🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 12.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.39 AU - 3.77 AU

Year: 3069 Days

Day: 9.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 99,970,181 km

• M1: 156,031 km (0.104 R)
• M2: 610,808 km (0.08 R)
• M3: 1,082,041 km (0.047 R)
• M4: 1,742,965 km (0.027 R)
• M5: 2,947,976 km (0.106 R)
• M6: 4,271,767 km (0.082 R)
• M7: 4,760,803 km (0.092 R)
• M8: 5,311,921 km (0.1 R)
• M9: 6,121,994 km (0.112 R)
• M10: 8,873,846 km (0.111 R)
• M11: 10,014,381 km (0.098 R)
• M12: 11,126,491 km (0.107 R)
• M13: 11,585,308 km (0.028 R)
• M14: 12,810,514 km (0.111 R)
• M15: 14,072,073 km (0.08 R)
• M16: 18,010,088 km (0.082 R)
• M17: 18,818,814 km (0.092 R)
• M18: 19,411,221 km (0.099 R)
• M19: 20,884,012 km (0.066 R)
• M20: 21,583,382 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 14.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.51 AU - 9.13 AU

Year: 9907 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 99,970,181 km

• M1: 176,525 km (0.076 R)
• M2: 742,604 km (0.08 R)
• M3: 1,247,497 km (0.058 R)
• M4: 1,699,881 km (0.047 R)
• M5: 2,341,506 km (0.118 R)
• M6: 2,862,555 km (0.118 R)
• M7: 3,565,067 km (0.119 R)
• M8: 5,804,547 km (0.1 R)
• M9: 6,639,752 km (0.101 R)
• M10: 7,731,966 km (0.077 R)
• M11: 8,940,717 km (0.109 R)
• M12: 9,590,570 km (0.082 R)
• M13: 10,271,988 km (0.043 R)
• M14: 14,835,172 km (0.111 R)
• M15: 18,906,628 km (0.115 R)
• M16: 20,253,607 km (0.115 R)
• M17: 23,977,397 km (0.095 R)
• M18: 25,474,423 km (0.064 R)
• M19: 28,135,171 km (0.094 R)
• M20: 29,267,327 km (0.118 R)
• M21: 29,710,736 km (0.08 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517

Radius: 5

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.44 AU - 11.88 AU

Year: 13602 Days

Day: 22 Hours

Environment

Temp: -194 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 99,970,181 km

• M1: 62,233 km (0.052 R)
• M2: 232,176 km (0.11 R)
• M3: 406,457 km (0.079 R)
• M4: 774,618 km (0.106 R)
• M5: 1,394,551 km (0.059 R)
• M6: 1,734,737 km (0.099 R)
• M7: 2,074,025 km (0.085 R)
• M8: 3,777,496 km (0.1 R)
• M9: 3,998,601 km (0.096 R)
• M10: 4,558,846 km (0.099 R)
• M11: 5,203,313 km (0.093 R)
• M12: 6,552,686 km (0.098 R)
• M13: 7,202,689 km (0.088 R)
• M14: 8,348,908 km (0.109 R)
• M15: 8,677,275 km (0.084 R)
• M16: 9,510,385 km (0.095 R)
• M17: 9,765,300 km (0.119 R)
• M18: 10,503,267 km (0.062 R)
• M19: 11,334,432 km (0.069 R)
• M20: 12,509,823 km (0.107 R)
• M21: 13,959,277 km (0.12 R)
• M22: 14,156,297 km (0.092 R)
• M23: 14,758,279 km (0.119 R)
• M24: 15,031,295 km (0.08 R)
• M25: 15,870,389 km (0.036 R)
• M26: 16,085,062 km (0.108 R)
• M27: 17,112,201 km (0.12 R)
• M28: 20,286,668 km (0.101 R)
• M29: 25,068,414 km (0.09 R)
• M30: 27,153,958 km (0.115 R)
• M31: 35,058,411 km (0.105 R)
• M32: 37,155,174 km (0.077 R)
• M33: 38,042,290 km (0.074 R)
• M34: 42,141,271 km (0.116 R)
• M35: 44,226,367 km (0.093 R)
• M36: 46,818,000 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 7.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 9.73 AU - 14.41 AU

Year: 18997 Days

Day: 20 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 99,970,181 km

• M1: 114,143 km (0.113 R)
• M2: 403,615 km (0.118 R)
• M3: 691,142 km (0.039 R)
• M4: 1,017,714 km (0.082 R)
• M5: 1,299,706 km (0.102 R)
• M6: 1,618,948 km (0.092 R)
• M7: 2,397,455 km (0.11 R)
• M8: 2,706,375 km (0.102 R)
• M9: 3,231,613 km (0.113 R)
• M10: 3,505,976 km (0.117 R)
• M11: 4,159,120 km (0.107 R)
• M12: 4,576,049 km (0.112 R)
• M13: 5,705,214 km (0.049 R)
• M14: 6,107,483 km (0.103 R)
• M15: 6,373,168 km (0.077 R)
• M16: 7,050,996 km (0.047 R)
• M17: 8,224,741 km (0.114 R)
• M18: 8,882,374 km (0.08 R)
• M19: 10,954,304 km (0.098 R)
• M20: 13,841,842 km (0.05 R)
• M21: 14,703,526 km (0.106 R)
• M22: 16,533,257 km (0.044 R)
• M23: 18,274,128 km (0.054 R)
• M24: 19,636,964 km (0.052 R)
• M25: 28,415,667 km (0.115 R)
• M26: 28,944,645 km (0.072 R)
• M27: 34,242,803 km (0.109 R)
• M28: 40,953,165 km (0.118 R)
• M29: 44,971,364 km (0.047 R)
• M30: 48,639,952 km (0.097 R)
• M31: 52,820,764 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.6

Radius: 3.1

Gravity: 60.42 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 11.56 AU - 15.6 AU

Year: 22672 Days

Day: 20.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 99,970,181 km

• M1: 38,596 km (0.105 R)
• M2: 353,051 km (0.114 R)
• M3: 712,684 km (0.095 R)
• M4: 849,267 km (0.116 R)
• M5: 5,431,450 km (0.1 R)
• M6: 7,855,235 km (0.085 R)
• M7: 8,692,085 km (0.109 R)
• M8: 11,753,905 km (0.116 R)
• M9: 12,566,221 km (0.106 R)
• M10: 13,560,449 km (0.051 R)
• M11: 16,437,964 km (0.065 R)
• M12: 17,712,089 km (0.096 R)
• M13: 19,979,095 km (0.101 R)
• M14: 20,358,924 km (0.083 R)
• M15: 22,945,920 km (0.098 R)
• M16: 23,783,817 km (0.11 R)
• M17: 25,631,950 km (0.053 R)
• M18: 28,520,236 km (0.113 R)
• M19: 30,478,173 km (0.099 R)
• M20: 31,489,903 km (0.12 R)
• M21: 36,040,221 km (0.079 R)
• M22: 60,572,477 km (0.114 R)
• M23: 60,968,911 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.8

Radius: 6.3

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.08 AU - 16.6 AU

Year: 27219 Days

Day: 18.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 99,970,181 km

• M1: 78,539 km (0.1 R)
• M2: 302,936 km (0.095 R)
• M3: 774,319 km (0.099 R)
• M4: 1,293,722 km (0.105 R)
• M5: 1,813,874 km (0.071 R)
• M6: 5,346,030 km (0.077 R)
• M7: 5,823,396 km (0.051 R)
• M8: 6,519,475 km (0.112 R)
• M9: 6,963,033 km (0.065 R)
• M10: 8,076,041 km (0.095 R)
• M11: 9,364,228 km (0.092 R)
• M12: 16,697,815 km (0.111 R)
• M13: 18,969,758 km (0.108 R)
• M14: 20,076,782 km (0.111 R)
• M15: 20,282,629 km (0.095 R)
• M16: 22,089,472 km (0.119 R)
• M17: 29,190,285 km (0.087 R)
• M18: 31,765,462 km (0.063 R)
• M19: 33,757,208 km (0.036 R)
• M20: 40,885,996 km (0.11 R)
• M21: 42,558,201 km (0.106 R)
• M22: 43,068,629 km (0.069 R)
• M23: 48,399,698 km (0.11 R)
• M24: 57,401,900 km (0.116 R)
• M25: 61,424,437 km (0.083 R)
• M26: 68,151,853 km (0.052 R)
• M27: 70,499,044 km (0.109 R)
• M28: 75,851,356 km (0.073 R)
• M29: 78,371,333 km (0.114 R)
• M30: 79,394,732 km (0.09 R)
• M31: 80,168,153 km (0.072 R)
• M32: 95,833,144 km (0.064 R)
• M33: 96,417,024 km (0.047 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 17,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit