🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.47 AU - 0.57 AU

Year: 242 Days

Day: 34.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 9.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.65 AU - 0.99 AU

Year: 479 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,259,009 km

• M1: 119,379 km (0.094 R)
• M2: 418,126 km (0.056 R)
• M3: 741,108 km (0.115 R)
• M4: 1,086,081 km (0.107 R)
• M5: 1,762,413 km (0.072 R)
• M6: 2,229,457 km (0.064 R)
• M7: 2,786,410 km (0.059 R)
• M8: 3,112,683 km (0.071 R)
• M9: 3,765,528 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 9

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.93 AU - 1.09 AU

Year: 655 Days

Day: 8.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,259,009 km

• M1: 111,899 km (0.069 R)
• M2: 413,937 km (0.083 R)
• M3: 700,716 km (0.031 R)
• M4: 997,967 km (0.096 R)
• M5: 1,403,228 km (0.094 R)
• M6: 1,999,226 km (0.047 R)
• M7: 2,494,993 km (0.054 R)
• M8: 2,983,430 km (0.06 R)
• M9: 3,290,405 km (0.083 R)
• M10: 3,878,923 km (0.12 R)
• M11: 4,618,685 km (0.079 R)
• M12: 5,013,623 km (0.116 R)
• M13: 5,356,801 km (0.058 R)
• M14: 5,930,508 km (0.096 R)
• M15: 6,481,477 km (0.105 R)
• M16: 7,223,184 km (0.115 R)
• M17: 7,661,805 km (0.114 R)
• M18: 8,315,547 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.7

Radius: 13.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.9 AU - 1.5 AU

Year: 849 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,259,009 km

• M1: 172,935 km (0.084 R)
• M2: 636,988 km (0.055 R)
• M3: 1,175,091 km (0.112 R)
• M4: 1,624,633 km (0.098 R)
• M5: 2,307,547 km (0.112 R)
• M6: 2,753,798 km (0.081 R)
• M7: 3,190,324 km (0.059 R)
• M8: 3,809,360 km (0.058 R)
• M9: 4,304,529 km (0.078 R)
• M10: 5,138,088 km (0.033 R)
• M11: 6,399,498 km (0.092 R)
• M12: 7,908,940 km (0.088 R)
• M13: 9,300,948 km (0.118 R)
• M14: 10,055,670 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 13.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.58 AU - 1.72 AU

Year: 1368 Days

Day: 9 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,259,009 km

• M1: 171,738 km (0.071 R)
• M2: 724,203 km (0.071 R)
• M3: 1,354,010 km (0.073 R)
• M4: 1,802,355 km (0.117 R)
• M5: 2,412,565 km (0.044 R)
• M6: 3,530,510 km (0.108 R)
• M7: 4,401,319 km (0.117 R)
• M8: 4,868,064 km (0.116 R)
• M9: 5,924,824 km (0.078 R)
• M10: 7,944,096 km (0.113 R)
• M11: 9,759,167 km (0.109 R)
• M12: 11,078,620 km (0.098 R)
• M13: 11,726,528 km (0.093 R)
• M14: 12,209,879 km (0.094 R)
• M15: 12,784,335 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 8.5

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.19 AU - 2.79 AU

Year: 2537 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,259,009 km

• M1: 106,514 km (0.107 R)
• M2: 371,900 km (0.039 R)
• M3: 969,394 km (0.083 R)
• M4: 1,456,634 km (0.094 R)
• M5: 2,276,431 km (0.083 R)
• M6: 2,645,788 km (0.068 R)
• M7: 2,986,572 km (0.111 R)
• M8: 3,619,969 km (0.103 R)
• M9: 4,296,451 km (0.074 R)
• M10: 6,200,533 km (0.114 R)
• M11: 7,075,530 km (0.07 R)
• M12: 8,678,322 km (0.098 R)
• M13: 13,742,509 km (0.042 R)
• M14: 14,868,832 km (0.064 R)
• M15: 17,415,735 km (0.06 R)
• M16: 18,969,309 km (0.071 R)
• M17: 21,309,319 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.2

Radius: 14.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.29 AU - 4.39 AU

Year: 4859 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,259,009 km

• M1: 179,069 km (0.09 R)
• M2: 746,344 km (0.106 R)
• M3: 1,472,941 km (0.058 R)
• M4: 2,086,442 km (0.105 R)
• M5: 3,047,159 km (0.065 R)
• M6: 3,733,514 km (0.081 R)
• M7: 4,867,017 km (0.119 R)
• M8: 6,339,509 km (0.077 R)
• M9: 8,308,965 km (0.06 R)
• M10: 8,907,207 km (0.068 R)
• M11: 10,232,494 km (0.112 R)
• M12: 11,777,691 km (0.086 R)
• M13: 13,272,024 km (0.064 R)
• M14: 14,835,471 km (0.081 R)
• M15: 15,382,999 km (0.107 R)
• M16: 16,114,832 km (0.105 R)
• M17: 16,576,790 km (0.103 R)
• M18: 20,800,088 km (0.052 R)
• M19: 25,458,566 km (0.117 R)
• M20: 26,483,311 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 12.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.21 AU - 5.49 AU

Year: 7990 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,259,009 km

• M1: 154,983 km (0.04 R)
• M2: 561,740 km (0.12 R)
• M3: 1,409,362 km (0.105 R)
• M4: 3,619,072 km (0.027 R)
• M5: 4,522,942 km (0.106 R)
• M6: 5,828,632 km (0.078 R)
• M7: 6,366,736 km (0.115 R)
• M8: 8,897,782 km (0.09 R)
• M9: 10,068,535 km (0.103 R)
• M10: 10,625,488 km (0.115 R)
• M11: 11,989,671 km (0.08 R)
• M12: 13,570,172 km (0.11 R)
• M13: 15,792,898 km (0.106 R)
• M14: 16,782,188 km (0.063 R)
• M15: 18,123,184 km (0.098 R)
• M16: 21,857,745 km (0.049 R)
• M17: 24,436,064 km (0.098 R)
• M18: 24,897,574 km (0.073 R)
• M19: 25,917,532 km (0.119 R)
• M20: 27,128,826 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.4

Radius: 4

Gravity: 26.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.24 AU - 10.74 AU

Year: 21937 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,259,009 km

• M1: 51,013 km (0.059 R)
• M2: 672,592 km (0.066 R)
• M3: 1,144,125 km (0.071 R)
• M4: 2,382,047 km (0.08 R)
• M5: 2,536,881 km (0.112 R)
• M6: 2,746,019 km (0.112 R)
• M7: 3,999,349 km (0.081 R)
• M8: 7,053,390 km (0.111 R)
• M9: 7,281,228 km (0.079 R)
• M10: 9,338,797 km (0.091 R)
• M11: 12,866,763 km (0.102 R)
• M12: 15,528,259 km (0.079 R)
• M13: 18,277,718 km (0.091 R)
• M14: 21,052,310 km (0.074 R)
• M15: 21,619,884 km (0.082 R)
• M16: 26,206,256 km (0.039 R)
• M17: 29,481,552 km (0.092 R)
• M18: 39,909,421 km (0.074 R)
• M19: 49,667,091 km (0.116 R)
• M20: 59,951,945 km (0.041 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: 291 - 12,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit