🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.54 AU - 0.62 AU

Year: 167 Days

Day: 22.9 Hours

Environment

Temp: 178 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 84,492,031 km

• M1: 67,020 km (0.037 R)
• M2: 410,945 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.95 AU - 3.15 AU

Year: 2017 Days

Day: 13.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 11

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.14 AU - 11.86 AU

Year: 13818 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,492,031 km

• M1: 136,882 km (0.1 R)
• M2: 544,536 km (0.103 R)
• M3: 1,233,434 km (0.115 R)
• M4: 1,920,537 km (0.085 R)
• M5: 4,136,830 km (0.068 R)
• M6: 4,944,958 km (0.031 R)
• M7: 5,635,801 km (0.066 R)
• M8: 6,998,488 km (0.093 R)
• M9: 7,512,955 km (0.036 R)
• M10: 7,869,746 km (0.096 R)
• M11: 8,331,853 km (0.119 R)
• M12: 11,553,593 km (0.106 R)
• M13: 14,270,590 km (0.058 R)
• M14: 15,311,192 km (0.088 R)
• M15: 18,899,746 km (0.119 R)
• M16: 21,285,084 km (0.107 R)
• M17: 24,249,216 km (0.109 R)
• M18: 25,930,846 km (0.078 R)
• M19: 29,857,491 km (0.103 R)
• M20: 37,426,096 km (0.07 R)
• M21: 38,602,235 km (0.061 R)
• M22: 39,266,150 km (0.064 R)
• M23: 48,143,886 km (0.101 R)
• M24: 55,702,618 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.4

Radius: 7.9

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 14.13 AU - 14.47 AU

Year: 20481 Days

Day: 19.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,492,031 km

• M1: 101,577 km (0.073 R)
• M2: 355,594 km (0.086 R)
• M3: 1,235,978 km (0.109 R)
• M4: 3,685,643 km (0.087 R)
• M5: 6,808,199 km (0.116 R)
• M6: 7,686,488 km (0.12 R)
• M7: 13,387,214 km (0.094 R)
• M8: 17,785,840 km (0.111 R)
• M9: 21,402,219 km (0.12 R)
• M10: 28,429,430 km (0.119 R)
• M11: 31,467,015 km (0.109 R)
• M12: 35,701,831 km (0.091 R)
• M13: 39,687,118 km (0.076 R)
• M14: 39,993,644 km (0.119 R)
• M15: 42,823,587 km (0.068 R)
• M16: 56,635,510 km (0.083 R)
• M17: 58,200,453 km (0.118 R)
• M18: 63,904,919 km (0.076 R)
• M19: 66,891,940 km (0.076 R)
• M20: 71,318,840 km (0.106 R)
• M21: 72,684,070 km (0.104 R)
• M22: 73,835,076 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 11,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit