🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.51 AU - 0.57 AU

Year: 143 Days

Day: 12.2 Hours

Environment

Temp: 192 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.73 AU - 0.99 AU

Year: 287 Days

Day: 14.1 Hours

Environment

Temp: 132 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.5 AU - 2.04 AU

Year: 847 Days

Day: 26.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,565,495 km

• M1: 122,072 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.15 AU - 2.29 AU

Year: 1190 Days

Day: 41.1 Hours

Environment

Temp: -74 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.99 AU - 3.03 AU

Year: 1431 Days

Day: 16.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.29 AU - 3.19 AU

Year: 1632 Days

Day: 39.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.16 AU - 5 AU

Year: 2966 Days

Day: 43.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 8.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.11 AU - 7.71 AU

Year: 6537 Days

Day: 7.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,565,495 km

• M1: 105,915 km (0.092 R)
• M2: 591,360 km (0.105 R)
• M3: 1,589,777 km (0.102 R)
• M4: 2,157,351 km (0.08 R)
• M5: 4,469,685 km (0.111 R)
• M6: 6,167,023 km (0.116 R)
• M7: 8,219,655 km (0.074 R)
• M8: 9,109,463 km (0.1 R)
• M9: 9,617,647 km (0.089 R)
• M10: 14,490,648 km (0.06 R)
• M11: 18,482,219 km (0.077 R)
• M12: 21,813,913 km (0.104 R)
• M13: 22,300,405 km (0.074 R)
• M14: 22,652,409 km (0.091 R)
• M15: 25,679,372 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 14.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 10.57 AU - 13.61 AU

Year: 15129 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,565,495 km

• M1: 177,872 km (0.094 R)
• M2: 942,915 km (0.113 R)
• M3: 1,770,341 km (0.057 R)
• M4: 3,364,755 km (0.095 R)
• M5: 4,284,184 km (0.065 R)
• M6: 6,362,098 km (0.115 R)
• M7: 7,266,717 km (0.1 R)
• M8: 16,284,925 km (0.114 R)
• M9: 18,432,702 km (0.111 R)
• M10: 21,851,761 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.6

Radius: 7.3

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 17.72 AU - 19.98 AU

Year: 29454 Days

Day: 20.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,565,495 km

• M1: 90,806 km (0.041 R)
• M2: 384,018 km (0.097 R)
• M3: 663,616 km (0.12 R)
• M4: 1,437,636 km (0.039 R)
• M5: 2,760,081 km (0.082 R)
• M6: 3,312,695 km (0.117 R)
• M7: 4,490,330 km (0.092 R)
• M8: 5,213,785 km (0.104 R)
• M9: 5,968,506 km (0.099 R)
• M10: 6,326,344 km (0.04 R)
• M11: 8,335,294 km (0.117 R)
• M12: 15,061,514 km (0.048 R)
• M13: 16,670,289 km (0.106 R)
• M14: 19,731,211 km (0.11 R)
• M15: 23,366,290 km (0.106 R)
• M16: 26,101,836 km (0.05 R)
• M17: 27,302,210 km (0.118 R)
• M18: 30,858,301 km (0.107 R)
• M19: 31,256,830 km (0.108 R)
• M20: 34,284,242 km (0.054 R)
• M21: 43,191,149 km (0.044 R)
• M22: 45,550,756 km (0.105 R)
• M23: 60,287,044 km (0.098 R)
• M24: 61,327,348 km (0.03 R)
• M25: 61,957,155 km (0.06 R)
• M26: 73,571,335 km (0.034 R)
• M27: 76,685,813 km (0.098 R)
• M28: 77,172,605 km (0.041 R)
• M29: 84,724,604 km (0.083 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 12,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit