🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.55 AU - 0.61 AU

Year: 285 Days

Day: 37.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.47 AU - 0.71 AU

Year: 293 Days

Day: 38.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.69 AU

Year: 346 Days

Day: 35.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,856,893 km

• M1: 471,383 km (0.066 R)
• M2: 538,253 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.7

Radius: 11.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.03 AU - 1.19 AU

Year: 755 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,856,893 km

• M1: 139,276 km (0.085 R)
• M2: 495,319 km (0.112 R)
• M3: 934,388 km (0.099 R)
• M4: 1,302,399 km (0.091 R)
• M5: 1,721,572 km (0.079 R)
• M6: 2,259,526 km (0.082 R)
• M7: 2,685,880 km (0.046 R)
• M8: 3,238,943 km (0.077 R)
• M9: 3,993,066 km (0.071 R)
• M10: 4,511,872 km (0.051 R)
• M11: 4,959,020 km (0.103 R)
• M12: 5,330,920 km (0.047 R)
• M13: 6,055,123 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 14.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.39 AU - 4.95 AU

Year: 5498 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,856,893 km

• M1: 184,155 km (0.119 R)
• M2: 706,551 km (0.074 R)
• M3: 1,177,485 km (0.091 R)
• M4: 1,709,156 km (0.115 R)
• M5: 2,256,684 km (0.072 R)
• M6: 2,789,701 km (0.065 R)
• M7: 3,407,241 km (0.034 R)
• M8: 4,702,759 km (0.101 R)
• M9: 5,201,368 km (0.083 R)
• M10: 7,161,250 km (0.084 R)
• M11: 8,328,263 km (0.075 R)
• M12: 9,750,041 km (0.105 R)
• M13: 11,574,387 km (0.076 R)
• M14: 12,179,062 km (0.106 R)
• M15: 13,839,299 km (0.104 R)
• M16: 14,636,805 km (0.116 R)
• M17: 17,344,078 km (0.075 R)
• M18: 18,747,456 km (0.071 R)
• M19: 19,231,704 km (0.033 R)
• M20: 20,369,994 km (0.098 R)
• M21: 20,955,819 km (0.101 R)
• M22: 22,084,386 km (0.081 R)
• M23: 25,208,588 km (0.092 R)
• M24: 27,537,078 km (0.111 R)
• M25: 29,074,795 km (0.096 R)
• M26: 29,817,848 km (0.077 R)
• M27: 30,383,477 km (0.093 R)
• M28: 34,442,516 km (0.058 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit