🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.67 AU - 0.79 AU

Year: 218 Days

Day: 37.8 Hours

Environment

Temp: 219 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.96 AU - 1.48 AU

Year: 471 Days

Day: 24.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.24 AU - 1.52 AU

Year: 567 Days

Day: 12.3 Hours

Environment

Temp: 11 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 10.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.56 AU - 7 AU

Year: 5506 Days

Day: 10.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,762,737 km

• M1: 132,843 km (0.037 R)
• M2: 570,566 km (0.073 R)
• M3: 1,050,626 km (0.115 R)
• M4: 1,390,961 km (0.092 R)
• M5: 1,793,379 km (0.086 R)
• M6: 2,153,312 km (0.093 R)
• M7: 3,135,571 km (0.078 R)
• M8: 4,062,629 km (0.117 R)
• M9: 4,417,625 km (0.111 R)
• M10: 6,708,268 km (0.095 R)
• M11: 10,247,753 km (0.104 R)
• M12: 12,712,528 km (0.105 R)
• M13: 13,269,630 km (0.086 R)
• M14: 14,706,518 km (0.12 R)
• M15: 15,207,820 km (0.087 R)
• M16: 15,835,832 km (0.065 R)
• M17: 16,244,534 km (0.073 R)
• M18: 18,911,116 km (0.084 R)
• M19: 25,095,492 km (0.072 R)
• M20: 27,118,653 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 10.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.39 AU - 9.39 AU

Year: 7753 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,762,737 km

• M1: 131,796 km (0.036 R)
• M2: 578,345 km (0.075 R)
• M3: 1,236,426 km (0.065 R)
• M4: 1,831,676 km (0.112 R)
• M5: 2,219,284 km (0.086 R)
• M6: 2,609,735 km (0.038 R)
• M7: 3,007,964 km (0.11 R)
• M8: 5,914,202 km (0.051 R)
• M9: 6,638,854 km (0.081 R)
• M10: 7,281,228 km (0.118 R)
• M11: 10,674,107 km (0.067 R)
• M12: 12,186,991 km (0.103 R)
• M13: 13,784,397 km (0.062 R)
• M14: 15,113,574 km (0.04 R)
• M15: 16,709,185 km (0.09 R)
• M16: 17,140,475 km (0.061 R)
• M17: 19,545,261 km (0.077 R)
• M18: 20,371,191 km (0.112 R)
• M19: 22,166,664 km (0.09 R)
• M20: 23,523,068 km (0.051 R)
• M21: 27,837,621 km (0.108 R)
• M22: 28,183,341 km (0.073 R)
• M23: 29,148,547 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 8.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.55 AU - 10.65 AU

Year: 8823 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,762,737 km

• M1: 130,898 km (0.087 R)
• M2: 810,372 km (0.049 R)
• M3: 1,127,370 km (0.112 R)
• M4: 1,489,546 km (0.096 R)
• M5: 3,827,462 km (0.042 R)
• M6: 4,149,845 km (0.092 R)
• M7: 5,501,312 km (0.094 R)
• M8: 7,499,042 km (0.107 R)
• M9: 8,045,523 km (0.079 R)
• M10: 14,576,817 km (0.107 R)
• M11: 18,318,708 km (0.115 R)
• M12: 20,335,437 km (0.064 R)
• M13: 21,629,608 km (0.115 R)
• M14: 24,550,058 km (0.036 R)
• M15: 27,631,624 km (0.109 R)
• M16: 29,888,009 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.6

Radius: 7.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 14.51 AU - 19.91 AU

Year: 24977 Days

Day: 20 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,762,737 km

• M1: 94,097 km (0.078 R)
• M2: 489,484 km (0.045 R)
• M3: 914,492 km (0.108 R)
• M4: 2,284,359 km (0.086 R)
• M5: 3,274,099 km (0.069 R)
• M6: 3,617,725 km (0.066 R)
• M7: 4,734,025 km (0.091 R)
• M8: 5,956,239 km (0.037 R)
• M9: 6,357,012 km (0.073 R)
• M10: 12,028,866 km (0.091 R)
• M11: 13,892,107 km (0.113 R)
• M12: 14,209,554 km (0.096 R)
• M13: 14,467,161 km (0.118 R)
• M14: 17,071,511 km (0.066 R)
• M15: 17,731,237 km (0.111 R)
• M16: 22,483,363 km (0.115 R)
• M17: 24,916,273 km (0.048 R)
• M18: 29,248,029 km (0.053 R)
• M19: 39,366,380 km (0.064 R)
• M20: 39,620,098 km (0.112 R)
• M21: 44,512,098 km (0.112 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 15,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit