🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.99 AU - 1.25 AU

Year: 444 Days

Day: 17.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 46.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.09 AU - 3.27 AU

Year: 1644 Days

Day: 22.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.75 AU - 2.91 AU

Year: 1784 Days

Day: 40.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 13.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.6 AU - 6.04 AU

Year: 5262 Days

Day: 13.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,666,537 km

• M1: 167,998 km (0.113 R)
• M2: 588,219 km (0.115 R)
• M3: 1,025,643 km (0.093 R)
• M4: 1,449,903 km (0.099 R)
• M5: 1,980,526 km (0.084 R)
• M6: 3,552,201 km (0.116 R)
• M7: 4,228,833 km (0.114 R)
• M8: 4,771,424 km (0.05 R)
• M9: 5,448,205 km (0.05 R)
• M10: 6,252,892 km (0.086 R)
• M11: 7,170,974 km (0.083 R)
• M12: 9,190,695 km (0.109 R)
• M13: 9,793,873 km (0.114 R)
• M14: 10,795,282 km (0.101 R)
• M15: 11,565,561 km (0.064 R)
• M16: 12,166,944 km (0.07 R)
• M17: 13,652,002 km (0.05 R)
• M18: 14,154,203 km (0.043 R)
• M19: 19,106,640 km (0.085 R)
• M20: 20,306,116 km (0.11 R)
• M21: 21,331,160 km (0.058 R)
• M22: 22,467,356 km (0.084 R)
• M23: 23,803,415 km (0.114 R)
• M24: 24,613,637 km (0.058 R)
• M25: 27,067,790 km (0.049 R)
• M26: 27,506,860 km (0.084 R)
• M27: 30,619,692 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.7

Radius: 7.1

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 10.07 AU - 14.43 AU

Year: 16067 Days

Day: 16.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,666,537 km

• M1: 94,995 km (0.102 R)
• M2: 636,689 km (0.037 R)
• M3: 1,038,209 km (0.084 R)
• M4: 1,519,615 km (0.1 R)
• M5: 2,121,298 km (0.1 R)
• M6: 3,071,394 km (0.104 R)
• M7: 6,055,722 km (0.104 R)
• M8: 7,404,795 km (0.108 R)
• M9: 8,224,143 km (0.118 R)
• M10: 8,943,110 km (0.09 R)
• M11: 9,372,307 km (0.088 R)
• M12: 10,446,868 km (0.095 R)
• M13: 10,802,761 km (0.092 R)
• M14: 11,227,919 km (0.117 R)
• M15: 13,109,860 km (0.117 R)
• M16: 13,946,710 km (0.108 R)
• M17: 14,818,567 km (0.094 R)
• M18: 16,912,638 km (0.097 R)
• M19: 20,549,811 km (0.079 R)
• M20: 22,945,321 km (0.113 R)
• M21: 23,244,816 km (0.09 R)
• M22: 24,781,186 km (0.062 R)
• M23: 28,055,136 km (0.1 R)
• M24: 36,519,982 km (0.116 R)
• M25: 41,180,554 km (0.076 R)
• M26: 44,035,928 km (0.106 R)
• M27: 45,747,926 km (0.059 R)
• M28: 51,319,699 km (0.066 R)
• M29: 51,832,072 km (0.063 R)
• M30: 57,510,807 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 19,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit