🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.55 AU - 0.71 AU

Year: 190 Days

Day: 22.7 Hours

Environment

Temp: 161 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.75 AU - 1.07 AU

Year: 331 Days

Day: 30.2 Hours

Environment

Temp: 34 °C

Axial Tilt: 8.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.13 AU - 1.19 AU

Year: 476 Days

Day: 28.2 Hours

Environment

Temp: 0 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.95 AU - 1.55 AU

Year: 532 Days

Day: 35.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.26 AU - 2.4 AU

Year: 1354 Days

Day: 42 Hours

Environment

Temp: -90 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 13.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.47 AU - 8.93 AU

Year: 9772 Days

Day: 10.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,151,491 km

• M1: 167,998 km (0.101 R)
• M2: 857,944 km (0.119 R)
• M3: 1,558,361 km (0.074 R)
• M4: 2,541,219 km (0.092 R)
• M5: 3,125,848 km (0.096 R)
• M6: 4,451,883 km (0.077 R)
• M7: 5,178,330 km (0.097 R)
• M8: 6,304,952 km (0.096 R)
• M9: 7,967,732 km (0.079 R)
• M10: 10,207,362 km (0.108 R)
• M11: 11,039,425 km (0.082 R)
• M12: 12,371,744 km (0.105 R)
• M13: 14,121,740 km (0.064 R)
• M14: 15,089,040 km (0.113 R)
• M15: 17,664,068 km (0.038 R)
• M16: 18,863,544 km (0.094 R)
• M17: 19,561,717 km (0.1 R)
• M18: 21,844,730 km (0.117 R)
• M19: 22,962,824 km (0.12 R)
• M20: 23,759,134 km (0.048 R)
• M21: 24,757,101 km (0.082 R)
• M22: 25,219,957 km (0.026 R)
• M23: 31,774,737 km (0.113 R)
• M24: 36,208,369 km (0.06 R)
• M25: 39,887,729 km (0.102 R)
• M26: 40,524,268 km (0.08 R)
• M27: 41,038,436 km (0.05 R)
• M28: 41,817,841 km (0.113 R)
• M29: 43,405,972 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 13.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 10.03 AU - 13.19 AU

Year: 15064 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,151,491 km

• M1: 170,392 km (0.031 R)
• M2: 721,660 km (0.113 R)
• M3: 1,426,864 km (0.116 R)
• M4: 2,006,855 km (0.07 R)
• M5: 3,390,037 km (0.116 R)
• M6: 3,902,709 km (0.118 R)
• M7: 5,241,012 km (0.073 R)
• M8: 6,422,536 km (0.115 R)
• M9: 10,074,070 km (0.082 R)
• M10: 11,567,655 km (0.027 R)
• M11: 13,263,347 km (0.063 R)
• M12: 16,042,427 km (0.104 R)
• M13: 16,724,444 km (0.07 R)
• M14: 20,114,331 km (0.116 R)
• M15: 20,587,958 km (0.057 R)
• M16: 21,393,842 km (0.079 R)
• M17: 24,114,578 km (0.105 R)
• M18: 28,123,502 km (0.109 R)
• M19: 34,543,495 km (0.106 R)
• M20: 41,114,282 km (0.105 R)
• M21: 41,877,979 km (0.104 R)

Asteroid Belt

Center: 14.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.2

Radius: 4.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 14.05 AU - 21.65 AU

Year: 28718 Days

Day: 16.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 127.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,151,491 km

• M1: 57,146 km (0.067 R)
• M2: 465,549 km (0.112 R)
• M3: 612,304 km (0.082 R)
• M4: 854,653 km (0.103 R)
• M5: 1,317,209 km (0.092 R)
• M6: 2,823,211 km (0.095 R)
• M7: 3,112,234 km (0.071 R)
• M8: 4,587,568 km (0.116 R)
• M9: 4,892,898 km (0.111 R)
• M10: 6,474,596 km (0.095 R)
• M11: 8,870,555 km (0.081 R)
• M12: 10,137,051 km (0.084 R)
• M13: 13,510,483 km (0.096 R)
• M14: 15,583,461 km (0.058 R)
• M15: 17,416,483 km (0.118 R)
• M16: 19,943,939 km (0.061 R)
• M17: 20,104,458 km (0.094 R)
• M18: 29,489,031 km (0.106 R)
• M19: 30,969,153 km (0.117 R)
• M20: 31,292,583 km (0.109 R)
• M21: 33,281,038 km (0.037 R)
• M22: 34,306,233 km (0.039 R)
• M23: 37,998,308 km (0.113 R)
• M24: 43,680,633 km (0.084 R)
• M25: 45,046,612 km (0.107 R)
• M26: 45,461,895 km (0.087 R)
• M27: 47,006,493 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 16,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit