🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.49 AU - 0.65 AU

Year: 163 Days

Day: 29.9 Hours

Environment

Temp: 212 °C

Axial Tilt: 65 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.63 AU - 0.85 AU

Year: 241 Days

Day: 15.6 Hours

Environment

Temp: 113 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.63 AU - 0.89 AU

Year: 251 Days

Day: 26.2 Hours

Environment

Temp: 122 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.17 AU - 1.39 AU

Year: 548 Days

Day: 44.3 Hours

Environment

Temp: -23 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,981,456 km

• M1: 83,924 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.4 AU - 1.52 AU

Year: 668 Days

Day: 45.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.65 AU - 1.99 AU

Year: 930 Days

Day: 42.4 Hours

Environment

Temp: -70 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 13.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.36 AU - 7.12 AU

Year: 5904 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,981,456 km

• M1: 170,392 km (0.062 R)
• M2: 1,023,100 km (0.115 R)
• M3: 1,990,998 km (0.068 R)
• M4: 2,457,145 km (0.111 R)
• M5: 3,392,581 km (0.078 R)
• M6: 7,309,202 km (0.098 R)
• M7: 10,219,928 km (0.111 R)
• M8: 10,787,203 km (0.109 R)
• M9: 15,921,402 km (0.107 R)
• M10: 17,141,074 km (0.105 R)
• M11: 17,605,725 km (0.095 R)
• M12: 19,693,512 km (0.102 R)
• M13: 21,250,078 km (0.094 R)
• M14: 21,941,669 km (0.112 R)
• M15: 27,481,129 km (0.081 R)
• M16: 29,993,775 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 14.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.92 AU - 12.08 AU

Year: 11977 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,981,456 km

• M1: 195,375 km (0.112 R)
• M2: 671,694 km (0.074 R)
• M3: 1,205,310 km (0.069 R)
• M4: 2,031,689 km (0.029 R)
• M5: 2,791,945 km (0.064 R)
• M6: 3,391,384 km (0.101 R)
• M7: 4,253,965 km (0.083 R)
• M8: 5,912,108 km (0.095 R)
• M9: 7,164,092 km (0.096 R)
• M10: 7,693,968 km (0.112 R)
• M11: 8,345,168 km (0.058 R)
• M12: 10,190,308 km (0.054 R)
• M13: 11,803,571 km (0.038 R)
• M14: 13,186,454 km (0.111 R)
• M15: 14,815,425 km (0.118 R)
• M16: 18,307,339 km (0.053 R)
• M17: 20,244,332 km (0.045 R)
• M18: 22,688,761 km (0.12 R)
• M19: 23,738,938 km (0.11 R)
• M20: 24,325,362 km (0.091 R)
• M21: 29,594,648 km (0.116 R)
• M22: 31,429,765 km (0.116 R)
• M23: 34,447,602 km (0.097 R)
• M24: 39,397,198 km (0.11 R)
• M25: 52,475,193 km (0.109 R)
• M26: 59,893,752 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 10,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit