🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.55 AU - 0.63 AU

Year: 160 Days

Day: 30.8 Hours

Environment

Temp: 252 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.57 AU - 0.69 AU

Year: 177 Days

Day: 27.8 Hours

Environment

Temp: 181 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.8 AU - 0.96 AU

Year: 291 Days

Day: 22.3 Hours

Environment

Temp: 138 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.82 AU - 1.12 AU

Year: 337 Days

Day: 23.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,371,133 km

• M1: 39,195 km (0.064 R)
• M2: 321,785 km (0.076 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.04 AU - 1.24 AU

Year: 430 Days

Day: 28.8 Hours

Environment

Temp: 40 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 53,371,133 km

• M1: 193,879 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.39 AU - 3.11 AU

Year: 1610 Days

Day: 31.3 Hours

Environment

Temp: -76 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 11.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 11.47 AU - 14.33 AU

Year: 16360 Days

Day: 9.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 53,371,133 km

• M1: 303,833 km (0.118 R)
• M2: 404,662 km (0.047 R)
• M3: 943,663 km (0.095 R)
• M4: 1,213,239 km (0.039 R)
• M5: 1,323,642 km (0.106 R)
• M6: 1,952,851 km (0.104 R)
• M7: 2,030,941 km (0.048 R)
• M8: 2,437,996 km (0.1 R)
• M9: 2,694,557 km (0.098 R)
• M10: 3,548,461 km (0.12 R)
• M11: 3,938,762 km (0.09 R)
• M12: 4,411,641 km (0.11 R)
• M13: 4,550,169 km (0.109 R)
• M14: 5,337,652 km (0.1 R)
• M15: 6,400,246 km (0.075 R)
• M16: 6,676,104 km (0.1 R)
• M17: 6,955,703 km (0.075 R)
• M18: 7,117,418 km (0.109 R)
• M19: 7,198,650 km (0.095 R)
• M20: 7,526,867 km (0.086 R)
• M21: 8,283,234 km (0.109 R)
• M22: 8,368,804 km (0.076 R)
• M23: 8,713,926 km (0.063 R)
• M24: 9,151,949 km (0.058 R)
• M25: 9,867,775 km (0.117 R)
• M26: 10,232,494 km (0.09 R)
• M27: 11,400,555 km (0.114 R)
• M28: 11,495,848 km (0.065 R)
• M29: 12,414,230 km (0.074 R)
• M30: 13,056,154 km (0.107 R)
• M31: 14,372,316 km (0.11 R)
• M32: 15,098,464 km (0.07 R)
• M33: 15,677,408 km (0.026 R)
• M34: 15,889,837 km (0.099 R)
• M35: 16,424,799 km (0.082 R)
• M36: 16,857,137 km (0.111 R)
• M37: 17,732,883 km (0.117 R)
• M38: 19,130,875 km (0.094 R)
• M39: 19,471,659 km (0.091 R)
• M40: 19,929,129 km (0.111 R)
• M41: 20,274,551 km (0.101 R)
• M42: 20,448,084 km (0.054 R)
• M43: 21,440,367 km (0.065 R)
• M44: 22,687,863 km (0.051 R)
• M45: 23,775,739 km (0.067 R)
• M46: 24,264,625 km (0.098 R)
• M47: 28,036,436 km (0.104 R)
• M48: 29,464,497 km (0.047 R)
• M49: 29,595,545 km (0.079 R)
• M50: 29,923,912 km (0.083 R)
• M51: 30,650,509 km (0.11 R)
• M52: 31,182,629 km (0.081 R)
• M53: 33,001,141 km (0.109 R)
• M54: 33,546,425 km (0.114 R)
• M55: 34,301,146 km (0.057 R)
• M56: 34,577,005 km (0.112 R)
• M57: 35,548,344 km (0.11 R)
• M58: 36,247,564 km (0.098 R)
• M59: 36,810,202 km (0.089 R)
• M60: 37,944,303 km (0.101 R)
• M61: 38,658,932 km (0.108 R)
• M62: 39,956,394 km (0.1 R)
• M63: 41,121,612 km (0.062 R)
• M64: 41,561,430 km (0.106 R)
• M65: 41,634,883 km (0.094 R)
• M66: 41,708,485 km (0.092 R)
• M67: 43,560,058 km (0.088 R)
• M68: 43,709,356 km (0.056 R)
• M69: 44,233,248 km (0.088 R)
• M70: 44,909,730 km (0.105 R)
• M71: 46,121,024 km (0.058 R)
• M72: 46,501,750 km (0.119 R)
• M73: 46,578,045 km (0.07 R)
• M74: 48,807,951 km (0.069 R)
• M75: 49,118,366 km (0.092 R)
• M76: 50,053,204 km (0.072 R)
• M77: 50,209,533 km (0.11 R)
• M78: 50,287,773 km (0.061 R)
• M79: 51,151,252 km (0.093 R)
• M80: 51,308,778 km (0.033 R)
• M81: 51,387,617 km (0.084 R)
• M82: 52,892,721 km (0.088 R)
• M83: 52,972,456 km (0.092 R)
• M84: 53,211,514 km (0.063 R)
• M85: 53,291,249 km (0.029 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 15,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit