🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.54 AU - 0.64 AU

Year: 158 Days

Day: 12.9 Hours

Environment

Temp: 201 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.21 AU - 1.41 AU

Year: 522 Days

Day: 38.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 140.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,470,141 km

• M1: 40,242 km (0.092 R)
• M2: 514,317 km (0.044 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.2 AU - 1.9 AU

Year: 672 Days

Day: 37.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 72,470,141 km

• M1: 36,801 km (0.111 R)
• M2: 76,445 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.59 AU - 2.53 AU

Year: 1030 Days

Day: 18.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 12.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.95 AU - 9.03 AU

Year: 9387 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 54.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,470,141 km

• M1: 150,495 km (0.059 R)
• M2: 656,884 km (0.069 R)
• M3: 1,312,123 km (0.099 R)
• M4: 1,897,350 km (0.033 R)
• M5: 2,890,380 km (0.116 R)
• M6: 3,388,093 km (0.105 R)
• M7: 5,296,812 km (0.119 R)
• M8: 7,282,724 km (0.114 R)
• M9: 9,124,273 km (0.071 R)
• M10: 9,582,791 km (0.097 R)
• M11: 10,008,546 km (0.095 R)
• M12: 12,553,206 km (0.095 R)
• M13: 16,155,822 km (0.112 R)
• M14: 21,182,011 km (0.112 R)
• M15: 22,398,092 km (0.068 R)
• M16: 25,687,002 km (0.107 R)
• M17: 27,257,630 km (0.037 R)
• M18: 33,964,551 km (0.077 R)
• M19: 37,231,170 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 9.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.08 AU - 10.26 AU

Year: 11295 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,470,141 km

• M1: 113,246 km (0.069 R)
• M2: 466,446 km (0.069 R)
• M3: 889,210 km (0.028 R)
• M4: 1,415,944 km (0.103 R)
• M5: 1,743,713 km (0.094 R)
• M6: 2,173,358 km (0.09 R)
• M7: 3,599,474 km (0.041 R)
• M8: 4,581,584 km (0.084 R)
• M9: 7,826,213 km (0.042 R)
• M10: 9,891,262 km (0.047 R)
• M11: 10,535,280 km (0.11 R)
• M12: 12,750,227 km (0.113 R)
• M13: 13,512,876 km (0.109 R)
• M14: 18,151,607 km (0.098 R)
• M15: 18,666,972 km (0.045 R)
• M16: 19,343,902 km (0.028 R)
• M17: 19,727,022 km (0.079 R)
• M18: 20,115,079 km (0.065 R)
• M19: 21,554,660 km (0.08 R)
• M20: 22,049,529 km (0.105 R)
• M21: 25,360,878 km (0.091 R)
• M22: 26,471,942 km (0.076 R)
• M23: 33,607,610 km (0.106 R)
• M24: 34,947,259 km (0.071 R)
• M25: 35,401,588 km (0.077 R)
• M26: 38,572,165 km (0.083 R)
• M27: 39,301,754 km (0.087 R)
• M28: 40,537,881 km (0.111 R)
• M29: 41,672,282 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.4

Radius: 5.3

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 16.27 AU - 20.45 AU

Year: 27397 Days

Day: 16.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,470,141 km

• M1: 67,020 km (0.1 R)
• M2: 1,170,304 km (0.039 R)
• M3: 1,672,355 km (0.054 R)
• M4: 2,040,515 km (0.1 R)
• M5: 2,691,565 km (0.051 R)
• M6: 3,674,273 km (0.082 R)
• M7: 4,460,709 km (0.084 R)
• M8: 6,663,688 km (0.034 R)
• M9: 10,603,048 km (0.076 R)
• M10: 11,215,502 km (0.087 R)
• M11: 11,981,293 km (0.062 R)
• M12: 12,310,409 km (0.053 R)
• M13: 14,339,554 km (0.075 R)
• M14: 15,783,623 km (0.084 R)
• M15: 16,662,510 km (0.094 R)
• M16: 19,046,203 km (0.103 R)
• M17: 19,675,860 km (0.116 R)
• M18: 22,631,764 km (0.086 R)
• M19: 28,348,348 km (0.101 R)
• M20: 29,168,593 km (0.028 R)
• M21: 33,379,025 km (0.078 R)
• M22: 34,425,462 km (0.044 R)
• M23: 49,913,778 km (0.05 R)
• M24: 59,059,444 km (0.08 R)
• M25: 61,947,730 km (0.072 R)
• M26: 66,556,841 km (0.103 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 14,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit