🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.47 AU - 0.59 AU

Year: 143 Days

Day: 21.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 20.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.76 AU - 0.82 AU

Year: 260 Days

Day: 29.3 Hours

Environment

Temp: 109 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,785,796 km

• M1: 190,737 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.13 AU - 1.15 AU

Year: 451 Days

Day: 25.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.98 AU - 1.36 AU

Year: 469 Days

Day: 17.5 Hours

Environment

Temp: -12 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.35 AU - 1.47 AU

Year: 621 Days

Day: 15.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,785,796 km

• M1: 58,942 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.74 AU - 2.52 AU

Year: 1153 Days

Day: 27.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.41 AU - 3.59 AU

Year: 2428 Days

Day: 12 Hours

Environment

Temp: -128 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 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: 181.7

Radius: 9.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.27 AU - 7.55 AU

Year: 6736 Days

Day: 8.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,785,796 km

• M1: 123,119 km (0.102 R)
• M2: 566,228 km (0.112 R)
• M3: 969,245 km (0.096 R)
• M4: 1,498,372 km (0.079 R)
• M5: 2,128,628 km (0.078 R)
• M6: 2,444,728 km (0.053 R)
• M7: 2,792,543 km (0.12 R)
• M8: 3,529,911 km (0.072 R)
• M9: 4,983,105 km (0.082 R)
• M10: 5,336,754 km (0.119 R)
• M11: 5,870,968 km (0.049 R)
• M12: 7,267,764 km (0.065 R)
• M13: 12,542,585 km (0.046 R)
• M14: 15,308,051 km (0.099 R)
• M15: 17,001,798 km (0.086 R)
• M16: 20,436,416 km (0.079 R)
• M17: 21,743,751 km (0.107 R)
• M18: 22,967,312 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 11.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.13 AU - 9.67 AU

Year: 9029 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,785,796 km

• M1: 144,362 km (0.117 R)
• M2: 701,016 km (0.1 R)
• M3: 1,259,614 km (0.09 R)
• M4: 2,520,874 km (0.097 R)
• M5: 3,310,900 km (0.094 R)
• M6: 3,860,074 km (0.081 R)
• M7: 4,447,844 km (0.096 R)
• M8: 5,259,861 km (0.099 R)
• M9: 5,854,363 km (0.052 R)
• M10: 6,275,182 km (0.12 R)
• M11: 7,207,476 km (0.087 R)
• M12: 7,568,605 km (0.046 R)
• M13: 10,033,529 km (0.094 R)
• M14: 10,484,716 km (0.094 R)
• M15: 12,341,076 km (0.043 R)
• M16: 15,672,322 km (0.065 R)
• M17: 17,436,380 km (0.069 R)
• M18: 18,872,071 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.7

Radius: 3.3

Gravity: 49.56 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 17 AU - 19.88 AU

Year: 29366 Days

Day: 22.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,785,796 km

• M1: 67,169 km (0.08 R)
• M2: 190,139 km (0.092 R)
• M3: 1,007,242 km (0.061 R)
• M4: 1,654,403 km (0.04 R)
• M5: 1,867,131 km (0.052 R)
• M6: 7,666,143 km (0.072 R)
• M7: 9,462,365 km (0.089 R)
• M8: 11,797,438 km (0.068 R)
• M9: 12,078,382 km (0.066 R)
• M10: 12,363,815 km (0.05 R)
• M11: 13,097,144 km (0.117 R)
• M12: 25,775,713 km (0.052 R)
• M13: 29,464,348 km (0.1 R)
• M14: 34,908,813 km (0.115 R)
• M15: 48,804,361 km (0.098 R)
• M16: 49,165,041 km (0.067 R)
• M17: 49,346,204 km (0.092 R)
• M18: 50,995,670 km (0.118 R)
• M19: 52,492,397 km (0.116 R)
• M20: 53,442,493 km (0.091 R)
• M21: 61,041,616 km (0.099 R)
• M22: 63,368,611 km (0.102 R)
• M23: 66,414,723 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 17,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit