🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.69 AU

Year: 160 Days

Day: 31.5 Hours

Environment

Temp: 204 °C

Axial Tilt: 21.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,590,111 km

• M1: 346,169 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.92 AU - 1.24 AU

Year: 396 Days

Day: 45.6 Hours

Environment

Temp: 45 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,590,111 km

• M1: 30,518 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.88 AU - 1.44 AU

Year: 441 Days

Day: 17.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 62.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.41 AU - 5.65 AU

Year: 3404 Days

Day: 17.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,590,111 km

• M1: 3,071,394 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.59 AU - 5.07 AU

Year: 3748 Days

Day: 40.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,590,111 km

• M1: 2,725,673 km (0.056 R)

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.5

Radius: 9.1

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.53 AU - 7.57 AU

Year: 5919 Days

Day: 11.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,590,111 km

• M1: 113,694 km (0.106 R)
• M2: 421,866 km (0.097 R)
• M3: 764,146 km (0.116 R)
• M4: 1,350,719 km (0.106 R)
• M5: 2,376,362 km (0.079 R)
• M6: 3,113,281 km (0.084 R)
• M7: 4,315,001 km (0.116 R)
• M8: 4,625,566 km (0.058 R)
• M9: 5,438,182 km (0.095 R)
• M10: 6,475,344 km (0.1 R)
• M11: 7,093,931 km (0.062 R)
• M12: 7,826,961 km (0.084 R)
• M13: 8,290,415 km (0.104 R)
• M14: 12,578,339 km (0.083 R)
• M15: 16,534,454 km (0.09 R)
• M16: 17,362,927 km (0.041 R)
• M17: 18,352,667 km (0.091 R)
• M18: 19,449,518 km (0.103 R)
• M19: 20,881,320 km (0.102 R)
• M20: 24,438,907 km (0.107 R)
• M21: 27,490,404 km (0.034 R)
• M22: 28,742,688 km (0.108 R)
• M23: 29,290,964 km (0.085 R)
• M24: 30,597,252 km (0.091 R)
• M25: 31,650,571 km (0.072 R)
• M26: 33,728,186 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.4

Radius: 6.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 11.06 AU - 15.92 AU

Year: 17495 Days

Day: 21.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,590,111 km

• M1: 82,129 km (0.099 R)
• M2: 426,354 km (0.106 R)
• M3: 724,502 km (0.099 R)
• M4: 1,500,317 km (0.117 R)
• M5: 2,036,625 km (0.1 R)
• M6: 2,594,625 km (0.106 R)
• M7: 3,678,163 km (0.111 R)
• M8: 4,560,192 km (0.077 R)
• M9: 5,843,293 km (0.111 R)
• M10: 16,185,293 km (0.084 R)
• M11: 17,147,058 km (0.054 R)
• M12: 17,713,585 km (0.054 R)
• M13: 18,734,740 km (0.067 R)
• M14: 23,558,224 km (0.096 R)
• M15: 38,492,729 km (0.115 R)
• M16: 39,097,254 km (0.055 R)
• M17: 40,077,718 km (0.076 R)
• M18: 42,471,883 km (0.07 R)
• M19: 43,247,248 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.4

Radius: 4.1

Gravity: 28.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 18.97 AU - 19.17 AU

Year: 29405 Days

Day: 21.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,590,111 km

• M1: 364,570 km (0.071 R)
• M2: 504,294 km (0.108 R)
• M3: 908,957 km (0.079 R)
• M4: 3,645,700 km (0.064 R)
• M5: 5,324,039 km (0.106 R)
• M6: 8,134,833 km (0.053 R)
• M7: 16,433,924 km (0.084 R)
• M8: 18,213,092 km (0.07 R)
• M9: 22,044,293 km (0.09 R)
• M10: 22,359,496 km (0.072 R)
• M11: 22,891,466 km (0.105 R)
• M12: 25,103,869 km (0.107 R)
• M13: 29,311,459 km (0.056 R)
• M14: 34,809,779 km (0.117 R)
• M15: 35,237,030 km (0.04 R)
• M16: 39,088,577 km (0.098 R)
• M17: 39,395,851 km (0.058 R)
• M18: 45,039,281 km (0.093 R)
• M19: 46,400,772 km (0.1 R)
• M20: 48,317,270 km (0.075 R)
• M21: 49,205,582 km (0.079 R)
• M22: 50,285,828 km (0.047 R)
• M23: 50,467,440 km (0.095 R)
• M24: 56,315,520 km (0.077 R)
• M25: 59,910,058 km (0.072 R)
• M26: 65,367,687 km (0.054 R)
• M27: 83,455,117 km (0.111 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 19,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit