🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.93 AU - 1.27 AU

Year: 405 Days

Day: 31.2 Hours

Environment

Temp: 32 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.38 AU - 3.72 AU

Year: 1872 Days

Day: 14.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,503,612 km

• M1: 128,205 km (0.04 R)

Asteroid Belt

Center: 8.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.9

Radius: 3

Gravity: 54.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 13.33 AU - 15.43 AU

Year: 19165 Days

Day: 18.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,503,612 km

• M1: 107,710 km (0.057 R)
• M2: 270,174 km (0.068 R)
• M3: 544,387 km (0.111 R)
• M4: 724,502 km (0.074 R)
• M5: 1,386,772 km (0.116 R)
• M6: 1,792,482 km (0.076 R)
• M7: 1,937,741 km (0.059 R)
• M8: 2,486,466 km (0.072 R)
• M9: 2,621,254 km (0.108 R)
• M10: 4,541,941 km (0.112 R)
• M11: 6,923,389 km (0.104 R)
• M12: 8,630,002 km (0.067 R)
• M13: 8,939,221 km (0.056 R)
• M14: 9,579,948 km (0.089 R)
• M15: 10,773,889 km (0.06 R)
• M16: 14,944,229 km (0.112 R)
• M17: 18,590,079 km (0.091 R)
• M18: 20,526,025 km (0.105 R)
• M19: 20,891,941 km (0.093 R)
• M20: 23,575,577 km (0.061 R)
• M21: 27,351,876 km (0.1 R)
• M22: 37,415,325 km (0.053 R)
• M23: 40,625,396 km (0.071 R)
• M24: 49,198,401 km (0.105 R)
• M25: 53,214,207 km (0.026 R)
• M26: 59,824,338 km (0.114 R)
• M27: 61,511,054 km (0.079 R)
• M28: 63,808,877 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.8

Radius: 4.2

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 17.31 AU - 17.87 AU

Year: 25928 Days

Day: 24.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,503,612 km

• M1: 56,249 km (0.062 R)
• M2: 349,161 km (0.096 R)
• M3: 585,825 km (0.091 R)
• M4: 723,455 km (0.094 R)
• M5: 1,299,557 km (0.076 R)
• M6: 1,552,078 km (0.103 R)
• M7: 1,921,435 km (0.086 R)
• M8: 2,788,056 km (0.12 R)
• M9: 3,332,143 km (0.045 R)
• M10: 5,851,072 km (0.108 R)
• M11: 6,736,841 km (0.088 R)
• M12: 7,841,771 km (0.102 R)
• M13: 8,021,887 km (0.041 R)
• M14: 11,009,506 km (0.082 R)
• M15: 11,235,398 km (0.086 R)
• M16: 11,580,072 km (0.111 R)
• M17: 12,594,944 km (0.093 R)
• M18: 13,092,357 km (0.059 R)
• M19: 14,799,867 km (0.065 R)
• M20: 15,849,595 km (0.074 R)
• M21: 16,576,342 km (0.09 R)
• M22: 17,022,891 km (0.112 R)
• M23: 20,207,232 km (0.097 R)
• M24: 27,618,908 km (0.105 R)
• M25: 28,457,405 km (0.101 R)
• M26: 28,669,534 km (0.104 R)
• M27: 36,781,180 km (0.094 R)
• M28: 38,051,864 km (0.096 R)
• M29: 39,220,373 km (0.05 R)
• M30: 39,483,216 km (0.05 R)
• M31: 40,680,747 km (0.103 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 14,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit