🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.24 AU - 1.96 AU

Year: 842 Days

Day: 47.9 Hours

Environment

Temp: -90 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.1

Radius: 14.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.96 AU - 4.7 AU

Year: 3750 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,947,239 km

• M1: 176,974 km (0.107 R)
• M2: 643,271 km (0.094 R)
• M3: 1,102,536 km (0.092 R)
• M4: 1,781,411 km (0.108 R)
• M5: 2,746,916 km (0.091 R)
• M6: 3,273,650 km (0.072 R)
• M7: 3,973,619 km (0.116 R)
• M8: 4,463,402 km (0.084 R)
• M9: 5,043,842 km (0.058 R)
• M10: 6,416,851 km (0.119 R)
• M11: 6,968,119 km (0.054 R)
• M12: 7,651,183 km (0.107 R)
• M13: 8,271,715 km (0.083 R)
• M14: 8,925,907 km (0.099 R)
• M15: 10,968,366 km (0.077 R)
• M16: 12,728,684 km (0.077 R)
• M17: 13,257,662 km (0.069 R)
• M18: 13,952,096 km (0.087 R)
• M19: 18,517,823 km (0.095 R)
• M20: 19,830,395 km (0.074 R)
• M21: 21,608,066 km (0.059 R)
• M22: 22,991,846 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.1

Radius: 11.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.03 AU - 4.75 AU

Year: 3829 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,947,239 km

• M1: 141,819 km (0.111 R)
• M2: 808,876 km (0.065 R)
• M3: 1,314,965 km (0.119 R)
• M4: 2,239,331 km (0.112 R)
• M5: 3,553,997 km (0.042 R)
• M6: 4,843,231 km (0.114 R)
• M7: 5,327,629 km (0.103 R)
• M8: 6,281,166 km (0.106 R)
• M9: 6,710,661 km (0.101 R)
• M10: 7,282,873 km (0.104 R)
• M11: 8,733,524 km (0.12 R)
• M12: 11,051,692 km (0.114 R)
• M13: 11,937,012 km (0.115 R)
• M14: 12,419,316 km (0.066 R)
• M15: 13,611,013 km (0.115 R)
• M16: 14,283,605 km (0.047 R)
• M17: 15,385,094 km (0.119 R)
• M18: 15,904,049 km (0.109 R)
• M19: 19,267,458 km (0.092 R)
• M20: 20,300,431 km (0.102 R)
• M21: 20,925,152 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 12.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.55 AU - 7.25 AU

Year: 5965 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,947,239 km

• M1: 158,275 km (0.076 R)
• M2: 573,708 km (0.103 R)
• M3: 1,021,454 km (0.116 R)
• M4: 1,454,540 km (0.117 R)
• M5: 1,916,498 km (0.102 R)
• M6: 2,350,033 km (0.076 R)
• M7: 3,221,740 km (0.033 R)
• M8: 3,732,916 km (0.117 R)
• M9: 4,765,141 km (0.088 R)
• M10: 6,250,947 km (0.049 R)
• M11: 7,917,318 km (0.061 R)
• M12: 8,660,819 km (0.098 R)
• M13: 9,168,704 km (0.105 R)
• M14: 10,460,332 km (0.061 R)
• M15: 12,108,751 km (0.063 R)
• M16: 16,088,503 km (0.073 R)
• M17: 19,311,739 km (0.107 R)
• M18: 19,776,240 km (0.056 R)
• M19: 24,762,936 km (0.09 R)
• M20: 25,469,636 km (0.104 R)
• M21: 26,189,950 km (0.108 R)
• M22: 26,841,448 km (0.048 R)
• M23: 28,092,087 km (0.07 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 19,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit