🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.66 AU

Year: 149 Days

Day: 27.3 Hours

Environment

Temp: 223 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.56 AU - 0.56 AU

Year: 153 Days

Day: 34.3 Hours

Environment

Temp: 225 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.91 AU - 1.11 AU

Year: 371 Days

Day: 23 Hours

Environment

Temp: 23 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.03 AU - 1.71 AU

Year: 586 Days

Day: 47.1 Hours

Environment

Temp: -13 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 115,340,334 km

• M1: 23,337 km (0.044 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.37 AU - 1.67 AU

Year: 684 Days

Day: 15.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,340,334 km

• M1: 32,463 km (0.074 R)
• M2: 1,048,980 km (0.109 R)

Asteroid Belt

Center: 2.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.66 AU - 3.74 AU

Year: 2091 Days

Day: 42.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,340,334 km

• M1: 27,077 km (0.081 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.51 AU - 3.91 AU

Year: 2101 Days

Day: 34.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,340,334 km

• M1: 556,953 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.2

Radius: 7.5

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 13.18 AU - 14.08 AU

Year: 18380 Days

Day: 18.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 115,340,334 km

• M1: 93,349 km (0.09 R)
• M2: 416,032 km (0.104 R)
• M3: 657,632 km (0.106 R)
• M4: 1,249,441 km (0.118 R)
• M5: 2,745,719 km (0.099 R)
• M6: 3,357,575 km (0.07 R)
• M7: 3,843,618 km (0.102 R)
• M8: 4,408,500 km (0.073 R)
• M9: 5,509,241 km (0.071 R)
• M10: 6,021,613 km (0.105 R)
• M11: 6,394,561 km (0.114 R)
• M12: 8,142,163 km (0.086 R)
• M13: 8,806,976 km (0.04 R)
• M14: 11,018,631 km (0.116 R)
• M15: 11,577,230 km (0.107 R)
• M16: 15,639,410 km (0.046 R)
• M17: 20,193,020 km (0.073 R)
• M18: 21,984,903 km (0.086 R)
• M19: 22,770,142 km (0.118 R)
• M20: 36,216,149 km (0.108 R)
• M21: 39,278,866 km (0.069 R)
• M22: 51,525,995 km (0.067 R)
• M23: 51,869,621 km (0.113 R)
• M24: 53,610,791 km (0.094 R)
• M25: 57,577,976 km (0.084 R)
• M26: 64,285,646 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.8

Radius: 5.5

Gravity: 32.29 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 19.09 AU - 19.75 AU

Year: 31258 Days

Day: 15.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 115,340,334 km

• M1: 146,905 km (0.091 R)
• M2: 339,587 km (0.086 R)
• M3: 751,879 km (0.111 R)
• M4: 963,111 km (0.069 R)
• M5: 1,346,680 km (0.113 R)
• M6: 1,583,493 km (0.075 R)
• M7: 2,094,370 km (0.095 R)
• M8: 2,518,331 km (0.077 R)
• M9: 3,339,024 km (0.1 R)
• M10: 3,603,065 km (0.094 R)
• M11: 3,881,167 km (0.072 R)
• M12: 4,720,112 km (0.114 R)
• M13: 5,813,074 km (0.111 R)
• M14: 8,792,914 km (0.117 R)
• M15: 9,754,380 km (0.057 R)
• M16: 11,960,051 km (0.086 R)
• M17: 19,456,699 km (0.081 R)
• M18: 19,988,370 km (0.056 R)
• M19: 20,529,615 km (0.052 R)
• M20: 23,622,701 km (0.052 R)
• M21: 24,227,674 km (0.1 R)
• M22: 25,468,439 km (0.082 R)
• M23: 27,941,591 km (0.106 R)
• M24: 28,754,805 km (0.113 R)
• M25: 30,856,356 km (0.088 R)
• M26: 33,058,137 km (0.053 R)
• M27: 35,049,285 km (0.056 R)
• M28: 38,432,291 km (0.086 R)
• M29: 44,360,556 km (0.057 R)
• M30: 44,727,071 km (0.119 R)
• M31: 47,540,857 km (0.056 R)
• M32: 54,142,162 km (0.12 R)
• M33: 56,471,401 km (0.054 R)
• M34: 62,470,126 km (0.086 R)
• M35: 67,419,123 km (0.062 R)
• M36: 70,112,932 km (0.09 R)
• M37: 72,369,466 km (0.12 R)
• M38: 75,192,827 km (0.085 R)
• M39: 77,027,196 km (0.094 R)
• M40: 78,891,036 km (0.108 R)
• M41: 79,429,139 km (0.09 R)
• M42: 85,509,993 km (0.099 R)
• M43: 106,253,084 km (0.098 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: 454 - 18,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit