🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.3

Radius: 11.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.76 AU - 0.8 AU

Year: 476 Days

Day: 9.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,334,225 km

• M1: 147,952 km (0.1 R)
• M2: 575,952 km (0.069 R)
• M3: 1,058,854 km (0.038 R)
• M4: 1,580,202 km (0.115 R)
• M5: 1,995,336 km (0.104 R)
• M6: 2,441,736 km (0.053 R)
• M7: 2,878,562 km (0.085 R)
• M8: 3,253,155 km (0.088 R)
• M9: 3,784,677 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 8.9

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.76 AU - 0.84 AU

Year: 494 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,334,225 km

• M1: 110,702 km (0.08 R)
• M2: 410,197 km (0.035 R)
• M3: 728,392 km (0.057 R)
• M4: 1,020,856 km (0.112 R)
• M5: 1,406,519 km (0.107 R)
• M6: 2,014,186 km (0.104 R)
• M7: 2,486,466 km (0.038 R)
• M8: 2,863,303 km (0.097 R)
• M9: 3,387,494 km (0.116 R)
• M10: 3,679,509 km (0.111 R)
• M11: 4,491,526 km (0.108 R)
• M12: 5,521,209 km (0.065 R)
• M13: 6,429,268 km (0.1 R)

Asteroid Belt

Center: 1.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 9.6

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.77 AU - 2.67 AU

Year: 2283 Days

Day: 12.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 66.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,334,225 km

• M1: 119,379 km (0.105 R)
• M2: 484,847 km (0.083 R)
• M3: 882,627 km (0.11 R)
• M4: 1,210,396 km (0.064 R)
• M5: 2,097,063 km (0.075 R)
• M6: 2,945,432 km (0.114 R)
• M7: 3,332,592 km (0.113 R)
• M8: 4,271,917 km (0.1 R)
• M9: 4,769,779 km (0.105 R)
• M10: 5,330,023 km (0.119 R)
• M11: 5,778,667 km (0.111 R)
• M12: 6,923,689 km (0.091 R)
• M13: 8,711,084 km (0.026 R)
• M14: 10,249,249 km (0.084 R)
• M15: 10,554,279 km (0.084 R)
• M16: 12,341,824 km (0.105 R)
• M17: 15,588,098 km (0.106 R)
• M18: 16,926,550 km (0.072 R)
• M19: 17,952,044 km (0.051 R)
• M20: 18,284,301 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.6

Radius: 12.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.43 AU - 3.35 AU

Year: 3391 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,334,225 km

• M1: 162,314 km (0.056 R)
• M2: 843,134 km (0.096 R)
• M3: 1,303,297 km (0.111 R)
• M4: 2,067,443 km (0.117 R)
• M5: 3,682,202 km (0.072 R)
• M6: 4,111,398 km (0.052 R)
• M7: 5,272,427 km (0.037 R)
• M8: 8,096,985 km (0.059 R)
• M9: 10,006,003 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.2

Radius: 11.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.51 AU - 4.11 AU

Year: 4157 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,334,225 km

• M1: 138,079 km (0.042 R)
• M2: 515,813 km (0.115 R)
• M3: 954,285 km (0.1 R)
• M4: 1,322,146 km (0.115 R)
• M5: 1,824,047 km (0.081 R)
• M6: 3,959,556 km (0.047 R)
• M7: 4,595,198 km (0.111 R)
• M8: 5,141,529 km (0.115 R)
• M9: 5,842,395 km (0.05 R)
• M10: 6,304,802 km (0.096 R)
• M11: 7,108,143 km (0.105 R)
• M12: 7,874,533 km (0.054 R)
• M13: 8,331,554 km (0.084 R)
• M14: 8,993,674 km (0.076 R)
• M15: 9,611,214 km (0.074 R)
• M16: 10,011,389 km (0.09 R)
• M17: 10,802,612 km (0.077 R)
• M18: 11,634,974 km (0.08 R)
• M19: 13,230,585 km (0.053 R)
• M20: 14,234,686 km (0.097 R)
• M21: 15,020,524 km (0.111 R)
• M22: 17,434,136 km (0.103 R)
• M23: 19,772,799 km (0.079 R)
• M24: 23,016,680 km (0.085 R)
• M25: 23,373,770 km (0.12 R)
• M26: 24,690,081 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.1

Radius: 12

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.34 AU - 5.16 AU

Year: 6048 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,334,225 km

• M1: 187,446 km (0.045 R)
• M2: 1,167,312 km (0.062 R)
• M3: 2,069,088 km (0.052 R)
• M4: 3,405,147 km (0.086 R)
• M5: 6,000,819 km (0.097 R)
• M6: 6,899,603 km (0.096 R)
• M7: 8,533,661 km (0.104 R)
• M8: 10,762,071 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.4

Radius: 7.5

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.2 AU - 7.82 AU

Year: 14206 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 77.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,334,225 km

• M1: 93,349 km (0.113 R)
• M2: 401,072 km (0.025 R)
• M3: 922,869 km (0.116 R)
• M4: 1,170,304 km (0.075 R)
• M5: 1,447,659 km (0.04 R)
• M6: 2,257,432 km (0.111 R)
• M7: 2,556,029 km (0.103 R)
• M8: 3,447,184 km (0.109 R)
• M9: 4,116,185 km (0.071 R)
• M10: 4,630,503 km (0.034 R)
• M11: 7,080,617 km (0.055 R)
• M12: 7,351,539 km (0.104 R)
• M13: 8,305,524 km (0.099 R)
• M14: 8,812,212 km (0.099 R)
• M15: 9,393,400 km (0.097 R)
• M16: 10,056,118 km (0.069 R)
• M17: 10,514,935 km (0.084 R)
• M18: 12,360,973 km (0.084 R)
• M19: 12,887,557 km (0.025 R)
• M20: 15,369,087 km (0.105 R)
• M21: 15,747,869 km (0.042 R)
• M22: 18,746,708 km (0.03 R)
• M23: 25,004,087 km (0.103 R)
• M24: 33,908,751 km (0.083 R)
• M25: 38,713,685 km (0.114 R)
• M26: 44,257,782 km (0.06 R)
• M27: 45,956,316 km (0.113 R)
• M28: 47,059,451 km (0.041 R)
• M29: 50,474,920 km (0.065 R)
• M30: 54,051,955 km (0.034 R)
• M31: 55,813,320 km (0.071 R)
• M32: 61,516,140 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.8

Radius: 6.7

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.39 AU - 8.37 AU

Year: 15269 Days

Day: 19.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 153 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,334,225 km

• M1: 101,427 km (0.094 R)
• M2: 796,908 km (0.107 R)
• M3: 1,121,236 km (0.106 R)
• M4: 1,595,162 km (0.092 R)
• M5: 2,936,157 km (0.076 R)
• M6: 3,216,953 km (0.067 R)
• M7: 5,259,263 km (0.102 R)
• M8: 6,276,079 km (0.107 R)
• M9: 6,919,201 km (0.072 R)
• M10: 8,087,261 km (0.12 R)
• M11: 10,868,136 km (0.074 R)
• M12: 11,921,155 km (0.097 R)
• M13: 15,334,829 km (0.074 R)
• M14: 18,222,666 km (0.076 R)
• M15: 20,705,093 km (0.112 R)
• M16: 21,739,114 km (0.092 R)
• M17: 26,766,051 km (0.115 R)
• M18: 31,038,566 km (0.098 R)
• M19: 48,800,471 km (0.1 R)
• M20: 49,957,611 km (0.083 R)
• M21: 54,064,371 km (0.076 R)
• M22: 57,470,715 km (0.056 R)
• M23: 62,553,751 km (0.066 R)
• M24: 65,303,659 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.4

Radius: 3.5

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.82 AU - 10.44 AU

Year: 19042 Days

Day: 17.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,334,225 km

• M1: 43,533 km (0.119 R)
• M2: 254,466 km (0.074 R)
• M3: 409,150 km (0.106 R)
• M4: 609,911 km (0.12 R)
• M5: 787,184 km (0.117 R)
• M6: 934,239 km (0.109 R)
• M7: 1,323,193 km (0.117 R)
• M8: 1,460,225 km (0.106 R)
• M9: 2,069,537 km (0.076 R)
• M10: 2,810,495 km (0.055 R)
• M11: 4,273,712 km (0.111 R)
• M12: 5,018,560 km (0.085 R)
• M13: 6,178,841 km (0.098 R)
• M14: 7,210,318 km (0.059 R)
• M15: 8,868,611 km (0.115 R)
• M16: 11,433,616 km (0.07 R)
• M17: 11,894,527 km (0.047 R)
• M18: 12,129,695 km (0.117 R)
• M19: 13,351,610 km (0.037 R)
• M20: 14,586,391 km (0.099 R)
• M21: 16,252,163 km (0.093 R)
• M22: 22,445,665 km (0.095 R)
• M23: 24,561,876 km (0.11 R)
• M24: 29,398,824 km (0.06 R)
• M25: 33,533,560 km (0.056 R)
• M26: 34,833,565 km (0.093 R)
• M27: 38,934,641 km (0.081 R)
• M28: 41,705,343 km (0.102 R)
• M29: 44,182,385 km (0.102 R)
• M30: 45,314,093 km (0.077 R)
• M31: 45,599,974 km (0.119 R)
• M32: 46,031,115 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.6

Radius: 6.5

Gravity: 19.94 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.06 AU - 9.3 AU

Year: 19199 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,334,225 km

• M1: 80,932 km (0.107 R)
• M2: 298,298 km (0.117 R)
• M3: 543,040 km (0.101 R)
• M4: 857,495 km (0.111 R)
• M5: 1,675,646 km (0.078 R)
• M6: 2,629,482 km (0.106 R)
• M7: 2,877,515 km (0.062 R)
• M8: 3,251,061 km (0.117 R)
• M9: 3,596,632 km (0.102 R)
• M10: 4,260,248 km (0.056 R)
• M11: 4,928,203 km (0.093 R)
• M12: 5,229,493 km (0.07 R)
• M13: 5,745,306 km (0.076 R)
• M14: 7,845,511 km (0.112 R)
• M15: 9,011,028 km (0.109 R)
• M16: 11,096,422 km (0.081 R)
• M17: 16,607,308 km (0.104 R)
• M18: 19,244,719 km (0.088 R)
• M19: 25,443,007 km (0.098 R)
• M20: 25,890,604 km (0.056 R)
• M21: 28,928,638 km (0.062 R)
• M22: 31,293,481 km (0.118 R)
• M23: 31,807,200 km (0.027 R)
• M24: 34,189,097 km (0.035 R)
• M25: 38,712,339 km (0.117 R)
• M26: 47,559,706 km (0.105 R)
• M27: 49,269,460 km (0.112 R)
• M28: 61,995,901 km (0.084 R)
• M29: 67,176,026 km (0.095 R)
• M30: 71,966,748 km (0.113 R)
• M31: 72,637,246 km (0.12 R)
• M32: 73,537,526 km (0.095 R)
• M33: 74,445,436 km (0.116 R)
• M34: 77,447,266 km (0.058 R)
• M35: 77,681,537 km (0.082 R)
• M36: 79,334,294 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 18,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit