🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.44 AU - 0.72 AU

Year: 188 Days

Day: 44.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.71 AU - 0.75 AU

Year: 265 Days

Day: 38.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.72 AU - 0.94 AU

Year: 321 Days

Day: 32.8 Hours

Environment

Temp: -30 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.14 AU - 1.36 AU

Year: 593 Days

Day: 24.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.33 AU - 2.61 AU

Year: 1648 Days

Day: 15 Hours

Environment

Temp: -122 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.17 AU - 2.83 AU

Year: 1678 Days

Day: 29.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,764,329 km

• M1: 55,650 km (0.104 R)
• M2: 1,102,387 km (0.099 R)

Asteroid Belt

Center: 3.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 10.4

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.38 AU - 4.62 AU

Year: 4053 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,764,329 km

• M1: 129,402 km (0.052 R)
• M2: 532,120 km (0.09 R)
• M3: 904,319 km (0.077 R)
• M4: 1,276,070 km (0.11 R)
• M5: 2,017,178 km (0.073 R)
• M6: 2,718,941 km (0.059 R)
• M7: 3,596,931 km (0.095 R)
• M8: 3,988,279 km (0.087 R)
• M9: 5,119,838 km (0.108 R)
• M10: 6,025,204 km (0.054 R)
• M11: 6,422,237 km (0.104 R)
• M12: 6,967,820 km (0.062 R)
• M13: 7,684,095 km (0.07 R)
• M14: 8,599,933 km (0.076 R)
• M15: 9,383,826 km (0.111 R)
• M16: 9,834,863 km (0.058 R)
• M17: 13,981,267 km (0.087 R)
• M18: 15,120,006 km (0.104 R)
• M19: 18,330,825 km (0.113 R)
• M20: 20,984,093 km (0.066 R)
• M21: 21,898,884 km (0.09 R)
• M22: 24,034,992 km (0.118 R)
• M23: 25,586,921 km (0.107 R)
• M24: 27,039,666 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.9

Radius: 3.1

Gravity: 28.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 10.81 AU - 11.69 AU

Year: 16021 Days

Day: 15.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,764,329 km

• M1: 38,596 km (0.105 R)
• M2: 214,523 km (0.061 R)
• M3: 828,323 km (0.093 R)
• M4: 1,405,921 km (0.111 R)
• M5: 2,176,499 km (0.1 R)
• M6: 6,737,140 km (0.116 R)
• M7: 6,932,964 km (0.113 R)
• M8: 8,233,119 km (0.09 R)
• M9: 18,328,432 km (0.094 R)
• M10: 19,252,947 km (0.114 R)
• M11: 24,621,566 km (0.116 R)
• M12: 28,298,532 km (0.102 R)
• M13: 39,180,281 km (0.097 R)
• M14: 39,685,772 km (0.107 R)
• M15: 46,518,505 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.3

Radius: 6.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 10.61 AU - 14.77 AU

Year: 19194 Days

Day: 21.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,764,329 km

• M1: 80,783 km (0.09 R)
• M2: 340,186 km (0.065 R)
• M3: 894,894 km (0.081 R)
• M4: 1,632,412 km (0.102 R)
• M5: 2,063,852 km (0.098 R)
• M6: 2,445,476 km (0.054 R)
• M7: 2,828,297 km (0.041 R)
• M8: 4,103,320 km (0.063 R)
• M9: 4,308,419 km (0.089 R)
• M10: 4,644,415 km (0.044 R)
• M11: 4,867,167 km (0.098 R)
• M12: 5,794,524 km (0.085 R)
• M13: 7,081,664 km (0.11 R)
• M14: 9,378,739 km (0.091 R)
• M15: 12,800,641 km (0.116 R)
• M16: 14,822,755 km (0.046 R)
• M17: 16,454,120 km (0.106 R)
• M18: 17,580,293 km (0.095 R)
• M19: 18,044,794 km (0.105 R)
• M20: 28,183,940 km (0.027 R)
• M21: 30,452,741 km (0.041 R)
• M22: 32,145,890 km (0.084 R)
• M23: 38,113,498 km (0.104 R)
• M24: 41,424,698 km (0.073 R)
• M25: 44,492,950 km (0.093 R)
• M26: 45,790,562 km (0.047 R)
• M27: 46,965,055 km (0.025 R)
• M28: 50,143,561 km (0.06 R)
• M29: 50,920,871 km (0.091 R)
• M30: 52,979,488 km (0.075 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: 170 - 11,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit