🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 9.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.23 AU - 2.59 AU

Year: 2454 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,023,446 km

• M1: 115,938 km (0.112 R)
• M2: 736,470 km (0.1 R)
• M3: 1,210,995 km (0.086 R)
• M4: 1,557,912 km (0.118 R)
• M5: 2,497,536 km (0.096 R)
• M6: 2,853,579 km (0.076 R)
• M7: 3,178,805 km (0.057 R)
• M8: 3,922,755 km (0.081 R)
• M9: 4,406,256 km (0.107 R)
• M10: 5,239,366 km (0.081 R)
• M11: 7,020,628 km (0.097 R)
• M12: 7,443,242 km (0.098 R)
• M13: 7,823,221 km (0.118 R)
• M14: 8,246,732 km (0.047 R)
• M15: 9,406,714 km (0.107 R)
• M16: 10,202,724 km (0.061 R)
• M17: 10,562,507 km (0.047 R)
• M18: 15,379,259 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 13.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.15 AU - 5.57 AU

Year: 8141 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,023,446 km

• M1: 169,195 km (0.074 R)
• M2: 844,181 km (0.069 R)
• M3: 1,731,147 km (0.055 R)
• M4: 2,674,810 km (0.114 R)
• M5: 4,326,520 km (0.095 R)
• M6: 5,308,630 km (0.107 R)
• M7: 6,173,904 km (0.037 R)
• M8: 7,795,096 km (0.075 R)
• M9: 8,587,516 km (0.08 R)
• M10: 11,574,238 km (0.084 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.9

Radius: 5.4

Gravity: 27.53 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.55 AU - 9.79 AU

Year: 15319 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,023,446 km

• M1: 94,396 km (0.04 R)
• M2: 697,425 km (0.099 R)
• M3: 1,287,738 km (0.105 R)
• M4: 1,669,961 km (0.099 R)
• M5: 2,822,313 km (0.099 R)
• M6: 3,493,260 km (0.112 R)
• M7: 3,777,945 km (0.118 R)
• M8: 5,073,612 km (0.072 R)
• M9: 6,019,519 km (0.116 R)
• M10: 7,533,749 km (0.053 R)
• M11: 7,721,494 km (0.102 R)
• M12: 9,125,171 km (0.114 R)
• M13: 10,169,364 km (0.116 R)
• M14: 11,976,656 km (0.092 R)
• M15: 13,987,551 km (0.1 R)
• M16: 14,487,207 km (0.114 R)
• M17: 16,764,087 km (0.103 R)
• M18: 19,798,231 km (0.081 R)
• M19: 21,070,710 km (0.105 R)
• M20: 27,035,477 km (0.085 R)
• M21: 31,906,832 km (0.062 R)
• M22: 33,147,148 km (0.114 R)
• M23: 34,677,684 km (0.117 R)
• M24: 37,196,164 km (0.095 R)
• M25: 42,742,804 km (0.082 R)
• M26: 43,041,252 km (0.078 R)
• M27: 45,945,994 km (0.106 R)
• M28: 51,296,960 km (0.104 R)
• M29: 52,142,338 km (0.109 R)
• M30: 56,508,950 km (0.042 R)
• M31: 57,956,010 km (0.071 R)
• M32: 59,427,754 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.4

Radius: 6.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.4 AU - 9.66 AU

Year: 16343 Days

Day: 23.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,023,446 km

• M1: 84,672 km (0.096 R)
• M2: 299,345 km (0.111 R)
• M3: 717,621 km (0.092 R)
• M4: 1,365,081 km (0.099 R)
• M5: 2,132,518 km (0.088 R)
• M6: 2,827,250 km (0.085 R)
• M7: 3,613,387 km (0.099 R)
• M8: 3,870,247 km (0.106 R)
• M9: 4,595,647 km (0.083 R)
• M10: 4,990,884 km (0.059 R)
• M11: 5,277,514 km (0.096 R)
• M12: 6,535,781 km (0.084 R)
• M13: 7,234,703 km (0.117 R)
• M14: 7,519,537 km (0.027 R)
• M15: 8,155,328 km (0.075 R)
• M16: 8,780,497 km (0.102 R)
• M17: 9,341,340 km (0.094 R)
• M18: 10,075,566 km (0.105 R)
• M19: 11,881,661 km (0.045 R)
• M20: 12,336,140 km (0.117 R)
• M21: 17,032,914 km (0.097 R)
• M22: 21,106,464 km (0.069 R)
• M23: 21,605,074 km (0.098 R)
• M24: 22,367,425 km (0.112 R)
• M25: 25,974,379 km (0.12 R)
• M26: 28,014,894 km (0.09 R)
• M27: 29,227,684 km (0.098 R)
• M28: 30,580,498 km (0.117 R)
• M29: 32,302,219 km (0.071 R)
• M30: 33,747,933 km (0.118 R)
• M31: 34,773,726 km (0.091 R)
• M32: 40,470,413 km (0.052 R)
• M33: 46,759,058 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.6

Radius: 6.7

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.45 AU - 10.85 AU

Year: 21213 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,023,446 km

• M1: 83,924 km (0.078 R)
• M2: 517,309 km (0.073 R)
• M3: 775,665 km (0.108 R)
• M4: 1,271,133 km (0.08 R)
• M5: 1,736,382 km (0.101 R)
• M6: 2,557,525 km (0.116 R)
• M7: 3,298,035 km (0.085 R)
• M8: 3,702,996 km (0.095 R)
• M9: 4,970,688 km (0.085 R)
• M10: 5,582,544 km (0.073 R)
• M11: 7,047,855 km (0.111 R)
• M12: 7,378,765 km (0.096 R)
• M13: 7,919,412 km (0.101 R)
• M14: 8,486,388 km (0.048 R)
• M15: 9,079,992 km (0.088 R)
• M16: 10,653,912 km (0.045 R)
• M17: 15,173,114 km (0.117 R)
• M18: 15,645,394 km (0.043 R)
• M19: 16,127,548 km (0.119 R)
• M20: 18,067,683 km (0.089 R)
• M21: 18,687,766 km (0.043 R)
• M22: 21,803,590 km (0.091 R)
• M23: 22,709,854 km (0.073 R)
• M24: 32,672,474 km (0.074 R)
• M25: 41,124,155 km (0.118 R)
• M26: 42,041,789 km (0.106 R)
• M27: 43,443,670 km (0.103 R)
• M28: 45,199,201 km (0.109 R)
• M29: 51,098,893 km (0.102 R)
• M30: 59,411,448 km (0.103 R)
• M31: 62,772,613 km (0.118 R)
• M32: 63,581,489 km (0.101 R)
• M33: 66,258,393 km (0.051 R)
• M34: 68,368,022 km (0.075 R)
• M35: 69,655,013 km (0.089 R)
• M36: 72,277,314 km (0.093 R)
• M37: 76,333,062 km (0.089 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: 531 - 13,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit