🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.69 AU - 0.89 AU

Year: 260 Days

Day: 34.2 Hours

Environment

Temp: 147 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.94 AU - 1.48 AU

Year: 494 Days

Day: 21.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 67,966,629 km

• M1: 25,731 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.4 AU - 2.28 AU

Year: 926 Days

Day: 33.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,966,629 km

• M1: 1,004,550 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.98 AU - 2.44 AU

Year: 1218 Days

Day: 12.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.63 AU - 3.23 AU

Year: 1860 Days

Day: 30.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,966,629 km

• M1: 99,333 km (0.068 R)

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.8

Radius: 8.4

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.13 AU - 7.59 AU

Year: 7405 Days

Day: 10.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,966,629 km

• M1: 105,915 km (0.094 R)
• M2: 385,514 km (0.076 R)
• M3: 780,901 km (0.117 R)
• M4: 2,037,972 km (0.086 R)
• M5: 2,352,277 km (0.101 R)
• M6: 2,699,045 km (0.053 R)
• M7: 3,228,621 km (0.097 R)
• M8: 6,826,749 km (0.032 R)
• M9: 7,928,089 km (0.08 R)
• M10: 11,421,797 km (0.092 R)
• M11: 15,953,267 km (0.093 R)
• M12: 17,131,649 km (0.109 R)
• M13: 18,720,528 km (0.099 R)
• M14: 20,632,239 km (0.118 R)
• M15: 25,271,867 km (0.093 R)
• M16: 31,259,373 km (0.113 R)
• M17: 33,099,576 km (0.077 R)
• M18: 33,518,001 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 8.6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.77 AU - 9.67 AU

Year: 8740 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,966,629 km

• M1: 251,175 km (0.107 R)
• M2: 629,657 km (0.074 R)
• M3: 1,109,717 km (0.105 R)
• M4: 1,377,796 km (0.1 R)
• M5: 1,717,982 km (0.09 R)
• M6: 3,826,115 km (0.095 R)
• M7: 4,288,373 km (0.12 R)
• M8: 4,991,782 km (0.073 R)
• M9: 6,626,587 km (0.084 R)
• M10: 7,843,716 km (0.069 R)
• M11: 8,420,715 km (0.087 R)
• M12: 9,566,933 km (0.109 R)
• M13: 12,274,505 km (0.04 R)
• M14: 13,165,809 km (0.059 R)
• M15: 17,647,462 km (0.11 R)
• M16: 34,965,810 km (0.112 R)
• M17: 38,362,579 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.6

Radius: 3

Gravity: 48.18 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 13.59 AU - 16.11 AU

Year: 21222 Days

Day: 16.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,966,629 km

• M1: 37,250 km (0.12 R)
• M2: 186,549 km (0.071 R)
• M3: 930,200 km (0.111 R)
• M4: 1,203,964 km (0.095 R)
• M5: 1,816,866 km (0.082 R)
• M6: 3,025,318 km (0.078 R)
• M7: 4,255,611 km (0.075 R)
• M8: 7,000,283 km (0.044 R)
• M9: 7,931,679 km (0.113 R)
• M10: 8,226,387 km (0.101 R)
• M11: 11,277,585 km (0.11 R)
• M12: 13,636,893 km (0.066 R)
• M13: 15,838,226 km (0.068 R)
• M14: 15,992,910 km (0.108 R)
• M15: 16,861,625 km (0.096 R)
• M16: 24,556,042 km (0.037 R)
• M17: 25,181,062 km (0.034 R)
• M18: 38,598,345 km (0.113 R)
• M19: 42,494,921 km (0.098 R)
• M20: 42,943,415 km (0.082 R)
• M21: 43,244,107 km (0.08 R)
• M22: 46,963,409 km (0.086 R)
• M23: 51,565,189 km (0.12 R)
• M24: 60,324,893 km (0.112 R)
• M25: 67,559,894 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 14,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit