🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.54 AU - 0.78 AU

Year: 194 Days

Day: 19.2 Hours

Environment

Temp: 135 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.94 AU

Year: 240 Days

Day: 26.5 Hours

Environment

Temp: 189 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.94 AU - 1.56 AU

Year: 505 Days

Day: 30.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 101,789,737 km

• M1: 85,869 km (0.12 R)
• M2: 1,048,831 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.23 AU - 1.77 AU

Year: 664 Days

Day: 24.8 Hours

Environment

Temp: -23 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.61 AU - 3.67 AU

Year: 2012 Days

Day: 19 Hours

Environment

Temp: -107 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,789,737 km

• M1: 59,839 km (0.067 R)

Asteroid Belt

Center: 4.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 10.3

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.52 AU - 5.88 AU

Year: 4288 Days

Day: 13.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 101,789,737 km

• M1: 129,103 km (0.082 R)
• M2: 467,793 km (0.063 R)
• M3: 1,216,081 km (0.116 R)
• M4: 1,989,053 km (0.08 R)
• M5: 3,231,164 km (0.063 R)
• M6: 3,821,777 km (0.071 R)
• M7: 4,653,541 km (0.095 R)
• M8: 5,629,667 km (0.094 R)
• M9: 6,032,833 km (0.084 R)
• M10: 7,460,895 km (0.04 R)
• M11: 11,016,686 km (0.094 R)
• M12: 14,476,586 km (0.066 R)
• M13: 15,512,850 km (0.066 R)
• M14: 16,020,586 km (0.101 R)
• M15: 17,009,876 km (0.102 R)
• M16: 18,475,337 km (0.099 R)
• M17: 21,936,284 km (0.101 R)
• M18: 22,648,070 km (0.105 R)
• M19: 24,952,925 km (0.071 R)
• M20: 25,650,350 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 9.6

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.8 AU - 8.02 AU

Year: 7295 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 101,789,737 km

• M1: 119,379 km (0.081 R)
• M2: 773,271 km (0.069 R)
• M3: 1,166,714 km (0.028 R)
• M4: 1,664,875 km (0.055 R)
• M5: 1,972,149 km (0.1 R)
• M6: 2,608,089 km (0.081 R)
• M7: 3,132,579 km (0.06 R)
• M8: 4,258,603 km (0.104 R)
• M9: 4,613,150 km (0.109 R)
• M10: 5,444,615 km (0.114 R)
• M11: 6,199,485 km (0.097 R)
• M12: 7,441,447 km (0.114 R)
• M13: 8,328,861 km (0.069 R)
• M14: 8,798,150 km (0.091 R)
• M15: 9,650,559 km (0.077 R)
• M16: 11,005,616 km (0.108 R)
• M17: 12,704,898 km (0.086 R)
• M18: 13,098,640 km (0.075 R)
• M19: 13,442,715 km (0.085 R)
• M20: 14,148,967 km (0.053 R)
• M21: 15,128,833 km (0.064 R)
• M22: 16,549,264 km (0.117 R)
• M23: 17,706,254 km (0.092 R)
• M24: 19,282,418 km (0.092 R)
• M25: 22,384,329 km (0.112 R)
• M26: 24,743,937 km (0.09 R)
• M27: 25,893,895 km (0.118 R)
• M28: 26,802,403 km (0.109 R)
• M29: 31,975,797 km (0.076 R)
• M30: 37,547,121 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688

Radius: 7.8

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 17.04 AU - 21.74 AU

Year: 30879 Days

Day: 24.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 101,789,737 km

• M1: 97,089 km (0.06 R)
• M2: 553,811 km (0.05 R)
• M3: 1,968,110 km (0.096 R)
• M4: 2,761,128 km (0.064 R)
• M5: 4,921,022 km (0.103 R)
• M6: 10,255,832 km (0.097 R)
• M7: 12,961,758 km (0.087 R)
• M8: 18,438,536 km (0.065 R)
• M9: 19,733,904 km (0.116 R)
• M10: 22,393,754 km (0.115 R)
• M11: 22,840,453 km (0.069 R)
• M12: 30,819,555 km (0.088 R)
• M13: 32,213,657 km (0.037 R)
• M14: 34,383,126 km (0.109 R)
• M15: 39,819,961 km (0.081 R)
• M16: 45,268,465 km (0.116 R)
• M17: 45,624,508 km (0.09 R)
• M18: 49,101,761 km (0.113 R)
• M19: 53,940,803 km (0.118 R)
• M20: 56,372,517 km (0.06 R)
• M21: 59,727,249 km (0.088 R)
• M22: 97,875,005 km (0.106 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 15,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit