🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.57 AU - 0.61 AU

Year: 162 Days

Day: 22.2 Hours

Environment

Temp: 188 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.52 AU - 0.72 AU

Year: 175 Days

Day: 34.9 Hours

Environment

Temp: 151 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 112,755,260 km

• M1: 172,337 km (0.1 R)
• M2: 502,050 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1 AU - 1.28 AU

Year: 436 Days

Day: 26.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 112,755,260 km

• M1: 378,632 km (0.1 R)
• M2: 564,582 km (0.082 R)

Asteroid Belt

Center: 1.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.01 AU - 2.55 AU

Year: 1233 Days

Day: 44.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3 AU - 4 AU

Year: 2345 Days

Day: 18.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 13.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.61 AU - 6.79 AU

Year: 4874 Days

Day: 6.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 112,755,260 km

• M1: 171,589 km (0.115 R)
• M2: 982,858 km (0.089 R)
• M3: 1,940,135 km (0.066 R)
• M4: 3,471,568 km (0.116 R)
• M5: 8,163,705 km (0.091 R)
• M6: 9,346,426 km (0.084 R)
• M7: 10,038,017 km (0.077 R)
• M8: 11,697,656 km (0.043 R)
• M9: 13,104,773 km (0.108 R)
• M10: 14,520,717 km (0.07 R)
• M11: 15,821,321 km (0.059 R)
• M12: 16,527,573 km (0.045 R)
• M13: 17,141,522 km (0.068 R)
• M14: 18,296,867 km (0.093 R)
• M15: 18,773,336 km (0.109 R)
• M16: 20,379,269 km (0.054 R)
• M17: 21,215,820 km (0.07 R)
• M18: 21,741,807 km (0.119 R)
• M19: 23,372,573 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.2

Radius: 12.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.12 AU - 8.98 AU

Year: 7430 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 112,755,260 km

• M1: 159,172 km (0.059 R)
• M2: 573,259 km (0.098 R)
• M3: 1,266,795 km (0.057 R)
• M4: 1,734,587 km (0.113 R)
• M5: 2,302,760 km (0.089 R)
• M6: 3,127,643 km (0.113 R)
• M7: 3,908,693 km (0.116 R)
• M8: 5,390,460 km (0.097 R)
• M9: 6,322,156 km (0.116 R)
• M10: 8,427,596 km (0.093 R)
• M11: 9,019,854 km (0.078 R)
• M12: 15,032,492 km (0.094 R)
• M13: 15,435,508 km (0.032 R)
• M14: 17,245,044 km (0.106 R)
• M15: 19,598,667 km (0.043 R)
• M16: 20,149,487 km (0.113 R)
• M17: 21,499,009 km (0.088 R)
• M18: 23,907,086 km (0.085 R)
• M19: 25,991,882 km (0.115 R)
• M20: 28,809,109 km (0.102 R)
• M21: 30,981,869 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.9

Radius: 6.3

Gravity: 24.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 16.56 AU - 22.04 AU

Year: 30368 Days

Day: 24.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 112,755,260 km

• M1: 86,168 km (0.098 R)
• M2: 498,011 km (0.05 R)
• M3: 746,493 km (0.085 R)
• M4: 1,121,834 km (0.094 R)
• M5: 4,429,294 km (0.045 R)
• M6: 5,467,952 km (0.035 R)
• M7: 5,972,845 km (0.073 R)
• M8: 7,958,308 km (0.068 R)
• M9: 8,307,619 km (0.101 R)
• M10: 9,162,570 km (0.103 R)
• M11: 12,002,237 km (0.116 R)
• M12: 12,695,922 km (0.11 R)
• M13: 13,172,990 km (0.12 R)
• M14: 15,648,984 km (0.105 R)
• M15: 16,948,541 km (0.06 R)
• M16: 18,927,422 km (0.076 R)
• M17: 20,293,250 km (0.062 R)
• M18: 21,611,208 km (0.08 R)
• M19: 26,802,703 km (0.097 R)
• M20: 27,324,051 km (0.098 R)
• M21: 29,202,552 km (0.085 R)
• M22: 31,741,826 km (0.064 R)
• M23: 32,916,319 km (0.04 R)
• M24: 33,815,851 km (0.115 R)
• M25: 34,886,074 km (0.073 R)
• M26: 35,664,132 km (0.035 R)
• M27: 42,662,620 km (0.106 R)
• M28: 45,001,283 km (0.099 R)
• M29: 47,045,838 km (0.082 R)
• M30: 49,932,328 km (0.073 R)
• M31: 52,934,758 km (0.107 R)
• M32: 54,584,224 km (0.045 R)
• M33: 60,851,028 km (0.107 R)
• M34: 66,862,469 km (0.043 R)
• M35: 76,342,187 km (0.057 R)
• M36: 76,603,086 km (0.09 R)
• M37: 86,395,762 km (0.116 R)
• M38: 87,532,706 km (0.092 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 16,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit