🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.48 AU - 0.54 AU

Year: 132 Days

Day: 25.2 Hours

Environment

Temp: 230 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.03 AU - 1.09 AU

Year: 395 Days

Day: 21.4 Hours

Environment

Temp: 30 °C

Axial Tilt: 43.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 46,229,320 km

• M1: 39,793 km (0.116 R)
• M2: 446,400 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.23 AU - 1.59 AU

Year: 606 Days

Day: 25.7 Hours

Environment

Temp: 3 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.43 AU - 2.95 AU

Year: 1596 Days

Day: 40.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 9.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.9 AU - 6.12 AU

Year: 4056 Days

Day: 5.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 105.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,229,320 km

• M1: 119,379 km (0.077 R)
• M2: 415,134 km (0.048 R)
• M3: 1,007,093 km (0.079 R)
• M4: 1,300,604 km (0.108 R)
• M5: 1,687,464 km (0.106 R)
• M6: 2,427,525 km (0.055 R)
• M7: 4,375,738 km (0.087 R)
• M8: 4,948,398 km (0.092 R)
• M9: 6,301,810 km (0.078 R)
• M10: 6,938,349 km (0.057 R)
• M11: 7,517,443 km (0.115 R)
• M12: 8,093,694 km (0.061 R)
• M13: 8,845,722 km (0.08 R)
• M14: 9,682,722 km (0.108 R)
• M15: 10,696,996 km (0.097 R)
• M16: 12,418,269 km (0.065 R)
• M17: 13,466,950 km (0.07 R)
• M18: 13,762,855 km (0.084 R)
• M19: 14,367,828 km (0.046 R)
• M20: 16,123,359 km (0.095 R)
• M21: 16,852,649 km (0.118 R)
• M22: 22,173,247 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 10.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.19 AU - 7.23 AU

Year: 6286 Days

Day: 5.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,229,320 km

• M1: 129,402 km (0.063 R)
• M2: 553,213 km (0.115 R)
• M3: 1,181,973 km (0.082 R)
• M4: 2,273,738 km (0.09 R)
• M5: 4,746,292 km (0.054 R)
• M6: 6,588,440 km (0.053 R)
• M7: 7,055,185 km (0.082 R)
• M8: 10,646,880 km (0.096 R)
• M9: 11,104,052 km (0.096 R)
• M10: 11,814,492 km (0.098 R)
• M11: 12,156,173 km (0.051 R)
• M12: 13,221,310 km (0.112 R)
• M13: 15,594,531 km (0.048 R)
• M14: 21,239,906 km (0.106 R)
• M15: 25,193,478 km (0.104 R)
• M16: 26,006,243 km (0.055 R)
• M17: 26,419,283 km (0.12 R)
• M18: 27,173,556 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 8.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.46 AU - 6.96 AU

Year: 6286 Days

Day: 12.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,229,320 km

• M1: 109,506 km (0.101 R)
• M2: 389,254 km (0.118 R)
• M3: 713,881 km (0.034 R)
• M4: 1,657,694 km (0.08 R)
• M5: 2,735,547 km (0.099 R)
• M6: 3,128,839 km (0.062 R)
• M7: 3,987,082 km (0.097 R)
• M8: 4,799,399 km (0.055 R)
• M9: 6,569,142 km (0.116 R)
• M10: 7,182,044 km (0.086 R)
• M11: 8,137,825 km (0.062 R)
• M12: 8,736,216 km (0.086 R)
• M13: 10,179,686 km (0.074 R)
• M14: 11,169,426 km (0.111 R)
• M15: 13,054,060 km (0.07 R)
• M16: 13,435,684 km (0.054 R)
• M17: 16,155,074 km (0.103 R)
• M18: 17,156,482 km (0.113 R)
• M19: 18,916,501 km (0.118 R)
• M20: 19,282,567 km (0.106 R)
• M21: 20,281,582 km (0.104 R)
• M22: 23,276,232 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.5

Radius: 7.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 17.9 AU - 18.26 AU

Year: 27803 Days

Day: 21.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,229,320 km

• M1: 90,357 km (0.11 R)
• M2: 522,994 km (0.116 R)
• M3: 900,430 km (0.112 R)
• M4: 1,335,311 km (0.074 R)
• M5: 2,351,679 km (0.075 R)
• M6: 5,192,243 km (0.112 R)
• M7: 5,651,808 km (0.073 R)
• M8: 6,804,310 km (0.118 R)
• M9: 7,641,160 km (0.062 R)
• M10: 12,644,012 km (0.064 R)
• M11: 18,560,009 km (0.069 R)
• M12: 27,144,833 km (0.076 R)
• M13: 29,436,971 km (0.069 R)
• M14: 35,784,259 km (0.111 R)
• M15: 36,018,081 km (0.066 R)
• M16: 36,488,716 km (0.102 R)
• M17: 36,844,460 km (0.077 R)
• M18: 40,024,611 km (0.089 R)
• M19: 46,229,332 km (0.117 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 18,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit