🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.42 AU - 0.6 AU

Year: 140 Days

Day: 45.5 Hours

Environment

Temp: 142 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,895,016 km

• M1: 85,869 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.49 AU - 0.55 AU

Year: 144 Days

Day: 25.1 Hours

Environment

Temp: 129 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.53 AU - 0.65 AU

Year: 174 Days

Day: 16.9 Hours

Environment

Temp: 114 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,895,016 km

• M1: 338,989 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.53 AU - 0.73 AU

Year: 193 Days

Day: 22.4 Hours

Environment

Temp: 154 °C

Axial Tilt: 76 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,895,016 km

• M1: 239,955 km (0.045 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.81 AU - 1.09 AU

Year: 356 Days

Day: 37.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.32 AU - 1.9 AU

Year: 787 Days

Day: 45.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.14 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 9.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.36 AU - 4.98 AU

Year: 3885 Days

Day: 8.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,895,016 km

• M1: 121,922 km (0.115 R)
• M2: 431,440 km (0.08 R)
• M3: 942,915 km (0.084 R)
• M4: 1,457,532 km (0.027 R)
• M5: 2,125,187 km (0.099 R)
• M6: 2,770,553 km (0.074 R)
• M7: 3,428,484 km (0.087 R)
• M8: 3,957,013 km (0.087 R)
• M9: 4,606,866 km (0.107 R)
• M10: 6,660,546 km (0.114 R)
• M11: 7,295,888 km (0.113 R)
• M12: 7,937,962 km (0.049 R)
• M13: 11,598,921 km (0.081 R)
• M14: 14,011,935 km (0.068 R)
• M15: 14,353,916 km (0.091 R)
• M16: 16,308,561 km (0.069 R)
• M17: 17,630,707 km (0.118 R)
• M18: 18,551,034 km (0.069 R)
• M19: 20,928,293 km (0.052 R)
• M20: 21,633,797 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 10.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.83 AU - 5.35 AU

Year: 4421 Days

Day: 9 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,895,016 km

• M1: 130,749 km (0.099 R)
• M2: 710,440 km (0.111 R)
• M3: 1,047,484 km (0.107 R)
• M4: 1,494,782 km (0.055 R)
• M5: 2,914,316 km (0.104 R)
• M6: 3,370,590 km (0.08 R)
• M7: 4,165,702 km (0.111 R)
• M8: 4,516,958 km (0.091 R)
• M9: 6,552,686 km (0.106 R)
• M10: 8,462,004 km (0.062 R)
• M11: 9,173,641 km (0.107 R)
• M12: 9,886,325 km (0.101 R)
• M13: 10,355,165 km (0.112 R)
• M14: 10,716,443 km (0.068 R)
• M15: 15,370,732 km (0.084 R)
• M16: 18,341,148 km (0.119 R)
• M17: 19,350,485 km (0.112 R)
• M18: 21,414,786 km (0.084 R)

Asteroid Belt

Center: 6.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 10.9

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.24 AU - 8.76 AU

Year: 9541 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,895,016 km

• M1: 135,536 km (0.082 R)
• M2: 484,248 km (0.116 R)
• M3: 1,161,627 km (0.066 R)
• M4: 1,867,580 km (0.056 R)
• M5: 2,554,683 km (0.086 R)
• M6: 3,261,383 km (0.099 R)
• M7: 5,685,916 km (0.095 R)
• M8: 6,249,900 km (0.113 R)
• M9: 7,367,246 km (0.119 R)
• M10: 8,168,493 km (0.114 R)
• M11: 9,746,152 km (0.103 R)
• M12: 10,094,715 km (0.084 R)
• M13: 10,711,656 km (0.111 R)
• M14: 13,928,759 km (0.117 R)
• M15: 14,628,877 km (0.113 R)
• M16: 17,592,859 km (0.101 R)
• M17: 18,110,617 km (0.038 R)
• M18: 24,223,486 km (0.103 R)
• M19: 24,680,208 km (0.059 R)
• M20: 29,156,326 km (0.073 R)
• M21: 31,477,038 km (0.102 R)
• M22: 32,130,631 km (0.051 R)
• M23: 37,934,878 km (0.107 R)
• M24: 43,053,669 km (0.078 R)
• M25: 44,538,128 km (0.068 R)
• M26: 45,362,114 km (0.06 R)
• M27: 46,336,295 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 17,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit