🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.54 AU - 0.66 AU

Year: 173 Days

Day: 19.5 Hours

Environment

Temp: 168 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.62 AU - 0.94 AU

Year: 257 Days

Day: 21.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.9 AU - 1.34 AU

Year: 442 Days

Day: 31.3 Hours

Environment

Temp: -1 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.03 AU - 1.29 AU

Year: 466 Days

Day: 39.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 49,366,205 km

• M1: 37,250 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.58 AU - 2.06 AU

Year: 915 Days

Day: 20 Hours

Environment

Temp: -73 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,366,205 km

• M1: 271,670 km (0.052 R)
• M2: 332,706 km (0.086 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.59 AU - 3.03 AU

Year: 1756 Days

Day: 44 Hours

Environment

Temp: -93 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,366,205 km

• M1: 1,485,656 km (0.091 R)

Asteroid Belt

Center: 3.93 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 15

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.11 AU - 5.97 AU

Year: 4218 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,366,205 km

• M1: 191,784 km (0.036 R)
• M2: 733,927 km (0.083 R)
• M3: 1,275,322 km (0.114 R)
• M4: 2,252,196 km (0.059 R)
• M5: 3,751,615 km (0.115 R)
• M6: 4,871,655 km (0.087 R)
• M7: 5,411,703 km (0.107 R)
• M8: 6,775,288 km (0.104 R)
• M9: 7,555,590 km (0.114 R)
• M10: 9,624,678 km (0.107 R)
• M11: 11,107,941 km (0.052 R)
• M12: 17,260,752 km (0.115 R)
• M13: 19,310,093 km (0.073 R)
• M14: 21,804,488 km (0.088 R)
• M15: 22,904,780 km (0.104 R)
• M16: 26,101,238 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352

Radius: 11.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.86 AU - 9.08 AU

Year: 7611 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,366,205 km

• M1: 138,079 km (0.084 R)
• M2: 737,817 km (0.117 R)
• M3: 2,815,731 km (0.032 R)
• M4: 6,452,455 km (0.049 R)
• M5: 12,534,506 km (0.114 R)
• M6: 19,915,815 km (0.092 R)
• M7: 23,679,697 km (0.066 R)
• M8: 27,373,119 km (0.094 R)
• M9: 27,980,337 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 12.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.96 AU - 10.72 AU

Year: 9798 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,366,205 km

• M1: 160,668 km (0.026 R)
• M2: 734,376 km (0.117 R)
• M3: 1,404,126 km (0.07 R)
• M4: 1,872,217 km (0.099 R)
• M5: 2,328,940 km (0.111 R)
• M6: 2,816,778 km (0.12 R)
• M7: 5,002,852 km (0.082 R)
• M8: 6,624,792 km (0.037 R)
• M9: 11,629,439 km (0.075 R)
• M10: 12,656,129 km (0.054 R)
• M11: 13,699,425 km (0.097 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 9.4

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.41 AU - 10.21 AU

Year: 10590 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,366,205 km

• M1: 117,734 km (0.115 R)
• M2: 413,788 km (0.08 R)
• M3: 789,278 km (0.09 R)
• M4: 1,293,423 km (0.108 R)
• M5: 1,745,807 km (0.039 R)
• M6: 2,104,244 km (0.102 R)
• M7: 3,015,893 km (0.111 R)
• M8: 4,427,648 km (0.115 R)
• M9: 5,361,737 km (0.096 R)
• M10: 6,199,485 km (0.095 R)
• M11: 9,479,718 km (0.086 R)
• M12: 13,270,827 km (0.071 R)
• M13: 15,808,306 km (0.115 R)
• M14: 24,676,468 km (0.106 R)
• M15: 25,904,218 km (0.118 R)
• M16: 32,324,510 km (0.073 R)
• M17: 34,254,322 km (0.034 R)
• M18: 41,810,959 km (0.068 R)
• M19: 42,609,214 km (0.117 R)
• M20: 45,344,012 km (0.05 R)
• M21: 46,612,004 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 19,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit