🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 9.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 12 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,329,835 km

• M1: 118,182 km (0.081 R)
• M2: 431,291 km (0.114 R)
• M3: 748,887 km (0.104 R)
• M4: 1,145,471 km (0.107 R)
• M5: 1,501,364 km (0.06 R)
• M6: 2,010,745 km (0.055 R)
• M7: 2,475,994 km (0.079 R)
• M8: 2,982,982 km (0.08 R)
• M9: 3,645,700 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.4

Radius: 14.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.73 AU - 1.13 AU

Year: 619 Days

Day: 5.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,329,835 km

• M1: 184,005 km (0.103 R)
• M2: 712,535 km (0.061 R)
• M3: 1,225,805 km (0.103 R)
• M4: 1,908,570 km (0.117 R)
• M5: 2,521,023 km (0.049 R)
• M6: 3,229,369 km (0.099 R)
• M7: 3,731,270 km (0.076 R)
• M8: 4,411,492 km (0.098 R)
• M9: 5,644,926 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 10.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.91 AU - 1.47 AU

Year: 896 Days

Day: 8.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,329,835 km

• M1: 135,536 km (0.113 R)
• M2: 498,011 km (0.12 R)
• M3: 1,091,167 km (0.074 R)
• M4: 1,500,766 km (0.084 R)
• M5: 1,942,977 km (0.092 R)
• M6: 2,341,057 km (0.087 R)
• M7: 2,782,221 km (0.07 R)
• M8: 3,179,852 km (0.074 R)
• M9: 3,750,867 km (0.089 R)
• M10: 4,512,769 km (0.1 R)
• M11: 5,304,890 km (0.053 R)
• M12: 6,167,920 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 13.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.59 AU - 2.39 AU

Year: 1938 Days

Day: 9.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,329,835 km

• M1: 170,841 km (0.103 R)
• M2: 607,667 km (0.075 R)
• M3: 1,593,217 km (0.069 R)
• M4: 2,065,199 km (0.08 R)
• M5: 2,631,576 km (0.101 R)
• M6: 3,155,468 km (0.088 R)
• M7: 3,765,079 km (0.096 R)
• M8: 4,562,585 km (0.117 R)
• M9: 5,101,287 km (0.1 R)
• M10: 5,661,083 km (0.119 R)
• M11: 6,447,519 km (0.071 R)
• M12: 6,879,707 km (0.095 R)
• M13: 9,249,786 km (0.101 R)
• M14: 10,117,005 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348

Radius: 13.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.91 AU - 4.11 AU

Year: 4539 Days

Day: 8.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,329,835 km

• M1: 171,738 km (0.103 R)
• M2: 899,382 km (0.051 R)
• M3: 1,750,893 km (0.081 R)
• M4: 2,650,874 km (0.077 R)
• M5: 3,162,948 km (0.115 R)
• M6: 3,643,157 km (0.105 R)
• M7: 6,215,193 km (0.062 R)
• M8: 6,734,597 km (0.082 R)
• M9: 8,060,483 km (0.044 R)
• M10: 8,644,214 km (0.098 R)
• M11: 10,168,766 km (0.046 R)
• M12: 13,697,630 km (0.104 R)
• M13: 14,430,809 km (0.105 R)
• M14: 14,934,056 km (0.104 R)
• M15: 16,028,963 km (0.092 R)
• M16: 16,623,615 km (0.059 R)
• M17: 17,458,072 km (0.115 R)
• M18: 18,378,846 km (0.062 R)
• M19: 21,400,873 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.3

Radius: 13.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.33 AU - 3.93 AU

Year: 4774 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,329,835 km

• M1: 172,935 km (0.058 R)
• M2: 624,122 km (0.025 R)
• M3: 1,332,319 km (0.073 R)
• M4: 1,804,001 km (0.078 R)
• M5: 2,262,219 km (0.053 R)
• M6: 2,827,998 km (0.116 R)
• M7: 5,319,102 km (0.11 R)
• M8: 6,746,864 km (0.115 R)
• M9: 7,266,417 km (0.07 R)
• M10: 7,901,311 km (0.1 R)
• M11: 8,386,008 km (0.108 R)
• M12: 8,987,541 km (0.055 R)
• M13: 10,672,761 km (0.053 R)
• M14: 11,341,912 km (0.082 R)
• M15: 12,039,038 km (0.089 R)
• M16: 15,535,739 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 13.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.03 AU - 5.95 AU

Year: 7694 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,329,835 km

• M1: 173,085 km (0.051 R)
• M2: 645,365 km (0.085 R)
• M3: 1,193,193 km (0.077 R)
• M4: 1,755,082 km (0.04 R)
• M5: 2,248,007 km (0.12 R)
• M6: 3,250,313 km (0.118 R)
• M7: 4,105,863 km (0.109 R)
• M8: 4,842,184 km (0.08 R)
• M9: 5,288,434 km (0.056 R)
• M10: 7,747,973 km (0.102 R)
• M11: 8,787,678 km (0.026 R)
• M12: 10,299,963 km (0.099 R)
• M13: 10,740,978 km (0.099 R)
• M14: 11,452,315 km (0.087 R)
• M15: 12,194,919 km (0.088 R)
• M16: 12,800,641 km (0.051 R)
• M17: 14,012,982 km (0.074 R)
• M18: 15,682,494 km (0.059 R)
• M19: 16,333,245 km (0.106 R)
• M20: 16,866,861 km (0.114 R)
• M21: 17,619,488 km (0.092 R)
• M22: 18,466,062 km (0.034 R)
• M23: 19,265,663 km (0.046 R)
• M24: 23,027,899 km (0.094 R)
• M25: 27,068,688 km (0.091 R)
• M26: 33,981,456 km (0.041 R)
• M27: 37,093,839 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.3

Radius: 3.2

Gravity: 95.63 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.44 AU - 7.94 AU

Year: 13308 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,329,835 km

• M1: 39,793 km (0.083 R)
• M2: 147,055 km (0.103 R)
• M3: 446,550 km (0.09 R)
• M4: 546,631 km (0.116 R)
• M5: 931,097 km (0.115 R)
• M6: 1,442,572 km (0.11 R)
• M7: 2,080,458 km (0.044 R)
• M8: 2,386,086 km (0.12 R)
• M9: 2,605,995 km (0.102 R)
• M10: 2,887,389 km (0.061 R)
• M11: 3,060,623 km (0.114 R)
• M12: 3,346,953 km (0.109 R)
• M13: 5,639,541 km (0.083 R)
• M14: 5,754,581 km (0.119 R)
• M15: 6,646,783 km (0.075 R)
• M16: 7,442,344 km (0.082 R)
• M17: 8,700,612 km (0.088 R)
• M18: 9,273,123 km (0.119 R)
• M19: 9,705,012 km (0.118 R)
• M20: 9,925,968 km (0.114 R)
• M21: 10,377,903 km (0.034 R)
• M22: 14,426,321 km (0.094 R)
• M23: 16,678,367 km (0.106 R)
• M24: 18,895,857 km (0.103 R)
• M25: 21,302,138 km (0.026 R)
• M26: 23,904,992 km (0.092 R)
• M27: 30,549,082 km (0.104 R)
• M28: 32,845,409 km (0.067 R)
• M29: 40,136,062 km (0.113 R)
• M30: 41,134,777 km (0.07 R)
• M31: 41,712,973 km (0.029 R)
• M32: 47,161,926 km (0.11 R)
• M33: 47,636,300 km (0.045 R)
• M34: 51,379,389 km (0.099 R)
• M35: 59,997,572 km (0.108 R)
• M36: 63,775,367 km (0.083 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: 514 - 13,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit