🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.71 AU - 0.8 AU

Year: 292 Days

Day: 26.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.64 AU - 0.92 AU

Year: 310 Days

Day: 21.2 Hours

Environment

Temp: -39 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.32 AU - 1.46 AU

Year: 737 Days

Day: 22.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 167.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.37 AU - 2.23 AU

Year: 1086 Days

Day: 25.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,645,520 km

• M1: 156,629 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.84 AU - 2.36 AU

Year: 1368 Days

Day: 39.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 8.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.3 AU - 3.68 AU

Year: 2324 Days

Day: 12.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,645,520 km

• M1: 109,506 km (0.089 R)
• M2: 442,511 km (0.035 R)
• M3: 890,257 km (0.057 R)
• M4: 1,475,783 km (0.057 R)
• M5: 2,487,065 km (0.118 R)
• M6: 3,197,804 km (0.066 R)
• M7: 5,175,937 km (0.071 R)
• M8: 5,551,128 km (0.079 R)
• M9: 6,096,562 km (0.053 R)
• M10: 6,435,401 km (0.05 R)
• M11: 6,786,807 km (0.109 R)
• M12: 7,323,265 km (0.029 R)
• M13: 8,937,126 km (0.096 R)
• M14: 10,625,638 km (0.11 R)
• M15: 12,937,224 km (0.12 R)
• M16: 13,762,256 km (0.058 R)
• M17: 14,760,822 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.6

Radius: 6.2

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 10.2 AU - 14.84 AU

Year: 19917 Days

Day: 23.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,645,520 km

• M1: 99,183 km (0.105 R)
• M2: 512,971 km (0.065 R)
• M3: 852,558 km (0.057 R)
• M4: 1,525,150 km (0.076 R)
• M5: 1,768,696 km (0.116 R)
• M6: 2,192,955 km (0.104 R)
• M7: 2,504,568 km (0.046 R)
• M8: 3,114,777 km (0.065 R)
• M9: 4,303,183 km (0.113 R)
• M10: 6,039,715 km (0.066 R)
• M11: 6,996,992 km (0.051 R)
• M12: 7,262,528 km (0.114 R)
• M13: 9,208,347 km (0.08 R)
• M14: 9,909,213 km (0.063 R)
• M15: 10,414,705 km (0.085 R)
• M16: 12,034,700 km (0.096 R)
• M17: 13,338,146 km (0.108 R)
• M18: 14,023,903 km (0.109 R)
• M19: 15,615,026 km (0.037 R)
• M20: 18,979,781 km (0.119 R)
• M21: 19,410,025 km (0.082 R)
• M22: 22,605,884 km (0.091 R)
• M23: 24,177,110 km (0.071 R)
• M24: 29,554,705 km (0.102 R)
• M25: 39,172,950 km (0.059 R)
• M26: 48,573,830 km (0.082 R)
• M27: 52,348,932 km (0.077 R)
• M28: 54,221,748 km (0.087 R)
• M29: 57,920,107 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 20,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit