🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.98 AU - 1.32 AU

Year: 446 Days

Day: 25.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.58 AU - 1.66 AU

Year: 746 Days

Day: 36.7 Hours

Environment

Temp: -35 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.27 AU - 3.07 AU

Year: 1578 Days

Day: 43.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,204,563 km

• M1: 53,556 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 12.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.45 AU - 9.91 AU

Year: 10892 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,204,563 km

• M1: 150,495 km (0.1 R)
• M2: 597,195 km (0.106 R)
• M3: 1,115,402 km (0.118 R)
• M4: 2,569,493 km (0.097 R)
• M5: 3,321,522 km (0.056 R)
• M6: 4,243,942 km (0.066 R)
• M7: 4,843,530 km (0.1 R)
• M8: 6,065,446 km (0.08 R)
• M9: 6,670,270 km (0.086 R)
• M10: 10,266,453 km (0.117 R)
• M11: 11,860,867 km (0.108 R)
• M12: 13,114,647 km (0.049 R)
• M13: 15,397,510 km (0.093 R)
• M14: 16,596,986 km (0.085 R)
• M15: 17,933,942 km (0.103 R)
• M16: 19,421,693 km (0.06 R)
• M17: 20,737,107 km (0.098 R)
• M18: 22,198,828 km (0.032 R)
• M19: 22,730,798 km (0.092 R)
• M20: 23,636,314 km (0.059 R)
• M21: 25,713,032 km (0.108 R)
• M22: 27,908,680 km (0.065 R)
• M23: 30,880,292 km (0.116 R)
• M24: 33,706,495 km (0.038 R)
• M25: 36,088,392 km (0.097 R)
• M26: 44,883,999 km (0.119 R)
• M27: 49,698,956 km (0.112 R)
• M28: 51,532,128 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.7

Radius: 7.8

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 18.32 AU - 18.92 AU

Year: 29058 Days

Day: 21 Hours

Environment

Temp: -198 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,204,563 km

• M1: 98,286 km (0.108 R)
• M2: 466,147 km (0.12 R)
• M3: 1,327,083 km (0.104 R)
• M4: 3,484,583 km (0.073 R)
• M5: 4,266,082 km (0.082 R)
• M6: 4,514,714 km (0.095 R)
• M7: 4,773,219 km (0.107 R)
• M8: 5,159,481 km (0.102 R)
• M9: 6,082,799 km (0.081 R)
• M10: 9,572,169 km (0.03 R)
• M11: 12,191,030 km (0.099 R)
• M12: 15,252,849 km (0.082 R)
• M13: 18,603,243 km (0.08 R)
• M14: 21,572,163 km (0.088 R)
• M15: 29,698,169 km (0.101 R)
• M16: 32,895,674 km (0.116 R)
• M17: 40,755,098 km (0.05 R)
• M18: 52,367,782 km (0.114 R)
• M19: 54,078,433 km (0.076 R)
• M20: 56,022,308 km (0.09 R)
• M21: 57,610,589 km (0.073 R)
• M22: 61,502,826 km (0.102 R)
• M23: 64,264,552 km (0.05 R)
• M24: 69,806,106 km (0.036 R)
• M25: 81,575,121 km (0.119 R)
• M26: 82,590,292 km (0.057 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 16,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit