🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.56 AU - 0.58 AU

Year: 165 Days

Day: 44.5 Hours

Environment

Temp: 123 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.71 AU - 1.09 AU

Year: 327 Days

Day: 14.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.01 AU - 1.07 AU

Year: 406 Days

Day: 31.9 Hours

Environment

Temp: -2 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.16 AU - 1.76 AU

Year: 675 Days

Day: 22.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.26 AU - 1.78 AU

Year: 718 Days

Day: 31.3 Hours

Environment

Temp: -65 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.03 AU - 2.45 AU

Year: 1284 Days

Day: 27.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,178,497 km

• M1: 986,149 km (0.04 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.89 AU - 3.63 AU

Year: 2254 Days

Day: 43.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 142.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.22 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.8

Radius: 4.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 12.93 AU - 17.43 AU

Year: 22645 Days

Day: 18.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,178,497 km

• M1: 54,603 km (0.112 R)
• M2: 546,182 km (0.051 R)
• M3: 3,776,149 km (0.08 R)
• M4: 4,542,689 km (0.069 R)
• M5: 6,562,260 km (0.074 R)
• M6: 9,535,817 km (0.117 R)
• M7: 14,660,741 km (0.095 R)
• M8: 23,134,862 km (0.109 R)
• M9: 27,258,976 km (0.092 R)
• M10: 35,061,403 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.9

Radius: 6.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 12.15 AU - 18.77 AU

Year: 23275 Days

Day: 21.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,178,497 km

• M1: 82,129 km (0.072 R)
• M2: 496,964 km (0.114 R)
• M3: 2,305,453 km (0.098 R)
• M4: 2,610,034 km (0.1 R)
• M5: 3,769,268 km (0.071 R)
• M6: 9,551,974 km (0.105 R)
• M7: 12,587,913 km (0.115 R)
• M8: 16,358,078 km (0.089 R)
• M9: 17,253,721 km (0.087 R)
• M10: 18,024,748 km (0.108 R)
• M11: 20,390,788 km (0.1 R)
• M12: 21,339,837 km (0.119 R)
• M13: 24,172,772 km (0.1 R)
• M14: 24,459,551 km (0.097 R)
• M15: 26,938,537 km (0.112 R)
• M16: 27,143,786 km (0.069 R)
• M17: 29,471,080 km (0.045 R)
• M18: 35,004,406 km (0.066 R)
• M19: 42,705,854 km (0.114 R)
• M20: 43,688,263 km (0.115 R)
• M21: 48,980,288 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 12,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit