🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.68 AU - 0.76 AU

Year: 223 Days

Day: 20.9 Hours

Environment

Temp: 204 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.87 AU - 3.71 AU

Year: 2180 Days

Day: 36.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.22 AU - 3.82 AU

Year: 2412 Days

Day: 18.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,626,982 km

• M1: 127,906 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.3

Radius: 11.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.72 AU - 9.48 AU

Year: 8420 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,626,982 km

• M1: 143,016 km (0.072 R)
• M2: 668,104 km (0.091 R)
• M3: 1,126,023 km (0.086 R)
• M4: 1,541,008 km (0.05 R)
• M5: 2,010,147 km (0.102 R)
• M6: 2,811,692 km (0.104 R)
• M7: 4,427,199 km (0.114 R)
• M8: 5,581,796 km (0.073 R)
• M9: 8,390,945 km (0.063 R)
• M10: 11,486,723 km (0.029 R)
• M11: 13,171,644 km (0.107 R)
• M12: 13,707,802 km (0.087 R)
• M13: 14,382,938 km (0.071 R)
• M14: 15,015,737 km (0.085 R)
• M15: 16,066,662 km (0.065 R)
• M16: 16,956,171 km (0.092 R)
• M17: 19,058,619 km (0.054 R)
• M18: 19,822,316 km (0.111 R)
• M19: 21,167,201 km (0.069 R)
• M20: 22,236,078 km (0.098 R)
• M21: 24,126,247 km (0.092 R)
• M22: 27,063,601 km (0.117 R)
• M23: 28,420,753 km (0.12 R)
• M24: 30,231,635 km (0.077 R)
• M25: 33,859,982 km (0.084 R)
• M26: 34,753,979 km (0.075 R)
• M27: 36,009,105 km (0.092 R)
• M28: 42,225,046 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.9

Radius: 5.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 18.15 AU - 19.97 AU

Year: 30393 Days

Day: 18.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,626,982 km

• M1: 63,429 km (0.053 R)
• M2: 247,734 km (0.049 R)
• M3: 610,359 km (0.107 R)
• M4: 913,445 km (0.105 R)
• M5: 1,323,792 km (0.095 R)
• M6: 1,511,238 km (0.078 R)
• M7: 2,501,725 km (0.082 R)
• M8: 3,964,792 km (0.085 R)
• M9: 6,503,169 km (0.095 R)
• M10: 9,538,211 km (0.106 R)
• M11: 9,768,891 km (0.104 R)
• M12: 11,489,565 km (0.089 R)
• M13: 14,163,926 km (0.066 R)
• M14: 17,294,112 km (0.083 R)
• M15: 27,024,855 km (0.071 R)
• M16: 30,670,555 km (0.098 R)
• M17: 37,873,244 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 12,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit