🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.8

Radius: 14.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.69 AU - 0.85 AU

Year: 436 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,414,948 km

• M1: 182,809 km (0.081 R)
• M2: 943,813 km (0.091 R)
• M3: 1,667,717 km (0.111 R)
• M4: 2,126,833 km (0.098 R)
• M5: 2,653,717 km (0.12 R)
• M6: 3,332,442 km (0.031 R)
• M7: 3,808,163 km (0.119 R)
• M8: 4,381,572 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 10.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.79 AU - 0.85 AU

Year: 479 Days

Day: 5.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,414,948 km

• M1: 135,685 km (0.08 R)
• M2: 502,948 km (0.06 R)
• M3: 1,081,144 km (0.026 R)
• M4: 1,527,843 km (0.111 R)
• M5: 1,926,073 km (0.114 R)
• M6: 2,269,998 km (0.098 R)
• M7: 2,610,483 km (0.103 R)
• M8: 2,975,651 km (0.078 R)
• M9: 3,504,929 km (0.066 R)
• M10: 3,987,232 km (0.096 R)
• M11: 4,358,534 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 15

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.83 AU - 2.81 AU

Year: 2282 Days

Day: 7.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,414,948 km

• M1: 200,461 km (0.093 R)
• M2: 754,721 km (0.114 R)
• M3: 1,223,112 km (0.078 R)
• M4: 1,930,112 km (0.091 R)
• M5: 2,406,581 km (0.075 R)
• M6: 3,640,464 km (0.1 R)
• M7: 4,861,482 km (0.109 R)
• M8: 5,687,412 km (0.114 R)
• M9: 6,932,665 km (0.077 R)
• M10: 7,531,654 km (0.08 R)
• M11: 8,479,357 km (0.079 R)
• M12: 8,965,849 km (0.116 R)
• M13: 10,428,168 km (0.072 R)
• M14: 10,911,669 km (0.109 R)
• M15: 12,535,703 km (0.118 R)
• M16: 13,690,000 km (0.069 R)
• M17: 15,101,606 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 9.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.13 AU - 4.09 AU

Year: 4429 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,414,948 km

• M1: 123,119 km (0.046 R)
• M2: 733,778 km (0.053 R)
• M3: 1,193,492 km (0.106 R)
• M4: 1,672,654 km (0.119 R)
• M5: 2,158,248 km (0.078 R)
• M6: 2,499,032 km (0.07 R)
• M7: 2,939,598 km (0.073 R)
• M8: 4,138,475 km (0.079 R)
• M9: 4,713,231 km (0.072 R)
• M10: 5,636,698 km (0.102 R)
• M11: 6,480,879 km (0.095 R)
• M12: 7,965,638 km (0.071 R)
• M13: 8,353,396 km (0.049 R)
• M14: 9,485,103 km (0.098 R)
• M15: 9,847,429 km (0.118 R)
• M16: 10,332,276 km (0.11 R)
• M17: 12,261,939 km (0.035 R)
• M18: 12,736,015 km (0.118 R)
• M19: 14,091,072 km (0.117 R)
• M20: 15,193,309 km (0.12 R)
• M21: 16,403,855 km (0.057 R)
• M22: 19,130,277 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.5

Radius: 12.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.63 AU - 5.41 AU

Year: 6205 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 68.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,414,948 km

• M1: 156,779 km (0.098 R)
• M2: 638,334 km (0.092 R)
• M3: 1,125,126 km (0.077 R)
• M4: 1,944,922 km (0.049 R)
• M5: 2,546,904 km (0.033 R)
• M6: 2,958,447 km (0.113 R)
• M7: 3,373,133 km (0.082 R)
• M8: 3,987,082 km (0.057 R)
• M9: 5,129,561 km (0.099 R)
• M10: 7,395,670 km (0.092 R)
• M11: 8,513,316 km (0.102 R)
• M12: 8,909,900 km (0.065 R)
• M13: 11,175,709 km (0.119 R)
• M14: 12,042,778 km (0.059 R)
• M15: 16,447,687 km (0.081 R)
• M16: 17,064,779 km (0.099 R)
• M17: 19,008,953 km (0.032 R)
• M18: 19,551,395 km (0.099 R)
• M19: 21,973,085 km (0.078 R)
• M20: 24,588,355 km (0.076 R)
• M21: 26,136,992 km (0.101 R)
• M22: 27,836,424 km (0.076 R)
• M23: 28,360,316 km (0.107 R)
• M24: 29,608,411 km (0.114 R)
• M25: 30,062,889 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.4

Radius: 7.3

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.53 AU - 6.59 AU

Year: 9632 Days

Day: 19.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,414,948 km

• M1: 90,956 km (0.074 R)
• M2: 366,365 km (0.116 R)
• M3: 1,021,155 km (0.095 R)
• M4: 1,366,876 km (0.052 R)
• M5: 2,040,365 km (0.081 R)
• M6: 2,698,446 km (0.074 R)
• M7: 3,489,969 km (0.085 R)
• M8: 4,368,108 km (0.042 R)
• M9: 5,733,937 km (0.108 R)
• M10: 6,209,060 km (0.052 R)
• M11: 6,437,047 km (0.098 R)
• M12: 8,701,659 km (0.11 R)
• M13: 10,512,542 km (0.081 R)
• M14: 15,687,431 km (0.06 R)
• M15: 19,539,427 km (0.105 R)
• M16: 22,431,004 km (0.105 R)
• M17: 23,332,929 km (0.105 R)
• M18: 33,024,777 km (0.034 R)
• M19: 37,351,896 km (0.068 R)
• M20: 37,602,921 km (0.096 R)
• M21: 44,952,215 km (0.096 R)
• M22: 48,737,341 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 18,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit