🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.73 AU - 0.79 AU

Year: 246 Days

Day: 41.1 Hours

Environment

Temp: 93 °C

Axial Tilt: 129.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.61 AU - 0.97 AU

Year: 260 Days

Day: 24.1 Hours

Environment

Temp: 179 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.69 AU - 0.95 AU

Year: 275 Days

Day: 15.3 Hours

Environment

Temp: 156 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.05 AU - 4.09 AU

Year: 2502 Days

Day: 45.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 135.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.02 AU - 4.34 AU

Year: 2618 Days

Day: 22.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 8.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.93 AU - 5.75 AU

Year: 3949 Days

Day: 5.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,878,892 km

• M1: 102,026 km (0.09 R)
• M2: 378,483 km (0.115 R)
• M3: 751,580 km (0.1 R)
• M4: 1,276,668 km (0.07 R)
• M5: 1,621,641 km (0.115 R)
• M6: 2,584,752 km (0.089 R)
• M7: 2,906,836 km (0.103 R)
• M8: 3,475,009 km (0.118 R)
• M9: 3,962,100 km (0.076 R)
• M10: 4,896,338 km (0.076 R)
• M11: 5,299,355 km (0.084 R)
• M12: 5,651,957 km (0.082 R)
• M13: 6,615,966 km (0.069 R)
• M14: 7,025,266 km (0.109 R)
• M15: 7,864,510 km (0.119 R)
• M16: 9,810,628 km (0.115 R)
• M17: 10,561,610 km (0.085 R)
• M18: 10,970,161 km (0.1 R)
• M19: 11,235,548 km (0.073 R)
• M20: 12,793,460 km (0.053 R)
• M21: 13,129,906 km (0.075 R)
• M22: 14,354,664 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.9

Radius: 11.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.44 AU - 8.28 AU

Year: 8172 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,878,892 km

• M1: 139,425 km (0.112 R)
• M2: 511,026 km (0.119 R)
• M3: 893,249 km (0.1 R)
• M4: 2,194,451 km (0.056 R)
• M5: 2,965,479 km (0.105 R)
• M6: 4,408,649 km (0.049 R)
• M7: 5,101,287 km (0.117 R)
• M8: 10,373,416 km (0.107 R)
• M9: 11,651,281 km (0.057 R)
• M10: 12,917,178 km (0.025 R)
• M11: 13,554,016 km (0.059 R)
• M12: 16,312,900 km (0.052 R)
• M13: 16,988,484 km (0.113 R)
• M14: 18,906,328 km (0.067 R)
• M15: 22,252,234 km (0.1 R)
• M16: 25,162,811 km (0.075 R)
• M17: 25,611,155 km (0.062 R)
• M18: 28,511,559 km (0.05 R)
• M19: 31,937,051 km (0.102 R)
• M20: 36,079,715 km (0.113 R)
• M21: 37,226,533 km (0.047 R)
• M22: 38,873,007 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.3

Radius: 5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 10.79 AU - 15.71 AU

Year: 17887 Days

Day: 21.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 104.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,878,892 km

• M1: 62,233 km (0.067 R)
• M2: 234,569 km (0.061 R)
• M3: 730,187 km (0.068 R)
• M4: 974,181 km (0.101 R)
• M5: 1,214,286 km (0.119 R)
• M6: 2,928,678 km (0.074 R)
• M7: 3,250,014 km (0.094 R)
• M8: 3,666,345 km (0.113 R)
• M9: 3,988,578 km (0.059 R)
• M10: 4,383,517 km (0.117 R)
• M11: 4,576,648 km (0.106 R)
• M12: 4,775,314 km (0.074 R)
• M13: 7,592,242 km (0.11 R)
• M14: 8,792,316 km (0.053 R)
• M15: 8,967,196 km (0.107 R)
• M16: 10,161,136 km (0.057 R)
• M17: 10,996,790 km (0.119 R)
• M18: 11,983,986 km (0.086 R)
• M19: 13,544,442 km (0.071 R)
• M20: 16,725,790 km (0.12 R)
• M21: 20,219,798 km (0.025 R)
• M22: 21,616,743 km (0.098 R)
• M23: 21,855,651 km (0.118 R)
• M24: 22,664,676 km (0.037 R)
• M25: 24,170,977 km (0.043 R)
• M26: 24,601,071 km (0.061 R)
• M27: 37,882,519 km (0.071 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 20,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit