🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.65 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 8

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.64 AU - 3.96 AU

Year: 3871 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,417,213 km

• M1: 99,782 km (0.073 R)
• M2: 484,099 km (0.064 R)
• M3: 850,763 km (0.1 R)
• M4: 1,218,175 km (0.104 R)
• M5: 1,583,793 km (0.097 R)
• M6: 1,967,661 km (0.044 R)
• M7: 3,366,401 km (0.087 R)
• M8: 4,004,436 km (0.097 R)
• M9: 4,818,697 km (0.066 R)
• M10: 5,147,812 km (0.093 R)
• M11: 5,492,037 km (0.064 R)
• M12: 5,795,122 km (0.119 R)
• M13: 6,556,127 km (0.064 R)
• M14: 7,349,145 km (0.093 R)
• M15: 7,683,646 km (0.056 R)
• M16: 9,511,433 km (0.099 R)
• M17: 9,949,455 km (0.12 R)
• M18: 11,477,597 km (0.078 R)
• M19: 12,297,693 km (0.089 R)
• M20: 13,107,466 km (0.087 R)
• M21: 14,674,803 km (0.1 R)
• M22: 15,098,913 km (0.103 R)
• M23: 15,368,040 km (0.084 R)
• M24: 17,342,432 km (0.066 R)
• M25: 17,816,508 km (0.028 R)
• M26: 21,515,315 km (0.097 R)
• M27: 24,051,747 km (0.091 R)
• M28: 24,939,611 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 12.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.79 AU - 4.79 AU

Year: 6769 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,417,213 km

• M1: 151,692 km (0.051 R)
• M2: 550,670 km (0.095 R)
• M3: 964,009 km (0.072 R)
• M4: 1,446,761 km (0.118 R)
• M5: 1,973,196 km (0.117 R)
• M6: 2,563,808 km (0.093 R)
• M7: 4,188,292 km (0.08 R)
• M8: 5,070,321 km (0.051 R)
• M9: 5,851,072 km (0.083 R)
• M10: 7,521,631 km (0.042 R)
• M11: 10,882,796 km (0.102 R)
• M12: 11,825,412 km (0.115 R)
• M13: 12,775,060 km (0.108 R)
• M14: 14,775,034 km (0.113 R)
• M15: 17,088,565 km (0.107 R)
• M16: 17,775,069 km (0.092 R)
• M17: 19,510,405 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.7

Radius: 8.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.04 AU - 5.92 AU

Year: 7176 Days

Day: 12.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,417,213 km

• M1: 123,717 km (0.079 R)
• M2: 406,757 km (0.087 R)
• M3: 721,660 km (0.116 R)
• M4: 1,194,988 km (0.11 R)
• M5: 1,827,787 km (0.092 R)
• M6: 3,266,021 km (0.059 R)
• M7: 4,918,180 km (0.064 R)
• M8: 5,654,949 km (0.106 R)
• M9: 6,063,950 km (0.052 R)
• M10: 8,137,077 km (0.038 R)
• M11: 9,693,044 km (0.03 R)
• M12: 11,140,553 km (0.089 R)
• M13: 15,068,994 km (0.096 R)
• M14: 16,670,738 km (0.073 R)
• M15: 17,004,192 km (0.052 R)
• M16: 17,512,675 km (0.097 R)
• M17: 19,281,370 km (0.098 R)
• M18: 19,710,567 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 11.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.44 AU - 6.16 AU

Year: 7878 Days

Day: 5.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,417,213 km

• M1: 145,409 km (0.102 R)
• M2: 1,289,534 km (0.104 R)
• M3: 2,227,961 km (0.113 R)
• M4: 3,398,564 km (0.117 R)
• M5: 4,070,708 km (0.109 R)
• M6: 5,083,485 km (0.07 R)
• M7: 5,711,497 km (0.12 R)
• M8: 8,385,110 km (0.064 R)
• M9: 14,015,376 km (0.05 R)
• M10: 15,739,940 km (0.11 R)
• M11: 16,879,128 km (0.055 R)
• M12: 23,171,214 km (0.069 R)
• M13: 25,318,392 km (0.111 R)
• M14: 31,753,345 km (0.119 R)
• M15: 32,150,976 km (0.074 R)
• M16: 32,753,556 km (0.106 R)
• M17: 34,816,960 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.3

Radius: 5.5

Gravity: 32.04 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.38 AU - 7.48 AU

Year: 11779 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,417,213 km

• M1: 68,366 km (0.056 R)
• M2: 283,189 km (0.06 R)
• M3: 562,488 km (0.088 R)
• M4: 760,406 km (0.065 R)
• M5: 1,315,264 km (0.084 R)
• M6: 2,322,357 km (0.064 R)
• M7: 2,750,656 km (0.082 R)
• M8: 3,080,669 km (0.084 R)
• M9: 3,489,670 km (0.066 R)
• M10: 3,963,147 km (0.105 R)
• M11: 6,412,812 km (0.042 R)
• M12: 6,781,870 km (0.053 R)
• M13: 9,988,650 km (0.089 R)
• M14: 10,317,466 km (0.106 R)
• M15: 10,710,160 km (0.089 R)
• M16: 12,760,848 km (0.087 R)
• M17: 14,775,482 km (0.106 R)
• M18: 15,637,615 km (0.095 R)
• M19: 16,532,809 km (0.055 R)
• M20: 17,858,695 km (0.057 R)
• M21: 18,424,623 km (0.074 R)
• M22: 21,165,256 km (0.099 R)
• M23: 22,352,315 km (0.101 R)
• M24: 23,199,638 km (0.12 R)
• M25: 27,867,241 km (0.09 R)
• M26: 32,882,809 km (0.113 R)
• M27: 33,732,375 km (0.035 R)
• M28: 37,277,695 km (0.11 R)
• M29: 41,063,568 km (0.114 R)
• M30: 42,475,323 km (0.101 R)
• M31: 44,065,549 km (0.085 R)
• M32: 47,057,506 km (0.059 R)
• M33: 51,145,866 km (0.116 R)
• M34: 52,285,653 km (0.034 R)
• M35: 52,944,631 km (0.115 R)
• M36: 55,464,757 km (0.073 R)
• M37: 59,303,887 km (0.07 R)
• M38: 60,020,461 km (0.105 R)

Asteroid Belt

Center: 7.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.4

Radius: 7

Gravity: 17.03 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.98 AU - 9.9 AU

Year: 14446 Days

Day: 22.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,417,213 km

• M1: 87,066 km (0.071 R)
• M2: 437,125 km (0.098 R)
• M3: 692,040 km (0.093 R)
• M4: 1,475,633 km (0.113 R)
• M5: 1,696,889 km (0.039 R)
• M6: 2,499,481 km (0.076 R)
• M7: 3,009,909 km (0.094 R)
• M8: 3,342,914 km (0.107 R)
• M9: 3,873,687 km (0.119 R)
• M10: 4,927,305 km (0.115 R)
• M11: 5,805,295 km (0.086 R)
• M12: 6,120,049 km (0.099 R)
• M13: 8,450,933 km (0.109 R)
• M14: 8,907,057 km (0.109 R)
• M15: 9,167,358 km (0.059 R)
• M16: 10,604,544 km (0.072 R)
• M17: 12,702,355 km (0.049 R)
• M18: 18,111,216 km (0.097 R)
• M19: 19,299,322 km (0.119 R)
• M20: 20,358,325 km (0.059 R)
• M21: 33,661,615 km (0.058 R)
• M22: 37,172,677 km (0.065 R)
• M23: 39,784,656 km (0.025 R)
• M24: 45,217,602 km (0.099 R)
• M25: 51,291,425 km (0.12 R)
• M26: 53,487,971 km (0.089 R)
• M27: 57,526,515 km (0.071 R)
• M28: 58,249,073 km (0.109 R)
• M29: 59,896,743 km (0.083 R)
• M30: 60,825,447 km (0.104 R)
• M31: 61,952,517 km (0.118 R)
• M32: 64,636,453 km (0.092 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: 455 - 15,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit