🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.41 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 14.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.75 AU - 2.87 AU

Year: 3251 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,946,923 km

• M1: 197,469 km (0.082 R)
• M2: 896,690 km (0.073 R)
• M3: 1,386,473 km (0.12 R)
• M4: 2,619,459 km (0.08 R)
• M5: 3,354,583 km (0.047 R)
• M6: 4,560,940 km (0.099 R)
• M7: 5,038,755 km (0.105 R)
• M8: 5,629,667 km (0.097 R)
• M9: 6,295,527 km (0.06 R)
• M10: 6,859,362 km (0.098 R)
• M11: 9,011,925 km (0.107 R)
• M12: 10,363,841 km (0.077 R)
• M13: 12,849,410 km (0.086 R)
• M14: 13,613,406 km (0.044 R)
• M15: 16,252,013 km (0.099 R)
• M16: 18,013,528 km (0.119 R)
• M17: 18,970,805 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 8.6

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.87 AU - 4.05 AU

Year: 5439 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,946,923 km

• M1: 106,962 km (0.096 R)
• M2: 436,377 km (0.077 R)
• M3: 1,229,096 km (0.077 R)
• M4: 1,665,922 km (0.092 R)
• M5: 1,935,796 km (0.089 R)
• M6: 2,890,231 km (0.101 R)
• M7: 3,181,947 km (0.06 R)
• M8: 4,177,969 km (0.117 R)
• M9: 6,571,535 km (0.096 R)
• M10: 7,218,696 km (0.055 R)
• M11: 9,001,902 km (0.089 R)
• M12: 9,374,251 km (0.116 R)
• M13: 10,462,576 km (0.054 R)
• M14: 15,844,658 km (0.11 R)
• M15: 18,954,349 km (0.104 R)
• M16: 19,429,472 km (0.052 R)
• M17: 21,776,962 km (0.057 R)
• M18: 26,434,393 km (0.089 R)
• M19: 27,113,118 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 14.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.38 AU - 4.78 AU

Year: 6766 Days

Day: 11 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,946,923 km

• M1: 175,478 km (0.119 R)
• M2: 683,363 km (0.102 R)
• M3: 1,332,019 km (0.09 R)
• M4: 2,004,911 km (0.025 R)
• M5: 2,533,141 km (0.109 R)
• M6: 3,014,547 km (0.07 R)
• M7: 3,783,181 km (0.07 R)
• M8: 5,682,176 km (0.085 R)
• M9: 6,154,008 km (0.093 R)
• M10: 6,893,470 km (0.053 R)
• M11: 8,550,565 km (0.043 R)
• M12: 9,172,294 km (0.082 R)
• M13: 9,647,118 km (0.091 R)
• M14: 10,275,429 km (0.1 R)
• M15: 11,171,670 km (0.111 R)
• M16: 11,966,334 km (0.054 R)
• M17: 12,534,207 km (0.114 R)
• M18: 13,836,008 km (0.096 R)
• M19: 19,599,266 km (0.094 R)
• M20: 20,608,752 km (0.082 R)
• M21: 23,845,751 km (0.102 R)
• M22: 24,996,159 km (0.114 R)
• M23: 28,034,043 km (0.084 R)
• M24: 29,315,348 km (0.066 R)
• M25: 29,970,587 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 12.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.25 AU - 5.91 AU

Year: 7903 Days

Day: 12.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,946,923 km

• M1: 153,787 km (0.096 R)
• M2: 665,561 km (0.091 R)
• M3: 1,492,239 km (0.098 R)
• M4: 1,969,755 km (0.09 R)
• M5: 2,759,931 km (0.106 R)
• M6: 3,678,462 km (0.073 R)
• M7: 4,209,235 km (0.097 R)
• M8: 5,362,336 km (0.108 R)
• M9: 6,428,221 km (0.058 R)
• M10: 7,277,936 km (0.089 R)
• M11: 8,201,105 km (0.114 R)
• M12: 9,291,374 km (0.1 R)
• M13: 10,475,890 km (0.101 R)
• M14: 11,494,053 km (0.08 R)
• M15: 16,168,687 km (0.097 R)
• M16: 16,568,563 km (0.114 R)
• M17: 17,388,209 km (0.116 R)
• M18: 18,668,019 km (0.117 R)
• M19: 20,860,525 km (0.106 R)
• M20: 21,574,556 km (0.066 R)
• M21: 23,051,536 km (0.106 R)
• M22: 24,245,925 km (0.083 R)
• M23: 25,035,503 km (0.102 R)
• M24: 25,661,271 km (0.086 R)
• M25: 28,365,551 km (0.101 R)
• M26: 29,439,365 km (0.08 R)
• M27: 30,036,410 km (0.034 R)
• M28: 37,378,674 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.3

Radius: 6.8

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.93 AU - 6.69 AU

Year: 10941 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,946,923 km

• M1: 84,672 km (0.111 R)
• M2: 829,371 km (0.074 R)
• M3: 3,893,135 km (0.066 R)
• M4: 5,153,796 km (0.063 R)
• M5: 5,942,925 km (0.103 R)
• M6: 13,276,811 km (0.088 R)
• M7: 14,088,978 km (0.079 R)
• M8: 17,670,949 km (0.119 R)
• M9: 18,724,417 km (0.072 R)
• M10: 28,704,241 km (0.09 R)
• M11: 36,574,435 km (0.118 R)
• M12: 38,745,101 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.4

Radius: 7.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.61 AU - 11.03 AU

Year: 19640 Days

Day: 15.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,946,923 km

• M1: 91,853 km (0.085 R)
• M2: 492,027 km (0.076 R)
• M3: 1,023,997 km (0.099 R)
• M4: 1,255,425 km (0.089 R)
• M5: 2,560,068 km (0.065 R)
• M6: 2,948,275 km (0.097 R)
• M7: 5,100,539 km (0.057 R)
• M8: 9,308,578 km (0.119 R)
• M9: 10,816,076 km (0.108 R)
• M10: 13,403,670 km (0.106 R)
• M11: 14,109,922 km (0.097 R)
• M12: 24,053,393 km (0.098 R)
• M13: 25,384,365 km (0.072 R)
• M14: 25,871,456 km (0.102 R)
• M15: 27,985,124 km (0.027 R)
• M16: 28,925,347 km (0.082 R)
• M17: 51,020,055 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794

Radius: 7.8

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.06 AU - 10.52 AU

Year: 21144 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,946,923 km

• M1: 96,939 km (0.078 R)
• M2: 630,106 km (0.102 R)
• M3: 991,235 km (0.105 R)
• M4: 1,782,758 km (0.111 R)
• M5: 3,469,623 km (0.059 R)
• M6: 3,741,293 km (0.074 R)
• M7: 4,092,699 km (0.103 R)
• M8: 5,439,229 km (0.034 R)
• M9: 6,684,182 km (0.103 R)
• M10: 7,348,696 km (0.113 R)
• M11: 8,753,719 km (0.098 R)
• M12: 9,490,489 km (0.033 R)
• M13: 10,145,578 km (0.117 R)
• M14: 10,894,315 km (0.106 R)
• M15: 12,223,193 km (0.041 R)
• M16: 13,731,289 km (0.075 R)
• M17: 20,714,817 km (0.103 R)
• M18: 24,461,496 km (0.052 R)
• M19: 25,464,101 km (0.09 R)
• M20: 28,271,604 km (0.045 R)
• M21: 31,278,970 km (0.115 R)
• M22: 34,770,435 km (0.059 R)
• M23: 39,111,915 km (0.066 R)
• M24: 42,516,164 km (0.055 R)
• M25: 43,477,779 km (0.088 R)
• M26: 44,126,884 km (0.113 R)
• M27: 44,453,755 km (0.06 R)
• M28: 45,777,846 km (0.07 R)
• M29: 47,298,508 km (0.055 R)
• M30: 49,202,440 km (0.059 R)
• M31: 53,904,900 km (0.108 R)
• M32: 54,653,936 km (0.079 R)
• M33: 65,668,828 km (0.099 R)
• M34: 75,245,186 km (0.118 R)
• M35: 80,000,005 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 12,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit