🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.5 AU - 0.64 AU

Year: 282 Days

Day: 22.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.54 AU - 0.8 AU

Year: 360 Days

Day: 21.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 14.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.82 AU - 0.9 AU

Year: 523 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 11,171,130 km

• M1: 179,069 km (0.085 R)
• M2: 971,937 km (0.074 R)
• M3: 1,830,629 km (0.082 R)
• M4: 2,735,995 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.5

Radius: 9.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.86 AU - 0.9 AU

Year: 542 Days

Day: 10.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,171,130 km

• M1: 118,182 km (0.091 R)
• M2: 922,570 km (0.114 R)
• M3: 1,683,874 km (0.091 R)
• M4: 2,239,181 km (0.088 R)
• M5: 2,901,600 km (0.086 R)
• M6: 3,790,960 km (0.093 R)
• M7: 4,215,818 km (0.095 R)
• M8: 4,746,591 km (0.084 R)
• M9: 5,225,005 km (0.117 R)
• M10: 5,718,379 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 13.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.29 AU - 1.47 AU

Year: 1063 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 11,171,130 km

• M1: 165,455 km (0.071 R)
• M2: 579,093 km (0.063 R)
• M3: 1,058,854 km (0.097 R)
• M4: 1,541,157 km (0.106 R)
• M5: 2,026,602 km (0.119 R)
• M6: 2,507,111 km (0.07 R)
• M7: 3,416,516 km (0.12 R)
• M8: 3,908,095 km (0.094 R)
• M9: 5,073,313 km (0.069 R)
• M10: 5,737,228 km (0.051 R)
• M11: 6,481,178 km (0.095 R)
• M12: 7,116,969 km (0.071 R)
• M13: 8,108,653 km (0.03 R)
• M14: 10,523,911 km (0.098 R)
• M15: 10,974,201 km (0.101 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: 171 - 13,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit