🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.68 AU - 0.78 AU

Year: 233 Days

Day: 12.1 Hours

Environment

Temp: 104 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,987,151 km

• M1: 153,637 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.96 AU - 1.22 AU

Year: 424 Days

Day: 13.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.66 AU - 2.46 AU

Year: 1102 Days

Day: 12.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,987,151 km

• M1: 989,889 km (0.026 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.49 AU - 4.75 AU

Year: 3117 Days

Day: 40.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.31 AU - 5.15 AU

Year: 3243 Days

Day: 38.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,987,151 km

• M1: 28,723 km (0.04 R)
• M2: 1,787,695 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 14

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.22 AU - 6.44 AU

Year: 4587 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,987,151 km

• M1: 177,573 km (0.11 R)
• M2: 812,316 km (0.03 R)
• M3: 2,150,619 km (0.091 R)
• M4: 2,738,539 km (0.112 R)
• M5: 3,549,808 km (0.1 R)
• M6: 4,045,126 km (0.061 R)
• M7: 4,777,857 km (0.106 R)
• M8: 5,253,728 km (0.092 R)
• M9: 5,956,538 km (0.066 R)
• M10: 7,517,592 km (0.102 R)
• M11: 8,447,493 km (0.09 R)
• M12: 9,491,387 km (0.062 R)
• M13: 13,532,474 km (0.112 R)
• M14: 15,548,604 km (0.114 R)
• M15: 18,783,808 km (0.048 R)
• M16: 20,428,636 km (0.11 R)
• M17: 21,622,427 km (0.081 R)
• M18: 24,661,957 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 8.4

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 9.62 AU - 13.92 AU

Year: 15053 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,987,151 km

• M1: 104,419 km (0.117 R)
• M2: 871,408 km (0.079 R)
• M3: 1,369,269 km (0.073 R)
• M4: 2,205,372 km (0.097 R)
• M5: 3,274,697 km (0.072 R)
• M6: 3,937,416 km (0.069 R)
• M7: 5,841,049 km (0.106 R)
• M8: 6,893,171 km (0.034 R)
• M9: 7,464,186 km (0.083 R)
• M10: 8,562,085 km (0.109 R)
• M11: 11,858,174 km (0.086 R)
• M12: 13,101,782 km (0.084 R)
• M13: 13,786,790 km (0.093 R)
• M14: 15,707,178 km (0.042 R)
• M15: 16,623,315 km (0.066 R)
• M16: 22,265,399 km (0.12 R)
• M17: 22,971,651 km (0.055 R)
• M18: 23,601,757 km (0.075 R)
• M19: 28,545,817 km (0.111 R)
• M20: 39,516,278 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.4

Radius: 4.8

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 11.01 AU - 13.33 AU

Year: 15827 Days

Day: 23.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 87.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,987,151 km

• M1: 59,690 km (0.118 R)
• M2: 295,157 km (0.07 R)
• M3: 454,778 km (0.117 R)
• M4: 689,646 km (0.075 R)
• M5: 1,571,974 km (0.064 R)
• M6: 1,926,821 km (0.105 R)
• M7: 2,773,545 km (0.096 R)
• M8: 3,411,430 km (0.111 R)
• M9: 4,940,918 km (0.109 R)
• M10: 5,872,764 km (0.077 R)
• M11: 6,305,849 km (0.025 R)
• M12: 7,564,716 km (0.086 R)
• M13: 8,567,021 km (0.09 R)
• M14: 10,308,789 km (0.066 R)
• M15: 11,099,564 km (0.097 R)
• M16: 11,648,737 km (0.107 R)
• M17: 14,539,118 km (0.061 R)
• M18: 15,263,022 km (0.087 R)
• M19: 16,782,188 km (0.078 R)
• M20: 17,431,892 km (0.1 R)
• M21: 19,638,909 km (0.098 R)
• M22: 19,957,254 km (0.044 R)
• M23: 20,604,264 km (0.081 R)
• M24: 25,719,464 km (0.111 R)
• M25: 27,069,735 km (0.111 R)
• M26: 30,015,616 km (0.089 R)
• M27: 32,832,394 km (0.107 R)
• M28: 33,168,391 km (0.103 R)
• M29: 42,462,907 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 12,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit