🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.45 AU - 0.71 AU

Year: 161 Days

Day: 28.4 Hours

Environment

Temp: 145 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,432,726 km

• M1: 329,115 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.85 AU - 0.97 AU

Year: 315 Days

Day: 16.9 Hours

Environment

Temp: 73 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,432,726 km

• M1: 35,604 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.89 AU - 1.15 AU

Year: 374 Days

Day: 46.9 Hours

Environment

Temp: 43 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,432,726 km

• M1: 33,061 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.07 AU - 3.11 AU

Year: 1515 Days

Day: 46.7 Hours

Environment

Temp: -94 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.6 AU - 2.88 AU

Year: 1648 Days

Day: 30.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.24 AU - 3.32 AU

Year: 2159 Days

Day: 30.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 9.2

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.5 AU - 5.38 AU

Year: 3990 Days

Day: 9.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,432,726 km

• M1: 121,324 km (0.071 R)
• M2: 428,299 km (0.057 R)
• M3: 1,076,357 km (0.109 R)
• M4: 3,578,231 km (0.052 R)
• M5: 4,568,121 km (0.088 R)
• M6: 4,979,814 km (0.096 R)
• M7: 6,057,367 km (0.101 R)
• M8: 8,101,772 km (0.114 R)
• M9: 11,428,679 km (0.066 R)
• M10: 16,445,743 km (0.084 R)
• M11: 17,046,827 km (0.084 R)
• M12: 18,102,240 km (0.076 R)
• M13: 18,420,734 km (0.098 R)
• M14: 22,103,833 km (0.113 R)
• M15: 22,614,710 km (0.056 R)
• M16: 23,433,310 km (0.118 R)
• M17: 24,658,965 km (0.081 R)
• M18: 26,088,373 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 10.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 10.17 AU - 13.79 AU

Year: 15070 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,432,726 km

• M1: 133,441 km (0.054 R)
• M2: 800,349 km (0.113 R)
• M3: 1,905,727 km (0.115 R)
• M4: 2,683,487 km (0.05 R)
• M5: 3,807,715 km (0.069 R)
• M6: 5,190,747 km (0.088 R)
• M7: 6,030,290 km (0.082 R)
• M8: 6,447,219 km (0.05 R)
• M9: 7,614,232 km (0.075 R)
• M10: 8,828,668 km (0.088 R)
• M11: 9,321,593 km (0.094 R)
• M12: 10,362,645 km (0.106 R)
• M13: 18,366,131 km (0.109 R)
• M14: 19,393,868 km (0.071 R)
• M15: 19,769,957 km (0.087 R)
• M16: 20,459,304 km (0.049 R)
• M17: 22,376,251 km (0.112 R)
• M18: 23,041,064 km (0.045 R)
• M19: 25,651,696 km (0.102 R)
• M20: 26,749,146 km (0.109 R)
• M21: 28,260,683 km (0.085 R)
• M22: 35,885,388 km (0.116 R)
• M23: 39,260,615 km (0.092 R)
• M24: 39,984,369 km (0.082 R)
• M25: 41,210,473 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319

Radius: 6.9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 13.71 AU - 16.43 AU

Year: 21262 Days

Day: 16.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 132 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,432,726 km

• M1: 93,947 km (0.119 R)
• M2: 486,941 km (0.091 R)
• M3: 775,366 km (0.098 R)
• M4: 2,330,735 km (0.06 R)
• M5: 6,870,282 km (0.081 R)
• M6: 7,616,925 km (0.072 R)
• M7: 8,080,828 km (0.074 R)
• M8: 13,670,852 km (0.103 R)
• M9: 16,547,469 km (0.11 R)
• M10: 20,502,837 km (0.042 R)
• M11: 22,888,175 km (0.115 R)
• M12: 24,744,086 km (0.087 R)
• M13: 26,278,362 km (0.108 R)
• M14: 33,786,978 km (0.107 R)
• M15: 34,533,023 km (0.055 R)
• M16: 40,066,499 km (0.039 R)
• M17: 40,622,404 km (0.117 R)
• M18: 47,390,062 km (0.111 R)
• M19: 52,517,230 km (0.106 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 16,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit