🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.59 AU - 0.87 AU

Year: 221 Days

Day: 29.5 Hours

Environment

Temp: 127 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.71 AU - 0.81 AU

Year: 235 Days

Day: 30.7 Hours

Environment

Temp: 143 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.99 AU - 1.07 AU

Year: 371 Days

Day: 45.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 43,076,920 km

• M1: 73,453 km (0.098 R)
• M2: 458,368 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.23 AU - 1.99 AU

Year: 725 Days

Day: 32.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.74 AU - 3.36 AU

Year: 1890 Days

Day: 32.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 154.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.56 AU - 3.86 AU

Year: 2535 Days

Day: 17.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.4

Radius: 10.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.39 AU - 7.31 AU

Year: 6360 Days

Day: 10.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,076,920 km

• M1: 125,662 km (0.054 R)
• M2: 467,793 km (0.099 R)
• M3: 984,653 km (0.068 R)
• M4: 1,333,815 km (0.119 R)
• M5: 2,002,816 km (0.097 R)
• M6: 2,489,757 km (0.113 R)
• M7: 2,976,848 km (0.119 R)
• M8: 3,679,808 km (0.025 R)
• M9: 4,023,584 km (0.087 R)
• M10: 5,472,589 km (0.097 R)
• M11: 6,559,717 km (0.084 R)
• M12: 8,870,256 km (0.063 R)
• M13: 9,491,686 km (0.09 R)
• M14: 9,834,863 km (0.105 R)
• M15: 11,386,941 km (0.12 R)
• M16: 12,322,077 km (0.053 R)
• M17: 13,043,438 km (0.095 R)
• M18: 15,970,919 km (0.114 R)
• M19: 16,953,328 km (0.062 R)
• M20: 17,910,455 km (0.088 R)
• M21: 18,970,656 km (0.108 R)
• M22: 20,353,987 km (0.086 R)
• M23: 21,952,291 km (0.045 R)
• M24: 22,477,828 km (0.097 R)
• M25: 24,584,316 km (0.053 R)
• M26: 24,907,148 km (0.092 R)
• M27: 26,989,700 km (0.105 R)
• M28: 28,648,291 km (0.057 R)
• M29: 29,638,929 km (0.085 R)
• M30: 30,373,753 km (0.115 R)
• M31: 31,403,735 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 13.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.19 AU - 9.19 AU

Year: 7565 Days

Day: 7.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,076,920 km

• M1: 169,345 km (0.116 R)
• M2: 611,107 km (0.072 R)
• M3: 1,104,780 km (0.103 R)
• M4: 1,911,711 km (0.095 R)
• M5: 2,494,694 km (0.082 R)
• M6: 3,423,846 km (0.081 R)
• M7: 4,865,372 km (0.108 R)
• M8: 6,587,093 km (0.114 R)
• M9: 9,292,721 km (0.092 R)
• M10: 9,887,522 km (0.086 R)
• M11: 13,904,224 km (0.054 R)
• M12: 16,557,642 km (0.096 R)
• M13: 19,725,676 km (0.036 R)
• M14: 22,634,307 km (0.08 R)
• M15: 25,356,839 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 11.3

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.9 AU - 10.82 AU

Year: 9356 Days

Day: 8.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,076,920 km

• M1: 140,622 km (0.098 R)
• M2: 579,243 km (0.097 R)
• M3: 1,628,074 km (0.108 R)
• M4: 3,459,900 km (0.106 R)
• M5: 6,424,780 km (0.086 R)
• M6: 10,225,613 km (0.103 R)
• M7: 12,206,139 km (0.046 R)
• M8: 15,443,138 km (0.038 R)
• M9: 16,502,590 km (0.072 R)
• M10: 16,981,153 km (0.118 R)
• M11: 17,398,681 km (0.066 R)
• M12: 19,438,448 km (0.086 R)
• M13: 23,727,718 km (0.063 R)
• M14: 28,026,114 km (0.084 R)
• M15: 34,012,572 km (0.094 R)
• M16: 35,575,720 km (0.07 R)
• M17: 36,490,062 km (0.12 R)
• M18: 42,563,736 km (0.07 R)

Kuiper Belt

Range: 30.9 - 48.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 14,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit