🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.51 AU - 0.71 AU

Year: 303 Days

Day: 41.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,836,857 km

• M1: 44,431 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437

Radius: 13.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.87 AU - 1.14 AU

Year: 636 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,836,857 km

• M1: 167,849 km (0.094 R)
• M2: 656,136 km (0.108 R)
• M3: 1,094,757 km (0.073 R)
• M4: 1,672,504 km (0.114 R)
• M5: 2,711,312 km (0.058 R)
• M6: 3,184,340 km (0.062 R)
• M7: 4,129,500 km (0.075 R)
• M8: 4,868,663 km (0.095 R)
• M9: 5,642,383 km (0.084 R)
• M10: 6,326,793 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 14.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.03 AU - 1.31 AU

Year: 805 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,836,857 km

• M1: 178,021 km (0.095 R)
• M2: 677,230 km (0.084 R)
• M3: 1,145,620 km (0.052 R)
• M4: 1,635,853 km (0.107 R)
• M5: 2,122,345 km (0.051 R)
• M6: 2,572,635 km (0.077 R)
• M7: 3,252,707 km (0.098 R)
• M8: 3,785,275 km (0.093 R)
• M9: 5,152,151 km (0.105 R)
• M10: 5,802,602 km (0.1 R)
• M11: 6,279,969 km (0.073 R)
• M12: 7,001,180 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 14.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.6 AU - 1.86 AU

Year: 1447 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,836,857 km

• M1: 182,659 km (0.119 R)
• M2: 644,916 km (0.113 R)
• M3: 1,226,703 km (0.116 R)
• M4: 1,711,250 km (0.102 R)
• M5: 2,284,659 km (0.103 R)
• M6: 2,948,125 km (0.083 R)
• M7: 3,409,036 km (0.094 R)
• M8: 4,248,580 km (0.09 R)
• M9: 5,545,892 km (0.097 R)
• M10: 6,255,435 km (0.087 R)
• M11: 7,209,271 km (0.118 R)
• M12: 8,131,093 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 13.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.27 AU - 4.75 AU

Year: 5106 Days

Day: 9.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,836,857 km

• M1: 166,951 km (0.115 R)
• M2: 826,678 km (0.078 R)
• M3: 1,608,476 km (0.105 R)
• M4: 2,097,362 km (0.104 R)
• M5: 6,097,011 km (0.072 R)
• M6: 6,830,938 km (0.111 R)
• M7: 7,622,909 km (0.118 R)
• M8: 8,629,852 km (0.086 R)
• M9: 9,681,675 km (0.08 R)
• M10: 10,817,123 km (0.111 R)
• M11: 13,092,357 km (0.034 R)
• M12: 15,266,612 km (0.115 R)
• M13: 17,048,323 km (0.034 R)
• M14: 19,906,839 km (0.111 R)
• M15: 25,011,268 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 8.8

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.64 AU - 5.42 AU

Year: 6130 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,836,857 km

• M1: 109,506 km (0.086 R)
• M2: 447,447 km (0.107 R)
• M3: 1,153,400 km (0.072 R)
• M4: 1,436,738 km (0.108 R)
• M5: 1,989,652 km (0.119 R)
• M6: 3,336,332 km (0.031 R)
• M7: 4,603,126 km (0.111 R)
• M8: 5,148,710 km (0.068 R)
• M9: 8,010,517 km (0.114 R)
• M10: 8,672,039 km (0.118 R)
• M11: 9,059,797 km (0.115 R)
• M12: 11,125,294 km (0.063 R)
• M13: 15,028,153 km (0.101 R)
• M14: 16,750,474 km (0.103 R)
• M15: 18,814,027 km (0.111 R)
• M16: 23,109,430 km (0.086 R)
• M17: 24,023,772 km (0.103 R)
• M18: 28,865,059 km (0.093 R)
• M19: 31,011,190 km (0.094 R)
• M20: 31,311,882 km (0.106 R)
• M21: 33,261,441 km (0.118 R)
• M22: 33,787,577 km (0.077 R)
• M23: 36,058,472 km (0.085 R)
• M24: 36,502,329 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 12.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.95 AU - 5.19 AU

Year: 7258 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,836,857 km

• M1: 160,369 km (0.11 R)
• M2: 716,574 km (0.12 R)
• M3: 1,315,115 km (0.065 R)
• M4: 1,894,358 km (0.12 R)
• M5: 2,567,249 km (0.038 R)
• M6: 3,011,405 km (0.092 R)
• M7: 4,664,611 km (0.048 R)
• M8: 5,122,381 km (0.075 R)
• M9: 6,229,555 km (0.056 R)
• M10: 8,120,322 km (0.102 R)
• M11: 8,658,276 km (0.035 R)
• M12: 10,320,458 km (0.098 R)
• M13: 11,455,607 km (0.067 R)
• M14: 14,032,131 km (0.095 R)
• M15: 16,250,966 km (0.115 R)
• M16: 16,774,260 km (0.088 R)
• M17: 17,376,241 km (0.066 R)
• M18: 18,062,148 km (0.1 R)
• M19: 18,765,856 km (0.104 R)
• M20: 20,454,068 km (0.026 R)
• M21: 21,064,427 km (0.117 R)
• M22: 21,765,443 km (0.074 R)
• M23: 22,643,433 km (0.087 R)
• M24: 23,214,298 km (0.074 R)
• M25: 23,711,263 km (0.052 R)
• M26: 26,392,804 km (0.093 R)
• M27: 27,116,409 km (0.12 R)
• M28: 27,667,827 km (0.093 R)
• M29: 29,078,984 km (0.106 R)
• M30: 30,242,107 km (0.118 R)
• M31: 32,660,955 km (0.102 R)
• M32: 34,343,482 km (0.104 R)
• M33: 36,974,610 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 10.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.91 AU - 5.37 AU

Year: 7409 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,836,857 km

• M1: 134,189 km (0.076 R)
• M2: 506,838 km (0.112 R)
• M3: 867,069 km (0.099 R)
• M4: 1,200,822 km (0.045 R)
• M5: 2,682,140 km (0.057 R)
• M6: 4,152,089 km (0.117 R)
• M7: 4,936,431 km (0.102 R)
• M8: 5,452,693 km (0.066 R)
• M9: 6,393,215 km (0.092 R)
• M10: 7,007,463 km (0.107 R)
• M11: 8,921,419 km (0.077 R)
• M12: 10,827,295 km (0.118 R)
• M13: 15,188,522 km (0.073 R)
• M14: 18,020,410 km (0.108 R)
• M15: 19,736,896 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95

Radius: 5.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.72 AU - 9.92 AU

Year: 18091 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,836,857 km

• M1: 95,144 km (0.08 R)
• M2: 1,073,514 km (0.08 R)
• M3: 1,264,401 km (0.03 R)
• M4: 3,815,344 km (0.107 R)
• M5: 6,737,290 km (0.113 R)
• M6: 7,170,376 km (0.056 R)
• M7: 14,023,753 km (0.11 R)
• M8: 14,788,946 km (0.086 R)
• M9: 14,969,361 km (0.091 R)
• M10: 16,274,004 km (0.088 R)
• M11: 18,614,164 km (0.103 R)
• M12: 19,393,569 km (0.11 R)
• M13: 24,114,728 km (0.094 R)
• M14: 24,532,704 km (0.117 R)
• M15: 24,870,496 km (0.044 R)
• M16: 25,211,430 km (0.029 R)
• M17: 33,109,898 km (0.098 R)
• M18: 33,522,489 km (0.104 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: 430 - 19,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit