🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.88 AU - 1.44 AU

Year: 549 Days

Day: 45.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,054,966 km

• M1: 338,091 km (0.107 R)
• M2: 832,363 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.92 AU - 1.46 AU

Year: 571 Days

Day: 32.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.25 AU - 2.27 AU

Year: 1494 Days

Day: 39.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,054,966 km

• M1: 181,013 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 8.6

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.04 AU - 4.62 AU

Year: 3296 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,054,966 km

• M1: 107,262 km (0.092 R)
• M2: 384,167 km (0.062 R)
• M3: 666,309 km (0.12 R)
• M4: 948,151 km (0.118 R)
• M5: 1,368,073 km (0.039 R)
• M6: 2,019,870 km (0.102 R)
• M7: 3,234,156 km (0.091 R)
• M8: 5,160,827 km (0.067 R)
• M9: 9,234,527 km (0.109 R)
• M10: 10,939,494 km (0.088 R)
• M11: 11,551,798 km (0.029 R)
• M12: 12,666,901 km (0.05 R)
• M13: 14,231,245 km (0.099 R)
• M14: 14,520,119 km (0.109 R)
• M15: 16,127,698 km (0.026 R)
• M16: 17,850,467 km (0.077 R)
• M17: 18,814,027 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.5

Radius: 11.2

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.64 AU - 7.34 AU

Year: 8126 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,054,966 km

• M1: 140,173 km (0.09 R)
• M2: 685,757 km (0.065 R)
• M3: 1,695,393 km (0.103 R)
• M4: 2,131,770 km (0.112 R)
• M5: 3,396,171 km (0.093 R)
• M6: 3,965,391 km (0.119 R)
• M7: 5,137,640 km (0.074 R)
• M8: 8,154,580 km (0.082 R)
• M9: 9,270,580 km (0.103 R)
• M10: 12,588,511 km (0.111 R)
• M11: 13,229,239 km (0.112 R)
• M12: 14,076,112 km (0.037 R)
• M13: 15,282,769 km (0.118 R)
• M14: 16,351,346 km (0.106 R)
• M15: 16,834,248 km (0.089 R)
• M16: 19,316,376 km (0.103 R)
• M17: 21,209,089 km (0.111 R)
• M18: 22,792,881 km (0.098 R)
• M19: 25,914,390 km (0.1 R)
• M20: 26,382,482 km (0.112 R)
• M21: 28,016,240 km (0.085 R)
• M22: 29,008,224 km (0.087 R)
• M23: 33,763,791 km (0.118 R)
• M24: 36,384,147 km (0.115 R)
• M25: 37,684,152 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 16,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit