🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.5 AU - 0.54 AU

Year: 135 Days

Day: 31.1 Hours

Environment

Temp: 195 °C

Axial Tilt: 175.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.55 AU - 0.65 AU

Year: 167 Days

Day: 47.4 Hours

Environment

Temp: 170 °C

Axial Tilt: 59.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.04 AU - 1.16 AU

Year: 415 Days

Day: 14.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.15 AU - 1.83 AU

Year: 655 Days

Day: 28.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 14.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.31 AU - 5.85 AU

Year: 4121 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,229,832 km

• M1: 184,903 km (0.08 R)
• M2: 698,323 km (0.065 R)
• M3: 1,204,562 km (0.025 R)
• M4: 2,139,698 km (0.1 R)
• M5: 2,835,478 km (0.094 R)
• M6: 3,325,860 km (0.105 R)
• M7: 4,702,908 km (0.107 R)
• M8: 7,359,916 km (0.12 R)
• M9: 9,339,993 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 12.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.44 AU - 7 AU

Year: 4923 Days

Day: 5 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,229,832 km

• M1: 153,039 km (0.103 R)
• M2: 613,950 km (0.036 R)
• M3: 1,004,251 km (0.115 R)
• M4: 1,943,576 km (0.092 R)
• M5: 2,353,474 km (0.055 R)
• M6: 3,101,613 km (0.094 R)
• M7: 5,835,215 km (0.115 R)
• M8: 9,353,756 km (0.057 R)
• M9: 12,403,159 km (0.08 R)
• M10: 13,917,539 km (0.067 R)
• M11: 14,697,243 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.3

Radius: 13.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.42 AU - 10.98 AU

Year: 12596 Days

Day: 5.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,229,832 km

• M1: 171,589 km (0.091 R)
• M2: 915,240 km (0.117 R)
• M3: 1,428,809 km (0.119 R)
• M4: 1,888,524 km (0.051 R)
• M5: 2,703,084 km (0.098 R)
• M6: 3,242,085 km (0.08 R)
• M7: 6,557,174 km (0.113 R)
• M8: 7,100,663 km (0.108 R)
• M9: 7,719,400 km (0.117 R)
• M10: 8,278,297 km (0.069 R)
• M11: 10,562,806 km (0.044 R)
• M12: 11,194,109 km (0.074 R)
• M13: 13,571,070 km (0.09 R)
• M14: 15,745,625 km (0.082 R)
• M15: 17,423,814 km (0.088 R)
• M16: 19,814,537 km (0.064 R)
• M17: 20,687,441 km (0.093 R)
• M18: 21,494,820 km (0.106 R)
• M19: 26,787,593 km (0.091 R)
• M20: 28,071,741 km (0.078 R)
• M21: 30,762,708 km (0.058 R)
• M22: 31,227,359 km (0.082 R)
• M23: 34,989,147 km (0.118 R)
• M24: 35,622,843 km (0.073 R)
• M25: 36,264,319 km (0.033 R)
• M26: 36,782,975 km (0.077 R)
• M27: 40,414,762 km (0.063 R)
• M28: 48,854,177 km (0.079 R)
• M29: 50,769,329 km (0.118 R)
• M30: 54,579,138 km (0.097 R)
• M31: 57,164,039 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.7

Radius: 5.4

Gravity: 18.06 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 15.04 AU - 22.66 AU

Year: 29454 Days

Day: 17.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,229,832 km

• M1: 67,169 km (0.096 R)
• M2: 274,512 km (0.094 R)
• M3: 450,439 km (0.036 R)
• M4: 766,988 km (0.104 R)
• M5: 1,783,356 km (0.106 R)
• M6: 2,453,255 km (0.085 R)
• M7: 3,105,502 km (0.073 R)
• M8: 5,293,072 km (0.055 R)
• M9: 6,372,570 km (0.041 R)
• M10: 6,699,591 km (0.081 R)
• M11: 7,086,750 km (0.111 R)
• M12: 9,249,936 km (0.075 R)
• M13: 11,748,070 km (0.101 R)
• M14: 12,744,691 km (0.073 R)
• M15: 16,071,449 km (0.082 R)
• M16: 18,584,693 km (0.07 R)
• M17: 19,155,409 km (0.05 R)
• M18: 22,291,579 km (0.119 R)
• M19: 25,870,857 km (0.106 R)
• M20: 27,063,452 km (0.116 R)
• M21: 29,429,641 km (0.067 R)
• M22: 33,301,234 km (0.113 R)
• M23: 33,720,258 km (0.1 R)
• M24: 37,800,988 km (0.073 R)
• M25: 39,802,907 km (0.108 R)
• M26: 44,184,030 km (0.093 R)
• M27: 44,689,970 km (0.094 R)
• M28: 52,747,162 km (0.105 R)
• M29: 53,316,232 km (0.1 R)
• M30: 76,156,237 km (0.066 R)
• M31: 81,595,017 km (0.112 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 12,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit