🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.58 AU - 0.76 AU

Year: 204 Days

Day: 36.8 Hours

Environment

Temp: 203 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.64 AU - 0.92 AU

Year: 257 Days

Day: 40.7 Hours

Environment

Temp: 123 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.72 AU - 1.12 AU

Year: 329 Days

Day: 32.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 1.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 88,726,687 km

• M1: 128,505 km (0.114 R)
• M2: 841,638 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.9 AU - 0.96 AU

Year: 334 Days

Day: 25.6 Hours

Environment

Temp: 44 °C

Axial Tilt: 4.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.85 AU - 1.39 AU

Year: 442 Days

Day: 27.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.24 AU - 2.04 AU

Year: 783 Days

Day: 30.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,726,687 km

• M1: 61,036 km (0.074 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4 AU - 4.64 AU

Year: 3347 Days

Day: 19.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,726,687 km

• M1: 2,639,056 km (0.098 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.35 AU - 4.55 AU

Year: 3499 Days

Day: 30.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.62 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 4.4

Gravity: 32.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.34 AU - 17.22 AU

Year: 21182 Days

Day: 21.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 160.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,726,687 km

• M1: 54,753 km (0.119 R)
• M2: 543,190 km (0.098 R)
• M3: 853,905 km (0.055 R)
• M4: 1,094,608 km (0.104 R)
• M5: 1,457,981 km (0.119 R)
• M6: 2,158,398 km (0.094 R)
• M7: 2,330,585 km (0.108 R)
• M8: 2,512,047 km (0.056 R)
• M9: 2,752,002 km (0.119 R)
• M10: 3,535,147 km (0.118 R)
• M11: 3,836,737 km (0.101 R)
• M12: 4,456,820 km (0.079 R)
• M13: 5,103,531 km (0.061 R)
• M14: 8,012,612 km (0.114 R)
• M15: 8,909,750 km (0.077 R)
• M16: 9,241,708 km (0.11 R)
• M17: 10,227,258 km (0.106 R)
• M18: 10,652,864 km (0.072 R)
• M19: 11,026,859 km (0.077 R)
• M20: 12,000,143 km (0.028 R)
• M21: 12,541,986 km (0.08 R)
• M22: 15,817,132 km (0.105 R)
• M23: 16,800,290 km (0.09 R)
• M24: 17,136,885 km (0.11 R)
• M25: 23,673,564 km (0.105 R)
• M26: 23,884,347 km (0.101 R)
• M27: 25,066,769 km (0.059 R)
• M28: 34,051,019 km (0.082 R)
• M29: 34,454,783 km (0.109 R)
• M30: 35,684,777 km (0.117 R)
• M31: 42,742,954 km (0.101 R)
• M32: 48,269,099 km (0.081 R)
• M33: 53,887,846 km (0.109 R)
• M34: 62,503,786 km (0.099 R)
• M35: 65,360,506 km (0.08 R)
• M36: 66,610,995 km (0.057 R)
• M37: 72,880,492 km (0.026 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.7

Radius: 7.8

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 18.56 AU - 19.36 AU

Year: 30776 Days

Day: 18.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,726,687 km

• M1: 108,010 km (0.099 R)
• M2: 356,193 km (0.072 R)
• M3: 883,076 km (0.05 R)
• M4: 1,841,550 km (0.069 R)
• M5: 2,170,366 km (0.055 R)
• M6: 2,661,496 km (0.037 R)
• M7: 3,800,085 km (0.117 R)
• M8: 6,900,651 km (0.085 R)
• M9: 12,344,667 km (0.054 R)
• M10: 17,122,823 km (0.095 R)
• M11: 19,821,119 km (0.045 R)
• M12: 21,424,958 km (0.084 R)
• M13: 27,597,815 km (0.113 R)
• M14: 36,011,947 km (0.066 R)
• M15: 36,597,473 km (0.114 R)
• M16: 70,243,231 km (0.111 R)
• M17: 81,488,354 km (0.025 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 10,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit