🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.55 AU - 0.57 AU

Year: 155 Days

Day: 19.5 Hours

Environment

Temp: 224 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,760,777 km

• M1: 54,005 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.91 AU - 0.99 AU

Year: 343 Days

Day: 31.6 Hours

Environment

Temp: 43 °C

Axial Tilt: 42.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1 AU - 1.46 AU

Year: 506 Days

Day: 46.6 Hours

Environment

Temp: 9 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.12 AU - 1.78 AU

Year: 648 Days

Day: 16.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 14.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.7

Radius: 3.5

Gravity: 70.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.33 AU - 17.29 AU

Year: 20075 Days

Day: 17.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,760,777 km

• M1: 43,533 km (0.082 R)
• M2: 220,208 km (0.116 R)
• M3: 387,010 km (0.113 R)
• M4: 547,977 km (0.106 R)
• M5: 993,479 km (0.081 R)
• M6: 1,209,948 km (0.1 R)
• M7: 1,376,300 km (0.094 R)
• M8: 1,681,480 km (0.068 R)
• M9: 2,765,765 km (0.064 R)
• M10: 3,249,864 km (0.057 R)
• M11: 3,725,585 km (0.053 R)
• M12: 5,001,057 km (0.058 R)
• M13: 5,232,186 km (0.067 R)
• M14: 5,715,686 km (0.117 R)
• M15: 6,011,291 km (0.119 R)
• M16: 8,054,349 km (0.118 R)
• M17: 8,479,507 km (0.107 R)
• M18: 9,549,281 km (0.085 R)
• M19: 11,285,065 km (0.085 R)
• M20: 12,226,933 km (0.099 R)
• M21: 12,717,016 km (0.112 R)
• M22: 15,045,507 km (0.105 R)
• M23: 16,184,545 km (0.051 R)
• M24: 17,118,784 km (0.097 R)
• M25: 21,922,820 km (0.099 R)
• M26: 31,928,374 km (0.108 R)
• M27: 37,470,078 km (0.074 R)
• M28: 42,023,538 km (0.117 R)
• M29: 44,106,090 km (0.115 R)
• M30: 47,101,787 km (0.114 R)
• M31: 56,704,474 km (0.056 R)
• M32: 64,758,824 km (0.097 R)
• M33: 66,029,059 km (0.079 R)
• M34: 74,462,041 km (0.085 R)
• M35: 75,855,844 km (0.087 R)
• M36: 76,324,385 km (0.069 R)
• M37: 78,217,546 km (0.102 R)
• M38: 78,456,304 km (0.118 R)
• M39: 80,627,568 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.4

Radius: 3.4

Gravity: 42.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 13.44 AU - 18.4 AU

Year: 23557 Days

Day: 18.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,760,777 km

• M1: 42,336 km (0.087 R)
• M2: 292,763 km (0.093 R)
• M3: 753,524 km (0.085 R)
• M4: 904,768 km (0.105 R)
• M5: 1,063,042 km (0.107 R)
• M6: 1,651,560 km (0.114 R)
• M7: 1,908,121 km (0.046 R)
• M8: 2,641,599 km (0.12 R)
• M9: 3,233,408 km (0.065 R)
• M10: 3,516,448 km (0.099 R)
• M11: 4,263,091 km (0.112 R)
• M12: 4,924,762 km (0.108 R)
• M13: 5,978,829 km (0.092 R)
• M14: 7,081,066 km (0.08 R)
• M15: 8,680,566 km (0.115 R)
• M16: 9,851,917 km (0.063 R)
• M17: 10,874,269 km (0.114 R)
• M18: 13,127,064 km (0.076 R)
• M19: 14,815,874 km (0.092 R)
• M20: 15,357,269 km (0.069 R)
• M21: 15,514,346 km (0.103 R)
• M22: 16,809,714 km (0.118 R)
• M23: 17,313,560 km (0.091 R)
• M24: 18,263,357 km (0.106 R)
• M25: 20,932,632 km (0.102 R)
• M26: 21,613,751 km (0.067 R)
• M27: 24,700,852 km (0.092 R)
• M28: 30,600,992 km (0.102 R)
• M29: 35,424,626 km (0.045 R)
• M30: 38,520,105 km (0.071 R)
• M31: 46,052,209 km (0.104 R)
• M32: 46,215,420 km (0.052 R)
• M33: 47,868,327 km (0.051 R)
• M34: 48,203,426 km (0.041 R)
• M35: 50,075,344 km (0.04 R)
• M36: 50,247,830 km (0.077 R)
• M37: 55,425,263 km (0.045 R)
• M38: 59,581,990 km (0.05 R)
• M39: 68,085,282 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 16,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit