🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.75 AU - 0.81 AU

Year: 265 Days

Day: 22.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.73 AU - 0.89 AU

Year: 281 Days

Day: 30.1 Hours

Environment

Temp: 33 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.89 AU - 0.91 AU

Year: 329 Days

Day: 28.7 Hours

Environment

Temp: 31 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.95 AU - 1.15 AU

Year: 414 Days

Day: 39.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.11 AU - 1.19 AU

Year: 475 Days

Day: 38.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.84 AU - 2.36 AU

Year: 1172 Days

Day: 17.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 138.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 13.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.13 AU - 4.27 AU

Year: 3314 Days

Day: 14 Hours

Environment

Temp: -133 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,559,979 km

• M1: 167,550 km (0.085 R)
• M2: 686,355 km (0.05 R)
• M3: 1,153,250 km (0.076 R)
• M4: 1,579,903 km (0.106 R)
• M5: 2,011,044 km (0.095 R)
• M6: 3,790,062 km (0.117 R)
• M7: 4,832,610 km (0.081 R)
• M8: 6,480,729 km (0.028 R)
• M9: 8,102,071 km (0.041 R)
• M10: 8,863,973 km (0.112 R)
• M11: 9,336,403 km (0.117 R)
• M12: 10,652,116 km (0.1 R)
• M13: 11,956,161 km (0.116 R)
• M14: 12,669,743 km (0.106 R)
• M15: 13,411,449 km (0.1 R)
• M16: 17,113,099 km (0.11 R)
• M17: 17,562,491 km (0.102 R)
• M18: 21,642,174 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.1

Radius: 4.9

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 13.91 AU - 16.53 AU

Year: 22861 Days

Day: 24.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,559,979 km

• M1: 60,886 km (0.112 R)
• M2: 339,138 km (0.082 R)
• M3: 581,786 km (0.096 R)
• M4: 1,769,593 km (0.117 R)
• M5: 1,972,448 km (0.05 R)
• M6: 2,548,250 km (0.115 R)
• M7: 3,204,985 km (0.054 R)
• M8: 3,773,905 km (0.062 R)
• M9: 4,499,006 km (0.063 R)
• M10: 5,416,939 km (0.08 R)
• M11: 5,846,135 km (0.025 R)
• M12: 7,484,681 km (0.108 R)
• M13: 8,062,278 km (0.069 R)
• M14: 10,672,162 km (0.082 R)
• M15: 12,839,237 km (0.105 R)
• M16: 13,026,833 km (0.12 R)
• M17: 15,423,241 km (0.104 R)
• M18: 16,210,276 km (0.047 R)
• M19: 16,576,790 km (0.042 R)
• M20: 18,019,812 km (0.114 R)
• M21: 28,899,017 km (0.098 R)
• M22: 31,206,565 km (0.089 R)
• M23: 33,515,458 km (0.087 R)
• M24: 35,075,914 km (0.109 R)
• M25: 36,935,864 km (0.119 R)
• M26: 45,467,281 km (0.113 R)
• M27: 54,728,885 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.3

Radius: 7.7

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 12.16 AU - 19.64 AU

Year: 24410 Days

Day: 23.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,559,979 km

• M1: 95,743 km (0.107 R)
• M2: 413,489 km (0.071 R)
• M3: 797,955 km (0.106 R)
• M4: 1,254,827 km (0.075 R)
• M5: 1,760,318 km (0.087 R)
• M6: 2,039,318 km (0.054 R)
• M7: 2,465,822 km (0.108 R)
• M8: 2,790,748 km (0.096 R)
• M9: 3,115,974 km (0.117 R)
• M10: 4,981,759 km (0.059 R)
• M11: 5,586,732 km (0.095 R)
• M12: 14,901,743 km (0.08 R)
• M13: 15,394,369 km (0.1 R)
• M14: 17,564,436 km (0.042 R)
• M15: 21,655,937 km (0.066 R)
• M16: 27,182,382 km (0.112 R)
• M17: 29,428,145 km (0.089 R)
• M18: 32,201,091 km (0.111 R)
• M19: 36,902,803 km (0.117 R)
• M20: 38,107,963 km (0.083 R)
• M21: 54,098,180 km (0.11 R)
• M22: 60,285,100 km (0.092 R)
• M23: 64,085,484 km (0.067 R)
• M24: 71,230,577 km (0.031 R)
• M25: 83,685,647 km (0.089 R)
• M26: 89,478,675 km (0.079 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 19,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit