🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.54 AU - 0.76 AU

Year: 221 Days

Day: 31.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,141,534 km

• M1: 26,628 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.75 AU - 1.19 AU

Year: 403 Days

Day: 16.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.95 AU - 1.07 AU

Year: 428 Days

Day: 34.3 Hours

Environment

Temp: -37 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.9 AU - 1.48 AU

Year: 547 Days

Day: 14.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,141,534 km

• M1: 31,416 km (0.077 R)
• M2: 100,979 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.28 AU - 1.36 AU

Year: 640 Days

Day: 28.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 13.3

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.49 AU - 4.81 AU

Year: 3566 Days

Day: 9.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,141,534 km

• M1: 165,455 km (0.11 R)
• M2: 581,188 km (0.119 R)
• M3: 2,227,662 km (0.092 R)
• M4: 2,711,162 km (0.047 R)
• M5: 3,956,415 km (0.106 R)
• M6: 4,743,898 km (0.083 R)
• M7: 5,447,008 km (0.103 R)
• M8: 7,188,926 km (0.077 R)
• M9: 9,975,485 km (0.111 R)
• M10: 11,304,064 km (0.065 R)
• M11: 12,607,061 km (0.088 R)
• M12: 13,858,298 km (0.095 R)
• M13: 14,772,042 km (0.11 R)
• M14: 17,696,531 km (0.083 R)
• M15: 19,263,718 km (0.115 R)
• M16: 21,383,968 km (0.116 R)
• M17: 22,397,494 km (0.105 R)
• M18: 23,301,514 km (0.09 R)
• M19: 24,374,579 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.1

Radius: 3.2

Gravity: 61.34 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 10 AU - 12.14 AU

Year: 15534 Days

Day: 23.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,141,534 km

• M1: 42,187 km (0.026 R)
• M2: 397,781 km (0.092 R)
• M3: 569,669 km (0.092 R)
• M4: 1,026,840 km (0.056 R)
• M5: 1,439,580 km (0.1 R)
• M6: 2,344,647 km (0.115 R)
• M7: 2,856,123 km (0.1 R)
• M8: 5,503,257 km (0.119 R)
• M9: 5,842,395 km (0.026 R)
• M10: 7,160,951 km (0.098 R)
• M11: 7,383,403 km (0.029 R)
• M12: 8,715,722 km (0.058 R)
• M13: 10,368,329 km (0.116 R)
• M14: 14,559,164 km (0.084 R)
• M15: 20,904,058 km (0.057 R)
• M16: 24,824,570 km (0.032 R)
• M17: 29,095,290 km (0.115 R)
• M18: 30,350,117 km (0.113 R)
• M19: 31,879,157 km (0.061 R)
• M20: 34,079,741 km (0.078 R)
• M21: 34,330,467 km (0.05 R)
• M22: 46,000,448 km (0.074 R)
• M23: 49,282,176 km (0.09 R)
• M24: 53,051,743 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.1

Radius: 3.9

Gravity: 43.93 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 11.77 AU - 14.67 AU

Year: 20272 Days

Day: 18.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,141,534 km

• M1: 50,414 km (0.084 R)
• M2: 211,831 km (0.104 R)
• M3: 538,104 km (0.092 R)
• M4: 858,692 km (0.08 R)
• M5: 986,448 km (0.105 R)
• M6: 2,359,607 km (0.066 R)
• M7: 3,658,266 km (0.092 R)
• M8: 5,065,982 km (0.078 R)
• M9: 6,982,481 km (0.06 R)
• M10: 22,628,473 km (0.09 R)
• M11: 23,554,783 km (0.098 R)
• M12: 32,150,228 km (0.115 R)
• M13: 33,583,525 km (0.102 R)
• M14: 44,507,910 km (0.091 R)
• M15: 46,286,030 km (0.099 R)
• M16: 55,705,460 km (0.114 R)
• M17: 61,254,494 km (0.117 R)
• M18: 61,452,113 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 14,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit