🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.81 AU - 1.01 AU

Year: 320 Days

Day: 33.6 Hours

Environment

Temp: 85 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.77 AU - 1.85 AU

Year: 898 Days

Day: 26.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.47 AU - 2.17 AU

Year: 906 Days

Day: 16.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.45 AU - 2.31 AU

Year: 951 Days

Day: 33.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.8 AU - 4.04 AU

Year: 2334 Days

Day: 32.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.15 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.8

Radius: 9.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.32 AU - 5.42 AU

Year: 3965 Days

Day: 11.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,686,412 km

• M1: 178,021 km (0.037 R)
• M2: 658,231 km (0.039 R)
• M3: 1,320,351 km (0.08 R)
• M4: 2,170,964 km (0.089 R)
• M5: 4,630,503 km (0.117 R)
• M6: 5,522,405 km (0.077 R)
• M7: 11,107,492 km (0.087 R)
• M8: 12,245,184 km (0.082 R)
• M9: 14,613,468 km (0.066 R)
• M10: 16,417,918 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 13.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.19 AU - 6.27 AU

Year: 5061 Days

Day: 8 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,686,412 km

• M1: 172,935 km (0.059 R)
• M2: 605,871 km (0.104 R)
• M3: 1,345,034 km (0.117 R)
• M4: 2,034,232 km (0.107 R)
• M5: 2,485,569 km (0.113 R)
• M6: 2,969,069 km (0.039 R)
• M7: 4,763,645 km (0.079 R)
• M8: 5,738,724 km (0.08 R)
• M9: 6,938,499 km (0.053 R)
• M10: 7,632,184 km (0.093 R)
• M11: 8,815,354 km (0.047 R)
• M12: 9,550,328 km (0.118 R)
• M13: 10,159,042 km (0.104 R)
• M14: 12,235,909 km (0.108 R)
• M15: 13,549,827 km (0.102 R)
• M16: 15,009,902 km (0.089 R)
• M17: 16,399,966 km (0.064 R)
• M18: 19,953,514 km (0.095 R)
• M19: 21,358,088 km (0.047 R)
• M20: 22,471,545 km (0.111 R)
• M21: 24,512,957 km (0.098 R)
• M22: 26,437,833 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 11

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.29 AU - 12.05 AU

Year: 11966 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,686,412 km

• M1: 139,425 km (0.078 R)
• M2: 654,341 km (0.032 R)
• M3: 1,151,754 km (0.093 R)
• M4: 1,981,424 km (0.112 R)
• M5: 2,663,740 km (0.072 R)
• M6: 3,102,959 km (0.103 R)
• M7: 3,609,497 km (0.079 R)
• M8: 4,406,405 km (0.047 R)
• M9: 5,048,180 km (0.09 R)
• M10: 5,698,931 km (0.075 R)
• M11: 6,633,319 km (0.087 R)
• M12: 10,878,458 km (0.113 R)
• M13: 12,312,653 km (0.082 R)
• M14: 12,802,586 km (0.097 R)
• M15: 14,893,814 km (0.062 R)
• M16: 15,348,143 km (0.067 R)
• M17: 20,537,693 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.7

Radius: 3.3

Gravity: 19.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 14.27 AU - 16.23 AU

Year: 21973 Days

Day: 21.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,686,412 km

• M1: 46,675 km (0.067 R)
• M2: 354,397 km (0.065 R)
• M3: 539,899 km (0.067 R)
• M4: 874,549 km (0.096 R)
• M5: 1,487,152 km (0.073 R)
• M6: 1,814,921 km (0.08 R)
• M7: 2,764,419 km (0.088 R)
• M8: 2,945,881 km (0.103 R)
• M9: 3,087,102 km (0.12 R)
• M10: 3,698,059 km (0.057 R)
• M11: 6,549,096 km (0.111 R)
• M12: 10,702,980 km (0.056 R)
• M13: 11,609,992 km (0.093 R)
• M14: 12,690,088 km (0.088 R)
• M15: 13,127,662 km (0.088 R)
• M16: 15,822,817 km (0.118 R)
• M17: 19,681,993 km (0.111 R)
• M18: 20,267,819 km (0.113 R)
• M19: 20,437,313 km (0.095 R)
• M20: 22,095,007 km (0.111 R)
• M21: 22,727,657 km (0.044 R)
• M22: 24,601,669 km (0.08 R)
• M23: 27,705,825 km (0.099 R)
• M24: 38,305,283 km (0.102 R)
• M25: 43,995,387 km (0.081 R)
• M26: 46,156,777 km (0.119 R)
• M27: 48,538,974 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 20,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit