🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.13 AU - 1.25 AU

Year: 469 Days

Day: 16.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.71 AU - 1.93 AU

Year: 888 Days

Day: 31.6 Hours

Environment

Temp: -56 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,903,301 km

• M1: 49,966 km (0.067 R)
• M2: 165,455 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.42 AU - 2.54 AU

Year: 1412 Days

Day: 18 Hours

Environment

Temp: -81 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.93 AU - 5.91 AU

Year: 3947 Days

Day: 41.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 10.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.12 AU - 14.6 AU

Year: 14771 Days

Day: 12.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,903,301 km

• M1: 131,796 km (0.075 R)
• M2: 842,535 km (0.108 R)
• M3: 1,861,297 km (0.108 R)
• M4: 2,564,855 km (0.091 R)
• M5: 3,201,993 km (0.086 R)
• M6: 3,733,813 km (0.089 R)
• M7: 4,408,649 km (0.115 R)
• M8: 6,071,729 km (0.117 R)
• M9: 8,031,311 km (0.12 R)
• M10: 10,534,084 km (0.054 R)
• M11: 14,452,949 km (0.068 R)
• M12: 19,326,998 km (0.035 R)
• M13: 21,168,547 km (0.045 R)
• M14: 27,098,308 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.9

Radius: 3.4

Gravity: 55.35 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 11.79 AU - 17.61 AU

Year: 20383 Days

Day: 15 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,903,301 km

• M1: 102,774 km (0.105 R)
• M2: 425,307 km (0.066 R)
• M3: 662,868 km (0.103 R)
• M4: 1,006,943 km (0.108 R)
• M5: 1,785,002 km (0.069 R)
• M6: 4,542,539 km (0.071 R)
• M7: 8,472,625 km (0.09 R)
• M8: 9,228,842 km (0.084 R)
• M9: 9,680,628 km (0.066 R)
• M10: 10,998,585 km (0.06 R)
• M11: 12,912,540 km (0.071 R)
• M12: 15,191,813 km (0.062 R)
• M13: 15,504,174 km (0.054 R)
• M14: 17,554,113 km (0.057 R)
• M15: 24,881,716 km (0.116 R)
• M16: 24,989,726 km (0.107 R)
• M17: 30,425,963 km (0.111 R)
• M18: 37,301,780 km (0.073 R)
• M19: 37,869,953 km (0.078 R)
• M20: 40,051,688 km (0.081 R)
• M21: 56,774,785 km (0.076 R)
• M22: 58,474,666 km (0.119 R)
• M23: 60,208,356 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.9

Radius: 3.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 14.81 AU - 19.27 AU

Year: 25439 Days

Day: 17.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,903,301 km

• M1: 86,916 km (0.049 R)
• M2: 1,618,499 km (0.103 R)
• M3: 2,611,231 km (0.094 R)
• M4: 3,075,882 km (0.117 R)
• M5: 3,327,954 km (0.119 R)
• M6: 5,329,574 km (0.101 R)
• M7: 8,314,350 km (0.108 R)
• M8: 15,363,103 km (0.094 R)
• M9: 16,923,409 km (0.068 R)
• M10: 20,753,713 km (0.113 R)
• M11: 26,327,879 km (0.118 R)
• M12: 35,739,231 km (0.11 R)
• M13: 36,202,834 km (0.103 R)
• M14: 44,042,660 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.4

Radius: 4.7

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 17.31 AU - 22.35 AU

Year: 31936 Days

Day: 16.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,903,301 km

• M1: 59,091 km (0.071 R)
• M2: 210,484 km (0.095 R)
• M3: 455,226 km (0.101 R)
• M4: 1,209,648 km (0.041 R)
• M5: 1,454,690 km (0.098 R)
• M6: 2,118,306 km (0.093 R)
• M7: 2,496,340 km (0.093 R)
• M8: 4,754,520 km (0.118 R)
• M9: 5,019,607 km (0.088 R)
• M10: 5,799,760 km (0.041 R)
• M11: 6,535,931 km (0.077 R)
• M12: 7,913,578 km (0.092 R)
• M13: 8,333,499 km (0.085 R)
• M14: 8,621,624 km (0.072 R)
• M15: 10,546,949 km (0.107 R)
• M16: 11,520,682 km (0.097 R)
• M17: 13,711,542 km (0.077 R)
• M18: 16,916,378 km (0.086 R)
• M19: 19,561,118 km (0.066 R)
• M20: 24,755,755 km (0.119 R)
• M21: 24,953,074 km (0.062 R)
• M22: 27,826,850 km (0.102 R)
• M23: 33,977,267 km (0.111 R)
• M24: 47,189,302 km (0.103 R)
• M25: 55,507,692 km (0.104 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 13,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit