🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.59 AU - 0.63 AU

Year: 308 Days

Day: 21.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,293,377 km

• M1: 46,824 km (0.114 R)
• M2: 461,809 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.1

Radius: 14.3

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.77 AU - 0.99 AU

Year: 533 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,293,377 km

• M1: 177,872 km (0.1 R)
• M2: 634,145 km (0.049 R)
• M3: 1,083,687 km (0.063 R)
• M4: 1,825,244 km (0.103 R)
• M5: 2,547,801 km (0.072 R)
• M6: 4,030,765 km (0.038 R)
• M7: 4,486,291 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 12.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.2 AU - 1.38 AU

Year: 946 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,293,377 km

• M1: 159,621 km (0.104 R)
• M2: 581,936 km (0.12 R)
• M3: 1,025,194 km (0.084 R)
• M4: 1,852,919 km (0.096 R)
• M5: 2,409,423 km (0.044 R)
• M6: 3,100,715 km (0.066 R)
• M7: 5,210,195 km (0.079 R)
• M8: 5,817,861 km (0.118 R)
• M9: 6,390,522 km (0.072 R)
• M10: 6,957,348 km (0.09 R)
• M11: 7,443,840 km (0.029 R)
• M12: 7,882,162 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 9.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.48 AU - 1.94 AU

Year: 1444 Days

Day: 14.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,293,377 km

• M1: 119,379 km (0.116 R)
• M2: 493,374 km (0.054 R)
• M3: 825,930 km (0.11 R)
• M4: 1,405,023 km (0.109 R)
• M5: 2,118,455 km (0.109 R)
• M6: 2,474,349 km (0.116 R)
• M7: 3,015,893 km (0.054 R)
• M8: 3,454,065 km (0.087 R)
• M9: 4,182,158 km (0.11 R)
• M10: 5,124,625 km (0.105 R)
• M11: 5,543,200 km (0.104 R)
• M12: 6,049,439 km (0.065 R)
• M13: 7,375,773 km (0.095 R)
• M14: 7,703,542 km (0.059 R)
• M15: 8,173,728 km (0.06 R)
• M16: 9,316,058 km (0.074 R)
• M17: 10,404,083 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 14.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.2 AU - 2.98 AU

Year: 2691 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,293,377 km

• M1: 184,155 km (0.034 R)
• M2: 699,968 km (0.088 R)
• M3: 1,189,752 km (0.044 R)
• M4: 1,756,429 km (0.091 R)
• M5: 3,338,127 km (0.054 R)
• M6: 4,351,802 km (0.091 R)
• M7: 4,833,058 km (0.069 R)
• M8: 5,804,846 km (0.116 R)
• M9: 8,871,752 km (0.095 R)
• M10: 9,512,181 km (0.097 R)
• M11: 10,961,485 km (0.086 R)
• M12: 12,679,168 km (0.071 R)
• M13: 13,232,231 km (0.103 R)
• M14: 13,757,020 km (0.026 R)
• M15: 14,524,308 km (0.044 R)
• M16: 15,272,297 km (0.098 R)
• M17: 16,693,626 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 13.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.25 AU - 3.71 AU

Year: 4192 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,293,377 km

• M1: 172,187 km (0.063 R)
• M2: 707,598 km (0.084 R)
• M3: 1,196,633 km (0.075 R)
• M4: 1,633,010 km (0.095 R)
• M5: 3,022,326 km (0.104 R)
• M6: 4,963,957 km (0.093 R)
• M7: 5,719,426 km (0.075 R)
• M8: 6,184,825 km (0.027 R)
• M9: 7,325,658 km (0.101 R)
• M10: 13,577,054 km (0.04 R)
• M11: 14,784,010 km (0.053 R)
• M12: 17,592,410 km (0.091 R)
• M13: 19,870,487 km (0.12 R)
• M14: 21,286,730 km (0.07 R)
• M15: 22,196,584 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 9.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.4 AU - 3.8 AU

Year: 4410 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,293,377 km

• M1: 114,592 km (0.101 R)
• M2: 428,299 km (0.047 R)
• M3: 838,496 km (0.111 R)
• M4: 2,094,819 km (0.096 R)
• M5: 2,564,257 km (0.06 R)
• M6: 3,762,087 km (0.076 R)
• M7: 4,351,204 km (0.119 R)
• M8: 7,016,290 km (0.114 R)
• M9: 8,732,477 km (0.089 R)
• M10: 9,048,427 km (0.085 R)
• M11: 9,887,222 km (0.098 R)
• M12: 10,262,264 km (0.103 R)
• M13: 11,309,001 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.7

Radius: 8.4

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.13 AU - 4.83 AU

Year: 5127 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,293,377 km

• M1: 105,616 km (0.075 R)
• M2: 408,103 km (0.036 R)
• M3: 847,771 km (0.099 R)
• M4: 1,635,853 km (0.06 R)
• M5: 2,429,170 km (0.032 R)
• M6: 2,750,656 km (0.07 R)
• M7: 3,080,220 km (0.105 R)
• M8: 4,834,405 km (0.115 R)
• M9: 5,345,880 km (0.053 R)
• M10: 6,212,650 km (0.05 R)
• M11: 7,242,033 km (0.096 R)
• M12: 10,215,739 km (0.083 R)
• M13: 11,545,365 km (0.117 R)
• M14: 13,862,337 km (0.085 R)
• M15: 14,314,571 km (0.106 R)
• M16: 15,488,466 km (0.114 R)
• M17: 16,472,820 km (0.102 R)
• M18: 18,362,091 km (0.068 R)
• M19: 23,350,582 km (0.116 R)
• M20: 27,903,444 km (0.102 R)
• M21: 29,636,535 km (0.069 R)
• M22: 30,292,821 km (0.117 R)
• M23: 32,122,852 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.1

Radius: 5.6

Gravity: 26.21 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.17 AU - 9.93 AU

Year: 19055 Days

Day: 21.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,293,377 km

• M1: 69,713 km (0.119 R)
• M2: 572,960 km (0.053 R)
• M3: 2,267,305 km (0.113 R)
• M4: 2,657,008 km (0.061 R)
• M5: 3,253,903 km (0.078 R)
• M6: 4,294,506 km (0.115 R)
• M7: 5,701,025 km (0.116 R)
• M8: 6,597,715 km (0.098 R)
• M9: 7,341,366 km (0.081 R)
• M10: 9,906,371 km (0.119 R)
• M11: 13,660,380 km (0.12 R)
• M12: 14,940,639 km (0.099 R)
• M13: 16,053,647 km (0.085 R)
• M14: 23,701,987 km (0.059 R)
• M15: 24,020,332 km (0.091 R)
• M16: 25,433,134 km (0.075 R)
• M17: 28,662,503 km (0.104 R)
• M18: 29,879,033 km (0.056 R)
• M19: 34,816,212 km (0.057 R)
• M20: 39,671,261 km (0.049 R)
• M21: 51,758,021 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 18,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit