🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.27 AU - 1.51 AU

Year: 593 Days

Day: 32.2 Hours

Environment

Temp: -16 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.6 AU - 1.7 AU

Year: 767 Days

Day: 27.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.54 AU - 4.82 AU

Year: 3091 Days

Day: 39.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 14.7

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.6 AU - 8.84 AU

Year: 8523 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,035,676 km

• M1: 182,809 km (0.068 R)
• M2: 761,004 km (0.111 R)
• M3: 1,448,257 km (0.098 R)
• M4: 2,167,374 km (0.068 R)
• M5: 2,786,260 km (0.092 R)
• M6: 3,786,920 km (0.071 R)
• M7: 4,551,216 km (0.104 R)
• M8: 7,397,016 km (0.108 R)
• M9: 8,465,145 km (0.108 R)
• M10: 10,454,647 km (0.08 R)
• M11: 12,739,455 km (0.113 R)
• M12: 13,491,484 km (0.087 R)
• M13: 14,395,953 km (0.116 R)
• M14: 15,664,243 km (0.104 R)
• M15: 20,303,124 km (0.025 R)
• M16: 21,652,796 km (0.057 R)
• M17: 22,391,211 km (0.118 R)
• M18: 24,442,646 km (0.085 R)
• M19: 24,974,467 km (0.074 R)
• M20: 26,338,052 km (0.11 R)
• M21: 27,846,596 km (0.107 R)
• M22: 28,818,235 km (0.068 R)
• M23: 29,712,082 km (0.12 R)
• M24: 32,080,216 km (0.076 R)
• M25: 34,905,821 km (0.117 R)
• M26: 36,264,469 km (0.09 R)
• M27: 41,548,565 km (0.029 R)
• M28: 42,689,398 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.7

Radius: 14.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 11.63 AU - 13.25 AU

Year: 15868 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,035,676 km

• M1: 177,872 km (0.054 R)
• M2: 624,870 km (0.116 R)
• M3: 1,153,848 km (0.084 R)
• M4: 1,797,867 km (0.081 R)
• M5: 3,119,265 km (0.093 R)
• M6: 7,508,018 km (0.058 R)
• M7: 11,764,825 km (0.059 R)
• M8: 13,658,435 km (0.097 R)
• M9: 14,192,051 km (0.106 R)
• M10: 17,345,873 km (0.105 R)
• M11: 19,049,643 km (0.102 R)
• M12: 22,870,822 km (0.086 R)
• M13: 27,175,800 km (0.073 R)
• M14: 28,402,652 km (0.103 R)
• M15: 31,683,183 km (0.103 R)
• M16: 36,326,253 km (0.069 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: 445 - 17,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit