🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.1

Radius: 14.2

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.77 AU - 1.25 AU

Year: 688 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,272,493 km

• M1: 177,124 km (0.064 R)
• M2: 637,287 km (0.106 R)
• M3: 1,141,282 km (0.049 R)
• M4: 1,745,957 km (0.086 R)
• M5: 2,354,670 km (0.05 R)
• M6: 3,092,338 km (0.105 R)
• M7: 3,759,095 km (0.108 R)
• M8: 4,363,321 km (0.031 R)
• M9: 4,816,752 km (0.104 R)
• M10: 5,648,816 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.4

Radius: 12

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.89 AU - 1.25 AU

Year: 751 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,272,493 km

• M1: 149,299 km (0.116 R)
• M2: 537,954 km (0.051 R)
• M3: 1,081,443 km (0.117 R)
• M4: 1,642,285 km (0.1 R)
• M5: 2,692,313 km (0.11 R)
• M6: 4,116,933 km (0.069 R)
• M7: 4,506,337 km (0.07 R)
• M8: 5,053,117 km (0.058 R)
• M9: 5,536,318 km (0.108 R)
• M10: 6,202,777 km (0.067 R)
• M11: 6,880,754 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 10.8

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.22 AU - 1.3 AU

Year: 959 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,272,493 km

• M1: 134,339 km (0.06 R)
• M2: 472,580 km (0.097 R)
• M3: 812,765 km (0.09 R)
• M4: 1,402,630 km (0.119 R)
• M5: 2,155,406 km (0.097 R)
• M6: 2,593,578 km (0.04 R)
• M7: 3,118,068 km (0.1 R)
• M8: 4,143,562 km (0.101 R)
• M9: 4,789,376 km (0.096 R)
• M10: 5,460,621 km (0.118 R)
• M11: 6,063,501 km (0.083 R)
• M12: 6,527,404 km (0.094 R)
• M13: 7,304,116 km (0.093 R)
• M14: 8,141,266 km (0.058 R)
• M15: 8,624,317 km (0.104 R)
• M16: 9,013,122 km (0.117 R)
• M17: 10,219,629 km (0.106 R)
• M18: 10,623,842 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 8.2

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.02 AU - 5.4 AU

Year: 6933 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,272,493 km

• M1: 104,719 km (0.115 R)
• M2: 466,446 km (0.032 R)
• M3: 886,517 km (0.112 R)
• M4: 1,284,747 km (0.088 R)
• M5: 1,641,238 km (0.114 R)
• M6: 2,179,491 km (0.063 R)
• M7: 3,168,483 km (0.116 R)
• M8: 3,977,059 km (0.114 R)
• M9: 4,266,382 km (0.059 R)
• M10: 5,096,949 km (0.091 R)
• M11: 6,099,704 km (0.087 R)
• M12: 6,521,270 km (0.082 R)
• M13: 7,903,555 km (0.112 R)
• M14: 9,151,351 km (0.117 R)
• M15: 11,339,967 km (0.038 R)
• M16: 12,865,566 km (0.116 R)
• M17: 13,677,584 km (0.082 R)
• M18: 15,467,672 km (0.111 R)
• M19: 16,252,163 km (0.057 R)
• M20: 17,062,834 km (0.088 R)
• M21: 18,985,316 km (0.091 R)
• M22: 19,808,404 km (0.106 R)
• M23: 23,002,468 km (0.071 R)
• M24: 26,248,592 km (0.114 R)
• M25: 28,316,783 km (0.072 R)
• M26: 28,997,004 km (0.117 R)
• M27: 30,188,402 km (0.116 R)
• M28: 32,562,669 km (0.109 R)
• M29: 39,336,910 km (0.103 R)
• M30: 41,042,475 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.8

Radius: 13

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.17 AU - 5.33 AU

Year: 7022 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,272,493 km

• M1: 161,715 km (0.099 R)
• M2: 644,767 km (0.1 R)
• M3: 1,133,204 km (0.057 R)
• M4: 1,713,793 km (0.086 R)
• M5: 4,209,983 km (0.093 R)
• M6: 4,650,250 km (0.086 R)
• M7: 5,182,519 km (0.104 R)
• M8: 6,091,326 km (0.113 R)
• M9: 6,840,662 km (0.11 R)
• M10: 7,491,562 km (0.102 R)
• M11: 8,225,340 km (0.104 R)
• M12: 8,653,339 km (0.056 R)
• M13: 11,073,534 km (0.111 R)
• M14: 11,543,420 km (0.092 R)
• M15: 13,854,708 km (0.096 R)
• M16: 17,629,810 km (0.111 R)
• M17: 18,055,865 km (0.092 R)
• M18: 25,935,484 km (0.109 R)
• M19: 29,562,484 km (0.045 R)
• M20: 30,877,150 km (0.076 R)
• M21: 36,528,060 km (0.08 R)
• M22: 42,450,490 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.3

Radius: 11.4

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.21 AU - 5.99 AU

Year: 7812 Days

Day: 11.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,272,493 km

• M1: 145,858 km (0.111 R)
• M2: 594,352 km (0.067 R)
• M3: 2,042,310 km (0.102 R)
• M4: 4,702,908 km (0.064 R)
• M5: 5,138,388 km (0.095 R)
• M6: 12,146,001 km (0.081 R)
• M7: 14,972,503 km (0.088 R)
• M8: 15,535,589 km (0.079 R)
• M9: 20,257,646 km (0.119 R)
• M10: 24,802,878 km (0.078 R)
• M11: 28,342,513 km (0.083 R)
• M12: 29,985,846 km (0.101 R)
• M13: 33,673,882 km (0.114 R)
• M14: 34,208,994 km (0.07 R)
• M15: 35,076,811 km (0.041 R)
• M16: 36,630,983 km (0.093 R)
• M17: 38,695,883 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.1

Radius: 10.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.21 AU - 6.47 AU

Year: 8370 Days

Day: 7.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,272,493 km

• M1: 131,197 km (0.102 R)
• M2: 489,634 km (0.08 R)
• M3: 1,331,271 km (0.116 R)
• M4: 2,532,842 km (0.076 R)
• M5: 3,621,465 km (0.112 R)
• M6: 4,638,132 km (0.069 R)
• M7: 4,997,466 km (0.092 R)
• M8: 5,375,351 km (0.113 R)
• M9: 6,387,979 km (0.091 R)
• M10: 7,300,675 km (0.109 R)
• M11: 8,020,839 km (0.097 R)
• M12: 11,784,871 km (0.059 R)
• M13: 13,429,700 km (0.085 R)
• M14: 13,821,497 km (0.078 R)
• M15: 14,394,158 km (0.062 R)
• M16: 14,982,676 km (0.111 R)
• M17: 20,503,884 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.2

Radius: 6.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.35 AU - 11.07 AU

Year: 18957 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,272,493 km

• M1: 79,736 km (0.097 R)
• M2: 338,091 km (0.112 R)
• M3: 912,397 km (0.111 R)
• M4: 1,235,230 km (0.096 R)
• M5: 1,708,557 km (0.074 R)
• M6: 2,110,527 km (0.074 R)
• M7: 2,615,270 km (0.068 R)
• M8: 3,197,206 km (0.109 R)
• M9: 5,461,669 km (0.092 R)
• M10: 8,479,955 km (0.109 R)
• M11: 13,953,143 km (0.076 R)
• M12: 15,916,615 km (0.078 R)
• M13: 18,916,651 km (0.051 R)
• M14: 19,558,874 km (0.085 R)
• M15: 27,610,980 km (0.041 R)
• M16: 32,700,599 km (0.119 R)
• M17: 40,062,011 km (0.078 R)
• M18: 41,655,826 km (0.09 R)
• M19: 42,332,308 km (0.116 R)
• M20: 43,568,285 km (0.118 R)
• M21: 44,546,057 km (0.106 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 13,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit