🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.52 AU - 0.56 AU

Year: 256 Days

Day: 34.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,364,519 km

• M1: 18,999 km (0.089 R)
• M2: 116,836 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.6 AU - 0.64 AU

Year: 315 Days

Day: 33.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,364,519 km

• M1: 254,167 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28

Radius: 8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.73 AU - 0.79 AU

Year: 428 Days

Day: 10.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,364,519 km

• M1: 125,662 km (0.084 R)
• M2: 868,116 km (0.106 R)
• M3: 1,127,519 km (0.043 R)
• M4: 1,390,213 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.7

Radius: 13.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.62 AU - 2.68 AU

Year: 2785 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,364,519 km

• M1: 167,849 km (0.036 R)
• M2: 651,948 km (0.063 R)
• M3: 1,300,155 km (0.116 R)
• M4: 1,824,645 km (0.068 R)
• M5: 2,475,845 km (0.12 R)
• M6: 3,513,904 km (0.113 R)
• M7: 3,979,303 km (0.117 R)
• M8: 5,629,966 km (0.079 R)
• M9: 6,382,294 km (0.089 R)
• M10: 9,480,915 km (0.113 R)
• M11: 10,866,041 km (0.05 R)
• M12: 12,827,419 km (0.084 R)
• M13: 15,419,352 km (0.119 R)
• M14: 15,935,165 km (0.067 R)
• M15: 16,515,755 km (0.098 R)
• M16: 18,805,500 km (0.082 R)
• M17: 19,995,999 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 14.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.83 AU - 4.17 AU

Year: 5165 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,364,519 km

• M1: 184,155 km (0.034 R)
• M2: 692,189 km (0.084 R)
• M3: 1,222,364 km (0.101 R)
• M4: 1,727,706 km (0.106 R)
• M5: 2,488,261 km (0.031 R)
• M6: 3,483,237 km (0.108 R)
• M7: 4,528,926 km (0.087 R)
• M8: 6,563,607 km (0.079 R)
• M9: 7,547,213 km (0.104 R)
• M10: 8,592,902 km (0.12 R)
• M11: 11,134,420 km (0.037 R)
• M12: 13,161,172 km (0.092 R)
• M13: 13,716,030 km (0.095 R)
• M14: 14,190,256 km (0.113 R)
• M15: 16,835,445 km (0.111 R)
• M16: 18,618,053 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698

Radius: 10

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.44 AU - 4.58 AU

Year: 5185 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,364,519 km

• M1: 124,465 km (0.077 R)
• M2: 454,478 km (0.112 R)
• M3: 953,238 km (0.05 R)
• M4: 1,321,548 km (0.057 R)
• M5: 1,694,944 km (0.027 R)
• M6: 2,589,539 km (0.084 R)
• M7: 3,639,716 km (0.094 R)
• M8: 4,740,308 km (0.051 R)
• M9: 6,299,866 km (0.118 R)
• M10: 7,024,518 km (0.052 R)
• M11: 8,957,472 km (0.107 R)
• M12: 10,354,267 km (0.111 R)
• M13: 12,037,841 km (0.109 R)
• M14: 12,739,455 km (0.098 R)
• M15: 13,521,254 km (0.042 R)
• M16: 14,334,618 km (0.092 R)
• M17: 16,908,898 km (0.05 R)
• M18: 18,175,244 km (0.094 R)
• M19: 19,776,839 km (0.067 R)
• M20: 22,427,264 km (0.105 R)
• M21: 23,720,986 km (0.108 R)
• M22: 25,305,976 km (0.034 R)
• M23: 25,876,991 km (0.089 R)
• M24: 26,875,856 km (0.07 R)
• M25: 27,214,545 km (0.095 R)
• M26: 29,665,258 km (0.093 R)
• M27: 30,759,267 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 9.9

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.62 AU - 5.76 AU

Year: 8764 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,364,519 km

• M1: 123,119 km (0.118 R)
• M2: 490,681 km (0.04 R)
• M3: 824,434 km (0.074 R)
• M4: 1,280,558 km (0.078 R)
• M5: 2,011,643 km (0.102 R)
• M6: 2,334,325 km (0.109 R)
• M7: 2,936,157 km (0.076 R)
• M8: 3,423,846 km (0.11 R)
• M9: 4,256,059 km (0.096 R)
• M10: 6,389,026 km (0.097 R)
• M11: 7,249,214 km (0.087 R)
• M12: 8,016,351 km (0.117 R)
• M13: 10,543,359 km (0.111 R)
• M14: 14,659,694 km (0.077 R)
• M15: 15,360,859 km (0.102 R)
• M16: 19,738,242 km (0.063 R)
• M17: 20,357,577 km (0.096 R)
• M18: 21,798,654 km (0.108 R)
• M19: 22,293,673 km (0.09 R)
• M20: 22,796,322 km (0.096 R)
• M21: 25,514,366 km (0.116 R)
• M22: 27,378,355 km (0.115 R)
• M23: 27,954,756 km (0.048 R)
• M24: 29,431,436 km (0.04 R)
• M25: 32,432,519 km (0.103 R)
• M26: 40,878,516 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 14.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.89 AU - 6.49 AU

Year: 8764 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,364,519 km

• M1: 182,809 km (0.12 R)
• M2: 748,289 km (0.079 R)
• M3: 1,545,645 km (0.117 R)
• M4: 3,413,225 km (0.069 R)
• M5: 3,917,220 km (0.118 R)
• M6: 7,191,319 km (0.109 R)
• M7: 7,727,029 km (0.074 R)
• M8: 8,512,867 km (0.083 R)
• M9: 10,398,847 km (0.105 R)
• M10: 11,523,075 km (0.112 R)
• M11: 13,146,362 km (0.081 R)
• M12: 14,395,953 km (0.045 R)
• M13: 15,998,595 km (0.041 R)
• M14: 19,954,860 km (0.11 R)
• M15: 21,603,877 km (0.088 R)
• M16: 24,706,088 km (0.066 R)
• M17: 30,482,361 km (0.091 R)
• M18: 33,682,858 km (0.089 R)
• M19: 40,228,064 km (0.069 R)
• M20: 41,395,676 km (0.053 R)
• M21: 42,319,293 km (0.074 R)
• M22: 46,011,069 km (0.104 R)
• M23: 48,007,453 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.5

Radius: 4.6

Gravity: 20.53 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.17 AU - 8.63 AU

Year: 14337 Days

Day: 23.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 86 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,364,519 km

• M1: 64,925 km (0.045 R)
• M2: 521,199 km (0.1 R)
• M3: 845,378 km (0.042 R)
• M4: 1,441,375 km (0.032 R)
• M5: 3,850,051 km (0.071 R)
• M6: 4,792,069 km (0.075 R)
• M7: 5,248,791 km (0.092 R)
• M8: 8,478,160 km (0.106 R)
• M9: 9,795,220 km (0.064 R)
• M10: 12,047,117 km (0.054 R)
• M11: 23,937,155 km (0.113 R)
• M12: 25,071,107 km (0.078 R)
• M13: 26,838,606 km (0.039 R)
• M14: 27,547,700 km (0.084 R)
• M15: 31,170,811 km (0.108 R)
• M16: 31,841,458 km (0.099 R)
• M17: 32,067,201 km (0.069 R)
• M18: 38,571,866 km (0.078 R)
• M19: 51,428,606 km (0.097 R)
• M20: 51,739,321 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 15,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit