🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.43 AU - 0.59 AU

Year: 128 Days

Day: 34.5 Hours

Environment

Temp: 219 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.41 AU - 0.63 AU

Year: 132 Days

Day: 39.3 Hours

Environment

Temp: 207 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.77 AU - 1.19 AU

Year: 341 Days

Day: 43.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.74 AU - 2.8 AU

Year: 1202 Days

Day: 16 Hours

Environment

Temp: -72 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.35 AU - 4.83 AU

Year: 2907 Days

Day: 40.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.63 AU - 6.37 AU

Year: 4533 Days

Day: 10.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,412,565 km

• M1: 184,005 km (0.087 R)
• M2: 827,127 km (0.055 R)
• M3: 1,958,386 km (0.03 R)
• M4: 3,946,691 km (0.118 R)
• M5: 4,579,490 km (0.067 R)
• M6: 6,213,548 km (0.114 R)
• M7: 7,882,162 km (0.114 R)
• M8: 8,961,212 km (0.091 R)
• M9: 9,721,468 km (0.111 R)
• M10: 11,329,645 km (0.047 R)
• M11: 12,046,219 km (0.113 R)
• M12: 14,137,896 km (0.114 R)
• M13: 16,836,642 km (0.051 R)
• M14: 18,450,653 km (0.1 R)
• M15: 19,622,603 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.5

Radius: 5

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 15.11 AU - 16.57 AU

Year: 22157 Days

Day: 20 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,412,565 km

• M1: 94,247 km (0.111 R)
• M2: 338,241 km (0.098 R)
• M3: 662,120 km (0.112 R)
• M4: 1,415,794 km (0.104 R)
• M5: 1,724,714 km (0.109 R)
• M6: 1,948,811 km (0.1 R)
• M7: 2,251,149 km (0.113 R)
• M8: 3,533,651 km (0.061 R)
• M9: 4,894,842 km (0.12 R)
• M10: 5,203,912 km (0.115 R)
• M11: 6,490,453 km (0.117 R)
• M12: 7,562,172 km (0.115 R)
• M13: 12,905,659 km (0.04 R)
• M14: 18,216,533 km (0.091 R)
• M15: 19,891,430 km (0.111 R)
• M16: 20,238,198 km (0.088 R)
• M17: 20,765,980 km (0.045 R)
• M18: 26,143,125 km (0.098 R)
• M19: 27,511,796 km (0.117 R)
• M20: 29,261,044 km (0.084 R)
• M21: 31,316,070 km (0.104 R)
• M22: 37,525,279 km (0.094 R)
• M23: 38,723,708 km (0.038 R)
• M24: 43,772,786 km (0.055 R)
• M25: 46,151,093 km (0.089 R)
• M26: 48,301,562 km (0.06 R)
• M27: 50,678,672 km (0.108 R)
• M28: 57,747,620 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.4

Radius: 5.2

Gravity: 21.65 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 15.22 AU - 21.42 AU

Year: 27559 Days

Day: 22.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,412,565 km

• M1: 67,618 km (0.09 R)
• M2: 451,636 km (0.079 R)
• M3: 834,457 km (0.109 R)
• M4: 1,095,954 km (0.077 R)
• M5: 1,330,972 km (0.117 R)
• M6: 2,752,302 km (0.119 R)
• M7: 3,019,932 km (0.044 R)
• M8: 4,129,948 km (0.039 R)
• M9: 4,814,209 km (0.098 R)
• M10: 5,613,062 km (0.115 R)
• M11: 8,592,453 km (0.108 R)
• M12: 9,945,865 km (0.045 R)
• M13: 13,291,322 km (0.102 R)
• M14: 15,174,460 km (0.059 R)
• M15: 16,009,067 km (0.116 R)
• M16: 16,611,348 km (0.12 R)
• M17: 19,363,799 km (0.118 R)
• M18: 20,645,703 km (0.102 R)
• M19: 22,619,348 km (0.116 R)
• M20: 25,519,003 km (0.046 R)
• M21: 27,543,362 km (0.069 R)
• M22: 38,517,263 km (0.094 R)
• M23: 42,955,981 km (0.063 R)
• M24: 58,495,759 km (0.07 R)
• M25: 60,952,755 km (0.098 R)
• M26: 62,206,684 km (0.095 R)
• M27: 63,691,293 km (0.084 R)
• M28: 71,700,763 km (0.089 R)
• M29: 73,332,278 km (0.104 R)
• M30: 75,705,798 km (0.12 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 19,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit