🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.46 AU - 0.62 AU

Year: 138 Days

Day: 19.7 Hours

Environment

Temp: 222 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,861,217 km

• M1: 166,502 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.7 AU - 1.06 AU

Year: 287 Days

Day: 41.1 Hours

Environment

Temp: 126 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.89 AU - 0.89 AU

Year: 292 Days

Day: 47.3 Hours

Environment

Temp: 140 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.37 AU - 1.39 AU

Year: 565 Days

Day: 33.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.94 AU - 4.88 AU

Year: 2693 Days

Day: 18.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 13.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.29 AU - 7.09 AU

Year: 5363 Days

Day: 8 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 103,861,217 km

• M1: 177,124 km (0.081 R)
• M2: 905,666 km (0.074 R)
• M3: 1,831,527 km (0.119 R)
• M4: 2,523,716 km (0.08 R)
• M5: 4,016,254 km (0.039 R)
• M6: 4,968,893 km (0.072 R)
• M7: 6,194,997 km (0.081 R)
• M8: 7,001,480 km (0.056 R)
• M9: 7,540,331 km (0.118 R)
• M10: 8,540,243 km (0.091 R)
• M11: 9,410,903 km (0.116 R)
• M12: 13,606,076 km (0.09 R)
• M13: 14,219,876 km (0.102 R)
• M14: 18,773,785 km (0.089 R)
• M15: 20,317,186 km (0.088 R)
• M16: 22,402,132 km (0.077 R)
• M17: 24,299,631 km (0.112 R)
• M18: 27,168,469 km (0.032 R)
• M19: 29,787,928 km (0.11 R)
• M20: 32,275,890 km (0.107 R)
• M21: 34,077,497 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 13.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.68 AU - 8.4 AU

Year: 7210 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,861,217 km

• M1: 164,109 km (0.069 R)
• M2: 659,278 km (0.114 R)
• M3: 1,655,151 km (0.12 R)
• M4: 2,521,622 km (0.088 R)
• M5: 2,989,713 km (0.096 R)
• M6: 3,496,850 km (0.072 R)
• M7: 4,593,103 km (0.117 R)
• M8: 5,770,289 km (0.07 R)
• M9: 6,271,292 km (0.057 R)
• M10: 7,202,389 km (0.043 R)
• M11: 8,086,662 km (0.116 R)
• M12: 10,717,341 km (0.065 R)
• M13: 13,972,292 km (0.08 R)
• M14: 17,604,528 km (0.117 R)
• M15: 21,034,508 km (0.064 R)
• M16: 21,956,928 km (0.096 R)
• M17: 23,182,584 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.9

Radius: 3.2

Gravity: 84.85 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 16.2 AU - 21.34 AU

Year: 28320 Days

Day: 16.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 109.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 103,861,217 km

• M1: 39,793 km (0.054 R)
• M2: 181,761 km (0.105 R)
• M3: 465,100 km (0.061 R)
• M4: 797,805 km (0.093 R)
• M5: 1,043,146 km (0.036 R)
• M6: 1,511,238 km (0.06 R)
• M7: 1,950,158 km (0.084 R)
• M8: 3,669,935 km (0.114 R)
• M9: 3,839,130 km (0.1 R)
• M10: 4,229,431 km (0.117 R)
• M11: 4,924,164 km (0.082 R)
• M12: 6,885,691 km (0.054 R)
• M13: 7,897,720 km (0.086 R)
• M14: 10,277,673 km (0.058 R)
• M15: 11,096,422 km (0.055 R)
• M16: 18,077,855 km (0.06 R)
• M17: 20,718,557 km (0.106 R)
• M18: 20,825,071 km (0.113 R)
• M19: 21,799,103 km (0.084 R)
• M20: 23,721,435 km (0.066 R)
• M21: 24,903,258 km (0.082 R)
• M22: 26,497,672 km (0.102 R)
• M23: 28,948,385 km (0.116 R)
• M24: 29,617,536 km (0.096 R)
• M25: 40,594,280 km (0.088 R)
• M26: 47,622,537 km (0.096 R)
• M27: 49,308,505 km (0.109 R)
• M28: 54,199,309 km (0.104 R)
• M29: 55,419,429 km (0.05 R)
• M30: 65,387,434 km (0.068 R)
• M31: 65,616,319 km (0.043 R)
• M32: 70,791,208 km (0.057 R)
• M33: 74,971,272 km (0.084 R)
• M34: 77,761,871 km (0.116 R)
• M35: 84,089,262 km (0.118 R)
• M36: 85,723,021 km (0.102 R)
• M37: 86,272,194 km (0.048 R)
• M38: 91,035,839 km (0.074 R)
• M39: 92,181,759 km (0.115 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 16,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit