🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.7 AU - 1 AU

Year: 300 Days

Day: 31 Hours

Environment

Temp: 25 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 110,466,560 km

• M1: 137,929 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 305 Days

Day: 43.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.08 AU - 1.08 AU

Year: 430 Days

Day: 30 Hours

Environment

Temp: -5 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 110,466,560 km

• M1: 34,408 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 8.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.25 AU - 12.27 AU

Year: 14467 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 110,466,560 km

• M1: 111,301 km (0.082 R)
• M2: 860,038 km (0.066 R)
• M3: 1,471,145 km (0.117 R)
• M4: 2,177,995 km (0.11 R)
• M5: 4,733,725 km (0.071 R)
• M6: 5,994,686 km (0.111 R)
• M7: 9,362,583 km (0.098 R)
• M8: 9,818,258 km (0.057 R)
• M9: 12,442,952 km (0.109 R)
• M10: 12,747,235 km (0.026 R)
• M11: 13,370,609 km (0.097 R)
• M12: 15,086,796 km (0.084 R)
• M13: 17,243,698 km (0.082 R)
• M14: 22,516,873 km (0.049 R)
• M15: 24,173,670 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.3

Radius: 7.4

Gravity: 17.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 18.08 AU - 18.48 AU

Year: 29925 Days

Day: 16.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 128.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 110,466,560 km

• M1: 92,302 km (0.035 R)
• M2: 323,431 km (0.102 R)
• M3: 578,944 km (0.096 R)
• M4: 935,884 km (0.101 R)
• M5: 1,173,745 km (0.115 R)
• M6: 1,816,567 km (0.116 R)
• M7: 2,099,905 km (0.108 R)
• M8: 2,647,134 km (0.053 R)
• M9: 3,317,034 km (0.06 R)
• M10: 3,608,001 km (0.086 R)
• M11: 4,743,599 km (0.119 R)
• M12: 5,327,928 km (0.069 R)
• M13: 5,637,596 km (0.114 R)
• M14: 7,980,897 km (0.079 R)
• M15: 11,624,802 km (0.117 R)
• M16: 12,998,110 km (0.093 R)
• M17: 14,733,296 km (0.032 R)
• M18: 17,959,374 km (0.111 R)
• M19: 18,355,659 km (0.118 R)
• M20: 25,641,075 km (0.073 R)
• M21: 25,891,502 km (0.115 R)
• M22: 36,826,059 km (0.086 R)
• M23: 37,305,221 km (0.037 R)
• M24: 42,327,670 km (0.101 R)
• M25: 45,364,657 km (0.115 R)
• M26: 45,731,171 km (0.08 R)
• M27: 52,470,556 km (0.086 R)
• M28: 66,214,860 km (0.078 R)
• M29: 72,773,979 km (0.096 R)
• M30: 76,598,598 km (0.083 R)
• M31: 89,446,512 km (0.063 R)
• M32: 91,475,059 km (0.047 R)
• M33: 94,425,877 km (0.119 R)
• M34: 96,528,774 km (0.05 R)
• M35: 99,278,084 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 14,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit