🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.48 AU - 0.68 AU

Year: 156 Days

Day: 40.5 Hours

Environment

Temp: 193 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.76 AU - 1.04 AU

Year: 301 Days

Day: 29 Hours

Environment

Temp: 185 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.96 AU - 1.08 AU

Year: 364 Days

Day: 35.3 Hours

Environment

Temp: 150 °C

Axial Tilt: 42.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.84 AU - 1.92 AU

Year: 910 Days

Day: 47.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.11 AU - 2.35 AU

Year: 1176 Days

Day: 25.9 Hours

Environment

Temp: -60 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.93 AU - 4.01 AU

Year: 2282 Days

Day: 18.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.8

Radius: 7.3

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 16.21 AU - 20.13 AU

Year: 27348 Days

Day: 22.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 114,213,581 km

• M1: 91,554 km (0.118 R)
• M2: 681,418 km (0.092 R)
• M3: 1,051,823 km (0.109 R)
• M4: 1,894,358 km (0.093 R)
• M5: 2,708,021 km (0.09 R)
• M6: 4,389,052 km (0.084 R)
• M7: 4,634,841 km (0.059 R)
• M8: 6,265,458 km (0.082 R)
• M9: 6,577,818 km (0.052 R)
• M10: 7,042,170 km (0.066 R)
• M11: 7,478,547 km (0.11 R)
• M12: 8,245,685 km (0.094 R)
• M13: 8,566,872 km (0.112 R)
• M14: 10,925,731 km (0.115 R)
• M15: 14,061,003 km (0.098 R)
• M16: 17,749,339 km (0.096 R)
• M17: 20,053,894 km (0.108 R)
• M18: 20,440,305 km (0.111 R)
• M19: 25,024,283 km (0.071 R)
• M20: 27,673,063 km (0.084 R)
• M21: 29,249,974 km (0.076 R)
• M22: 31,661,043 km (0.104 R)
• M23: 32,053,588 km (0.032 R)
• M24: 34,201,514 km (0.109 R)
• M25: 34,892,058 km (0.1 R)
• M26: 36,300,821 km (0.109 R)
• M27: 38,931,499 km (0.068 R)
• M28: 49,663,800 km (0.101 R)
• M29: 51,264,797 km (0.028 R)
• M30: 52,350,877 km (0.037 R)
• M31: 59,390,504 km (0.055 R)
• M32: 81,761,669 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.5

Radius: 3.6

Gravity: 72.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 19.04 AU - 20.84 AU

Year: 31440 Days

Day: 24 Hours

Environment

Temp: -199 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 114,213,581 km

• M1: 94,845 km (0.099 R)
• M2: 227,688 km (0.102 R)
• M3: 1,507,647 km (0.086 R)
• M4: 2,242,322 km (0.069 R)
• M5: 3,066,158 km (0.119 R)
• M6: 3,579,279 km (0.115 R)
• M7: 4,336,992 km (0.106 R)
• M8: 5,195,833 km (0.045 R)
• M9: 7,134,622 km (0.098 R)
• M10: 8,443,005 km (0.11 R)
• M11: 8,809,071 km (0.098 R)
• M12: 11,747,472 km (0.057 R)
• M13: 15,821,620 km (0.03 R)
• M14: 18,936,248 km (0.035 R)
• M15: 20,966,291 km (0.106 R)
• M16: 24,582,072 km (0.061 R)
• M17: 30,113,902 km (0.086 R)
• M18: 43,732,245 km (0.113 R)
• M19: 46,308,769 km (0.096 R)
• M20: 46,496,514 km (0.099 R)
• M21: 48,984,476 km (0.096 R)
• M22: 52,778,129 km (0.112 R)
• M23: 58,499,200 km (0.062 R)
• M24: 60,494,387 km (0.043 R)
• M25: 64,854,267 km (0.082 R)
• M26: 65,561,267 km (0.075 R)
• M27: 66,035,492 km (0.085 R)
• M28: 74,193,064 km (0.082 R)
• M29: 79,988,934 km (0.03 R)
• M30: 82,720,143 km (0.113 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 18,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit