🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.62 AU - 0.64 AU

Year: 184 Days

Day: 40.4 Hours

Environment

Temp: 208 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.86 AU - 1.44 AU

Year: 453 Days

Day: 15.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.06 AU - 1.48 AU

Year: 525 Days

Day: 42.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.99 AU - 3.13 AU

Year: 1504 Days

Day: 28.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.9 AU - 3.76 AU

Year: 2231 Days

Day: 46.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.38 AU - 4.48 AU

Year: 2860 Days

Day: 20.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.5

Radius: 10.7

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.2 AU - 5.68 AU

Year: 4658 Days

Day: 12.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,061,035 km

• M1: 140,173 km (0.067 R)
• M2: 755,768 km (0.092 R)
• M3: 1,172,997 km (0.115 R)
• M4: 1,731,446 km (0.101 R)
• M5: 2,318,917 km (0.06 R)
• M6: 3,324,214 km (0.094 R)
• M7: 4,141,767 km (0.108 R)
• M8: 6,420,292 km (0.088 R)
• M9: 6,868,487 km (0.062 R)
• M10: 8,007,974 km (0.083 R)
• M11: 10,439,687 km (0.068 R)
• M12: 11,015,490 km (0.063 R)
• M13: 12,920,618 km (0.049 R)
• M14: 14,378,749 km (0.059 R)
• M15: 17,867,970 km (0.105 R)
• M16: 22,901,938 km (0.09 R)
• M17: 24,563,671 km (0.065 R)
• M18: 26,547,937 km (0.106 R)
• M19: 27,956,700 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.6

Radius: 8.6

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7 AU - 10.76 AU

Year: 9714 Days

Day: 5.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,061,035 km

• M1: 106,962 km (0.08 R)
• M2: 534,812 km (0.111 R)
• M3: 806,333 km (0.119 R)
• M4: 2,198,640 km (0.06 R)
• M5: 3,127,493 km (0.114 R)
• M6: 3,994,263 km (0.087 R)
• M7: 4,411,342 km (0.06 R)
• M8: 5,333,014 km (0.074 R)
• M9: 6,489,406 km (0.079 R)
• M10: 6,831,836 km (0.115 R)
• M11: 7,266,866 km (0.088 R)
• M12: 7,553,196 km (0.114 R)
• M13: 8,192,428 km (0.1 R)
• M14: 8,774,962 km (0.087 R)
• M15: 10,742,025 km (0.068 R)
• M16: 16,840,532 km (0.073 R)
• M17: 17,634,896 km (0.062 R)
• M18: 20,653,482 km (0.082 R)
• M19: 21,563,486 km (0.094 R)
• M20: 24,090,493 km (0.113 R)
• M21: 24,453,866 km (0.114 R)
• M22: 29,310,112 km (0.047 R)
• M23: 30,990,545 km (0.087 R)
• M24: 31,312,630 km (0.084 R)
• M25: 32,182,392 km (0.114 R)
• M26: 33,068,161 km (0.085 R)
• M27: 34,888,467 km (0.117 R)
• M28: 39,856,014 km (0.059 R)
• M29: 43,506,950 km (0.114 R)
• M30: 45,000,236 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.3

Radius: 7.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 12.27 AU - 16.19 AU

Year: 19705 Days

Day: 24.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,061,035 km

• M1: 92,003 km (0.064 R)
• M2: 340,036 km (0.115 R)
• M3: 1,392,158 km (0.08 R)
• M4: 1,869,076 km (0.112 R)
• M5: 3,146,342 km (0.073 R)
• M6: 3,463,490 km (0.074 R)
• M7: 4,440,813 km (0.12 R)
• M8: 5,235,626 km (0.095 R)
• M9: 5,470,645 km (0.087 R)
• M10: 6,754,194 km (0.091 R)
• M11: 7,068,499 km (0.111 R)
• M12: 7,319,824 km (0.086 R)
• M13: 9,420,776 km (0.095 R)
• M14: 12,404,655 km (0.075 R)
• M15: 13,144,267 km (0.109 R)
• M16: 13,969,000 km (0.12 R)
• M17: 15,003,619 km (0.108 R)
• M18: 17,549,476 km (0.069 R)
• M19: 19,515,042 km (0.06 R)
• M20: 23,399,201 km (0.045 R)
• M21: 27,947,425 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 17,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit