🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.92 AU - 1.06 AU

Year: 349 Days

Day: 12.9 Hours

Environment

Temp: 91 °C

Axial Tilt: 148 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.84 AU - 3.04 AU

Year: 1788 Days

Day: 27.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 158.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,602,305 km

• M1: 56,997 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.61 AU - 3.69 AU

Year: 1983 Days

Day: 46.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 85.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 12.7

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.44 AU - 8.22 AU

Year: 6332 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,602,305 km

• M1: 158,125 km (0.089 R)
• M2: 565,929 km (0.106 R)
• M3: 1,025,045 km (0.053 R)
• M4: 1,959,433 km (0.056 R)
• M5: 2,472,254 km (0.069 R)
• M6: 3,676,517 km (0.11 R)
• M7: 4,741,355 km (0.096 R)
• M8: 5,935,744 km (0.042 R)
• M9: 6,657,255 km (0.104 R)
• M10: 9,812,872 km (0.112 R)
• M11: 12,602,274 km (0.032 R)
• M12: 13,161,172 km (0.08 R)
• M13: 14,569,935 km (0.106 R)
• M14: 19,994,204 km (0.091 R)
• M15: 21,142,817 km (0.118 R)
• M16: 21,932,544 km (0.097 R)
• M17: 25,114,491 km (0.11 R)
• M18: 25,910,800 km (0.108 R)
• M19: 30,346,377 km (0.034 R)
• M20: 31,657,303 km (0.117 R)
• M21: 36,262,673 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 10.5

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.69 AU - 8.63 AU

Year: 8269 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,602,305 km

• M1: 132,993 km (0.098 R)
• M2: 801,396 km (0.12 R)
• M3: 1,225,506 km (0.114 R)
• M4: 1,682,378 km (0.028 R)
• M5: 2,165,280 km (0.077 R)
• M6: 3,273,800 km (0.059 R)
• M7: 5,055,062 km (0.104 R)
• M8: 6,864,747 km (0.068 R)
• M9: 9,070,867 km (0.107 R)
• M10: 10,867,089 km (0.065 R)
• M11: 11,551,050 km (0.116 R)
• M12: 16,205,189 km (0.075 R)
• M13: 17,379,233 km (0.069 R)
• M14: 18,609,078 km (0.094 R)
• M15: 29,793,912 km (0.117 R)
• M16: 31,132,663 km (0.035 R)
• M17: 32,296,535 km (0.052 R)
• M18: 34,151,847 km (0.117 R)
• M19: 42,930,400 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214

Radius: 3.9

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 12.05 AU - 14.23 AU

Year: 16898 Days

Day: 18.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,602,305 km

• M1: 49,966 km (0.113 R)
• M2: 213,626 km (0.073 R)
• M3: 469,289 km (0.099 R)
• M4: 976,126 km (0.116 R)
• M5: 1,660,237 km (0.102 R)
• M6: 2,041,712 km (0.094 R)
• M7: 2,440,540 km (0.085 R)
• M8: 4,165,254 km (0.114 R)
• M9: 4,418,972 km (0.117 R)
• M10: 5,051,023 km (0.075 R)
• M11: 5,984,812 km (0.084 R)
• M12: 6,871,928 km (0.099 R)
• M13: 12,532,412 km (0.084 R)
• M14: 15,455,405 km (0.092 R)
• M15: 15,858,571 km (0.076 R)
• M16: 21,754,373 km (0.114 R)
• M17: 36,058,024 km (0.1 R)
• M18: 42,377,337 km (0.1 R)
• M19: 43,033,922 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.3

Radius: 7.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 17.73 AU - 18.71 AU

Year: 27591 Days

Day: 24 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,602,305 km

• M1: 97,837 km (0.12 R)
• M2: 668,852 km (0.086 R)
• M3: 1,275,322 km (0.107 R)
• M4: 2,902,049 km (0.114 R)
• M5: 3,148,736 km (0.083 R)
• M6: 3,974,367 km (0.11 R)
• M7: 11,724,135 km (0.032 R)
• M8: 13,541,300 km (0.109 R)
• M9: 14,163,178 km (0.054 R)
• M10: 15,914,521 km (0.116 R)
• M11: 28,745,081 km (0.03 R)
• M12: 42,278,602 km (0.06 R)
• M13: 43,307,686 km (0.11 R)
• M14: 54,878,632 km (0.047 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 16,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit