🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.98 AU - 1.16 AU

Year: 421 Days

Day: 40 Hours

Environment

Temp: -4 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.08 AU - 1.52 AU

Year: 564 Days

Day: 26.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.9 AU - 2.44 AU

Year: 1217 Days

Day: 27.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.14 AU - 2.96 AU

Year: 1551 Days

Day: 19.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,085,657 km

• M1: 500,704 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.25 AU - 3.87 AU

Year: 2558 Days

Day: 20.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.2

Radius: 4.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 14.91 AU - 17.43 AU

Year: 24761 Days

Day: 24.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,085,657 km

• M1: 64,776 km (0.058 R)
• M2: 284,685 km (0.111 R)
• M3: 1,558,062 km (0.052 R)
• M4: 4,529,375 km (0.075 R)
• M5: 8,806,228 km (0.034 R)
• M6: 9,963,368 km (0.06 R)
• M7: 11,345,054 km (0.074 R)
• M8: 12,620,525 km (0.106 R)
• M9: 16,960,359 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.3

Radius: 6.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 18.16 AU - 20.24 AU

Year: 32037 Days

Day: 16.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,085,657 km

• M1: 79,885 km (0.111 R)
• M2: 331,210 km (0.116 R)
• M3: 618,737 km (0.098 R)
• M4: 918,531 km (0.096 R)
• M5: 4,452,930 km (0.116 R)
• M6: 5,125,522 km (0.109 R)
• M7: 6,511,397 km (0.116 R)
• M8: 7,205,830 km (0.098 R)
• M9: 8,645,111 km (0.035 R)
• M10: 8,935,032 km (0.088 R)
• M11: 10,867,537 km (0.045 R)
• M12: 13,833,764 km (0.118 R)
• M13: 14,499,175 km (0.067 R)
• M14: 17,451,639 km (0.114 R)
• M15: 18,386,326 km (0.118 R)
• M16: 19,108,884 km (0.116 R)
• M17: 21,215,222 km (0.086 R)
• M18: 21,477,916 km (0.091 R)
• M19: 24,321,323 km (0.102 R)
• M20: 27,613,822 km (0.119 R)
• M21: 28,774,103 km (0.067 R)
• M22: 33,860,132 km (0.115 R)
• M23: 42,217,566 km (0.05 R)
• M24: 46,943,213 km (0.089 R)
• M25: 49,509,864 km (0.083 R)
• M26: 51,534,522 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit