🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.52 AU - 0.68 AU

Year: 163 Days

Day: 43.3 Hours

Environment

Temp: 228 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.76 AU - 1.9 AU

Year: 870 Days

Day: 24.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.71 AU - 2.87 AU

Year: 1638 Days

Day: 45.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.65 AU - 4.51 AU

Year: 2896 Days

Day: 44.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.05 AU - 5.59 AU

Year: 3719 Days

Day: 38 Hours

Environment

Temp: -121 °C

Axial Tilt: 117.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,490,188 km

• M1: 2,928,528 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.07 AU - 6.25 AU

Year: 4120 Days

Day: 20.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.2

Radius: 8.1

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.91 AU - 6.93 AU

Year: 5062 Days

Day: 11.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,490,188 km

• M1: 100,679 km (0.115 R)
• M2: 400,324 km (0.03 R)
• M3: 702,661 km (0.094 R)
• M4: 1,131,110 km (0.106 R)
• M5: 1,820,307 km (0.084 R)
• M6: 2,379,504 km (0.078 R)
• M7: 2,708,619 km (0.105 R)
• M8: 3,269,910 km (0.09 R)
• M9: 3,768,370 km (0.032 R)
• M10: 11,148,632 km (0.115 R)
• M11: 12,684,703 km (0.077 R)
• M12: 15,216,497 km (0.078 R)
• M13: 16,293,003 km (0.116 R)
• M14: 18,198,581 km (0.088 R)
• M15: 19,410,773 km (0.071 R)
• M16: 25,207,690 km (0.117 R)
• M17: 28,720,098 km (0.1 R)
• M18: 32,351,736 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.6

Radius: 7.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 16.21 AU - 18.57 AU

Year: 25488 Days

Day: 23.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,490,188 km

• M1: 90,806 km (0.103 R)
• M2: 321,935 km (0.104 R)
• M3: 782,546 km (0.044 R)
• M4: 1,042,248 km (0.108 R)
• M5: 1,586,635 km (0.088 R)
• M6: 1,974,991 km (0.111 R)
• M7: 2,425,580 km (0.107 R)
• M8: 2,851,635 km (0.056 R)
• M9: 3,770,914 km (0.079 R)
• M10: 4,343,574 km (0.069 R)
• M11: 6,769,453 km (0.092 R)
• M12: 7,057,280 km (0.097 R)
• M13: 7,746,327 km (0.05 R)
• M14: 11,353,282 km (0.113 R)
• M15: 11,584,710 km (0.031 R)
• M16: 14,887,382 km (0.113 R)
• M17: 18,053,621 km (0.101 R)
• M18: 23,838,421 km (0.077 R)
• M19: 24,122,956 km (0.08 R)
• M20: 26,179,029 km (0.11 R)
• M21: 29,314,750 km (0.052 R)
• M22: 30,636,298 km (0.072 R)
• M23: 38,882,880 km (0.102 R)
• M24: 39,674,552 km (0.109 R)
• M25: 40,746,720 km (0.105 R)
• M26: 41,290,059 km (0.114 R)
• M27: 46,104,568 km (0.089 R)
• M28: 54,663,361 km (0.115 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 16,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit