
• M7: 15,751,758 km (0.059 R)
• M8: 16,236,455 km (0.099 R)
• M9: 18,541,908 km (0.088 R)
• M10: 20,124,055 km (0.063 R)
• M11: 24,671,382 km (0.077 R)
• M12: 25,407,852 km (0.104 R)
• M13: 32,707,630 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.9

Radius: 6.8

Gravity: 21.62 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.8 AU - 11.26 AU

Year: 20307 Days

Day: 21.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,194,517 km

• M1: 84,672 km (0.118 R)
• M2: 323,580 km (0.118 R)
• M3: 663,317 km (0.115 R)
• M4: 926,310 km (0.094 R)
• M5: 1,598,004 km (0.046 R)
• M6: 2,165,429 km (0.113 R)
• M7: 2,781,473 km (0.083 R)
• M8: 3,755,804 km (0.086 R)
• M9: 4,390,548 km (0.105 R)
• M10: 4,864,474 km (0.092 R)
• M11: 5,828,483 km (0.059 R)
• M12: 7,058,776 km (0.119 R)
• M13: 8,730,532 km (0.097 R)
• M14: 9,302,893 km (0.09 R)
• M15: 10,973,303 km (0.118 R)
• M16: 12,474,817 km (0.066 R)
• M17: 16,992,972 km (0.059 R)
• M18: 23,027,151 km (0.043 R)
• M19: 26,284,047 km (0.103 R)
• M20: 29,327,615 km (0.107 R)
• M21: 34,391,354 km (0.12 R)
• M22: 41,264,029 km (0.098 R)
• M23: 49,892,835 km (0.044 R)
• M24: 56,463,472 km (0.104 R)
• M25: 58,641,767 km (0.093 R)
• M26: 64,012,031 km (0.072 R)
• M27: 68,137,492 km (0.077 R)
• M28: 72,206,105 km (0.088 R)
• M29: 76,194,534 km (0.112 R)
• M30: 80,080,189 km (0.048 R)
• M31: 82,071,785 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 15,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit