🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.55 AU - 0.89 AU

Year: 216 Days

Day: 30.3 Hours

Environment

Temp: 204 °C

Axial Tilt: 101.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 71,472,045 km

• M1: 52,509 km (0.058 R)
• M2: 163,959 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.65 AU - 0.85 AU

Year: 229 Days

Day: 36.4 Hours

Environment

Temp: 209 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.79 AU - 0.81 AU

Year: 253 Days

Day: 47.4 Hours

Environment

Temp: 180 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.24 AU - 1.48 AU

Year: 560 Days

Day: 17.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 45.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,472,045 km

• M1: 274,811 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.28 AU - 1.86 AU

Year: 695 Days

Day: 32.4 Hours

Environment

Temp: -18 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,472,045 km

• M1: 473,178 km (0.03 R)

Asteroid Belt

Center: 4.63 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 13.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.55 AU - 7.83 AU

Year: 7530 Days

Day: 10.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 90.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,472,045 km

• M1: 172,935 km (0.041 R)
• M2: 670,647 km (0.032 R)
• M3: 1,189,303 km (0.116 R)
• M4: 1,647,073 km (0.06 R)
• M5: 2,416,903 km (0.1 R)
• M6: 3,416,367 km (0.095 R)
• M7: 4,534,611 km (0.112 R)
• M8: 5,556,065 km (0.028 R)
• M9: 6,762,273 km (0.112 R)
• M10: 8,648,253 km (0.046 R)
• M11: 9,272,525 km (0.088 R)
• M12: 10,762,370 km (0.114 R)
• M13: 11,223,431 km (0.071 R)
• M14: 11,751,362 km (0.075 R)
• M15: 13,376,443 km (0.069 R)
• M16: 15,726,925 km (0.063 R)
• M17: 18,053,022 km (0.111 R)
• M18: 19,599,415 km (0.088 R)
• M19: 20,288,613 km (0.071 R)
• M20: 24,066,707 km (0.12 R)
• M21: 25,574,504 km (0.108 R)
• M22: 26,213,287 km (0.111 R)
• M23: 26,862,691 km (0.077 R)
• M24: 30,781,856 km (0.118 R)
• M25: 31,923,138 km (0.098 R)
• M26: 34,955,338 km (0.114 R)
• M27: 37,119,121 km (0.111 R)
• M28: 40,839,022 km (0.108 R)
• M29: 41,461,499 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979

Radius: 9.5

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.98 AU - 10.54 AU

Year: 9950 Days

Day: 10.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,472,045 km

• M1: 118,182 km (0.07 R)
• M2: 492,327 km (0.07 R)
• M3: 1,029,533 km (0.049 R)
• M4: 1,361,041 km (0.084 R)
• M5: 2,154,957 km (0.095 R)
• M6: 2,995,099 km (0.063 R)
• M7: 5,043,692 km (0.12 R)
• M8: 5,657,193 km (0.061 R)
• M9: 8,432,832 km (0.12 R)
• M10: 17,150,349 km (0.101 R)
• M11: 21,787,883 km (0.12 R)
• M12: 28,547,313 km (0.115 R)
• M13: 31,041,708 km (0.027 R)
• M14: 34,628,766 km (0.11 R)
• M15: 38,870,314 km (0.107 R)
• M16: 44,007,056 km (0.073 R)
• M17: 47,326,184 km (0.053 R)
• M18: 47,771,088 km (0.112 R)
• M19: 49,884,158 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 14.3

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 10.83 AU - 14.41 AU

Year: 15830 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,472,045 km

• M1: 177,872 km (0.119 R)
• M2: 774,319 km (0.107 R)
• M3: 1,726,210 km (0.055 R)
• M4: 3,105,502 km (0.071 R)
• M5: 4,949,146 km (0.068 R)
• M6: 8,261,094 km (0.115 R)
• M7: 8,930,095 km (0.103 R)
• M8: 9,579,500 km (0.074 R)
• M9: 10,376,856 km (0.117 R)
• M10: 10,912,566 km (0.12 R)
• M11: 13,173,588 km (0.042 R)
• M12: 22,397,793 km (0.117 R)
• M13: 24,527,169 km (0.067 R)
• M14: 27,912,569 km (0.1 R)
• M15: 31,722,079 km (0.101 R)
• M16: 35,062,300 km (0.053 R)
• M17: 39,057,311 km (0.091 R)
• M18: 43,499,470 km (0.103 R)
• M19: 49,763,432 km (0.098 R)
• M20: 59,582,887 km (0.106 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 11,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit