🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.91 AU - 1.41 AU

Year: 463 Days

Day: 14.4 Hours

Environment

Temp: -11 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.11 AU - 1.37 AU

Year: 512 Days

Day: 34.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.34 AU - 1.8 AU

Year: 730 Days

Day: 40.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.32 AU - 3.64 AU

Year: 1908 Days

Day: 39.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.62 AU - 3.7 AU

Year: 2597 Days

Day: 32.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 10.3

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.9 AU - 9.04 AU

Year: 9963 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,538,414 km

• M1: 128,205 km (0.097 R)
• M2: 458,218 km (0.106 R)
• M3: 917,035 km (0.051 R)
• M4: 1,242,410 km (0.05 R)
• M5: 1,676,543 km (0.046 R)
• M6: 2,967,872 km (0.095 R)
• M7: 3,780,787 km (0.063 R)
• M8: 5,087,524 km (0.095 R)
• M9: 5,422,474 km (0.083 R)
• M10: 6,556,127 km (0.114 R)
• M11: 8,754,767 km (0.099 R)
• M12: 9,435,437 km (0.098 R)
• M13: 10,098,903 km (0.103 R)
• M14: 10,684,130 km (0.104 R)
• M15: 12,698,166 km (0.059 R)
• M16: 13,129,457 km (0.108 R)
• M17: 15,784,371 km (0.102 R)
• M18: 17,690,397 km (0.096 R)
• M19: 18,462,920 km (0.086 R)
• M20: 20,408,441 km (0.109 R)
• M21: 21,866,721 km (0.037 R)
• M22: 22,308,483 km (0.062 R)
• M23: 30,213,534 km (0.114 R)
• M24: 32,332,438 km (0.069 R)
• M25: 36,245,171 km (0.099 R)
• M26: 37,113,885 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 14

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.32 AU - 11.18 AU

Year: 13071 Days

Day: 5.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,538,414 km

• M1: 200,012 km (0.117 R)
• M2: 757,414 km (0.071 R)
• M3: 1,224,907 km (0.061 R)
• M4: 2,321,909 km (0.084 R)
• M5: 3,864,412 km (0.101 R)
• M6: 4,419,869 km (0.072 R)
• M7: 5,555,167 km (0.115 R)
• M8: 6,720,236 km (0.113 R)
• M9: 7,197,154 km (0.104 R)
• M10: 9,190,994 km (0.094 R)
• M11: 10,083,794 km (0.07 R)
• M12: 11,530,555 km (0.103 R)
• M13: 13,795,766 km (0.065 R)
• M14: 16,917,724 km (0.116 R)
• M15: 25,947,601 km (0.108 R)
• M16: 28,857,130 km (0.069 R)
• M17: 38,376,342 km (0.1 R)
• M18: 39,648,223 km (0.062 R)
• M19: 42,545,036 km (0.032 R)
• M20: 43,358,998 km (0.113 R)
• M21: 44,045,203 km (0.084 R)
• M22: 50,248,728 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.4

Radius: 3.1

Gravity: 43.33 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 16.87 AU - 17.03 AU

Year: 25880 Days

Day: 20.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,538,414 km

• M1: 38,596 km (0.057 R)
• M2: 218,562 km (0.03 R)
• M3: 1,233,883 km (0.082 R)
• M4: 2,713,406 km (0.092 R)
• M5: 3,819,982 km (0.101 R)
• M6: 4,934,486 km (0.088 R)
• M7: 7,197,154 km (0.104 R)
• M8: 7,730,171 km (0.111 R)
• M9: 7,981,046 km (0.091 R)
• M10: 9,890,813 km (0.059 R)
• M11: 11,492,258 km (0.111 R)
• M12: 12,151,536 km (0.116 R)
• M13: 14,887,531 km (0.08 R)
• M14: 16,811,659 km (0.074 R)
• M15: 24,305,465 km (0.034 R)
• M16: 24,519,540 km (0.047 R)
• M17: 24,951,578 km (0.102 R)
• M18: 33,092,695 km (0.081 R)
• M19: 56,553,829 km (0.098 R)
• M20: 64,597,408 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 18,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit