🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.45 AU - 0.57 AU

Year: 137 Days

Day: 13.7 Hours

Environment

Temp: 208 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.76 AU - 1 AU

Year: 311 Days

Day: 31 Hours

Environment

Temp: 33 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,571,839 km

• M1: 166,353 km (0.046 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.68 AU - 2.74 AU

Year: 1238 Days

Day: 18.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,571,839 km

• M1: 521,049 km (0.09 R)
• M2: 715,377 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.79 AU - 4.47 AU

Year: 2605 Days

Day: 44.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 14.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.92 AU - 4.84 AU

Year: 3453 Days

Day: 7.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,571,839 km

• M1: 182,958 km (0.111 R)
• M2: 971,788 km (0.062 R)
• M3: 1,522,158 km (0.111 R)
• M4: 2,210,458 km (0.099 R)
• M5: 3,828,359 km (0.069 R)
• M6: 4,764,243 km (0.101 R)
• M7: 5,273,923 km (0.11 R)
• M8: 6,077,713 km (0.034 R)
• M9: 7,026,313 km (0.119 R)
• M10: 7,965,787 km (0.082 R)
• M11: 10,811,139 km (0.043 R)
• M12: 11,879,118 km (0.09 R)
• M13: 12,725,543 km (0.091 R)
• M14: 13,611,761 km (0.07 R)
• M15: 15,071,686 km (0.088 R)
• M16: 16,007,720 km (0.08 R)
• M17: 17,394,792 km (0.099 R)
• M18: 19,947,679 km (0.118 R)
• M19: 20,407,394 km (0.093 R)
• M20: 23,899,307 km (0.064 R)
• M21: 25,324,975 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 13.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.48 AU - 11.24 AU

Year: 11664 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,571,839 km

• M1: 171,589 km (0.099 R)
• M2: 845,976 km (0.104 R)
• M3: 1,292,526 km (0.097 R)
• M4: 2,850,288 km (0.114 R)
• M5: 5,293,521 km (0.054 R)
• M6: 6,367,334 km (0.086 R)
• M7: 7,369,191 km (0.088 R)
• M8: 8,198,861 km (0.042 R)
• M9: 9,335,057 km (0.067 R)
• M10: 10,573,578 km (0.116 R)
• M11: 11,009,954 km (0.1 R)
• M12: 12,693,978 km (0.115 R)
• M13: 14,147,171 km (0.105 R)
• M14: 16,934,928 km (0.085 R)
• M15: 17,533,469 km (0.111 R)
• M16: 18,852,623 km (0.108 R)
• M17: 21,426,753 km (0.051 R)
• M18: 27,263,614 km (0.111 R)
• M19: 33,963,354 km (0.106 R)
• M20: 38,907,265 km (0.116 R)
• M21: 45,019,983 km (0.085 R)
• M22: 50,966,050 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 9.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.52 AU - 13.72 AU

Year: 13970 Days

Day: 11.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,571,839 km

• M1: 113,694 km (0.113 R)
• M2: 1,240,316 km (0.118 R)
• M3: 1,778,270 km (0.069 R)
• M4: 2,499,032 km (0.09 R)
• M5: 3,940,857 km (0.082 R)
• M6: 4,908,605 km (0.079 R)
• M7: 7,451,919 km (0.043 R)
• M8: 9,088,819 km (0.089 R)
• M9: 21,711,139 km (0.061 R)
• M10: 25,500,603 km (0.109 R)
• M11: 27,376,111 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.7

Radius: 6.6

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 11.17 AU - 15.85 AU

Year: 18707 Days

Day: 21.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,571,839 km

• M1: 82,279 km (0.101 R)
• M2: 409,599 km (0.108 R)
• M3: 1,237,025 km (0.093 R)
• M4: 2,049,042 km (0.075 R)
• M5: 4,990,735 km (0.084 R)
• M6: 6,293,582 km (0.036 R)
• M7: 7,214,806 km (0.111 R)
• M8: 7,859,723 km (0.068 R)
• M9: 14,701,880 km (0.093 R)
• M10: 15,736,200 km (0.073 R)
• M11: 27,320,461 km (0.086 R)
• M12: 27,913,467 km (0.108 R)
• M13: 35,013,531 km (0.088 R)
• M14: 48,381,447 km (0.064 R)
• M15: 52,276,527 km (0.117 R)
• M16: 57,143,395 km (0.114 R)
• M17: 57,723,685 km (0.062 R)
• M18: 59,092,954 km (0.088 R)
• M19: 63,744,251 km (0.116 R)
• M20: 68,199,126 km (0.115 R)
• M21: 71,729,337 km (0.109 R)
• M22: 80,840,595 km (0.05 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 12,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit