🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.69 AU - 0.91 AU

Year: 267 Days

Day: 39.3 Hours

Environment

Temp: 112 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,664,848 km

• M1: 40,840 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.78 AU - 0.98 AU

Year: 308 Days

Day: 39.9 Hours

Environment

Temp: 93 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,664,848 km

• M1: 228,735 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.53 AU - 2.45 AU

Year: 1046 Days

Day: 40.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 10.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.49 AU - 5.83 AU

Year: 4369 Days

Day: 14.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,664,848 km

• M1: 133,142 km (0.118 R)
• M2: 541,843 km (0.07 R)
• M3: 929,601 km (0.114 R)
• M4: 1,549,385 km (0.118 R)
• M5: 1,991,447 km (0.109 R)
• M6: 2,781,174 km (0.111 R)
• M7: 3,888,198 km (0.102 R)
• M8: 4,997,317 km (0.118 R)
• M9: 5,573,418 km (0.119 R)
• M10: 6,305,700 km (0.094 R)
• M11: 7,667,340 km (0.12 R)
• M12: 9,737,625 km (0.108 R)
• M13: 11,004,270 km (0.11 R)
• M14: 13,862,337 km (0.062 R)
• M15: 14,349,727 km (0.116 R)
• M16: 14,899,050 km (0.049 R)
• M17: 15,618,317 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355

Radius: 7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 17.93 AU - 20.55 AU

Year: 31460 Days

Day: 20.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,664,848 km

• M1: 87,066 km (0.108 R)
• M2: 371,302 km (0.05 R)
• M3: 1,271,881 km (0.103 R)
• M4: 1,842,148 km (0.105 R)
• M5: 2,643,544 km (0.053 R)
• M6: 3,361,464 km (0.11 R)
• M7: 4,269,822 km (0.037 R)
• M8: 6,381,546 km (0.116 R)
• M9: 9,507,842 km (0.098 R)
• M10: 18,192,747 km (0.089 R)
• M11: 18,830,632 km (0.084 R)
• M12: 22,556,217 km (0.05 R)
• M13: 43,004,301 km (0.108 R)
• M14: 47,989,950 km (0.092 R)
• M15: 54,090,551 km (0.117 R)
• M16: 55,978,626 km (0.12 R)
• M17: 59,288,479 km (0.07 R)
• M18: 59,686,259 km (0.074 R)
• M19: 62,932,832 km (0.116 R)
• M20: 66,509,119 km (0.118 R)
• M21: 69,996,694 km (0.039 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: 211 - 18,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit