🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.65 AU - 0.77 AU

Year: 215 Days

Day: 21.5 Hours

Environment

Temp: 177 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.17 AU - 1.19 AU

Year: 461 Days

Day: 20.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 45,910,959 km

• M1: 38,147 km (0.059 R)
• M2: 175,628 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.12 AU - 3.14 AU

Year: 1993 Days

Day: 46.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.2 AU - 4.82 AU

Year: 2890 Days

Day: 47.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,910,959 km

• M1: 28,723 km (0.104 R)
• M2: 50,115 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.15 AU - 4.95 AU

Year: 3493 Days

Day: 44.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 13

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.63 AU - 8.71 AU

Year: 6910 Days

Day: 10.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,910,959 km

• M1: 169,794 km (0.048 R)
• M2: 826,079 km (0.079 R)
• M3: 1,362,837 km (0.107 R)
• M4: 2,034,681 km (0.114 R)
• M5: 2,567,847 km (0.032 R)
• M6: 2,981,186 km (0.105 R)
• M7: 5,604,086 km (0.087 R)
• M8: 7,809,458 km (0.114 R)
• M9: 8,219,805 km (0.09 R)
• M10: 8,906,459 km (0.075 R)
• M11: 12,816,199 km (0.037 R)
• M12: 13,681,324 km (0.079 R)
• M13: 22,224,260 km (0.058 R)
• M14: 23,135,311 km (0.111 R)
• M15: 23,899,157 km (0.085 R)
• M16: 26,291,975 km (0.049 R)
• M17: 28,356,426 km (0.077 R)
• M18: 30,124,224 km (0.071 R)
• M19: 36,206,724 km (0.073 R)
• M20: 36,776,542 km (0.116 R)
• M21: 38,403,569 km (0.056 R)
• M22: 39,715,392 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.8

Radius: 13.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.25 AU - 9.32 AU

Year: 8575 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,910,959 km

• M1: 168,597 km (0.111 R)
• M2: 591,211 km (0.094 R)
• M3: 1,095,804 km (0.114 R)
• M4: 1,608,925 km (0.058 R)
• M5: 2,231,402 km (0.118 R)
• M6: 3,139,611 km (0.085 R)
• M7: 3,914,976 km (0.113 R)
• M8: 4,335,197 km (0.092 R)
• M9: 6,016,826 km (0.117 R)
• M10: 7,850,896 km (0.045 R)
• M11: 9,053,364 km (0.12 R)
• M12: 9,558,107 km (0.037 R)
• M13: 11,134,121 km (0.116 R)
• M14: 13,457,824 km (0.057 R)
• M15: 20,183,446 km (0.092 R)
• M16: 22,263,754 km (0.088 R)
• M17: 24,132,680 km (0.107 R)
• M18: 27,603,799 km (0.096 R)
• M19: 35,519,920 km (0.057 R)
• M20: 38,303,787 km (0.052 R)
• M21: 39,263,158 km (0.098 R)
• M22: 39,748,753 km (0.107 R)
• M23: 40,980,542 km (0.101 R)
• M24: 42,492,078 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 8

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.72 AU - 11.22 AU

Year: 10488 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,910,959 km

• M1: 100,231 km (0.081 R)
• M2: 371,152 km (0.03 R)
• M3: 621,280 km (0.049 R)
• M4: 1,105,079 km (0.09 R)
• M5: 2,131,770 km (0.092 R)
• M6: 2,496,040 km (0.085 R)
• M7: 3,053,442 km (0.116 R)
• M8: 3,818,635 km (0.116 R)
• M9: 5,489,195 km (0.079 R)
• M10: 8,058,837 km (0.097 R)
• M11: 9,604,183 km (0.078 R)
• M12: 10,294,577 km (0.115 R)
• M13: 12,972,978 km (0.075 R)
• M14: 14,504,112 km (0.065 R)
• M15: 22,858,255 km (0.075 R)
• M16: 25,266,183 km (0.079 R)
• M17: 25,636,737 km (0.1 R)
• M18: 31,532,090 km (0.073 R)
• M19: 37,067,211 km (0.089 R)
• M20: 38,515,169 km (0.094 R)
• M21: 41,011,658 km (0.041 R)
• M22: 45,227,176 km (0.097 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit