🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.13 AU - 1.39 AU

Year: 514 Days

Day: 47.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.19 AU - 2.39 AU

Year: 1259 Days

Day: 23.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.53 AU - 5.37 AU

Year: 3412 Days

Day: 36 Hours

Environment

Temp: -120 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,790,953 km

• M1: 344,524 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 13.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.05 AU - 6.09 AU

Year: 4149 Days

Day: 7.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,790,953 km

• M1: 166,652 km (0.1 R)
• M2: 724,054 km (0.113 R)
• M3: 1,209,349 km (0.117 R)
• M4: 1,672,953 km (0.102 R)
• M5: 2,209,112 km (0.114 R)
• M6: 3,685,792 km (0.083 R)
• M7: 4,848,617 km (0.093 R)
• M8: 5,359,643 km (0.095 R)
• M9: 6,145,481 km (0.092 R)
• M10: 7,356,774 km (0.077 R)
• M11: 8,358,033 km (0.093 R)
• M12: 9,032,719 km (0.11 R)
• M13: 9,545,990 km (0.109 R)
• M14: 11,276,687 km (0.043 R)
• M15: 12,294,103 km (0.036 R)
• M16: 13,046,131 km (0.076 R)
• M17: 13,536,663 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 14.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.7 AU - 10.74 AU

Year: 9358 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,790,953 km

• M1: 184,005 km (0.093 R)
• M2: 886,966 km (0.111 R)
• M3: 1,502,411 km (0.098 R)
• M4: 2,846,847 km (0.066 R)
• M5: 3,537,690 km (0.078 R)
• M6: 4,067,865 km (0.113 R)
• M7: 4,827,822 km (0.115 R)
• M8: 5,515,823 km (0.095 R)
• M9: 6,934,460 km (0.107 R)
• M10: 9,454,885 km (0.106 R)
• M11: 10,034,128 km (0.119 R)
• M12: 10,895,512 km (0.069 R)
• M13: 13,474,579 km (0.055 R)
• M14: 14,523,410 km (0.095 R)
• M15: 16,506,479 km (0.072 R)
• M16: 18,292,229 km (0.102 R)
• M17: 19,270,300 km (0.089 R)
• M18: 19,889,187 km (0.068 R)
• M19: 21,743,153 km (0.042 R)
• M20: 25,514,066 km (0.076 R)
• M21: 29,394,934 km (0.058 R)
• M22: 30,112,406 km (0.094 R)
• M23: 31,796,279 km (0.119 R)
• M24: 33,764,688 km (0.111 R)
• M25: 36,279,578 km (0.088 R)
• M26: 43,240,367 km (0.109 R)
• M27: 44,974,954 km (0.093 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 17,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit