🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.1

Radius: 11.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.54 AU - 0.66 AU

Year: 315 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 108.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,700,002 km

• M1: 146,756 km (0.088 R)
• M2: 544,835 km (0.12 R)
• M3: 956,230 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.1

Radius: 14.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.72 AU - 0.96 AU

Year: 522 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,700,002 km

• M1: 184,005 km (0.061 R)
• M2: 643,420 km (0.055 R)
• M3: 1,430,604 km (0.064 R)
• M4: 2,898,758 km (0.111 R)
• M5: 4,132,043 km (0.116 R)
• M6: 4,891,252 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.3

Radius: 10.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.42 AU - 2.7 AU

Year: 2778 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,700,002 km

• M1: 135,685 km (0.093 R)
• M2: 806,033 km (0.092 R)
• M3: 2,164,681 km (0.035 R)
• M4: 3,799,936 km (0.044 R)
• M5: 4,930,147 km (0.111 R)
• M6: 6,712,456 km (0.105 R)
• M7: 8,257,354 km (0.064 R)
• M8: 8,686,400 km (0.067 R)
• M9: 12,162,307 km (0.112 R)
• M10: 14,969,511 km (0.116 R)
• M11: 16,994,318 km (0.081 R)
• M12: 18,017,418 km (0.026 R)
• M13: 18,740,724 km (0.074 R)

Asteroid Belt

Center: 5.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.9

Radius: 5.4

Gravity: 27.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.1 AU - 9.76 AU

Year: 18100 Days

Day: 24 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,700,002 km

• M1: 67,169 km (0.061 R)
• M2: 238,758 km (0.074 R)
• M3: 728,691 km (0.061 R)
• M4: 1,035,068 km (0.054 R)
• M5: 1,218,624 km (0.043 R)
• M6: 1,551,629 km (0.106 R)
• M7: 1,775,577 km (0.116 R)
• M8: 2,420,643 km (0.067 R)
• M9: 2,699,045 km (0.074 R)
• M10: 3,237,597 km (0.1 R)
• M11: 3,875,782 km (0.106 R)
• M12: 4,192,181 km (0.11 R)
• M13: 4,491,377 km (0.058 R)
• M14: 5,712,245 km (0.112 R)
• M15: 7,712,369 km (0.032 R)
• M16: 8,212,923 km (0.098 R)
• M17: 8,895,837 km (0.101 R)
• M18: 9,113,353 km (0.091 R)
• M19: 10,798,274 km (0.12 R)
• M20: 15,857,374 km (0.118 R)
• M21: 21,026,280 km (0.118 R)
• M22: 21,218,812 km (0.089 R)
• M23: 21,509,930 km (0.119 R)
• M24: 23,209,960 km (0.071 R)
• M25: 29,320,883 km (0.065 R)
• M26: 32,550,103 km (0.115 R)
• M27: 36,284,515 km (0.065 R)
• M28: 36,700,696 km (0.076 R)
• M29: 40,146,533 km (0.104 R)
• M30: 43,958,736 km (0.099 R)
• M31: 46,848,219 km (0.119 R)
• M32: 51,067,926 km (0.105 R)
• M33: 59,481,011 km (0.083 R)
• M34: 66,261,235 km (0.083 R)
• M35: 68,771,936 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622

Radius: 4.6

Gravity: 29.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.83 AU - 10.23 AU

Year: 21545 Days

Day: 24.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,700,002 km

• M1: 57,296 km (0.108 R)
• M2: 223,350 km (0.057 R)
• M3: 444,006 km (0.082 R)
• M4: 826,079 km (0.072 R)
• M5: 1,597,107 km (0.112 R)
• M6: 2,209,561 km (0.051 R)
• M7: 2,475,546 km (0.089 R)
• M8: 2,713,257 km (0.069 R)
• M9: 3,346,056 km (0.079 R)
• M10: 3,850,500 km (0.079 R)
• M11: 5,789,438 km (0.091 R)
• M12: 6,038,668 km (0.029 R)
• M13: 6,381,995 km (0.119 R)
• M14: 7,393,426 km (0.118 R)
• M15: 10,748,906 km (0.052 R)
• M16: 15,866,799 km (0.055 R)
• M17: 16,109,596 km (0.11 R)
• M18: 16,685,698 km (0.105 R)
• M19: 17,190,441 km (0.104 R)
• M20: 17,792,124 km (0.102 R)
• M21: 18,675,798 km (0.031 R)
• M22: 19,774,295 km (0.099 R)
• M23: 21,012,218 km (0.116 R)
• M24: 21,699,770 km (0.091 R)
• M25: 26,030,628 km (0.104 R)
• M26: 34,289,777 km (0.078 R)
• M27: 36,351,385 km (0.071 R)
• M28: 43,501,864 km (0.112 R)
• M29: 45,751,367 km (0.12 R)
• M30: 55,711,444 km (0.103 R)
• M31: 56,648,375 km (0.105 R)
• M32: 58,746,485 km (0.114 R)
• M33: 61,690,272 km (0.069 R)
• M34: 63,706,403 km (0.112 R)
• M35: 69,368,682 km (0.109 R)
• M36: 71,768,531 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.2

Radius: 6.3

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.03 AU - 10.23 AU

Year: 21868 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,700,002 km

• M1: 94,247 km (0.093 R)
• M2: 1,048,831 km (0.04 R)
• M3: 1,973,645 km (0.077 R)
• M4: 2,282,564 km (0.114 R)
• M5: 3,248,967 km (0.066 R)
• M6: 3,765,827 km (0.1 R)
• M7: 3,969,579 km (0.062 R)
• M8: 5,279,159 km (0.098 R)
• M9: 13,683,717 km (0.034 R)
• M10: 15,241,181 km (0.088 R)
• M11: 29,578,790 km (0.103 R)
• M12: 35,802,959 km (0.118 R)
• M13: 37,518,398 km (0.119 R)
• M14: 42,699,870 km (0.095 R)
• M15: 42,992,782 km (0.063 R)
• M16: 48,656,857 km (0.069 R)
• M17: 49,619,819 km (0.095 R)
• M18: 51,418,135 km (0.046 R)
• M19: 57,250,806 km (0.031 R)
• M20: 58,684,552 km (0.116 R)
• M21: 60,142,084 km (0.099 R)
• M22: 61,997,696 km (0.032 R)
• M23: 62,373,336 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 14,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit