🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.5 AU - 0.64 AU

Year: 154 Days

Day: 31.4 Hours

Environment

Temp: 248 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.98 AU - 1.1 AU

Year: 380 Days

Day: 45.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 141.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 62,709,028 km

• M1: 808,726 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.89 AU - 1.33 AU

Year: 419 Days

Day: 41.5 Hours

Environment

Temp: 26 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.52 AU - 1.66 AU

Year: 718 Days

Day: 20.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,709,028 km

• M1: 36,352 km (0.105 R)
• M2: 1,286,392 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.34 AU - 3.64 AU

Year: 1852 Days

Day: 42.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.4

Radius: 9.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.75 AU - 7.27 AU

Year: 5949 Days

Day: 12.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,709,028 km

• M1: 116,238 km (0.027 R)
• M2: 491,728 km (0.106 R)
• M3: 1,413,550 km (0.081 R)
• M4: 1,955,992 km (0.088 R)
• M5: 2,631,726 km (0.105 R)
• M6: 3,771,961 km (0.084 R)
• M7: 7,226,924 km (0.057 R)
• M8: 7,873,037 km (0.12 R)
• M9: 8,226,537 km (0.105 R)
• M10: 9,104,526 km (0.066 R)
• M11: 11,006,364 km (0.115 R)
• M12: 12,980,757 km (0.101 R)
• M13: 13,338,894 km (0.059 R)
• M14: 13,981,567 km (0.083 R)
• M15: 14,838,014 km (0.1 R)
• M16: 15,528,109 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 9.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.38 AU - 8.96 AU

Year: 6876 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,709,028 km

• M1: 121,025 km (0.108 R)
• M2: 570,716 km (0.037 R)
• M3: 8,464,098 km (0.105 R)
• M4: 8,872,949 km (0.053 R)
• M5: 10,216,787 km (0.104 R)
• M6: 12,070,903 km (0.086 R)
• M7: 13,624,476 km (0.087 R)
• M8: 15,407,234 km (0.067 R)
• M9: 15,863,358 km (0.099 R)
• M10: 16,643,661 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.8

Radius: 13.8

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.29 AU - 8.11 AU

Year: 6919 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,709,028 km

• M1: 171,888 km (0.111 R)
• M2: 652,396 km (0.117 R)
• M3: 1,301,352 km (0.062 R)
• M4: 2,533,889 km (0.066 R)
• M5: 3,469,623 km (0.106 R)
• M6: 3,900,615 km (0.06 R)
• M7: 5,584,339 km (0.075 R)
• M8: 6,649,027 km (0.112 R)
• M9: 8,737,862 km (0.09 R)
• M10: 9,666,715 km (0.116 R)
• M11: 10,994,995 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355

Radius: 4.1

Gravity: 21.12 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 14.03 AU - 15.95 AU

Year: 20786 Days

Day: 20.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,709,028 km

• M1: 51,013 km (0.102 R)
• M2: 508,483 km (0.096 R)
• M3: 1,190,799 km (0.077 R)
• M4: 1,441,226 km (0.12 R)
• M5: 2,427,824 km (0.1 R)
• M6: 2,925,835 km (0.065 R)
• M7: 3,224,732 km (0.09 R)
• M8: 3,598,876 km (0.044 R)
• M9: 5,760,715 km (0.102 R)
• M10: 7,558,881 km (0.08 R)
• M11: 8,460,807 km (0.108 R)
• M12: 8,609,507 km (0.113 R)
• M13: 12,087,658 km (0.05 R)
• M14: 13,450,195 km (0.071 R)
• M15: 13,652,900 km (0.099 R)
• M16: 14,625,735 km (0.086 R)
• M17: 15,201,986 km (0.11 R)
• M18: 18,728,008 km (0.119 R)
• M19: 20,456,312 km (0.096 R)
• M20: 21,267,581 km (0.07 R)
• M21: 23,340,709 km (0.088 R)
• M22: 24,526,272 km (0.096 R)
• M23: 28,992,067 km (0.081 R)
• M24: 29,443,703 km (0.062 R)
• M25: 30,245,249 km (0.117 R)
• M26: 35,362,543 km (0.096 R)
• M27: 36,398,508 km (0.064 R)
• M28: 38,939,727 km (0.061 R)
• M29: 40,183,783 km (0.082 R)

Kuiper Belt

Range: 30.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 11,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit