🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.43 AU - 1.65 AU

Year: 669 Days

Day: 45.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,714,357 km

• M1: 915,240 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.17 AU - 5.07 AU

Year: 2926 Days

Day: 47.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,714,357 km

• M1: 51,462 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 14.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.28 AU - 8.62 AU

Year: 6410 Days

Day: 6.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,714,357 km

• M1: 179,817 km (0.085 R)
• M2: 956,978 km (0.067 R)
• M3: 1,443,021 km (0.078 R)
• M4: 1,993,392 km (0.111 R)
• M5: 2,665,834 km (0.049 R)
• M6: 3,421,303 km (0.07 R)
• M7: 4,367,211 km (0.071 R)
• M8: 4,986,396 km (0.073 R)
• M9: 10,152,310 km (0.108 R)
• M10: 11,441,245 km (0.09 R)
• M11: 14,055,468 km (0.119 R)
• M12: 17,373,250 km (0.084 R)
• M13: 19,143,591 km (0.114 R)
• M14: 20,585,116 km (0.065 R)
• M15: 21,181,563 km (0.078 R)
• M16: 21,712,934 km (0.111 R)
• M17: 22,881,593 km (0.037 R)
• M18: 23,360,755 km (0.112 R)
• M19: 29,644,613 km (0.093 R)
• M20: 30,405,767 km (0.08 R)
• M21: 32,265,867 km (0.061 R)
• M22: 34,513,276 km (0.104 R)
• M23: 35,355,811 km (0.119 R)
• M24: 35,996,539 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 8.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.13 AU - 10.83 AU

Year: 11030 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,714,357 km

• M1: 111,301 km (0.068 R)
• M2: 392,844 km (0.119 R)
• M3: 721,511 km (0.102 R)
• M4: 1,025,942 km (0.103 R)
• M5: 1,392,607 km (0.091 R)
• M6: 1,670,410 km (0.097 R)
• M7: 2,901,301 km (0.092 R)
• M8: 4,681,067 km (0.113 R)
• M9: 7,167,832 km (0.064 R)
• M10: 12,151,536 km (0.028 R)
• M11: 13,760,162 km (0.092 R)
• M12: 16,097,479 km (0.074 R)
• M13: 17,818,902 km (0.086 R)
• M14: 19,432,315 km (0.111 R)
• M15: 22,279,012 km (0.116 R)
• M16: 26,213,736 km (0.089 R)
• M17: 27,336,318 km (0.06 R)
• M18: 31,102,744 km (0.104 R)
• M19: 32,573,440 km (0.07 R)
• M20: 35,993,846 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.5

Radius: 5.1

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 13.67 AU - 16.53 AU

Year: 20528 Days

Day: 19.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,714,357 km

• M1: 63,429 km (0.08 R)
• M2: 680,222 km (0.036 R)
• M3: 1,370,017 km (0.059 R)
• M4: 2,005,509 km (0.117 R)
• M5: 2,466,420 km (0.114 R)
• M6: 3,232,062 km (0.112 R)
• M7: 3,894,631 km (0.111 R)
• M8: 4,241,698 km (0.119 R)
• M9: 4,889,606 km (0.101 R)
• M10: 7,997,951 km (0.054 R)
• M11: 9,144,768 km (0.093 R)
• M12: 9,814,518 km (0.101 R)
• M13: 10,102,943 km (0.119 R)
• M14: 13,803,096 km (0.042 R)
• M15: 14,165,273 km (0.108 R)
• M16: 15,289,950 km (0.115 R)
• M17: 17,971,342 km (0.064 R)
• M18: 18,316,165 km (0.047 R)
• M19: 21,914,143 km (0.076 R)
• M20: 22,307,885 km (0.063 R)
• M21: 29,028,569 km (0.112 R)
• M22: 29,622,772 km (0.108 R)
• M23: 32,461,691 km (0.077 R)
• M24: 35,747,309 km (0.085 R)
• M25: 36,567,554 km (0.066 R)
• M26: 39,537,520 km (0.11 R)
• M27: 39,974,496 km (0.066 R)
• M28: 41,006,572 km (0.077 R)
• M29: 42,056,300 km (0.094 R)
• M30: 51,626,076 km (0.119 R)
• M31: 53,026,012 km (0.096 R)
• M32: 54,991,728 km (0.098 R)
• M33: 66,575,241 km (0.104 R)
• M34: 66,780,938 km (0.055 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 16,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit