🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.53 AU - 0.77 AU

Year: 198 Days

Day: 37.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.65 AU - 0.79 AU

Year: 231 Days

Day: 46.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.38 AU - 1.68 AU

Year: 717 Days

Day: 47.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,053,137 km

• M1: 670,797 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.56 AU - 4.1 AU

Year: 2302 Days

Day: 43 Hours

Environment

Temp: -115 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.46 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.1

Radius: 3.7

Gravity: 47.2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 13.43 AU - 13.75 AU

Year: 18975 Days

Day: 23.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,053,137 km

• M1: 68,665 km (0.1 R)
• M2: 215,421 km (0.088 R)
• M3: 501,901 km (0.06 R)
• M4: 1,370,765 km (0.098 R)
• M5: 1,660,686 km (0.095 R)
• M6: 2,517,732 km (0.098 R)
• M7: 2,801,669 km (0.06 R)
• M8: 3,054,340 km (0.08 R)
• M9: 5,155,143 km (0.098 R)
• M10: 5,495,627 km (0.076 R)
• M11: 7,054,437 km (0.071 R)
• M12: 9,880,790 km (0.106 R)
• M13: 10,765,512 km (0.066 R)
• M14: 12,354,989 km (0.056 R)
• M15: 13,170,896 km (0.092 R)
• M16: 19,728,369 km (0.093 R)
• M17: 23,188,867 km (0.098 R)
• M18: 26,586,085 km (0.102 R)
• M19: 26,808,836 km (0.074 R)
• M20: 33,045,571 km (0.115 R)
• M21: 42,874,451 km (0.102 R)
• M22: 63,351,407 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.8

Radius: 5.1

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 14.66 AU - 19.8 AU

Year: 27088 Days

Day: 15.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,053,137 km

• M1: 63,429 km (0.099 R)
• M2: 240,553 km (0.034 R)
• M3: 599,887 km (0.097 R)
• M4: 1,075,459 km (0.094 R)
• M5: 2,121,447 km (0.12 R)
• M6: 2,780,276 km (0.117 R)
• M7: 10,579,561 km (0.103 R)
• M8: 11,267,861 km (0.096 R)
• M9: 11,852,938 km (0.042 R)
• M10: 13,729,494 km (0.1 R)
• M11: 14,246,504 km (0.073 R)
• M12: 15,715,256 km (0.103 R)
• M13: 19,590,739 km (0.026 R)
• M14: 24,485,731 km (0.11 R)
• M15: 27,735,445 km (0.094 R)
• M16: 35,211,748 km (0.073 R)
• M17: 39,187,312 km (0.096 R)
• M18: 39,482,169 km (0.097 R)
• M19: 40,676,559 km (0.1 R)
• M20: 51,287,685 km (0.112 R)
• M21: 56,188,960 km (0.081 R)
• M22: 57,318,873 km (0.102 R)
• M23: 71,641,822 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 12,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit