🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.67 AU - 0.75 AU

Year: 230 Days

Day: 39.3 Hours

Environment

Temp: 163 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.57 AU - 0.93 AU

Year: 250 Days

Day: 47 Hours

Environment

Temp: 121 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,462,363 km

• M1: 31,416 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.31 AU - 1.45 AU

Year: 624 Days

Day: 18.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,462,363 km

• M1: 249,679 km (0.035 R)
• M2: 282,890 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.28 AU - 1.92 AU

Year: 779 Days

Day: 47 Hours

Environment

Temp: -73 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,462,363 km

• M1: 44,431 km (0.12 R)
• M2: 1,429,707 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.9 AU - 2.96 AU

Year: 1931 Days

Day: 26.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 12.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.89 AU - 6.19 AU

Year: 5020 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 103,462,363 km

• M1: 155,432 km (0.075 R)
• M2: 650,452 km (0.064 R)
• M3: 1,155,195 km (0.079 R)
• M4: 2,063,852 km (0.097 R)
• M5: 2,799,425 km (0.09 R)
• M6: 3,382,109 km (0.056 R)
• M7: 4,508,132 km (0.04 R)
• M8: 5,542,302 km (0.09 R)
• M9: 7,633,231 km (0.102 R)
• M10: 14,732,249 km (0.11 R)
• M11: 16,992,523 km (0.113 R)
• M12: 18,467,857 km (0.045 R)
• M13: 20,096,679 km (0.103 R)
• M14: 22,414,997 km (0.06 R)
• M15: 25,067,816 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 12.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.88 AU - 8.6 AU

Year: 8290 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 103,462,363 km

• M1: 155,432 km (0.058 R)
• M2: 607,367 km (0.104 R)
• M3: 999,164 km (0.089 R)
• M4: 1,448,706 km (0.07 R)
• M5: 2,793,740 km (0.091 R)
• M6: 3,208,725 km (0.115 R)
• M7: 4,017,451 km (0.074 R)
• M8: 5,420,380 km (0.103 R)
• M9: 8,999,060 km (0.114 R)
• M10: 9,558,107 km (0.059 R)
• M11: 11,325,756 km (0.082 R)
• M12: 13,029,825 km (0.072 R)
• M13: 13,467,399 km (0.083 R)
• M14: 17,727,198 km (0.1 R)
• M15: 18,401,286 km (0.111 R)
• M16: 19,232,751 km (0.104 R)
• M17: 21,420,919 km (0.102 R)
• M18: 30,005,743 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.1

Radius: 4.3

Gravity: 51.98 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 15.12 AU - 18.7 AU

Year: 26772 Days

Day: 17.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 103,462,363 km

• M1: 53,556 km (0.093 R)
• M2: 461,360 km (0.077 R)
• M3: 607,667 km (0.096 R)
• M4: 868,416 km (0.1 R)
• M5: 1,066,932 km (0.107 R)
• M6: 1,361,490 km (0.056 R)
• M7: 1,592,918 km (0.067 R)
• M8: 1,934,600 km (0.058 R)
• M9: 2,251,298 km (0.084 R)
• M10: 2,735,247 km (0.112 R)
• M11: 4,640,825 km (0.084 R)
• M12: 5,908,817 km (0.062 R)
• M13: 6,721,432 km (0.093 R)
• M14: 7,497,995 km (0.107 R)
• M15: 11,489,715 km (0.118 R)
• M16: 14,014,329 km (0.091 R)
• M17: 14,426,471 km (0.079 R)
• M18: 15,361,757 km (0.089 R)
• M19: 22,726,460 km (0.099 R)
• M20: 23,066,645 km (0.107 R)
• M21: 24,107,248 km (0.099 R)
• M22: 25,910,501 km (0.114 R)
• M23: 28,979,651 km (0.106 R)
• M24: 29,513,715 km (0.096 R)
• M25: 29,918,527 km (0.119 R)
• M26: 34,768,041 km (0.078 R)
• M27: 39,623,689 km (0.099 R)
• M28: 47,447,209 km (0.043 R)
• M29: 49,315,387 km (0.106 R)
• M30: 52,602,800 km (0.046 R)
• M31: 53,396,866 km (0.085 R)
• M32: 59,395,291 km (0.105 R)
• M33: 62,889,449 km (0.114 R)
• M34: 66,518,095 km (0.115 R)
• M35: 77,722,826 km (0.09 R)
• M36: 84,038,698 km (0.037 R)
• M37: 88,993,978 km (0.099 R)
• M38: 89,274,773 km (0.062 R)
• M39: 89,838,308 km (0.052 R)
• M40: 91,257,394 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 14,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit