🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.65 AU - 0.71 AU

Year: 204 Days

Day: 40.5 Hours

Environment

Temp: 132 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.93 AU - 1.29 AU

Year: 425 Days

Day: 36.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,394,613 km

• M1: 228,885 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.89 AU - 1.41 AU

Year: 448 Days

Day: 29.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 47.2 °

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: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.39 AU - 1.51 AU

Year: 635 Days

Day: 33.9 Hours

Environment

Temp: -26 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.53 AU - 2.09 AU

Year: 885 Days

Day: 29.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 84.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,394,613 km

• M1: 174,282 km (0.117 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.07 AU - 2.53 AU

Year: 1268 Days

Day: 15.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 10.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.93 AU - 8.63 AU

Year: 8659 Days

Day: 11.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 36,394,613 km

• M1: 130,150 km (0.1 R)
• M2: 496,366 km (0.101 R)
• M3: 581,936 km (0.116 R)
• M4: 798,553 km (0.03 R)
• M5: 947,553 km (0.107 R)
• M6: 1,057,507 km (0.079 R)
• M7: 1,172,099 km (0.085 R)
• M8: 1,239,568 km (0.114 R)
• M9: 1,308,383 km (0.099 R)
• M10: 1,596,957 km (0.1 R)
• M11: 1,787,695 km (0.062 R)
• M12: 2,067,592 km (0.079 R)
• M13: 2,150,170 km (0.086 R)
• M14: 2,624,246 km (0.058 R)
• M15: 3,154,271 km (0.115 R)
• M16: 3,692,075 km (0.113 R)
• M17: 3,767,622 km (0.086 R)
• M18: 4,179,615 km (0.114 R)
• M19: 4,525,036 km (0.105 R)
• M20: 4,660,273 km (0.06 R)
• M21: 4,990,585 km (0.117 R)
• M22: 5,074,360 km (0.09 R)
• M23: 5,300,103 km (0.116 R)
• M24: 6,116,010 km (0.083 R)
• M25: 6,722,779 km (0.111 R)
• M26: 6,939,696 km (0.117 R)
• M27: 7,096,175 km (0.091 R)
• M28: 7,222,136 km (0.075 R)
• M29: 7,412,425 km (0.042 R)
• M30: 8,223,245 km (0.093 R)
• M31: 10,140,043 km (0.03 R)
• M32: 10,317,616 km (0.111 R)
• M33: 10,603,946 km (0.026 R)
• M34: 10,856,766 km (0.12 R)
• M35: 11,148,033 km (0.108 R)
• M36: 11,626,896 km (0.108 R)
• M37: 11,775,596 km (0.062 R)
• M38: 11,887,496 km (0.096 R)
• M39: 12,301,134 km (0.118 R)
• M40: 12,795,854 km (0.076 R)
• M41: 12,911,044 km (0.072 R)
• M42: 13,142,323 km (0.058 R)
• M43: 13,219,665 km (0.067 R)
• M44: 13,452,738 km (0.096 R)
• M45: 13,569,873 km (0.053 R)
• M46: 13,726,502 km (0.099 R)
• M47: 13,844,236 km (0.106 R)
• M48: 14,199,830 km (0.095 R)
• M49: 14,438,588 km (0.078 R)
• M50: 15,041,318 km (0.099 R)
• M51: 15,162,941 km (0.082 R)
• M52: 15,488,616 km (0.067 R)
• M53: 15,857,673 km (0.104 R)
• M54: 17,575,955 km (0.12 R)
• M55: 18,913,958 km (0.101 R)
• M56: 20,061,374 km (0.107 R)
• M57: 20,463,792 km (0.111 R)
• M58: 20,643,459 km (0.096 R)
• M59: 21,412,990 km (0.088 R)
• M60: 21,641,127 km (0.057 R)
• M61: 21,870,162 km (0.088 R)
• M62: 22,146,020 km (0.06 R)
• M63: 22,840,453 km (0.068 R)
• M64: 23,307,498 km (0.113 R)
• M65: 23,401,296 km (0.096 R)
• M66: 24,393,728 km (0.088 R)
• M67: 27,155,753 km (0.116 R)
• M68: 27,353,223 km (0.097 R)
• M69: 27,551,290 km (0.098 R)
• M70: 28,048,404 km (0.095 R)
• M71: 28,598,625 km (0.06 R)
• M72: 29,051,458 km (0.077 R)
• M73: 29,811,564 km (0.099 R)
• M74: 31,092,870 km (0.109 R)
• M75: 31,454,747 km (0.09 R)
• M76: 31,662,240 km (0.115 R)
• M77: 31,818,121 km (0.075 R)
• M78: 32,182,990 km (0.111 R)
• M79: 32,496,697 km (0.067 R)
• M80: 33,179,910 km (0.108 R)
• M81: 33,338,334 km (0.079 R)
• M82: 33,549,866 km (0.116 R)
• M83: 33,708,888 km (0.09 R)
• M84: 35,096,857 km (0.103 R)
• M85: 35,311,979 km (0.063 R)
• M86: 35,581,704 km (0.106 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 15,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit