🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.51 AU - 0.55 AU

Year: 249 Days

Day: 16.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.52 AU - 0.72 AU

Year: 315 Days

Day: 32.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 12.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.32 AU - 1.5 AU

Year: 1081 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 168 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,155,696 km

• M1: 151,094 km (0.119 R)
• M2: 540,348 km (0.118 R)
• M3: 1,196,185 km (0.096 R)
• M4: 1,657,395 km (0.108 R)
• M5: 2,185,176 km (0.054 R)
• M6: 2,641,150 km (0.058 R)
• M7: 3,242,235 km (0.115 R)
• M8: 3,762,985 km (0.119 R)
• M9: 4,918,329 km (0.073 R)
• M10: 5,548,585 km (0.039 R)
• M11: 6,605,644 km (0.054 R)
• M12: 7,717,305 km (0.079 R)
• M13: 9,599,097 km (0.118 R)
• M14: 9,979,824 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.5

Radius: 9.2

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.46 AU - 1.5 AU

Year: 1163 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,155,696 km

• M1: 114,442 km (0.091 R)
• M2: 405,111 km (0.063 R)
• M3: 1,147,416 km (0.109 R)
• M4: 1,799,662 km (0.096 R)
• M5: 2,094,669 km (0.093 R)
• M6: 2,635,316 km (0.039 R)
• M7: 3,945,943 km (0.067 R)
• M8: 4,345,369 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 12

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.01 AU - 2.59 AU

Year: 2252 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,155,696 km

• M1: 149,299 km (0.089 R)
• M2: 721,361 km (0.104 R)
• M3: 1,496,128 km (0.094 R)
• M4: 3,153,074 km (0.119 R)
• M5: 4,084,171 km (0.048 R)
• M6: 4,624,369 km (0.118 R)
• M7: 5,103,382 km (0.109 R)
• M8: 5,569,678 km (0.109 R)
• M9: 6,335,021 km (0.088 R)
• M10: 7,388,788 km (0.041 R)
• M11: 7,841,771 km (0.072 R)
• M12: 8,772,270 km (0.117 R)
• M13: 9,345,529 km (0.032 R)
• M14: 10,321,655 km (0.042 R)
• M15: 10,745,017 km (0.1 R)
• M16: 11,551,349 km (0.097 R)
• M17: 12,957,120 km (0.073 R)
• M18: 14,474,043 km (0.059 R)
• M19: 14,871,076 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 12.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.13 AU - 5.05 AU

Year: 6349 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,155,696 km

• M1: 154,235 km (0.074 R)
• M2: 548,276 km (0.114 R)
• M3: 1,675,047 km (0.059 R)
• M4: 2,123,841 km (0.098 R)
• M5: 3,178,506 km (0.037 R)
• M6: 3,672,029 km (0.107 R)
• M7: 4,064,873 km (0.075 R)
• M8: 4,601,631 km (0.118 R)
• M9: 5,416,490 km (0.074 R)
• M10: 6,096,263 km (0.118 R)
• M11: 6,832,135 km (0.08 R)
• M12: 7,269,409 km (0.061 R)
• M13: 9,247,542 km (0.11 R)
• M14: 10,503,715 km (0.043 R)
• M15: 12,736,464 km (0.083 R)
• M16: 15,059,270 km (0.037 R)
• M17: 16,850,405 km (0.037 R)
• M18: 18,538,318 km (0.119 R)
• M19: 19,641,004 km (0.1 R)
• M20: 21,244,543 km (0.089 R)
• M21: 21,642,025 km (0.106 R)
• M22: 22,383,731 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.7

Radius: 5.9

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.77 AU - 7.65 AU

Year: 12500 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,155,696 km

• M1: 73,303 km (0.116 R)
• M2: 339,138 km (0.106 R)
• M3: 690,394 km (0.087 R)
• M4: 921,972 km (0.046 R)
• M5: 1,438,084 km (0.111 R)
• M6: 1,947,315 km (0.117 R)
• M7: 2,288,249 km (0.086 R)
• M8: 3,067,355 km (0.076 R)
• M9: 3,292,948 km (0.091 R)
• M10: 3,627,300 km (0.083 R)
• M11: 3,854,090 km (0.045 R)
• M12: 4,827,673 km (0.1 R)
• M13: 5,133,601 km (0.054 R)
• M14: 5,583,591 km (0.095 R)
• M15: 6,599,211 km (0.112 R)
• M16: 7,487,822 km (0.097 R)
• M17: 7,732,265 km (0.116 R)
• M18: 9,219,268 km (0.094 R)
• M19: 9,690,651 km (0.104 R)
• M20: 10,128,524 km (0.102 R)
• M21: 14,429,313 km (0.093 R)
• M22: 14,744,516 km (0.099 R)
• M23: 17,577,002 km (0.117 R)
• M24: 18,745,062 km (0.055 R)
• M25: 20,120,166 km (0.106 R)
• M26: 24,916,423 km (0.101 R)
• M27: 25,645,264 km (0.106 R)
• M28: 28,802,527 km (0.095 R)
• M29: 29,706,397 km (0.1 R)
• M30: 32,531,852 km (0.077 R)
• M31: 34,736,626 km (0.095 R)
• M32: 35,075,764 km (0.073 R)
• M33: 41,817,841 km (0.041 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 19,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit