🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.93 AU - 1.37 AU

Year: 453 Days

Day: 30.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.4 AU - 1.52 AU

Year: 648 Days

Day: 15.6 Hours

Environment

Temp: -34 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.31 AU - 1.77 AU

Year: 702 Days

Day: 32.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 112.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,699,771 km

• M1: 762,052 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.74 AU - 1.92 AU

Year: 909 Days

Day: 35.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.25 AU - 3.63 AU

Year: 1851 Days

Day: 41.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.11 AU - 3.73 AU

Year: 2322 Days

Day: 28.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,699,771 km

• M1: 724,203 km (0.068 R)

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 13.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.17 AU - 8.77 AU

Year: 9049 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,699,771 km

• M1: 170,691 km (0.028 R)
• M2: 649,255 km (0.062 R)
• M3: 1,258,118 km (0.107 R)
• M4: 2,659,850 km (0.114 R)
• M5: 3,660,809 km (0.12 R)
• M6: 4,566,176 km (0.091 R)
• M7: 6,216,540 km (0.058 R)
• M8: 8,732,776 km (0.068 R)
• M9: 12,036,495 km (0.118 R)
• M10: 13,098,490 km (0.091 R)
• M11: 13,966,906 km (0.085 R)
• M12: 18,205,762 km (0.102 R)
• M13: 21,325,476 km (0.117 R)
• M14: 24,230,517 km (0.03 R)
• M15: 25,066,619 km (0.085 R)
• M16: 26,211,043 km (0.098 R)
• M17: 28,094,031 km (0.12 R)
• M18: 33,936,277 km (0.051 R)
• M19: 35,218,480 km (0.111 R)
• M20: 40,282,817 km (0.097 R)
• M21: 45,953,773 km (0.111 R)
• M22: 47,811,629 km (0.118 R)
• M23: 48,247,258 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542

Radius: 11.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.19 AU - 11.49 AU

Year: 13101 Days

Day: 13.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,699,771 km

• M1: 143,913 km (0.091 R)
• M2: 804,089 km (0.06 R)
• M3: 1,488,349 km (0.083 R)
• M4: 2,551,691 km (0.104 R)
• M5: 3,163,995 km (0.102 R)
• M6: 4,206,842 km (0.113 R)
• M7: 4,591,308 km (0.108 R)
• M8: 5,569,379 km (0.072 R)
• M9: 6,563,906 km (0.081 R)
• M10: 7,001,480 km (0.102 R)
• M11: 7,416,165 km (0.117 R)
• M12: 9,095,700 km (0.119 R)
• M13: 11,238,241 km (0.111 R)
• M14: 13,191,989 km (0.117 R)
• M15: 18,771,990 km (0.116 R)
• M16: 23,565,853 km (0.073 R)
• M17: 24,690,081 km (0.108 R)
• M18: 25,459,014 km (0.116 R)
• M19: 26,442,770 km (0.036 R)
• M20: 27,656,458 km (0.077 R)
• M21: 29,438,767 km (0.081 R)
• M22: 31,744,818 km (0.067 R)
• M23: 33,115,284 km (0.071 R)
• M24: 35,486,560 km (0.099 R)
• M25: 37,337,684 km (0.119 R)
• M26: 41,500,544 km (0.043 R)
• M27: 41,905,954 km (0.063 R)
• M28: 43,554,373 km (0.074 R)
• M29: 46,107,410 km (0.114 R)
• M30: 53,081,962 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141

Radius: 15

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 11.41 AU - 12.71 AU

Year: 15374 Days

Day: 6.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,699,771 km

• M1: 265,237 km (0.05 R)
• M2: 801,246 km (0.091 R)
• M3: 1,781,112 km (0.12 R)
• M4: 2,753,050 km (0.074 R)
• M5: 6,461,880 km (0.103 R)
• M6: 6,988,465 km (0.109 R)
• M7: 10,873,671 km (0.089 R)
• M8: 12,456,416 km (0.108 R)
• M9: 14,071,924 km (0.095 R)
• M10: 16,589,057 km (0.055 R)
• M11: 17,379,383 km (0.075 R)
• M12: 24,719,103 km (0.095 R)
• M13: 27,351,727 km (0.1 R)
• M14: 27,900,003 km (0.103 R)
• M15: 30,653,501 km (0.07 R)
• M16: 34,956,086 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 20,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit