🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.76 AU - 0.84 AU

Year: 255 Days

Day: 17.2 Hours

Environment

Temp: 175 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.21 AU - 1.49 AU

Year: 559 Days

Day: 32.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 73,304,716 km

• M1: 80,484 km (0.077 R)
• M2: 104,419 km (0.028 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.15 AU - 1.61 AU

Year: 578 Days

Day: 23.3 Hours

Environment

Temp: -9 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,304,716 km

• M1: 254,167 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.19 AU - 1.87 AU

Year: 675 Days

Day: 42.4 Hours

Environment

Temp: -18 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,304,716 km

• M1: 40,541 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.08 AU - 2.4 AU

Year: 1195 Days

Day: 46.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,304,716 km

• M1: 203,304 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.26 AU - 2.5 AU

Year: 1309 Days

Day: 26.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.21 AU - 4.13 AU

Year: 2506 Days

Day: 31.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257

Radius: 3

Gravity: 28.56 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 11.91 AU - 18.43 AU

Year: 21061 Days

Day: 19.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,304,716 km

• M1: 39,793 km (0.09 R)
• M2: 148,251 km (0.114 R)
• M3: 379,530 km (0.095 R)
• M4: 562,937 km (0.092 R)
• M5: 1,179,579 km (0.053 R)
• M6: 1,337,555 km (0.042 R)
• M7: 1,450,651 km (0.049 R)
• M8: 1,679,834 km (0.111 R)
• M9: 1,794,726 km (0.113 R)
• M10: 1,932,505 km (0.06 R)
• M11: 2,152,414 km (0.097 R)
• M12: 2,268,353 km (0.091 R)
• M13: 3,864,263 km (0.076 R)
• M14: 4,065,173 km (0.072 R)
• M15: 4,519,052 km (0.107 R)
• M16: 4,742,103 km (0.092 R)
• M17: 7,347,948 km (0.077 R)
• M18: 8,778,553 km (0.097 R)
• M19: 10,113,265 km (0.078 R)
• M20: 10,275,579 km (0.103 R)
• M21: 11,518,587 km (0.116 R)
• M22: 11,695,562 km (0.063 R)
• M23: 13,305,833 km (0.081 R)
• M24: 14,917,900 km (0.106 R)
• M25: 16,806,124 km (0.119 R)
• M26: 17,650,754 km (0.101 R)
• M27: 19,927,783 km (0.097 R)
• M28: 21,136,384 km (0.076 R)
• M29: 22,668,715 km (0.052 R)
• M30: 24,273,451 km (0.099 R)
• M31: 26,768,445 km (0.089 R)
• M32: 34,897,892 km (0.057 R)
• M33: 37,031,607 km (0.065 R)
• M34: 41,418,714 km (0.03 R)
• M35: 41,972,974 km (0.108 R)
• M36: 47,034,767 km (0.094 R)
• M37: 54,451,082 km (0.085 R)
• M38: 54,949,243 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.3

Radius: 6.6

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 15.26 AU - 18.16 AU

Year: 24348 Days

Day: 16 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,304,716 km

• M1: 103,073 km (0.095 R)
• M2: 927,357 km (0.106 R)
• M3: 1,132,755 km (0.104 R)
• M4: 2,242,472 km (0.069 R)
• M5: 3,498,346 km (0.115 R)
• M6: 7,396,867 km (0.114 R)
• M7: 12,803,932 km (0.085 R)
• M8: 13,429,401 km (0.073 R)
• M9: 13,713,936 km (0.113 R)
• M10: 20,752,815 km (0.116 R)
• M11: 24,769,368 km (0.116 R)
• M12: 28,919,512 km (0.089 R)
• M13: 31,345,092 km (0.057 R)
• M14: 37,151,883 km (0.083 R)
• M15: 46,818,449 km (0.074 R)
• M16: 47,308,681 km (0.099 R)
• M17: 62,465,638 km (0.062 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 18,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit