🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.65 AU - 0.83 AU

Year: 226 Days

Day: 23.1 Hours

Environment

Temp: 132 °C

Axial Tilt: 48 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.13 AU - 1.31 AU

Year: 478 Days

Day: 19.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 70,598,135 km

• M1: 336,296 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.18 AU - 1.78 AU

Year: 639 Days

Day: 28.1 Hours

Environment

Temp: -8 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,598,135 km

• M1: 25,880 km (0.045 R)

Asteroid Belt

Center: 1.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.92 AU - 2.36 AU

Year: 1111 Days

Day: 32.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.54 AU - 3.56 AU

Year: 1890 Days

Day: 36.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,598,135 km

• M1: 41,588 km (0.106 R)

Asteroid Belt

Center: 6.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 11.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.56 AU - 10.8 AU

Year: 10684 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,598,135 km

• M1: 147,952 km (0.065 R)
• M2: 866,620 km (0.117 R)
• M3: 1,802,505 km (0.118 R)
• M4: 2,835,029 km (0.076 R)
• M5: 3,234,306 km (0.076 R)
• M6: 4,497,361 km (0.054 R)
• M7: 5,443,268 km (0.117 R)
• M8: 7,489,767 km (0.083 R)
• M9: 10,441,183 km (0.027 R)
• M10: 10,889,379 km (0.084 R)
• M11: 16,705,594 km (0.103 R)
• M12: 24,227,974 km (0.077 R)
• M13: 41,261,786 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.3

Radius: 12.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.4 AU - 14.36 AU

Year: 15453 Days

Day: 14.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,598,135 km

• M1: 153,039 km (0.118 R)
• M2: 536,608 km (0.111 R)
• M3: 1,048,382 km (0.051 R)
• M4: 1,454,540 km (0.115 R)
• M5: 2,306,500 km (0.047 R)
• M6: 4,919,376 km (0.109 R)
• M7: 6,470,108 km (0.075 R)
• M8: 7,484,980 km (0.104 R)
• M9: 9,325,632 km (0.057 R)
• M10: 10,673,509 km (0.117 R)
• M11: 13,624,626 km (0.05 R)
• M12: 14,674,055 km (0.086 R)
• M13: 15,565,658 km (0.102 R)
• M14: 16,347,906 km (0.119 R)
• M15: 18,379,445 km (0.111 R)
• M16: 20,405,898 km (0.115 R)
• M17: 20,999,053 km (0.087 R)
• M18: 23,858,317 km (0.047 R)
• M19: 24,516,697 km (0.117 R)
• M20: 25,673,687 km (0.116 R)
• M21: 26,365,129 km (0.105 R)
• M22: 27,068,987 km (0.091 R)
• M23: 27,476,791 km (0.082 R)
• M24: 30,337,850 km (0.086 R)
• M25: 34,097,244 km (0.09 R)
• M26: 38,798,657 km (0.107 R)
• M27: 48,709,067 km (0.038 R)
• M28: 52,091,923 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.1

Radius: 5.6

Gravity: 20.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 12.97 AU - 15.01 AU

Year: 18564 Days

Day: 24.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,598,135 km

• M1: 633,846 km (0.066 R)
• M2: 820,694 km (0.113 R)
• M3: 2,110,377 km (0.078 R)
• M4: 3,332,891 km (0.102 R)
• M5: 5,955,491 km (0.094 R)
• M6: 7,533,300 km (0.105 R)
• M7: 8,832,857 km (0.082 R)
• M8: 10,159,191 km (0.088 R)
• M9: 10,333,772 km (0.093 R)
• M10: 11,052,440 km (0.101 R)
• M11: 12,790,319 km (0.102 R)
• M12: 14,117,252 km (0.086 R)
• M13: 16,797,298 km (0.114 R)
• M14: 19,798,381 km (0.07 R)
• M15: 21,377,087 km (0.087 R)
• M16: 21,760,506 km (0.116 R)
• M17: 24,468,826 km (0.102 R)
• M18: 25,099,830 km (0.11 R)
• M19: 29,468,237 km (0.116 R)
• M20: 31,152,261 km (0.073 R)
• M21: 31,398,050 km (0.056 R)
• M22: 34,448,350 km (0.073 R)
• M23: 36,998,845 km (0.062 R)
• M24: 50,802,390 km (0.094 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 12,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit