🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.7 AU - 0.9 AU

Year: 258 Days

Day: 13.9 Hours

Environment

Temp: 107 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 85,689,717 km

• M1: 77,641 km (0.067 R)
• M2: 274,512 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.81 AU - 1.11 AU

Year: 339 Days

Day: 39.7 Hours

Environment

Temp: 128 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,689,717 km

• M1: 26,329 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.92 AU - 1.14 AU

Year: 376 Days

Day: 33.3 Hours

Environment

Temp: 38 °C

Axial Tilt: 72.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.25 AU - 1.57 AU

Year: 603 Days

Day: 42.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,689,717 km

• M1: 135,835 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.58 AU - 1.72 AU

Year: 763 Days

Day: 28.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,689,717 km

• M1: 52,658 km (0.107 R)
• M2: 375,790 km (0.071 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.75 AU - 1.87 AU

Year: 876 Days

Day: 26.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,689,717 km

• M1: 343,028 km (0.031 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.78 AU - 3.3 AU

Year: 1908 Days

Day: 21.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 83.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,689,717 km

• M1: 42,336 km (0.115 R)
• M2: 504,294 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.6

Radius: 13.1

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.37 AU - 12.71 AU

Year: 12315 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,689,717 km

• M1: 163,660 km (0.093 R)
• M2: 632,649 km (0.091 R)
• M3: 2,439,193 km (0.118 R)
• M4: 3,141,406 km (0.073 R)
• M5: 3,760,142 km (0.096 R)
• M6: 4,226,439 km (0.09 R)
• M7: 6,765,564 km (0.088 R)
• M8: 10,033,529 km (0.102 R)
• M9: 10,827,894 km (0.076 R)
• M10: 11,663,548 km (0.114 R)
• M11: 12,601,975 km (0.069 R)
• M12: 13,717,078 km (0.067 R)
• M13: 14,298,864 km (0.119 R)
• M14: 15,373,724 km (0.105 R)
• M15: 16,357,779 km (0.118 R)
• M16: 29,470,033 km (0.056 R)
• M17: 33,244,836 km (0.085 R)
• M18: 36,095,872 km (0.076 R)
• M19: 36,709,821 km (0.088 R)
• M20: 38,593,259 km (0.114 R)
• M21: 40,145,935 km (0.116 R)
• M22: 41,874,389 km (0.033 R)

Asteroid Belt

Center: 12.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.9

Radius: 3

Gravity: 107.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 13.21 AU - 15.99 AU

Year: 20077 Days

Day: 23.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,689,717 km

• M1: 37,250 km (0.073 R)
• M2: 145,260 km (0.093 R)
• M3: 252,820 km (0.08 R)
• M4: 615,595 km (0.055 R)
• M5: 1,723,218 km (0.083 R)
• M6: 1,897,499 km (0.068 R)
• M7: 2,663,740 km (0.119 R)
• M8: 3,554,445 km (0.1 R)
• M9: 3,678,312 km (0.094 R)
• M10: 3,773,008 km (0.038 R)
• M11: 6,159,244 km (0.102 R)
• M12: 12,716,866 km (0.098 R)
• M13: 14,759,176 km (0.115 R)
• M14: 17,450,292 km (0.114 R)
• M15: 19,766,965 km (0.031 R)
• M16: 25,112,546 km (0.12 R)
• M17: 25,568,370 km (0.078 R)
• M18: 33,770,074 km (0.102 R)
• M19: 34,185,956 km (0.086 R)
• M20: 36,461,788 km (0.107 R)
• M21: 39,445,967 km (0.102 R)
• M22: 51,899,540 km (0.114 R)
• M23: 52,268,150 km (0.075 R)
• M24: 60,013,430 km (0.088 R)
• M25: 60,216,285 km (0.038 R)
• M26: 63,524,342 km (0.092 R)
• M27: 63,946,208 km (0.066 R)
• M28: 69,154,907 km (0.085 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 11,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit