🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.53 AU - 0.55 AU

Year: 146 Days

Day: 16.3 Hours

Environment

Temp: 185 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.95 AU - 1.31 AU

Year: 443 Days

Day: 27.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,729,320 km

• M1: 736,022 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.59 AU - 2.17 AU

Year: 951 Days

Day: 31 Hours

Environment

Temp: -74 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.72 AU - 2.34 AU

Year: 1067 Days

Day: 38.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.06 AU - 2.7 AU

Year: 1355 Days

Day: 41.9 Hours

Environment

Temp: -82 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,729,320 km

• M1: 290,220 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.14 AU - 4.56 AU

Year: 3347 Days

Day: 28.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,729,320 km

• M1: 994,975 km (0.043 R)

Asteroid Belt

Center: 4.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.7

Radius: 13.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.99 AU - 5.13 AU

Year: 4200 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 29,729,320 km

• M1: 206,744 km (0.1 R)
• M2: 652,845 km (0.1 R)
• M3: 844,480 km (0.076 R)
• M4: 1,485,357 km (0.104 R)
• M5: 1,629,420 km (0.11 R)
• M6: 1,915,002 km (0.115 R)
• M7: 2,090,780 km (0.063 R)
• M8: 2,180,688 km (0.034 R)
• M9: 2,308,894 km (0.113 R)
• M10: 2,787,607 km (0.116 R)
• M11: 2,947,527 km (0.088 R)
• M12: 3,110,439 km (0.109 R)
• M13: 3,276,493 km (0.054 R)
• M14: 3,682,800 km (0.096 R)
• M15: 3,792,456 km (0.052 R)
• M16: 4,426,751 km (0.063 R)
• M17: 4,614,197 km (0.115 R)
• M18: 4,972,633 km (0.114 R)
• M19: 5,167,709 km (0.083 R)
• M20: 5,340,345 km (0.092 R)
• M21: 5,691,601 km (0.109 R)
• M22: 5,947,114 km (0.028 R)
• M23: 6,128,277 km (0.027 R)
• M24: 6,337,564 km (0.083 R)
• M25: 7,034,241 km (0.077 R)
• M26: 7,253,402 km (0.108 R)
• M27: 7,502,932 km (0.116 R)
• M28: 7,896,524 km (0.105 R)
• M29: 8,239,402 km (0.111 R)
• M30: 8,412,636 km (0.116 R)
• M31: 9,117,841 km (0.113 R)
• M32: 9,720,122 km (0.042 R)
• M33: 10,522,265 km (0.07 R)
• M34: 10,994,845 km (0.083 R)
• M35: 11,217,746 km (0.114 R)
• M36: 11,442,143 km (0.039 R)
• M37: 11,668,036 km (0.079 R)
• M38: 12,058,636 km (0.088 R)
• M39: 12,387,601 km (0.038 R)
• M40: 12,553,206 km (0.112 R)
• M41: 13,324,234 km (0.091 R)
• M42: 13,904,075 km (0.083 R)
• M43: 14,076,262 km (0.066 R)
• M44: 14,353,168 km (0.112 R)
• M45: 14,631,869 km (0.083 R)
• M46: 14,947,520 km (0.099 R)
• M47: 15,053,286 km (0.028 R)
• M48: 15,265,416 km (0.1 R)
• M49: 15,478,592 km (0.077 R)
• M50: 15,908,088 km (0.117 R)
• M51: 16,450,380 km (0.075 R)
• M52: 17,109,060 km (0.091 R)
• M53: 17,441,765 km (0.117 R)
• M54: 17,664,666 km (0.115 R)
• M55: 17,776,565 km (0.076 R)
• M56: 18,490,297 km (0.105 R)
• M57: 18,793,681 km (0.039 R)
• M58: 19,597,770 km (0.11 R)
• M59: 19,790,901 km (0.09 R)
• M60: 20,101,167 km (0.085 R)
• M61: 20,374,033 km (0.093 R)
• M62: 21,756,766 km (0.069 R)
• M63: 21,956,779 km (0.107 R)
• M64: 22,197,631 km (0.074 R)
• M65: 22,762,962 km (0.111 R)
• M66: 24,736,906 km (0.112 R)
• M67: 24,862,119 km (0.062 R)
• M68: 25,155,181 km (0.052 R)
• M69: 25,449,291 km (0.094 R)
• M70: 25,575,701 km (0.075 R)
• M71: 26,423,621 km (0.047 R)
• M72: 27,367,135 km (0.076 R)
• M73: 27,583,005 km (0.116 R)
• M74: 28,408,935 km (0.051 R)
• M75: 28,627,497 km (0.025 R)
• M76: 28,978,604 km (0.042 R)
• M77: 29,463,600 km (0.111 R)
• M78: 29,596,443 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 17,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit