🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.78 AU - 0.82 AU

Year: 261 Days

Day: 25.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.72 AU - 0.9 AU

Year: 266 Days

Day: 22.9 Hours

Environment

Temp: 86 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,319,266 km

• M1: 12,716 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.27 AU - 1.93 AU

Year: 739 Days

Day: 18.9 Hours

Environment

Temp: -33 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,319,266 km

• M1: 42,486 km (0.1 R)
• M2: 121,473 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.78 AU - 2.04 AU

Year: 964 Days

Day: 32.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 74.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,319,266 km

• M1: 61,634 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.23 AU - 2.47 AU

Year: 1316 Days

Day: 40.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 14.1

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.03 AU - 9.29 AU

Year: 8514 Days

Day: 7.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,319,266 km

• M1: 175,478 km (0.118 R)
• M2: 628,760 km (0.104 R)
• M3: 1,109,418 km (0.077 R)
• M4: 1,810,882 km (0.107 R)
• M5: 2,265,211 km (0.119 R)
• M6: 2,846,249 km (0.088 R)
• M7: 4,677,177 km (0.079 R)
• M8: 5,628,171 km (0.107 R)
• M9: 6,585,149 km (0.062 R)
• M10: 9,339,395 km (0.118 R)
• M11: 10,804,706 km (0.095 R)
• M12: 14,187,563 km (0.107 R)
• M13: 15,263,770 km (0.113 R)
• M14: 23,520,974 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.1

Radius: 13.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.26 AU - 10.58 AU

Year: 11412 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,319,266 km

• M1: 171,738 km (0.078 R)
• M2: 629,059 km (0.119 R)
• M3: 1,162,226 km (0.084 R)
• M4: 1,627,026 km (0.114 R)
• M5: 2,076,867 km (0.098 R)
• M6: 3,840,177 km (0.065 R)
• M7: 4,626,015 km (0.116 R)
• M8: 5,891,015 km (0.052 R)
• M9: 7,117,867 km (0.067 R)
• M10: 11,368,391 km (0.069 R)
• M11: 13,882,084 km (0.068 R)
• M12: 18,282,805 km (0.084 R)
• M13: 24,528,665 km (0.119 R)
• M14: 27,040,563 km (0.095 R)
• M15: 34,115,196 km (0.077 R)
• M16: 34,746,349 km (0.117 R)
• M17: 36,686,783 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 13.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 8.16 AU - 13.52 AU

Year: 13036 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,319,266 km

• M1: 178,021 km (0.045 R)
• M2: 1,413,849 km (0.073 R)
• M3: 2,313,830 km (0.085 R)
• M4: 3,966,288 km (0.067 R)
• M5: 5,096,351 km (0.104 R)
• M6: 10,980,334 km (0.112 R)
• M7: 12,274,505 km (0.069 R)
• M8: 23,464,276 km (0.119 R)
• M9: 23,929,077 km (0.103 R)
• M10: 25,686,403 km (0.059 R)
• M11: 29,636,535 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.2

Radius: 6.3

Gravity: 15.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.75 AU - 16.91 AU

Year: 21923 Days

Day: 23.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 179.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,319,266 km

• M1: 78,389 km (0.106 R)
• M2: 382,971 km (0.094 R)
• M3: 814,261 km (0.064 R)
• M4: 2,163,784 km (0.066 R)
• M5: 3,563,272 km (0.076 R)
• M6: 6,613,273 km (0.083 R)
• M7: 7,163,943 km (0.072 R)
• M8: 10,026,049 km (0.118 R)
• M9: 12,106,357 km (0.061 R)
• M10: 12,929,295 km (0.105 R)
• M11: 14,609,878 km (0.037 R)
• M12: 17,438,624 km (0.064 R)
• M13: 19,762,477 km (0.114 R)
• M14: 27,958,047 km (0.113 R)
• M15: 32,534,246 km (0.084 R)
• M16: 32,794,845 km (0.1 R)
• M17: 33,188,587 km (0.069 R)
• M18: 33,452,627 km (0.119 R)
• M19: 37,299,985 km (0.095 R)
• M20: 38,016,708 km (0.116 R)
• M21: 38,742,557 km (0.079 R)
• M22: 39,035,470 km (0.093 R)
• M23: 40,672,968 km (0.092 R)
• M24: 41,585,066 km (0.094 R)
• M25: 62,207,582 km (0.082 R)
• M26: 64,233,436 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 11,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit