🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.66 AU - 0.84 AU

Year: 294 Days

Day: 13 Hours

Environment

Temp: -34 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.85 AU - 1.21 AU

Year: 474 Days

Day: 44.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,319,155 km

• M1: 238,160 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.04 AU - 1.24 AU

Year: 551 Days

Day: 25.1 Hours

Environment

Temp: -78 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.03 AU - 1.41 AU

Year: 610 Days

Day: 31.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,319,155 km

• M1: 671,246 km (0.092 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.1

Radius: 9

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.96 AU - 4.26 AU

Year: 3107 Days

Day: 13.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,319,155 km

• M1: 112,049 km (0.056 R)
• M2: 958,025 km (0.071 R)
• M3: 1,308,084 km (0.119 R)
• M4: 1,595,760 km (0.068 R)
• M5: 2,508,457 km (0.063 R)
• M6: 3,557,886 km (0.089 R)
• M7: 3,896,875 km (0.057 R)
• M8: 5,144,820 km (0.106 R)
• M9: 5,738,874 km (0.109 R)
• M10: 8,406,802 km (0.111 R)
• M11: 9,304,988 km (0.029 R)
• M12: 10,506,109 km (0.109 R)
• M13: 12,747,983 km (0.077 R)
• M14: 14,029,588 km (0.087 R)
• M15: 14,525,504 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.1

Radius: 13.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.88 AU - 4.94 AU

Year: 4196 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,319,155 km

• M1: 167,998 km (0.118 R)
• M2: 594,352 km (0.072 R)
• M3: 1,291,478 km (0.073 R)
• M4: 1,989,203 km (0.115 R)
• M5: 3,491,166 km (0.114 R)
• M6: 3,931,282 km (0.109 R)
• M7: 4,450,237 km (0.07 R)
• M8: 6,475,045 km (0.078 R)
• M9: 8,139,620 km (0.104 R)
• M10: 8,819,692 km (0.112 R)
• M11: 9,259,510 km (0.117 R)
• M12: 10,368,030 km (0.05 R)
• M13: 12,848,064 km (0.085 R)
• M14: 13,547,434 km (0.1 R)
• M15: 16,653,385 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 14.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.44 AU - 5.44 AU

Year: 4238 Days

Day: 12.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 117 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,319,155 km

• M1: 182,509 km (0.052 R)
• M2: 701,165 km (0.116 R)
• M3: 1,303,895 km (0.113 R)
• M4: 1,863,092 km (0.088 R)
• M5: 2,947,377 km (0.088 R)
• M6: 3,622,512 km (0.12 R)
• M7: 4,199,960 km (0.055 R)
• M8: 5,807,539 km (0.085 R)
• M9: 6,338,611 km (0.098 R)
• M10: 7,125,347 km (0.062 R)
• M11: 8,099,229 km (0.056 R)
• M12: 8,634,490 km (0.055 R)
• M13: 9,776,670 km (0.08 R)
• M14: 10,753,544 km (0.041 R)
• M15: 12,817,396 km (0.069 R)
• M16: 13,898,689 km (0.089 R)
• M17: 14,760,523 km (0.114 R)
• M18: 15,802,621 km (0.074 R)
• M19: 16,490,921 km (0.049 R)
• M20: 17,045,780 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.9

Radius: 7.9

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 10.19 AU - 12.97 AU

Year: 17852 Days

Day: 21.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,319,155 km

• M1: 99,632 km (0.118 R)
• M2: 764,744 km (0.081 R)
• M3: 1,824,196 km (0.04 R)
• M4: 2,550,195 km (0.041 R)
• M5: 3,878,474 km (0.102 R)
• M6: 4,593,403 km (0.116 R)
• M7: 5,466,755 km (0.071 R)
• M8: 5,884,432 km (0.118 R)
• M9: 6,571,535 km (0.083 R)
• M10: 7,631,287 km (0.106 R)
• M11: 8,398,424 km (0.082 R)
• M12: 9,268,785 km (0.057 R)
• M13: 10,029,640 km (0.115 R)
• M14: 12,692,482 km (0.092 R)
• M15: 15,269,155 km (0.07 R)
• M16: 16,406,548 km (0.067 R)
• M17: 20,245,977 km (0.12 R)
• M18: 24,441,749 km (0.111 R)
• M19: 25,679,372 km (0.096 R)
• M20: 26,958,284 km (0.105 R)
• M21: 27,723,477 km (0.076 R)
• M22: 28,615,829 km (0.093 R)
• M23: 29,412,138 km (0.117 R)
• M24: 33,491,373 km (0.091 R)
• M25: 35,405,178 km (0.106 R)
• M26: 37,796,500 km (0.037 R)
• M27: 38,068,769 km (0.1 R)
• M28: 39,589,281 km (0.072 R)
• M29: 45,000,535 km (0.08 R)
• M30: 46,856,297 km (0.051 R)
• M31: 49,246,871 km (0.119 R)
• M32: 49,897,771 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 12,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit