🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.79 AU - 0.95 AU

Year: 291 Days

Day: 12 Hours

Environment

Temp: 114 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.12 AU - 1.76 AU

Year: 619 Days

Day: 16 Hours

Environment

Temp: -23 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.33 AU - 1.71 AU

Year: 671 Days

Day: 23.3 Hours

Environment

Temp: -37 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,677,541 km

• M1: 29,022 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.36 AU - 3.42 AU

Year: 1760 Days

Day: 42.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,677,541 km

• M1: 774,319 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.39 AU - 4.11 AU

Year: 2601 Days

Day: 16.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 14.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.17 AU - 9.09 AU

Year: 8303 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,677,541 km

• M1: 180,265 km (0.056 R)
• M2: 746,493 km (0.092 R)
• M3: 1,599,201 km (0.114 R)
• M4: 2,123,093 km (0.086 R)
• M5: 3,003,028 km (0.048 R)
• M6: 3,621,764 km (0.081 R)
• M7: 4,324,725 km (0.117 R)
• M8: 4,852,656 km (0.1 R)
• M9: 5,392,405 km (0.04 R)
• M10: 6,174,652 km (0.118 R)
• M11: 6,737,439 km (0.081 R)
• M12: 7,606,453 km (0.086 R)
• M13: 8,129,896 km (0.1 R)
• M14: 9,160,027 km (0.103 R)
• M15: 10,666,927 km (0.098 R)
• M16: 11,221,336 km (0.109 R)
• M17: 12,553,356 km (0.102 R)
• M18: 13,459,769 km (0.112 R)
• M19: 14,470,153 km (0.086 R)
• M20: 15,087,843 km (0.115 R)
• M21: 17,046,977 km (0.101 R)
• M22: 23,177,348 km (0.12 R)
• M23: 25,066,619 km (0.111 R)
• M24: 28,090,291 km (0.113 R)
• M25: 32,805,317 km (0.053 R)
• M26: 35,405,478 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 11.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.4 AU - 10.88 AU

Year: 10720 Days

Day: 12.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,677,541 km

• M1: 138,228 km (0.049 R)
• M2: 514,916 km (0.084 R)
• M3: 1,284,747 km (0.096 R)
• M4: 1,856,510 km (0.093 R)
• M5: 2,841,911 km (0.114 R)
• M6: 5,368,768 km (0.074 R)
• M7: 6,471,005 km (0.082 R)
• M8: 7,055,933 km (0.112 R)
• M9: 7,847,007 km (0.103 R)
• M10: 9,704,863 km (0.112 R)
• M11: 10,160,388 km (0.108 R)
• M12: 11,445,135 km (0.04 R)
• M13: 14,013,431 km (0.077 R)
• M14: 16,299,137 km (0.068 R)
• M15: 17,235,470 km (0.063 R)
• M16: 18,207,258 km (0.073 R)
• M17: 19,136,410 km (0.078 R)
• M18: 21,342,081 km (0.096 R)
• M19: 22,903,584 km (0.03 R)
• M20: 23,803,415 km (0.098 R)
• M21: 25,961,962 km (0.084 R)
• M22: 26,545,993 km (0.061 R)
• M23: 27,338,113 km (0.1 R)
• M24: 29,073,897 km (0.099 R)
• M25: 29,597,939 km (0.102 R)
• M26: 30,235,375 km (0.1 R)
• M27: 36,632,629 km (0.061 R)
• M28: 44,984,828 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.9

Radius: 3.6

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 14.12 AU - 22.8 AU

Year: 28407 Days

Day: 22.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,677,541 km

• M1: 49,666 km (0.104 R)
• M2: 255,214 km (0.102 R)
• M3: 617,540 km (0.099 R)
• M4: 1,539,512 km (0.098 R)
• M5: 4,788,628 km (0.101 R)
• M6: 4,920,723 km (0.102 R)
• M7: 6,908,579 km (0.107 R)
• M8: 7,162,746 km (0.089 R)
• M9: 9,019,405 km (0.091 R)
• M10: 9,221,063 km (0.119 R)
• M11: 12,618,281 km (0.116 R)
• M12: 13,516,168 km (0.093 R)
• M13: 18,977,687 km (0.112 R)
• M14: 21,288,375 km (0.105 R)
• M15: 26,356,003 km (0.103 R)
• M16: 28,784,874 km (0.117 R)
• M17: 33,839,188 km (0.057 R)
• M18: 44,194,951 km (0.049 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 15,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit