🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 240 Days

Day: 19.2 Hours

Environment

Temp: 183 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.69 AU - 1.07 AU

Year: 293 Days

Day: 22.5 Hours

Environment

Temp: 146 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.73 AU - 1.91 AU

Year: 871 Days

Day: 44.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 13.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.61 AU - 10.51 AU

Year: 9675 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,709,623 km

• M1: 166,652 km (0.076 R)
• M2: 727,195 km (0.098 R)
• M3: 1,180,327 km (0.026 R)
• M4: 2,018,823 km (0.091 R)
• M5: 4,350,306 km (0.04 R)
• M6: 4,843,381 km (0.083 R)
• M7: 5,479,022 km (0.073 R)
• M8: 6,432,708 km (0.088 R)
• M9: 7,527,017 km (0.066 R)
• M10: 10,994,396 km (0.099 R)
• M11: 16,060,379 km (0.116 R)
• M12: 17,593,757 km (0.091 R)
• M13: 22,363,834 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.3

Radius: 4.1

Gravity: 27.74 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 14.56 AU - 19.14 AU

Year: 24538 Days

Day: 18.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,709,623 km

• M1: 51,013 km (0.087 R)
• M2: 197,170 km (0.096 R)
• M3: 513,121 km (0.12 R)
• M4: 646,113 km (0.096 R)
• M5: 1,008,290 km (0.106 R)
• M6: 1,382,883 km (0.094 R)
• M7: 2,516,087 km (0.097 R)
• M8: 3,011,106 km (0.114 R)
• M9: 3,687,588 km (0.072 R)
• M10: 4,224,345 km (0.042 R)
• M11: 4,459,812 km (0.034 R)
• M12: 6,103,444 km (0.057 R)
• M13: 8,423,258 km (0.027 R)
• M14: 9,180,672 km (0.112 R)
• M15: 9,690,950 km (0.116 R)
• M16: 11,017,434 km (0.089 R)
• M17: 12,121,915 km (0.083 R)
• M18: 14,098,702 km (0.113 R)
• M19: 15,241,330 km (0.046 R)
• M20: 16,117,525 km (0.065 R)
• M21: 17,622,779 km (0.1 R)
• M22: 20,240,891 km (0.068 R)
• M23: 23,003,964 km (0.085 R)
• M24: 24,906,998 km (0.111 R)
• M25: 26,344,933 km (0.095 R)
• M26: 34,505,646 km (0.072 R)
• M27: 38,278,954 km (0.078 R)
• M28: 39,006,598 km (0.118 R)
• M29: 43,096,005 km (0.119 R)
• M30: 46,467,492 km (0.051 R)
• M31: 48,470,757 km (0.09 R)
• M32: 53,367,544 km (0.113 R)
• M33: 54,092,944 km (0.107 R)
• M34: 57,818,679 km (0.08 R)
• M35: 62,711,727 km (0.077 R)
• M36: 63,925,863 km (0.048 R)
• M37: 67,239,755 km (0.07 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 18,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit