🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.55 AU - 0.79 AU

Year: 191 Days

Day: 24.1 Hours

Environment

Temp: 172 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,472,149 km

• M1: 280,197 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.78 AU

Year: 195 Days

Day: 45.6 Hours

Environment

Temp: 174 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,472,149 km

• M1: 84,822 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.73 AU - 1.03 AU

Year: 287 Days

Day: 29.5 Hours

Environment

Temp: 154 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.11 AU - 1.17 AU

Year: 424 Days

Day: 42 Hours

Environment

Temp: 35 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,472,149 km

• M1: 444,306 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.04 AU - 1.32 AU

Year: 446 Days

Day: 14.5 Hours

Environment

Temp: 42 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,472,149 km

• M1: 498,759 km (0.072 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.25 AU - 2.35 AU

Year: 1215 Days

Day: 15.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.42 AU - 4.84 AU

Year: 2923 Days

Day: 21.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 14

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.69 AU - 9.23 AU

Year: 9340 Days

Day: 6.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,472,149 km

• M1: 220,507 km (0.069 R)
• M2: 852,558 km (0.094 R)
• M3: 1,317,658 km (0.102 R)
• M4: 2,122,943 km (0.045 R)
• M5: 2,618,860 km (0.067 R)
• M6: 3,284,272 km (0.078 R)
• M7: 5,018,709 km (0.099 R)
• M8: 7,464,186 km (0.049 R)
• M9: 8,717,517 km (0.033 R)
• M10: 9,857,303 km (0.095 R)
• M11: 10,360,700 km (0.095 R)
• M12: 11,419,105 km (0.059 R)
• M13: 13,140,378 km (0.099 R)
• M14: 13,751,036 km (0.117 R)
• M15: 15,293,839 km (0.098 R)
• M16: 19,890,383 km (0.102 R)
• M17: 28,246,621 km (0.113 R)
• M18: 32,466,777 km (0.082 R)
• M19: 38,434,386 km (0.118 R)
• M20: 39,432,503 km (0.115 R)
• M21: 42,134,539 km (0.119 R)
• M22: 43,195,637 km (0.098 R)
• M23: 45,233,160 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 13.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 11.2 AU - 12.78 AU

Year: 14458 Days

Day: 14 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,472,149 km

• M1: 205,847 km (0.11 R)
• M2: 2,869,437 km (0.107 R)
• M3: 3,990,822 km (0.113 R)
• M4: 5,700,876 km (0.076 R)
• M5: 11,908,589 km (0.105 R)
• M6: 16,675,974 km (0.114 R)
• M7: 18,041,503 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.1

Radius: 3.2

Gravity: 55.19 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 15.17 AU - 20.07 AU

Year: 25757 Days

Day: 15 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,472,149 km

• M1: 39,793 km (0.094 R)
• M2: 140,323 km (0.109 R)
• M3: 281,543 km (0.105 R)
• M4: 476,918 km (0.034 R)
• M5: 890,706 km (0.086 R)
• M6: 1,221,616 km (0.105 R)
• M7: 2,035,728 km (0.073 R)
• M8: 4,456,820 km (0.057 R)
• M9: 6,846,795 km (0.107 R)
• M10: 7,682,449 km (0.072 R)
• M11: 8,749,979 km (0.069 R)
• M12: 12,968,939 km (0.087 R)
• M13: 15,924,245 km (0.033 R)
• M14: 17,468,693 km (0.116 R)
• M15: 18,736,984 km (0.098 R)
• M16: 19,110,230 km (0.112 R)
• M17: 26,122,331 km (0.073 R)
• M18: 26,238,270 km (0.029 R)
• M19: 27,296,974 km (0.118 R)
• M20: 32,885,352 km (0.063 R)
• M21: 42,624,024 km (0.111 R)
• M22: 44,579,118 km (0.096 R)
• M23: 65,572,038 km (0.12 R)
• M24: 73,117,904 km (0.11 R)
• M25: 76,860,843 km (0.096 R)
• M26: 79,021,335 km (0.103 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 10,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit