🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 8

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.23 AU - 1.29 AU

Year: 976 Days

Day: 13.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,366,103 km

• M1: 99,483 km (0.119 R)
• M2: 678,426 km (0.11 R)
• M3: 941,419 km (0.119 R)
• M4: 1,428,360 km (0.103 R)
• M5: 1,941,182 km (0.104 R)
• M6: 2,608,089 km (0.117 R)
• M7: 2,861,807 km (0.082 R)
• M8: 3,287,862 km (0.058 R)
• M9: 3,787,220 km (0.081 R)
• M10: 4,249,627 km (0.093 R)
• M11: 4,639,030 km (0.081 R)
• M12: 5,129,711 km (0.119 R)
• M13: 5,633,856 km (0.047 R)
• M14: 6,237,034 km (0.053 R)
• M15: 6,834,977 km (0.055 R)
• M16: 8,360,576 km (0.065 R)
• M17: 8,831,211 km (0.046 R)
• M18: 9,825,439 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 13.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.15 AU - 1.63 AU

Year: 1131 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,366,103 km

• M1: 168,597 km (0.058 R)
• M2: 705,354 km (0.107 R)
• M3: 1,124,527 km (0.08 R)
• M4: 1,547,440 km (0.103 R)
• M5: 1,969,306 km (0.112 R)
• M6: 2,378,307 km (0.105 R)
• M7: 4,161,364 km (0.071 R)
• M8: 5,204,510 km (0.087 R)
• M9: 5,767,148 km (0.029 R)
• M10: 7,804,970 km (0.086 R)
• M11: 10,533,934 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 9.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.78 AU - 1.92 AU

Year: 1737 Days

Day: 10.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,366,103 km

• M1: 134,638 km (0.112 R)
• M2: 443,109 km (0.109 R)
• M3: 798,404 km (0.047 R)
• M4: 1,110,016 km (0.118 R)
• M5: 1,772,136 km (0.087 R)
• M6: 2,210,159 km (0.106 R)
• M7: 2,638,458 km (0.106 R)
• M8: 4,081,628 km (0.048 R)
• M9: 4,871,505 km (0.109 R)
• M10: 6,230,901 km (0.103 R)
• M11: 6,575,724 km (0.059 R)
• M12: 7,466,430 km (0.043 R)
• M13: 7,912,680 km (0.118 R)
• M14: 8,889,105 km (0.104 R)
• M15: 10,010,491 km (0.12 R)
• M16: 10,657,352 km (0.067 R)
• M17: 11,368,241 km (0.09 R)
• M18: 12,377,578 km (0.064 R)
• M19: 12,766,233 km (0.097 R)
• M20: 13,608,918 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.6

Radius: 12

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.66 AU - 2.12 AU

Year: 1794 Days

Day: 6.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,366,103 km

• M1: 152,739 km (0.083 R)
• M2: 573,558 km (0.113 R)
• M3: 1,369,569 km (0.09 R)
• M4: 2,791,047 km (0.063 R)
• M5: 3,199,450 km (0.096 R)
• M6: 3,659,613 km (0.057 R)
• M7: 4,280,743 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.6

Radius: 4.5

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.21 AU - 7.31 AU

Year: 13503 Days

Day: 24.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,366,103 km

• M1: 56,398 km (0.054 R)
• M2: 323,879 km (0.111 R)
• M3: 498,161 km (0.103 R)
• M4: 984,653 km (0.118 R)
• M5: 1,206,956 km (0.055 R)
• M6: 1,935,796 km (0.104 R)
• M7: 2,148,225 km (0.087 R)
• M8: 2,357,812 km (0.109 R)
• M9: 2,658,504 km (0.097 R)
• M10: 3,026,814 km (0.087 R)
• M11: 3,569,854 km (0.103 R)
• M12: 3,715,263 km (0.111 R)
• M13: 6,471,753 km (0.106 R)
• M14: 7,136,118 km (0.107 R)
• M15: 7,845,062 km (0.11 R)
• M16: 8,427,895 km (0.082 R)
• M17: 11,834,987 km (0.094 R)
• M18: 12,825,325 km (0.095 R)
• M19: 13,691,796 km (0.11 R)
• M20: 15,929,032 km (0.091 R)
• M21: 16,390,691 km (0.098 R)
• M22: 16,591,301 km (0.103 R)
• M23: 17,688,751 km (0.078 R)
• M24: 20,487,428 km (0.056 R)
• M25: 20,642,412 km (0.06 R)
• M26: 25,217,414 km (0.086 R)
• M27: 25,484,745 km (0.076 R)
• M28: 29,429,043 km (0.086 R)
• M29: 34,962,369 km (0.11 R)
• M30: 35,741,325 km (0.115 R)
• M31: 37,333,794 km (0.041 R)
• M32: 39,330,477 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.4

Radius: 4

Gravity: 17.9 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.57 AU - 10.95 AU

Year: 21047 Days

Day: 15 Hours

Environment

Temp: -244 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,366,103 km

• M1: 71,657 km (0.115 R)
• M2: 207,642 km (0.107 R)
• M3: 343,776 km (0.083 R)
• M4: 1,299,856 km (0.117 R)
• M5: 2,068,789 km (0.119 R)
• M6: 2,260,873 km (0.103 R)
• M7: 2,771,001 km (0.1 R)
• M8: 5,811,877 km (0.108 R)
• M9: 5,963,270 km (0.118 R)
• M10: 10,378,502 km (0.046 R)
• M11: 12,128,947 km (0.103 R)
• M12: 15,467,672 km (0.097 R)
• M13: 16,127,249 km (0.112 R)
• M14: 19,623,949 km (0.057 R)
• M15: 24,369,194 km (0.096 R)
• M16: 28,283,572 km (0.04 R)
• M17: 34,537,212 km (0.091 R)
• M18: 36,553,043 km (0.093 R)
• M19: 37,983,498 km (0.066 R)
• M20: 39,857,510 km (0.1 R)
• M21: 40,541,472 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.1

Radius: 6.5

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.41 AU - 11.79 AU

Year: 23822 Days

Day: 15.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,366,103 km

• M1: 86,168 km (0.09 R)
• M2: 513,869 km (0.069 R)
• M3: 816,954 km (0.06 R)
• M4: 1,034,469 km (0.094 R)
• M5: 1,304,793 km (0.11 R)
• M6: 2,678,999 km (0.061 R)
• M7: 2,965,628 km (0.1 R)
• M8: 3,802,179 km (0.09 R)
• M9: 4,752,276 km (0.07 R)
• M10: 5,101,587 km (0.111 R)
• M11: 6,759,131 km (0.104 R)
• M12: 8,746,389 km (0.056 R)
• M13: 10,853,475 km (0.082 R)
• M14: 12,805,727 km (0.119 R)
• M15: 13,551,473 km (0.107 R)
• M16: 17,636,691 km (0.091 R)
• M17: 25,194,974 km (0.083 R)
• M18: 25,510,177 km (0.12 R)
• M19: 26,148,511 km (0.065 R)
• M20: 26,363,633 km (0.057 R)
• M21: 30,204,259 km (0.084 R)
• M22: 54,727,688 km (0.036 R)
• M23: 62,253,060 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 15,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit