🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.44 AU - 0.66 AU

Year: 155 Days

Day: 25.4 Hours

Environment

Temp: 193 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.6 AU - 0.72 AU

Year: 204 Days

Day: 41.9 Hours

Environment

Temp: 109 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.19 AU - 1.99 AU

Year: 763 Days

Day: 31.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.25 AU - 1.95 AU

Year: 771 Days

Day: 42.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,187,971 km

• M1: 837,150 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.19 AU - 3.09 AU

Year: 1633 Days

Day: 31.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.46 AU - 3.16 AU

Year: 1794 Days

Day: 30.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 13.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.76 AU - 7.48 AU

Year: 6486 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,187,971 km

• M1: 171,738 km (0.073 R)
• M2: 912,846 km (0.09 R)
• M3: 1,573,321 km (0.112 R)
• M4: 2,323,853 km (0.111 R)
• M5: 4,664,312 km (0.048 R)
• M6: 6,071,280 km (0.106 R)
• M7: 9,307,531 km (0.04 R)
• M8: 11,160,450 km (0.077 R)
• M9: 19,134,615 km (0.107 R)
• M10: 19,983,583 km (0.116 R)
• M11: 24,839,530 km (0.094 R)
• M12: 25,850,063 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.5

Radius: 7.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 10.49 AU - 14.57 AU

Year: 16890 Days

Day: 23.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 62.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,187,971 km

• M1: 96,341 km (0.113 R)
• M2: 415,433 km (0.054 R)
• M3: 669,600 km (0.068 R)
• M4: 1,297,911 km (0.095 R)
• M5: 1,688,212 km (0.108 R)
• M6: 2,044,405 km (0.104 R)
• M7: 3,194,962 km (0.099 R)
• M8: 3,797,692 km (0.038 R)
• M9: 5,987,804 km (0.104 R)
• M10: 7,112,631 km (0.12 R)
• M11: 7,458,351 km (0.055 R)
• M12: 8,611,901 km (0.061 R)
• M13: 9,004,894 km (0.081 R)
• M14: 10,475,591 km (0.093 R)
• M15: 16,280,437 km (0.07 R)
• M16: 19,687,529 km (0.107 R)
• M17: 22,511,936 km (0.112 R)
• M18: 24,701,301 km (0.034 R)
• M19: 25,797,106 km (0.113 R)
• M20: 31,649,524 km (0.06 R)
• M21: 32,467,525 km (0.1 R)
• M22: 32,703,890 km (0.108 R)
• M23: 36,387,588 km (0.09 R)
• M24: 38,197,572 km (0.06 R)
• M25: 38,593,109 km (0.111 R)
• M26: 39,258,371 km (0.06 R)
• M27: 43,268,641 km (0.112 R)
• M28: 45,594,140 km (0.095 R)
• M29: 47,695,990 km (0.06 R)
• M30: 52,741,477 km (0.066 R)
• M31: 55,056,504 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.1

Radius: 7.3

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 13.78 AU - 21.52 AU

Year: 28237 Days

Day: 20 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,187,971 km

• M1: 90,956 km (0.104 R)
• M2: 408,552 km (0.106 R)
• M3: 1,420,282 km (0.07 R)
• M4: 2,072,379 km (0.12 R)
• M5: 3,041,175 km (0.081 R)
• M6: 3,610,694 km (0.058 R)
• M7: 4,249,328 km (0.07 R)
• M8: 8,186,444 km (0.118 R)
• M9: 8,723,650 km (0.065 R)
• M10: 9,284,044 km (0.096 R)
• M11: 14,277,920 km (0.105 R)
• M12: 19,187,273 km (0.046 R)
• M13: 20,815,048 km (0.119 R)
• M14: 24,452,370 km (0.076 R)
• M15: 30,605,929 km (0.113 R)
• M16: 38,900,533 km (0.109 R)
• M17: 41,967,139 km (0.081 R)
• M18: 47,714,839 km (0.118 R)
• M19: 60,741,223 km (0.05 R)
• M20: 67,628,560 km (0.104 R)
• M21: 77,123,686 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 19,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit