🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.47 AU - 0.61 AU

Year: 144 Days

Day: 18.3 Hours

Environment

Temp: 164 °C

Axial Tilt: 77.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.17 AU - 1.47 AU

Year: 548 Days

Day: 24.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.47 AU - 1.71 AU

Year: 725 Days

Day: 29.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,783,199 km

• M1: 116,088 km (0.067 R)
• M2: 1,151,604 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.4 AU - 2.54 AU

Year: 1404 Days

Day: 17.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.23 AU - 4.57 AU

Year: 2785 Days

Day: 24.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 9.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.43 AU - 5.59 AU

Year: 4056 Days

Day: 5.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,783,199 km

• M1: 118,182 km (0.1 R)
• M2: 516,561 km (0.099 R)
• M3: 1,374,655 km (0.062 R)
• M4: 1,673,851 km (0.056 R)
• M5: 2,094,071 km (0.068 R)
• M6: 2,629,033 km (0.111 R)
• M7: 3,524,975 km (0.06 R)
• M8: 5,220,966 km (0.119 R)
• M9: 5,621,738 km (0.043 R)
• M10: 6,124,088 km (0.094 R)
• M11: 7,188,477 km (0.075 R)
• M12: 8,371,646 km (0.092 R)
• M13: 9,643,079 km (0.059 R)
• M14: 10,638,204 km (0.068 R)
• M15: 11,449,174 km (0.086 R)
• M16: 13,939,230 km (0.085 R)
• M17: 14,663,134 km (0.057 R)
• M18: 16,555,847 km (0.066 R)
• M19: 19,188,021 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.9

Radius: 7.3

Gravity: 15.8 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 13.7 AU - 17.26 AU

Year: 22027 Days

Day: 24.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,783,199 km

• M1: 90,956 km (0.11 R)
• M2: 360,980 km (0.105 R)
• M3: 614,249 km (0.11 R)
• M4: 1,291,179 km (0.09 R)
• M5: 2,079,710 km (0.107 R)
• M6: 2,411,817 km (0.119 R)
• M7: 2,778,930 km (0.072 R)
• M8: 4,706,349 km (0.088 R)
• M9: 5,987,954 km (0.068 R)
• M10: 6,569,890 km (0.082 R)
• M11: 8,162,359 km (0.082 R)
• M12: 9,753,632 km (0.082 R)
• M13: 9,996,579 km (0.068 R)
• M14: 11,141,002 km (0.114 R)
• M15: 14,069,381 km (0.034 R)
• M16: 14,934,655 km (0.093 R)
• M17: 15,834,785 km (0.075 R)
• M18: 16,857,586 km (0.041 R)
• M19: 19,799,428 km (0.119 R)
• M20: 22,639,843 km (0.119 R)
• M21: 23,498,834 km (0.09 R)
• M22: 24,046,511 km (0.083 R)
• M23: 33,316,792 km (0.095 R)
• M24: 33,730,281 km (0.115 R)
• M25: 38,056,651 km (0.101 R)
• M26: 39,269,740 km (0.109 R)
• M27: 39,577,014 km (0.063 R)
• M28: 49,738,749 km (0.093 R)
• M29: 52,665,631 km (0.06 R)
• M30: 53,226,922 km (0.028 R)
• M31: 54,171,334 km (0.119 R)
• M32: 57,861,764 km (0.098 R)
• M33: 61,302,963 km (0.115 R)
• M34: 63,812,468 km (0.057 R)
• M35: 65,738,989 km (0.087 R)
• M36: 70,837,733 km (0.108 R)
• M37: 83,071,249 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.1

Radius: 3.4

Gravity: 37.03 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 13.69 AU - 18.79 AU

Year: 23668 Days

Day: 19.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,783,199 km

• M1: 43,084 km (0.086 R)
• M2: 541,245 km (0.055 R)
• M3: 938,876 km (0.057 R)
• M4: 1,234,332 km (0.062 R)
• M5: 1,779,915 km (0.117 R)
• M6: 5,279,010 km (0.028 R)
• M7: 5,587,032 km (0.067 R)
• M8: 7,788,963 km (0.094 R)
• M9: 9,410,454 km (0.067 R)
• M10: 12,885,313 km (0.031 R)
• M11: 16,230,471 km (0.025 R)
• M12: 19,200,438 km (0.055 R)
• M13: 19,652,223 km (0.105 R)
• M14: 25,857,693 km (0.067 R)
• M15: 27,305,950 km (0.028 R)
• M16: 29,043,230 km (0.112 R)
• M17: 34,961,471 km (0.067 R)
• M18: 38,699,772 km (0.106 R)
• M19: 42,543,091 km (0.105 R)
• M20: 46,795,411 km (0.082 R)
• M21: 58,175,321 km (0.077 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit