🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.61 AU - 1.85 AU

Year: 835 Days

Day: 38.1 Hours

Environment

Temp: -61 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,572,490 km

• M1: 459,864 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.57 AU - 2.29 AU

Year: 984 Days

Day: 39.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,572,490 km

• M1: 41,439 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.94 AU - 2.2 AU

Year: 1093 Days

Day: 32.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.95 AU - 3.25 AU

Year: 2004 Days

Day: 47.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,572,490 km

• M1: 30,817 km (0.046 R)
• M2: 71,508 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.6 AU - 3.68 AU

Year: 2549 Days

Day: 31.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,572,490 km

• M1: 1,555,967 km (0.07 R)
• M2: 3,277,540 km (0.065 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.28 AU - 4.34 AU

Year: 2730 Days

Day: 47.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.1

Radius: 9.5

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.1 AU - 6.42 AU

Year: 4428 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,572,490 km

• M1: 118,182 km (0.096 R)
• M2: 570,417 km (0.118 R)
• M3: 986,748 km (0.075 R)
• M4: 1,313,021 km (0.068 R)
• M5: 1,853,966 km (0.117 R)
• M6: 2,604,499 km (0.119 R)
• M7: 3,340,670 km (0.093 R)
• M8: 3,650,188 km (0.119 R)
• M9: 3,979,154 km (0.086 R)
• M10: 4,327,866 km (0.1 R)
• M11: 6,326,344 km (0.03 R)
• M12: 6,835,576 km (0.105 R)
• M13: 7,510,262 km (0.114 R)
• M14: 7,863,762 km (0.105 R)
• M15: 9,190,096 km (0.088 R)
• M16: 11,335,180 km (0.112 R)
• M17: 11,848,600 km (0.104 R)
• M18: 12,183,251 km (0.097 R)
• M19: 13,846,929 km (0.091 R)
• M20: 14,705,770 km (0.088 R)
• M21: 17,251,028 km (0.073 R)
• M22: 20,279,338 km (0.082 R)
• M23: 21,245,740 km (0.095 R)
• M24: 22,242,660 km (0.032 R)
• M25: 26,462,367 km (0.108 R)
• M26: 28,035,987 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 10.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.75 AU - 12.61 AU

Year: 11923 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,572,490 km

• M1: 135,685 km (0.077 R)
• M2: 660,624 km (0.079 R)
• M3: 1,866,233 km (0.104 R)
• M4: 3,876,679 km (0.107 R)
• M5: 4,518,454 km (0.104 R)
• M6: 5,401,231 km (0.059 R)
• M7: 6,126,631 km (0.076 R)
• M8: 7,507,420 km (0.076 R)
• M9: 17,404,515 km (0.058 R)
• M10: 19,227,814 km (0.116 R)
• M11: 26,868,376 km (0.12 R)
• M12: 30,397,689 km (0.066 R)
• M13: 40,346,995 km (0.116 R)
• M14: 51,155,590 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.9

Radius: 7.9

Gravity: 15.04 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 12.36 AU - 12.66 AU

Year: 16243 Days

Day: 19 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,572,490 km

• M1: 98,735 km (0.12 R)
• M2: 541,245 km (0.094 R)
• M3: 880,533 km (0.092 R)
• M4: 1,659,788 km (0.101 R)
• M5: 1,927,569 km (0.083 R)
• M6: 2,714,753 km (0.031 R)
• M7: 3,275,595 km (0.106 R)
• M8: 3,526,321 km (0.114 R)
• M9: 4,695,578 km (0.081 R)
• M10: 4,943,013 km (0.082 R)
• M11: 5,274,073 km (0.117 R)
• M12: 6,229,854 km (0.09 R)
• M13: 6,704,677 km (0.075 R)
• M14: 7,775,349 km (0.09 R)
• M15: 8,532,464 km (0.104 R)
• M16: 11,732,213 km (0.088 R)
• M17: 14,286,148 km (0.09 R)
• M18: 16,775,456 km (0.066 R)
• M19: 18,733,992 km (0.079 R)
• M20: 21,705,454 km (0.099 R)
• M21: 22,594,664 km (0.082 R)
• M22: 24,657,469 km (0.107 R)
• M23: 25,734,424 km (0.103 R)
• M24: 26,063,539 km (0.055 R)
• M25: 27,294,431 km (0.073 R)
• M26: 28,680,904 km (0.117 R)
• M27: 30,601,890 km (0.12 R)
• M28: 35,234,487 km (0.117 R)
• M29: 43,181,725 km (0.074 R)
• M30: 43,646,675 km (0.103 R)
• M31: 45,539,836 km (0.071 R)
• M32: 48,648,330 km (0.117 R)
• M33: 55,101,982 km (0.026 R)
• M34: 58,817,245 km (0.084 R)
• M35: 68,198,528 km (0.078 R)
• M36: 71,823,135 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 19,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit