🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.02 AU - 1.14 AU

Year: 425 Days

Day: 32.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.17 AU - 1.41 AU

Year: 555 Days

Day: 38.4 Hours

Environment

Temp: -23 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 12.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.13 AU - 6.59 AU

Year: 6075 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 25,106,667 km

• M1: 201,209 km (0.075 R)
• M2: 296,054 km (0.097 R)
• M3: 402,119 km (0.051 R)
• M4: 794,664 km (0.11 R)
• M5: 960,269 km (0.098 R)
• M6: 1,047,783 km (0.095 R)
• M7: 2,053,530 km (0.097 R)
• M8: 2,508,906 km (0.106 R)
• M9: 2,952,314 km (0.087 R)
• M10: 3,105,801 km (0.085 R)
• M11: 3,216,953 km (0.116 R)
• M12: 3,769,567 km (0.05 R)
• M13: 4,327,118 km (0.059 R)
• M14: 4,502,148 km (0.113 R)
• M15: 4,936,730 km (0.062 R)
• M16: 5,519,413 km (0.085 R)
• M17: 5,764,156 km (0.049 R)
• M18: 5,846,434 km (0.113 R)
• M19: 6,012,488 km (0.079 R)
• M20: 6,720,684 km (0.105 R)
• M21: 6,865,645 km (0.058 R)
• M22: 7,099,616 km (0.044 R)
• M23: 7,575,487 km (0.069 R)
• M24: 8,339,782 km (0.043 R)
• M25: 8,464,397 km (0.104 R)
• M26: 8,905,412 km (0.044 R)
• M27: 9,096,747 km (0.036 R)
• M28: 9,321,593 km (0.116 R)
• M29: 9,515,921 km (0.046 R)
• M30: 9,646,220 km (0.107 R)
• M31: 9,842,792 km (0.076 R)
• M32: 10,106,832 km (0.112 R)
• M33: 11,601,165 km (0.089 R)
• M34: 11,880,315 km (0.059 R)
• M35: 12,910,595 km (0.09 R)
• M36: 13,308,825 km (0.12 R)
• M37: 15,169,972 km (0.103 R)
• M38: 15,360,560 km (0.102 R)
• M39: 15,551,895 km (0.1 R)
• M40: 15,859,768 km (0.118 R)
• M41: 16,053,348 km (0.09 R)
• M42: 16,286,421 km (0.051 R)
• M43: 16,559,886 km (0.115 R)
• M44: 16,874,341 km (0.085 R)
• M45: 16,992,822 km (0.106 R)
• M46: 17,549,027 km (0.106 R)
• M47: 18,273,081 km (0.057 R)
• M48: 18,679,538 km (0.084 R)
• M49: 20,125,551 km (0.1 R)
• M50: 20,461,249 km (0.103 R)
• M51: 20,545,323 km (0.03 R)
• M52: 21,095,394 km (0.035 R)
• M53: 21,736,122 km (0.119 R)
• M54: 22,037,262 km (0.117 R)
• M55: 22,383,133 km (0.097 R)
• M56: 22,730,948 km (0.042 R)
• M57: 22,818,163 km (0.082 R)
• M58: 23,124,240 km (0.118 R)
• M59: 24,095,131 km (0.08 R)
• M60: 24,451,622 km (0.058 R)
• M61: 24,585,662 km (0.079 R)
• M62: 25,169,543 km (0.09 R)
• M63: 25,621,927 km (0.092 R)
• M64: 25,712,732 km (0.084 R)
• M65: 25,940,121 km (0.11 R)
• M66: 26,122,481 km (0.11 R)
• M67: 26,351,067 km (0.112 R)
• M68: 26,534,474 km (0.101 R)
• M69: 26,672,253 km (0.109 R)
• M70: 26,764,405 km (0.066 R)
• M71: 28,909,639 km (0.074 R)
• M72: 29,098,731 km (0.041 R)
• M73: 29,193,576 km (0.048 R)
• M74: 29,573,554 km (0.098 R)
• M75: 30,338,299 km (0.113 R)
• M76: 32,524,223 km (0.093 R)
• M77: 32,622,508 km (0.026 R)
• M78: 32,770,162 km (0.104 R)
• M79: 32,967,481 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.6

Radius: 9.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.84 AU - 11.44 AU

Year: 11336 Days

Day: 9.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 25,106,667 km

• M1: 160,219 km (0.115 R)
• M2: 338,091 km (0.103 R)
• M3: 877,840 km (0.107 R)
• M4: 1,560,007 km (0.118 R)
• M5: 1,874,312 km (0.094 R)
• M6: 2,127,282 km (0.068 R)
• M7: 2,208,663 km (0.099 R)
• M8: 2,442,036 km (0.104 R)
• M9: 2,933,016 km (0.092 R)
• M10: 3,079,023 km (0.099 R)
• M11: 3,667,242 km (0.102 R)
• M12: 3,844,516 km (0.115 R)
• M13: 4,187,394 km (0.108 R)
• M14: 4,539,996 km (0.109 R)
• M15: 4,751,976 km (0.109 R)
• M16: 5,564,592 km (0.118 R)
• M17: 5,998,575 km (0.075 R)
• M18: 6,467,266 km (0.034 R)
• M19: 7,216,900 km (0.119 R)
• M20: 7,290,951 km (0.083 R)
• M21: 7,414,818 km (0.112 R)
• M22: 7,816,190 km (0.089 R)
• M23: 8,045,074 km (0.047 R)
• M24: 8,353,695 km (0.066 R)
• M25: 8,666,205 km (0.028 R)
• M26: 9,195,632 km (0.087 R)
• M27: 9,464,309 km (0.036 R)
• M28: 9,899,639 km (0.116 R)
• M29: 10,369,376 km (0.069 R)
• M30: 11,158,655 km (0.074 R)
• M31: 11,647,391 km (0.051 R)
• M32: 12,143,158 km (0.117 R)
• M33: 13,155,338 km (0.099 R)
• M34: 13,702,118 km (0.038 R)
• M35: 13,916,641 km (0.091 R)
• M36: 15,038,176 km (0.062 R)
• M37: 15,737,696 km (0.074 R)
• M38: 16,512,912 km (0.098 R)
• M39: 16,675,974 km (0.077 R)
• M40: 16,806,872 km (0.091 R)
• M41: 17,366,817 km (0.11 R)
• M42: 17,499,510 km (0.092 R)
• M43: 17,899,385 km (0.11 R)
• M44: 18,471,148 km (0.078 R)
• M45: 18,572,725 km (0.107 R)
• M46: 19,357,216 km (0.115 R)
• M47: 19,909,382 km (0.112 R)
• M48: 21,775,167 km (0.076 R)
• M49: 23,769,755 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 17,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit