🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 19.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.44 AU - 0.7 AU

Year: 282 Days

Day: 31.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 8.8

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.58 AU - 0.9 AU

Year: 418 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,141,354 km

• M1: 109,506 km (0.067 R)
• M2: 483,949 km (0.054 R)
• M3: 1,202,916 km (0.092 R)
• M4: 1,532,181 km (0.113 R)
• M5: 1,856,510 km (0.066 R)
• M6: 2,348,088 km (0.053 R)
• M7: 3,047,907 km (0.096 R)
• M8: 3,428,185 km (0.037 R)
• M9: 3,920,661 km (0.082 R)
• M10: 5,969,703 km (0.108 R)
• M11: 6,301,062 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 12.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.92 AU - 1.46 AU

Year: 852 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,141,354 km

• M1: 158,275 km (0.106 R)
• M2: 613,351 km (0.11 R)
• M3: 1,038,808 km (0.053 R)
• M4: 1,753,885 km (0.109 R)
• M5: 2,300,666 km (0.11 R)
• M6: 2,742,727 km (0.087 R)
• M7: 3,241,786 km (0.081 R)
• M8: 4,167,348 km (0.093 R)
• M9: 4,726,844 km (0.116 R)
• M10: 5,298,906 km (0.083 R)
• M11: 5,956,838 km (0.102 R)
• M12: 6,539,073 km (0.113 R)
• M13: 8,881,775 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.8

Radius: 11.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.62 AU - 4.56 AU

Year: 5426 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,141,354 km

• M1: 157,826 km (0.117 R)
• M2: 800,049 km (0.106 R)
• M3: 2,572,635 km (0.036 R)
• M4: 3,293,397 km (0.106 R)
• M5: 5,324,039 km (0.089 R)
• M6: 6,557,024 km (0.101 R)
• M7: 8,225,489 km (0.084 R)
• M8: 10,076,314 km (0.097 R)
• M9: 13,122,725 km (0.093 R)
• M10: 14,049,933 km (0.087 R)
• M11: 16,265,926 km (0.114 R)
• M12: 20,484,436 km (0.081 R)
• M13: 22,301,303 km (0.063 R)
• M14: 22,808,290 km (0.046 R)
• M15: 26,494,531 km (0.089 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: 402 - 15,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit