🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.4 AU - 0.66 AU

Year: 140 Days

Day: 47.5 Hours

Environment

Temp: 188 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.6 AU - 0.84 AU

Year: 221 Days

Day: 24.9 Hours

Environment

Temp: 120 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,080,124 km

• M1: 369,507 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.75 AU - 1.09 AU

Year: 319 Days

Day: 42.4 Hours

Environment

Temp: 107 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.3 AU - 1.62 AU

Year: 638 Days

Day: 41.2 Hours

Environment

Temp: -32 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.64 AU - 4.6 AU

Year: 3024 Days

Day: 33.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824

Radius: 3.9

Gravity: 54.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 15.33 AU - 18.25 AU

Year: 24881 Days

Day: 21.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 102,080,124 km

• M1: 48,919 km (0.074 R)
• M2: 339,587 km (0.119 R)
• M3: 492,027 km (0.097 R)
• M4: 1,004,400 km (0.086 R)
• M5: 3,260,037 km (0.063 R)
• M6: 4,269,523 km (0.11 R)
• M7: 6,126,182 km (0.112 R)
• M8: 6,402,490 km (0.103 R)
• M9: 6,735,195 km (0.079 R)
• M10: 6,930,421 km (0.088 R)
• M11: 7,179,651 km (0.071 R)
• M12: 8,017,847 km (0.041 R)
• M13: 9,515,771 km (0.119 R)
• M14: 9,699,776 km (0.098 R)
• M15: 14,944,229 km (0.091 R)
• M16: 16,041,978 km (0.057 R)
• M17: 18,396,649 km (0.095 R)
• M18: 18,778,273 km (0.082 R)
• M19: 19,954,710 km (0.07 R)
• M20: 20,663,056 km (0.105 R)
• M21: 21,075,348 km (0.116 R)
• M22: 21,704,108 km (0.12 R)
• M23: 22,888,923 km (0.066 R)
• M24: 23,553,138 km (0.047 R)
• M25: 25,386,759 km (0.117 R)
• M26: 26,098,246 km (0.116 R)
• M27: 29,725,396 km (0.11 R)
• M28: 31,863,449 km (0.088 R)
• M29: 41,768,473 km (0.075 R)
• M30: 46,349,908 km (0.037 R)
• M31: 49,951,627 km (0.038 R)
• M32: 53,541,826 km (0.111 R)
• M33: 56,494,738 km (0.093 R)
• M34: 66,894,782 km (0.032 R)
• M35: 67,119,329 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.6

Radius: 3.8

Gravity: 54.27 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 17.82 AU - 19.42 AU

Year: 29058 Days

Day: 18 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 102,080,124 km

• M1: 47,423 km (0.12 R)
• M2: 172,187 km (0.1 R)
• M3: 497,263 km (0.12 R)
• M4: 992,133 km (0.081 R)
• M5: 1,422,825 km (0.114 R)
• M6: 1,882,240 km (0.084 R)
• M7: 2,720,288 km (0.051 R)
• M8: 3,175,963 km (0.034 R)
• M9: 4,689,744 km (0.106 R)
• M10: 5,961,176 km (0.026 R)
• M11: 7,339,870 km (0.104 R)
• M12: 7,769,814 km (0.074 R)
• M13: 8,273,361 km (0.097 R)
• M14: 9,914,150 km (0.084 R)
• M15: 10,174,301 km (0.065 R)
• M16: 14,229,001 km (0.1 R)
• M17: 15,323,759 km (0.043 R)
• M18: 18,255,428 km (0.089 R)
• M19: 23,435,254 km (0.114 R)
• M20: 26,920,137 km (0.025 R)
• M21: 35,044,498 km (0.102 R)
• M22: 45,727,132 km (0.042 R)
• M23: 53,273,747 km (0.115 R)
• M24: 64,044,494 km (0.106 R)
• M25: 77,954,702 km (0.117 R)
• M26: 87,804,226 km (0.112 R)
• M27: 101,469,094 km (0.105 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 15,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit