🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.2

Radius: 11.7

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.45 AU - 1.69 AU

Year: 1358 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,547,534 km

• M1: 154,834 km (0.069 R)
• M2: 519,105 km (0.109 R)
• M3: 1,204,562 km (0.107 R)
• M4: 1,786,947 km (0.109 R)
• M5: 3,031,152 km (0.066 R)
• M6: 3,703,146 km (0.11 R)
• M7: 7,265,221 km (0.116 R)
• M8: 8,707,793 km (0.107 R)
• M9: 9,322,939 km (0.051 R)
• M10: 10,434,900 km (0.093 R)
• M11: 12,114,884 km (0.084 R)
• M12: 12,764,738 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 10.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.7 AU - 1.7 AU

Year: 1530 Days

Day: 9 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,547,534 km

• M1: 129,402 km (0.112 R)
• M2: 473,178 km (0.115 R)
• M3: 899,532 km (0.118 R)
• M4: 1,312,422 km (0.117 R)
• M5: 2,055,325 km (0.036 R)
• M6: 2,608,089 km (0.078 R)
• M7: 3,243,132 km (0.092 R)
• M8: 4,028,671 km (0.073 R)
• M9: 5,014,670 km (0.081 R)
• M10: 5,522,405 km (0.119 R)
• M11: 6,222,224 km (0.07 R)
• M12: 7,985,534 km (0.097 R)
• M13: 9,594,459 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.9

Radius: 8.6

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.87 AU - 2.05 AU

Year: 1894 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,547,534 km

• M1: 106,962 km (0.106 R)
• M2: 463,454 km (0.066 R)
• M3: 947,403 km (0.067 R)
• M4: 1,249,441 km (0.094 R)
• M5: 2,429,619 km (0.104 R)
• M6: 2,927,930 km (0.098 R)
• M7: 3,201,843 km (0.098 R)
• M8: 3,581,822 km (0.078 R)
• M9: 3,895,828 km (0.069 R)
• M10: 4,228,234 km (0.119 R)
• M11: 4,817,201 km (0.113 R)
• M12: 5,223,958 km (0.1 R)
• M13: 6,448,267 km (0.12 R)
• M14: 7,641,609 km (0.095 R)
• M15: 7,946,190 km (0.101 R)
• M16: 8,579,737 km (0.103 R)
• M17: 8,909,002 km (0.111 R)
• M18: 9,280,902 km (0.036 R)
• M19: 9,698,280 km (0.111 R)
• M20: 10,055,819 km (0.076 R)
• M21: 11,219,990 km (0.091 R)
• M22: 12,058,037 km (0.05 R)
• M23: 13,370,758 km (0.078 R)
• M24: 17,298,451 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 13.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.06 AU - 2.34 AU

Year: 2252 Days

Day: 9.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,547,534 km

• M1: 171,738 km (0.053 R)
• M2: 607,367 km (0.102 R)
• M3: 1,760,617 km (0.1 R)
• M4: 2,238,732 km (0.12 R)
• M5: 2,831,588 km (0.113 R)
• M6: 3,841,225 km (0.034 R)
• M7: 4,336,992 km (0.1 R)
• M8: 5,436,835 km (0.081 R)
• M9: 5,948,909 km (0.101 R)
• M10: 6,615,816 km (0.12 R)
• M11: 8,043,130 km (0.114 R)
• M12: 8,561,935 km (0.039 R)
• M13: 9,103,030 km (0.101 R)
• M14: 11,144,293 km (0.087 R)
• M15: 12,461,203 km (0.09 R)
• M16: 12,961,459 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 11.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.37 AU - 3.17 AU

Year: 3182 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,547,534 km

• M1: 146,756 km (0.1 R)
• M2: 550,221 km (0.096 R)
• M3: 1,007,542 km (0.096 R)
• M4: 1,610,122 km (0.05 R)
• M5: 2,146,580 km (0.108 R)
• M6: 2,533,141 km (0.108 R)
• M7: 2,932,717 km (0.108 R)
• M8: 3,356,079 km (0.103 R)
• M9: 3,780,039 km (0.113 R)
• M10: 5,848,379 km (0.068 R)
• M11: 6,760,477 km (0.063 R)
• M12: 7,345,555 km (0.085 R)
• M13: 8,902,719 km (0.065 R)
• M14: 10,386,580 km (0.062 R)
• M15: 11,679,106 km (0.085 R)
• M16: 12,118,026 km (0.08 R)
• M17: 15,401,998 km (0.05 R)
• M18: 15,983,934 km (0.112 R)
• M19: 18,815,971 km (0.066 R)
• M20: 21,245,590 km (0.062 R)
• M21: 21,900,679 km (0.112 R)
• M22: 22,704,768 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 13.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.87 AU - 3.35 AU

Year: 3786 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,547,534 km

• M1: 172,935 km (0.082 R)
• M2: 668,702 km (0.119 R)
• M3: 1,162,824 km (0.088 R)
• M4: 3,054,639 km (0.043 R)
• M5: 3,884,458 km (0.074 R)
• M6: 4,322,331 km (0.031 R)
• M7: 4,905,015 km (0.068 R)
• M8: 5,941,579 km (0.108 R)
• M9: 6,526,058 km (0.057 R)
• M10: 7,810,654 km (0.114 R)
• M11: 8,712,131 km (0.113 R)
• M12: 12,635,036 km (0.083 R)
• M13: 13,379,884 km (0.071 R)
• M14: 13,877,446 km (0.099 R)
• M15: 14,387,126 km (0.112 R)
• M16: 16,656,227 km (0.076 R)
• M17: 17,984,955 km (0.084 R)
• M18: 18,480,124 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.8

Radius: 5.4

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.24 AU - 7 AU

Year: 11757 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 44,547,534 km

• M1: 67,469 km (0.108 R)
• M2: 256,261 km (0.086 R)
• M3: 439,219 km (0.089 R)
• M4: 885,619 km (0.12 R)
• M5: 1,292,376 km (0.065 R)
• M6: 1,636,750 km (0.053 R)
• M7: 2,007,155 km (0.071 R)
• M8: 2,230,055 km (0.086 R)
• M9: 2,431,564 km (0.105 R)
• M10: 3,753,710 km (0.079 R)
• M11: 4,039,890 km (0.109 R)
• M12: 4,894,693 km (0.094 R)
• M13: 5,079,147 km (0.11 R)
• M14: 5,560,702 km (0.076 R)
• M15: 5,932,902 km (0.117 R)
• M16: 6,430,315 km (0.109 R)
• M17: 6,614,619 km (0.096 R)
• M18: 7,589,399 km (0.095 R)
• M19: 8,348,010 km (0.111 R)
• M20: 9,109,912 km (0.084 R)
• M21: 10,413,657 km (0.064 R)
• M22: 10,668,123 km (0.102 R)
• M23: 13,147,858 km (0.069 R)
• M24: 13,746,997 km (0.086 R)
• M25: 14,743,020 km (0.119 R)
• M26: 15,586,901 km (0.101 R)
• M27: 16,669,392 km (0.074 R)
• M28: 17,584,931 km (0.083 R)
• M29: 17,873,355 km (0.1 R)
• M30: 18,091,618 km (0.072 R)
• M31: 19,515,940 km (0.103 R)
• M32: 19,747,517 km (0.063 R)
• M33: 21,013,415 km (0.095 R)
• M34: 21,256,661 km (0.111 R)
• M35: 21,501,852 km (0.081 R)
• M36: 23,793,541 km (0.12 R)
• M37: 24,146,293 km (0.105 R)
• M38: 24,502,635 km (0.08 R)
• M39: 26,243,057 km (0.078 R)
• M40: 28,755,852 km (0.085 R)
• M41: 30,586,481 km (0.079 R)
• M42: 31,742,574 km (0.075 R)
• M43: 32,277,685 km (0.086 R)
• M44: 44,414,261 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 14,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit