🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.86 AU - 1.02 AU

Year: 343 Days

Day: 22.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 67,292,005 km

• M1: 63,579 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.15 AU - 1.55 AU

Year: 591 Days

Day: 34.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.48 AU - 2.16 AU

Year: 925 Days

Day: 22.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.82 AU - 2.08 AU

Year: 1026 Days

Day: 40.2 Hours

Environment

Temp: -70 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,292,005 km

• M1: 360,381 km (0.094 R)
• M2: 397,482 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.6

Radius: 4.2

Gravity: 37.85 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 11.43 AU - 13.77 AU

Year: 16849 Days

Day: 23.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 67,292,005 km

• M1: 182,360 km (0.068 R)
• M2: 319,092 km (0.088 R)
• M3: 410,497 km (0.027 R)
• M4: 515,514 km (0.085 R)
• M5: 609,013 km (0.092 R)
• M6: 1,525,001 km (0.053 R)
• M7: 1,709,604 km (0.104 R)
• M8: 1,995,486 km (0.107 R)
• M9: 2,741,830 km (0.055 R)
• M10: 3,074,236 km (0.105 R)
• M11: 3,247,770 km (0.066 R)
• M12: 4,562,735 km (0.119 R)
• M13: 5,323,889 km (0.11 R)
• M14: 7,067,303 km (0.104 R)
• M15: 8,148,446 km (0.049 R)
• M16: 8,289,068 km (0.103 R)
• M17: 8,815,055 km (0.115 R)
• M18: 10,070,629 km (0.065 R)
• M19: 11,300,174 km (0.116 R)
• M20: 12,484,840 km (0.118 R)
• M21: 13,069,917 km (0.118 R)
• M22: 13,188,399 km (0.115 R)
• M23: 13,850,369 km (0.076 R)
• M24: 21,214,025 km (0.05 R)
• M25: 22,984,815 km (0.088 R)
• M26: 24,017,041 km (0.119 R)
• M27: 27,336,019 km (0.089 R)
• M28: 27,852,431 km (0.043 R)
• M29: 27,939,048 km (0.066 R)
• M30: 28,286,414 km (0.105 R)
• M31: 29,966,398 km (0.103 R)
• M32: 30,146,065 km (0.119 R)
• M33: 33,661,914 km (0.084 R)
• M34: 34,330,767 km (0.088 R)
• M35: 37,171,929 km (0.026 R)
• M36: 38,076,548 km (0.117 R)
• M37: 41,910,442 km (0.081 R)
• M38: 43,517,123 km (0.04 R)
• M39: 50,829,018 km (0.109 R)
• M40: 52,122,741 km (0.071 R)
• M41: 54,758,805 km (0.095 R)
• M42: 58,458,360 km (0.088 R)
• M43: 58,709,236 km (0.074 R)
• M44: 60,863,894 km (0.03 R)
• M45: 64,893,163 km (0.049 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 17,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit