🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 9.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.94 AU - 1.48 AU

Year: 888 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,639,539 km

• M1: 119,379 km (0.069 R)
• M2: 482,304 km (0.099 R)
• M3: 893,698 km (0.11 R)
• M4: 1,304,942 km (0.086 R)
• M5: 1,726,509 km (0.115 R)
• M6: 2,066,545 km (0.103 R)
• M7: 2,896,514 km (0.082 R)
• M8: 3,312,396 km (0.091 R)
• M9: 4,200,409 km (0.118 R)
• M10: 4,563,184 km (0.074 R)
• M11: 5,091,713 km (0.076 R)
• M12: 5,524,051 km (0.111 R)
• M13: 6,377,058 km (0.106 R)
• M14: 6,812,986 km (0.114 R)
• M15: 7,409,283 km (0.107 R)
• M16: 7,793,301 km (0.105 R)
• M17: 8,419,967 km (0.049 R)
• M18: 9,243,353 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.7

Radius: 9.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.49 AU - 2.03 AU

Year: 1557 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,639,539 km

• M1: 120,725 km (0.043 R)
• M2: 627,862 km (0.106 R)
• M3: 1,503,459 km (0.077 R)
• M4: 2,229,607 km (0.087 R)
• M5: 2,650,276 km (0.06 R)
• M6: 3,161,153 km (0.055 R)
• M7: 3,514,652 km (0.114 R)
• M8: 6,163,283 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 12.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.06 AU - 4.52 AU

Year: 4920 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,639,539 km

• M1: 157,975 km (0.083 R)
• M2: 887,863 km (0.105 R)
• M3: 1,542,204 km (0.066 R)
• M4: 1,973,495 km (0.069 R)
• M5: 2,602,105 km (0.118 R)
• M6: 3,341,119 km (0.068 R)
• M7: 3,804,573 km (0.088 R)
• M8: 5,047,133 km (0.116 R)
• M9: 6,167,621 km (0.062 R)
• M10: 6,803,262 km (0.099 R)
• M11: 8,432,084 km (0.06 R)
• M12: 11,020,426 km (0.114 R)
• M13: 16,010,712 km (0.047 R)
• M14: 20,550,110 km (0.062 R)
• M15: 21,824,534 km (0.077 R)
• M16: 22,554,871 km (0.06 R)
• M17: 29,172,034 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 13.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.05 AU - 4.69 AU

Year: 5077 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,639,539 km

• M1: 171,589 km (0.119 R)
• M2: 883,375 km (0.065 R)
• M3: 1,347,428 km (0.09 R)
• M4: 1,965,716 km (0.093 R)
• M5: 2,686,927 km (0.112 R)
• M6: 3,174,766 km (0.045 R)
• M7: 5,979,726 km (0.119 R)
• M8: 6,510,948 km (0.058 R)
• M9: 9,657,141 km (0.076 R)
• M10: 10,265,855 km (0.048 R)
• M11: 11,470,716 km (0.109 R)
• M12: 12,768,029 km (0.103 R)
• M13: 13,904,972 km (0.104 R)
• M14: 16,436,916 km (0.101 R)
• M15: 17,013,018 km (0.099 R)
• M16: 19,773,847 km (0.118 R)
• M17: 20,957,614 km (0.101 R)
• M18: 25,704,505 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.2

Radius: 3.1

Gravity: 35.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.06 AU - 9.12 AU

Year: 13944 Days

Day: 23.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,639,539 km

• M1: 38,596 km (0.09 R)
• M2: 140,622 km (0.079 R)
• M3: 325,076 km (0.077 R)
• M4: 424,409 km (0.118 R)
• M5: 544,536 km (0.107 R)
• M6: 737,518 km (0.093 R)
• M7: 1,115,701 km (0.109 R)
• M8: 1,373,757 km (0.027 R)
• M9: 1,552,377 km (0.083 R)
• M10: 1,715,588 km (0.092 R)
• M11: 1,841,251 km (0.091 R)
• M12: 2,330,585 km (0.08 R)
• M13: 2,666,881 km (0.086 R)
• M14: 4,941,218 km (0.055 R)
• M15: 8,886,114 km (0.118 R)
• M16: 9,601,939 km (0.049 R)
• M17: 10,303,853 km (0.087 R)
• M18: 10,825,650 km (0.076 R)
• M19: 13,150,251 km (0.082 R)
• M20: 13,639,586 km (0.065 R)
• M21: 15,047,751 km (0.076 R)
• M22: 17,556,058 km (0.108 R)
• M23: 18,149,064 km (0.119 R)
• M24: 26,337,902 km (0.12 R)
• M25: 27,212,301 km (0.064 R)
• M26: 28,610,742 km (0.074 R)
• M27: 29,951,438 km (0.087 R)
• M28: 32,314,786 km (0.104 R)
• M29: 34,109,661 km (0.104 R)
• M30: 35,031,483 km (0.115 R)
• M31: 41,301,579 km (0.116 R)
• M32: 41,561,729 km (0.092 R)
• M33: 41,953,825 km (0.032 R)
• M34: 45,180,203 km (0.094 R)
• M35: 46,571,912 km (0.059 R)
• M36: 47,278,313 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.2

Radius: 7.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.66 AU - 11.86 AU

Year: 23537 Days

Day: 19.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,639,539 km

• M1: 116,686 km (0.118 R)
• M2: 732,581 km (0.094 R)
• M3: 1,060,649 km (0.115 R)
• M4: 1,328,130 km (0.098 R)
• M5: 2,843,257 km (0.108 R)
• M6: 4,090,455 km (0.093 R)
• M7: 5,911,360 km (0.119 R)
• M8: 11,005,317 km (0.106 R)
• M9: 13,798,758 km (0.039 R)
• M10: 14,760,523 km (0.106 R)
• M11: 21,573,359 km (0.1 R)
• M12: 28,662,354 km (0.063 R)
• M13: 30,436,435 km (0.086 R)
• M14: 43,044,095 km (0.105 R)
• M15: 46,770,727 km (0.104 R)
• M16: 47,483,711 km (0.098 R)
• M17: 48,494,095 km (0.08 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 15,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit