🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.02 AU - 1.08 AU

Year: 405 Days

Day: 41.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,958,955 km

• M1: 160,369 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.08 AU - 2.46 AU

Year: 1288 Days

Day: 29.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 13.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.12 AU - 4.66 AU

Year: 3465 Days

Day: 7.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,958,955 km

• M1: 165,156 km (0.101 R)
• M2: 860,487 km (0.109 R)
• M3: 2,422,887 km (0.117 R)
• M4: 3,751,765 km (0.086 R)
• M5: 5,631,163 km (0.047 R)
• M6: 6,114,813 km (0.067 R)
• M7: 6,853,826 km (0.097 R)
• M8: 8,481,002 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.1

Radius: 14.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.61 AU - 5.09 AU

Year: 4024 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,958,955 km

• M1: 180,265 km (0.118 R)
• M2: 786,586 km (0.042 R)
• M3: 2,000,124 km (0.119 R)
• M4: 3,017,838 km (0.108 R)
• M5: 3,624,008 km (0.113 R)
• M6: 4,217,463 km (0.103 R)
• M7: 4,850,113 km (0.103 R)
• M8: 5,888,322 km (0.112 R)
• M9: 7,338,224 km (0.065 R)
• M10: 9,901,733 km (0.104 R)
• M11: 10,979,287 km (0.116 R)
• M12: 11,523,674 km (0.054 R)
• M13: 14,467,610 km (0.113 R)
• M14: 15,067,348 km (0.038 R)
• M15: 16,026,869 km (0.071 R)
• M16: 18,256,027 km (0.092 R)
• M17: 20,753,563 km (0.037 R)
• M18: 21,446,949 km (0.034 R)
• M19: 23,996,396 km (0.091 R)
• M20: 24,992,867 km (0.111 R)
• M21: 26,660,585 km (0.102 R)
• M22: 27,232,647 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 11

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.18 AU - 6.68 AU

Year: 5440 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,958,955 km

• M1: 136,882 km (0.081 R)
• M2: 1,221,766 km (0.027 R)
• M3: 1,612,366 km (0.117 R)
• M4: 1,996,683 km (0.061 R)
• M5: 2,459,838 km (0.029 R)
• M6: 2,954,708 km (0.084 R)
• M7: 4,423,759 km (0.069 R)
• M8: 4,795,659 km (0.105 R)
• M9: 5,246,248 km (0.109 R)
• M10: 6,102,845 km (0.099 R)
• M11: 8,132,290 km (0.1 R)
• M12: 8,816,102 km (0.063 R)
• M13: 10,390,769 km (0.105 R)
• M14: 11,244,823 km (0.076 R)
• M15: 12,824,577 km (0.037 R)
• M16: 14,956,945 km (0.05 R)
• M17: 15,983,485 km (0.117 R)
• M18: 17,446,403 km (0.118 R)
• M19: 18,858,308 km (0.037 R)
• M20: 19,486,170 km (0.052 R)
• M21: 19,984,032 km (0.099 R)
• M22: 23,470,260 km (0.111 R)
• M23: 25,694,930 km (0.047 R)
• M24: 26,207,752 km (0.086 R)
• M25: 27,431,014 km (0.114 R)
• M26: 33,511,569 km (0.042 R)
• M27: 34,639,836 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 14.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.13 AU - 9.85 AU

Year: 9319 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,958,955 km

• M1: 177,872 km (0.092 R)
• M2: 683,213 km (0.051 R)
• M3: 1,414,298 km (0.084 R)
• M4: 2,011,643 km (0.084 R)
• M5: 3,641,960 km (0.099 R)
• M6: 4,362,872 km (0.111 R)
• M7: 8,129,148 km (0.058 R)
• M8: 9,163,318 km (0.109 R)
• M9: 9,858,500 km (0.08 R)
• M10: 14,141,188 km (0.105 R)
• M11: 16,869,703 km (0.104 R)
• M12: 19,464,329 km (0.072 R)
• M13: 19,932,420 km (0.057 R)
• M14: 20,683,402 km (0.104 R)
• M15: 24,106,650 km (0.084 R)
• M16: 27,054,775 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.6

Radius: 3.3

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 14.32 AU - 19.82 AU

Year: 26569 Days

Day: 22.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,958,955 km

• M1: 41,139 km (0.105 R)
• M2: 278,252 km (0.033 R)
• M3: 526,136 km (0.104 R)
• M4: 727,494 km (0.091 R)
• M5: 1,361,490 km (0.112 R)
• M6: 2,456,547 km (0.055 R)
• M7: 2,992,257 km (0.105 R)
• M8: 5,429,356 km (0.12 R)
• M9: 5,636,997 km (0.055 R)
• M10: 5,994,835 km (0.101 R)
• M11: 6,755,690 km (0.115 R)
• M12: 10,234,888 km (0.103 R)
• M13: 10,658,848 km (0.082 R)
• M14: 11,260,681 km (0.108 R)
• M15: 11,712,466 km (0.087 R)
• M16: 16,987,137 km (0.095 R)
• M17: 17,134,342 km (0.112 R)
• M18: 21,436,178 km (0.06 R)
• M19: 40,079,364 km (0.09 R)
• M20: 41,661,361 km (0.094 R)
• M21: 47,818,062 km (0.052 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 13,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit