🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 46.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.5

Radius: 11

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.88 AU - 1.16 AU

Year: 665 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,317,029 km

• M1: 136,882 km (0.059 R)
• M2: 487,839 km (0.102 R)
• M3: 845,378 km (0.045 R)
• M4: 1,334,712 km (0.085 R)
• M5: 2,229,607 km (0.064 R)
• M6: 2,808,850 km (0.082 R)
• M7: 3,183,293 km (0.11 R)
• M8: 3,618,025 km (0.034 R)
• M9: 4,034,206 km (0.114 R)
• M10: 5,338,250 km (0.116 R)
• M11: 7,394,623 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 12.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.07 AU - 1.17 AU

Year: 765 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,317,029 km

• M1: 154,235 km (0.1 R)
• M2: 551,418 km (0.068 R)
• M3: 1,049,279 km (0.115 R)
• M4: 1,719,328 km (0.094 R)
• M5: 2,305,752 km (0.047 R)
• M6: 3,103,258 km (0.098 R)
• M7: 4,443,805 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 9.2

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.11 AU - 6.15 AU

Year: 7502 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,317,029 km

• M1: 119,828 km (0.119 R)
• M2: 506,239 km (0.091 R)
• M3: 879,785 km (0.039 R)
• M4: 1,488,499 km (0.084 R)
• M5: 1,949,709 km (0.033 R)
• M6: 2,717,445 km (0.101 R)
• M7: 3,137,666 km (0.077 R)
• M8: 6,062,454 km (0.087 R)
• M9: 7,086,451 km (0.117 R)
• M10: 8,479,806 km (0.098 R)
• M11: 11,055,133 km (0.074 R)
• M12: 12,073,446 km (0.119 R)
• M13: 12,920,618 km (0.117 R)
• M14: 13,626,421 km (0.118 R)
• M15: 18,633,013 km (0.111 R)
• M16: 23,428,822 km (0.039 R)
• M17: 24,655,674 km (0.11 R)
• M18: 28,396,369 km (0.086 R)
• M19: 31,020,914 km (0.047 R)
• M20: 32,606,501 km (0.073 R)
• M21: 37,686,546 km (0.097 R)
• M22: 40,228,214 km (0.114 R)
• M23: 41,857,634 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.6

Radius: 6.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.5 AU - 13.14 AU

Year: 22980 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,317,029 km

• M1: 709,543 km (0.098 R)
• M2: 1,222,663 km (0.071 R)
• M3: 2,238,134 km (0.085 R)
• M4: 3,725,735 km (0.119 R)
• M5: 4,728,938 km (0.069 R)
• M6: 5,561,151 km (0.038 R)
• M7: 6,554,481 km (0.066 R)
• M8: 11,424,939 km (0.104 R)
• M9: 16,202,347 km (0.071 R)
• M10: 18,682,081 km (0.115 R)
• M11: 20,155,620 km (0.09 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: 537 - 15,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit