🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.52 AU - 0.64 AU

Year: 157 Days

Day: 22.1 Hours

Environment

Temp: 226 °C

Axial Tilt: 70.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,713,256 km

• M1: 248,033 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1 AU - 1.16 AU

Year: 400 Days

Day: 36.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.19 AU - 1.85 AU

Year: 668 Days

Day: 47.1 Hours

Environment

Temp: -36 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.6 AU - 2.42 AU

Year: 1016 Days

Day: 42.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.58 AU - 2.44 AU

Year: 1016 Days

Day: 18.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,713,256 km

• M1: 290,369 km (0.1 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.12 AU - 3.62 AU

Year: 2205 Days

Day: 37.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 13.2

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.16 AU - 8.16 AU

Year: 7557 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,713,256 km

• M1: 165,006 km (0.05 R)
• M2: 268,079 km (0.083 R)
• M3: 361,129 km (0.081 R)
• M4: 476,918 km (0.048 R)
• M5: 669,750 km (0.077 R)
• M6: 810,372 km (0.1 R)
• M7: 923,168 km (0.112 R)
• M8: 1,131,110 km (0.076 R)
• M9: 1,370,017 km (0.058 R)
• M10: 1,690,456 km (0.103 R)
• M11: 2,713,705 km (0.114 R)
• M12: 2,879,310 km (0.067 R)
• M13: 3,189,875 km (0.099 R)
• M14: 3,406,493 km (0.087 R)
• M15: 3,564,319 km (0.078 R)
• M16: 3,854,688 km (0.114 R)
• M17: 3,986,185 km (0.09 R)
• M18: 4,141,467 km (0.051 R)
• M19: 4,344,322 km (0.092 R)
• M20: 4,771,574 km (0.041 R)
• M21: 5,917,493 km (0.1 R)
• M22: 6,404,285 km (0.074 R)
• M23: 6,534,435 km (0.05 R)
• M24: 7,266,717 km (0.075 R)
• M25: 7,484,830 km (0.056 R)
• M26: 8,165,800 km (0.057 R)
• M27: 8,968,542 km (0.06 R)
• M28: 9,320,247 km (0.061 R)
• M29: 9,483,009 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.3

Radius: 13.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.77 AU - 11.87 AU

Year: 12686 Days

Day: 5.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 37,713,256 km

• M1: 238,908 km (0.077 R)
• M2: 338,839 km (0.045 R)
• M3: 634,145 km (0.117 R)
• M4: 756,666 km (0.117 R)
• M5: 843,433 km (0.093 R)
• M6: 965,205 km (0.106 R)
• M7: 1,477,129 km (0.085 R)
• M8: 1,665,623 km (0.099 R)
• M9: 2,543,613 km (0.072 R)
• M10: 2,841,462 km (0.109 R)
• M11: 2,982,832 km (0.086 R)
• M12: 3,297,436 km (0.088 R)
• M13: 3,622,812 km (0.049 R)
• M14: 3,906,300 km (0.032 R)
• M15: 4,090,604 km (0.05 R)
• M16: 4,495,416 km (0.104 R)
• M17: 5,141,080 km (0.077 R)
• M18: 5,666,917 km (0.086 R)
• M19: 5,786,146 km (0.081 R)
• M20: 6,271,442 km (0.116 R)
• M21: 7,607,351 km (0.089 R)
• M22: 7,772,208 km (0.12 R)
• M23: 8,240,000 km (0.119 R)
• M24: 8,443,304 km (0.086 R)
• M25: 9,378,889 km (0.115 R)
• M26: 9,555,863 km (0.04 R)
• M27: 10,020,963 km (0.111 R)
• M28: 10,129,272 km (0.088 R)
• M29: 10,493,543 km (0.11 R)
• M30: 11,010,553 km (0.07 R)
• M31: 11,122,452 km (0.085 R)
• M32: 11,272,200 km (0.096 R)
• M33: 11,498,242 km (0.09 R)
• M34: 11,839,923 km (0.113 R)
• M35: 12,069,706 km (0.105 R)
• M36: 12,378,326 km (0.094 R)
• M37: 13,161,172 km (0.116 R)
• M38: 13,399,182 km (0.079 R)
• M39: 14,243,512 km (0.1 R)
• M40: 14,365,435 km (0.032 R)
• M41: 14,939,591 km (0.053 R)
• M42: 15,187,924 km (0.056 R)
• M43: 16,450,081 km (0.061 R)
• M44: 16,535,501 km (0.106 R)
• M45: 16,620,922 km (0.099 R)
• M46: 17,310,269 km (0.114 R)
• M47: 17,658,383 km (0.086 R)
• M48: 18,405,924 km (0.101 R)
• M49: 18,716,788 km (0.099 R)
• M50: 18,984,568 km (0.048 R)
• M51: 19,163,786 km (0.077 R)
• M52: 21,498,261 km (0.077 R)
• M53: 22,343,489 km (0.092 R)
• M54: 22,770,142 km (0.057 R)
• M55: 23,103,895 km (0.086 R)
• M56: 23,295,380 km (0.088 R)
• M57: 24,747,976 km (0.064 R)
• M58: 25,041,936 km (0.112 R)
• M59: 25,633,595 km (0.12 R)
• M60: 26,329,524 km (0.109 R)
• M61: 26,729,998 km (0.068 R)
• M62: 27,182,980 km (0.117 R)
• M63: 27,284,108 km (0.088 R)
• M64: 28,147,737 km (0.109 R)
• M65: 28,454,712 km (0.077 R)
• M66: 29,485,890 km (0.12 R)
• M67: 30,215,030 km (0.104 R)
• M68: 30,371,958 km (0.085 R)
• M69: 30,476,826 km (0.113 R)
• M70: 33,569,014 km (0.053 R)
• M71: 33,840,235 km (0.114 R)
• M72: 34,003,446 km (0.058 R)
• M73: 36,147,184 km (0.084 R)
• M74: 36,425,286 km (0.11 R)
• M75: 36,871,537 km (0.052 R)
• M76: 37,263,483 km (0.092 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 12,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit