🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.48 AU - 0.56 AU

Year: 144 Days

Day: 43.6 Hours

Environment

Temp: 188 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.95 AU - 1.23 AU

Year: 438 Days

Day: 46.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.52 AU - 2.84 AU

Year: 1689 Days

Day: 31.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,152,967 km

• M1: 154,535 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.06 AU - 3.36 AU

Year: 1718 Days

Day: 41.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.1

Radius: 14.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.64 AU - 9.18 AU

Year: 7766 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 92,152,967 km

• M1: 186,698 km (0.111 R)
• M2: 697,724 km (0.081 R)
• M3: 1,254,977 km (0.084 R)
• M4: 1,820,157 km (0.106 R)
• M5: 2,301,713 km (0.033 R)
• M6: 3,166,239 km (0.086 R)
• M7: 3,924,401 km (0.095 R)
• M8: 5,574,465 km (0.114 R)
• M9: 6,111,971 km (0.101 R)
• M10: 7,410,031 km (0.087 R)
• M11: 8,145,604 km (0.065 R)
• M12: 8,974,675 km (0.101 R)
• M13: 9,907,418 km (0.098 R)
• M14: 11,268,160 km (0.091 R)
• M15: 13,929,507 km (0.073 R)
• M16: 15,439,248 km (0.101 R)
• M17: 18,194,243 km (0.082 R)
• M18: 19,156,157 km (0.047 R)
• M19: 20,543,827 km (0.117 R)
• M20: 21,750,633 km (0.078 R)
• M21: 28,405,793 km (0.115 R)
• M22: 28,998,500 km (0.096 R)
• M23: 29,700,413 km (0.118 R)
• M24: 31,452,504 km (0.062 R)
• M25: 32,838,079 km (0.119 R)
• M26: 38,188,148 km (0.073 R)
• M27: 38,910,406 km (0.038 R)
• M28: 40,631,380 km (0.109 R)
• M29: 41,637,276 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.4

Radius: 6.3

Gravity: 23.47 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 12.37 AU - 18.07 AU

Year: 22861 Days

Day: 19.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 92,152,967 km

• M1: 80,783 km (0.038 R)
• M2: 347,665 km (0.113 R)
• M3: 651,948 km (0.104 R)
• M4: 1,335,311 km (0.081 R)
• M5: 1,870,572 km (0.034 R)
• M6: 2,232,299 km (0.116 R)
• M7: 2,466,270 km (0.102 R)
• M8: 3,992,318 km (0.099 R)
• M9: 5,667,067 km (0.092 R)
• M10: 7,146,440 km (0.084 R)
• M11: 7,501,585 km (0.113 R)
• M12: 9,455,932 km (0.059 R)
• M13: 10,844,649 km (0.097 R)
• M14: 13,250,183 km (0.097 R)
• M15: 13,478,170 km (0.074 R)
• M16: 14,819,763 km (0.12 R)
• M17: 15,565,060 km (0.086 R)
• M18: 16,509,322 km (0.044 R)
• M19: 16,773,512 km (0.119 R)
• M20: 18,136,348 km (0.1 R)
• M21: 21,391,299 km (0.093 R)
• M22: 23,101,352 km (0.073 R)
• M23: 30,988,002 km (0.117 R)
• M24: 32,341,564 km (0.037 R)
• M25: 33,452,328 km (0.043 R)
• M26: 39,704,472 km (0.086 R)
• M27: 40,337,570 km (0.052 R)
• M28: 45,474,761 km (0.106 R)
• M29: 46,692,188 km (0.099 R)
• M30: 54,456,617 km (0.094 R)
• M31: 56,823,554 km (0.081 R)
• M32: 60,084,638 km (0.114 R)
• M33: 65,867,194 km (0.105 R)
• M34: 71,309,116 km (0.085 R)
• M35: 73,187,766 km (0.095 R)
• M36: 76,066,927 km (0.074 R)
• M37: 77,288,543 km (0.062 R)
• M38: 80,525,991 km (0.034 R)
• M39: 90,232,948 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 17,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit