🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 8.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.71 AU - 0.93 AU

Year: 522 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,378,859 km

• M1: 102,026 km (0.091 R)
• M2: 403,316 km (0.089 R)
• M3: 915,838 km (0.095 R)
• M4: 1,394,252 km (0.088 R)
• M5: 1,780,963 km (0.118 R)
• M6: 2,494,844 km (0.028 R)
• M7: 3,109,691 km (0.088 R)
• M8: 3,375,826 km (0.051 R)
• M9: 4,115,288 km (0.104 R)
• M10: 4,423,908 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 10.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.04 AU - 1.36 AU

Year: 924 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,378,859 km

• M1: 135,685 km (0.068 R)
• M2: 485,894 km (0.035 R)
• M3: 851,062 km (0.091 R)
• M4: 1,257,520 km (0.118 R)
• M5: 1,962,425 km (0.082 R)
• M6: 3,562,823 km (0.118 R)
• M7: 4,164,655 km (0.092 R)
• M8: 4,919,376 km (0.098 R)
• M9: 5,274,971 km (0.031 R)
• M10: 5,724,363 km (0.104 R)
• M11: 6,383,940 km (0.078 R)
• M12: 6,851,283 km (0.102 R)
• M13: 7,571,896 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 8.5

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.17 AU - 1.85 AU

Year: 1304 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,378,859 km

• M1: 105,766 km (0.057 R)
• M2: 409,300 km (0.069 R)
• M3: 713,582 km (0.042 R)
• M4: 1,015,770 km (0.113 R)
• M5: 1,316,312 km (0.084 R)
• M6: 2,036,925 km (0.118 R)
• M7: 3,184,639 km (0.055 R)
• M8: 3,660,211 km (0.099 R)
• M9: 4,025,978 km (0.105 R)
• M10: 5,523,453 km (0.09 R)
• M11: 6,028,345 km (0.103 R)
• M12: 6,421,040 km (0.088 R)
• M13: 6,929,523 km (0.107 R)
• M14: 7,412,574 km (0.097 R)
• M15: 7,999,597 km (0.102 R)
• M16: 9,146,115 km (0.091 R)
• M17: 10,043,403 km (0.111 R)
• M18: 12,156,622 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.9

Radius: 6.7

Gravity: 18.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.51 AU - 6.31 AU

Year: 10099 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 32,378,859 km

• M1: 83,326 km (0.1 R)
• M2: 317,147 km (0.118 R)
• M3: 591,211 km (0.026 R)
• M4: 981,512 km (0.065 R)
• M5: 1,266,346 km (0.057 R)
• M6: 1,533,229 km (0.116 R)
• M7: 1,970,354 km (0.094 R)
• M8: 2,671,968 km (0.066 R)
• M9: 3,209,024 km (0.093 R)
• M10: 3,605,458 km (0.111 R)
• M11: 6,862,354 km (0.071 R)
• M12: 7,310,549 km (0.062 R)
• M13: 8,310,461 km (0.071 R)
• M14: 9,798,661 km (0.107 R)
• M15: 10,054,323 km (0.032 R)
• M16: 10,366,983 km (0.075 R)
• M17: 11,177,055 km (0.102 R)
• M18: 11,855,033 km (0.115 R)
• M19: 14,708,911 km (0.089 R)
• M20: 17,990,341 km (0.091 R)
• M21: 19,800,774 km (0.06 R)
• M22: 20,045,516 km (0.116 R)
• M23: 21,642,922 km (0.106 R)
• M24: 22,340,198 km (0.107 R)
• M25: 24,993,615 km (0.083 R)
• M26: 26,248,592 km (0.086 R)
• M27: 26,742,265 km (0.053 R)
• M28: 30,264,846 km (0.117 R)
• M29: 30,481,165 km (0.057 R)
• M30: 31,026,598 km (0.117 R)
• M31: 34,436,532 km (0.104 R)
• M32: 39,489,500 km (0.114 R)
• M33: 40,924,592 km (0.058 R)
• M34: 44,037,125 km (0.069 R)
• M35: 47,741,767 km (0.115 R)
• M36: 49,070,944 km (0.051 R)
• M37: 49,369,691 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.3

Radius: 5.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.47 AU - 8.11 AU

Year: 13836 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,378,859 km

• M1: 64,626 km (0.118 R)
• M2: 385,813 km (0.103 R)
• M3: 594,203 km (0.084 R)
• M4: 869,164 km (0.113 R)
• M5: 1,312,422 km (0.109 R)
• M6: 1,584,989 km (0.084 R)
• M7: 1,823,897 km (0.061 R)
• M8: 2,275,533 km (0.065 R)
• M9: 2,779,977 km (0.051 R)
• M10: 3,088,448 km (0.105 R)
• M11: 6,175,849 km (0.09 R)
• M12: 6,600,557 km (0.095 R)
• M13: 7,185,036 km (0.086 R)
• M14: 7,581,171 km (0.045 R)
• M15: 9,062,340 km (0.1 R)
• M16: 10,135,854 km (0.074 R)
• M17: 10,315,222 km (0.112 R)
• M18: 14,305,895 km (0.113 R)
• M19: 19,700,244 km (0.053 R)
• M20: 22,691,903 km (0.079 R)
• M21: 23,076,369 km (0.086 R)
• M22: 25,145,308 km (0.085 R)
• M23: 28,743,585 km (0.12 R)
• M24: 31,992,701 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 10,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit