🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.8 AU - 0.88 AU

Year: 292 Days

Day: 17.2 Hours

Environment

Temp: 36 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.6 AU - 1.76 AU

Year: 825 Days

Day: 21.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.81 AU - 2.79 AU

Year: 1321 Days

Day: 30.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,858,971 km

• M1: 47,722 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.85 AU - 3.59 AU

Year: 2188 Days

Day: 27.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,858,971 km

• M1: 48,769 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.92 AU - 4.76 AU

Year: 2850 Days

Day: 12.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,858,971 km

• M1: 125,213 km (0.091 R)
• M2: 733,329 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 12.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.25 AU - 4.31 AU

Year: 3354 Days

Day: 5.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,858,971 km

• M1: 160,369 km (0.054 R)
• M2: 585,526 km (0.04 R)
• M3: 1,007,691 km (0.105 R)
• M4: 1,611,468 km (0.082 R)
• M5: 2,809,598 km (0.105 R)
• M6: 3,314,939 km (0.066 R)
• M7: 4,133,240 km (0.079 R)
• M8: 4,602,378 km (0.12 R)
• M9: 5,232,634 km (0.042 R)
• M10: 10,256,131 km (0.069 R)
• M11: 10,994,546 km (0.116 R)
• M12: 11,989,372 km (0.115 R)
• M13: 13,376,144 km (0.081 R)
• M14: 16,246,628 km (0.101 R)
• M15: 22,422,028 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 9.4

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.45 AU - 7.53 AU

Year: 6999 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,858,971 km

• M1: 127,757 km (0.084 R)
• M2: 462,856 km (0.089 R)
• M3: 778,507 km (0.094 R)
• M4: 1,118,992 km (0.097 R)
• M5: 2,056,073 km (0.11 R)
• M6: 2,603,452 km (0.081 R)
• M7: 3,285,020 km (0.085 R)
• M8: 3,635,976 km (0.057 R)
• M9: 4,413,736 km (0.092 R)
• M10: 8,975,274 km (0.077 R)
• M11: 10,520,470 km (0.113 R)
• M12: 13,134,394 km (0.106 R)
• M13: 13,916,192 km (0.106 R)
• M14: 17,604,378 km (0.027 R)
• M15: 21,044,232 km (0.087 R)
• M16: 25,223,547 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.4

Radius: 4.4

Gravity: 25.23 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 12.6 AU - 18.74 AU

Year: 23494 Days

Day: 24.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,858,971 km

• M1: 92,003 km (0.082 R)
• M2: 364,420 km (0.078 R)
• M3: 765,044 km (0.096 R)
• M4: 2,137,604 km (0.056 R)
• M5: 2,897,711 km (0.069 R)
• M6: 5,343,337 km (0.079 R)
• M7: 5,778,367 km (0.106 R)
• M8: 7,855,983 km (0.091 R)
• M9: 9,507,543 km (0.117 R)
• M10: 9,851,917 km (0.119 R)
• M11: 23,728,017 km (0.105 R)
• M12: 24,789,414 km (0.114 R)
• M13: 25,331,856 km (0.078 R)
• M14: 27,006,455 km (0.116 R)
• M15: 35,255,730 km (0.098 R)
• M16: 41,903,112 km (0.082 R)
• M17: 43,294,521 km (0.113 R)
• M18: 58,366,656 km (0.057 R)
• M19: 59,712,289 km (0.025 R)
• M20: 73,876,515 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.8

Radius: 3.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 15.79 AU - 20.35 AU

Year: 29093 Days

Day: 21.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,858,971 km

• M1: 52,359 km (0.102 R)
• M2: 235,317 km (0.032 R)
• M3: 405,560 km (0.104 R)
• M4: 669,750 km (0.08 R)
• M5: 1,038,808 km (0.058 R)
• M6: 3,770,166 km (0.063 R)
• M7: 3,990,224 km (0.116 R)
• M8: 6,475,344 km (0.089 R)
• M9: 6,684,631 km (0.102 R)
• M10: 7,490,814 km (0.096 R)
• M11: 7,917,318 km (0.058 R)
• M12: 9,119,187 km (0.113 R)
• M13: 20,268,716 km (0.104 R)
• M14: 23,135,460 km (0.087 R)
• M15: 23,460,686 km (0.074 R)
• M16: 24,792,107 km (0.083 R)
• M17: 25,997,567 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 16,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit