🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 11.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.74 AU - 0.74 AU

Year: 439 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,700,091 km

• M1: 140,622 km (0.114 R)
• M2: 498,161 km (0.074 R)
• M3: 865,124 km (0.041 R)
• M4: 1,252,733 km (0.096 R)
• M5: 2,115,912 km (0.119 R)
• M6: 2,567,548 km (0.115 R)
• M7: 3,001,083 km (0.106 R)
• M8: 3,483,536 km (0.045 R)
• M9: 4,336,992 km (0.028 R)
• M10: 4,715,474 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 10.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.07 AU - 1.47 AU

Year: 988 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,700,091 km

• M1: 134,488 km (0.063 R)
• M2: 497,712 km (0.067 R)
• M3: 868,565 km (0.103 R)
• M4: 1,417,889 km (0.081 R)
• M5: 1,939,387 km (0.112 R)
• M6: 2,441,886 km (0.095 R)
• M7: 2,925,835 km (0.119 R)
• M8: 3,590,199 km (0.119 R)
• M9: 3,972,871 km (0.115 R)
• M10: 4,367,659 km (0.107 R)
• M11: 4,740,607 km (0.117 R)
• M12: 5,134,648 km (0.118 R)
• M13: 6,121,395 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.23 AU - 2.51 AU

Year: 2518 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,700,091 km

• M1: 99,483 km (0.099 R)
• M2: 358,885 km (0.086 R)
• M3: 716,275 km (0.113 R)
• M4: 978,669 km (0.096 R)
• M5: 1,415,944 km (0.079 R)
• M6: 2,062,655 km (0.113 R)
• M7: 2,495,143 km (0.091 R)
• M8: 3,214,260 km (0.117 R)
• M9: 3,523,778 km (0.097 R)
• M10: 4,143,263 km (0.069 R)
• M11: 5,357,997 km (0.094 R)
• M12: 5,869,772 km (0.114 R)
• M13: 6,360,453 km (0.026 R)
• M14: 6,878,061 km (0.04 R)
• M15: 7,571,896 km (0.113 R)
• M16: 7,874,383 km (0.088 R)
• M17: 8,666,055 km (0.071 R)
• M18: 9,199,970 km (0.106 R)
• M19: 9,720,122 km (0.118 R)
• M20: 11,837,081 km (0.119 R)
• M21: 12,121,766 km (0.04 R)
• M22: 13,792,026 km (0.113 R)
• M23: 14,612,421 km (0.096 R)
• M24: 15,854,382 km (0.037 R)
• M25: 16,450,829 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 8.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.69 AU - 5.13 AU

Year: 6392 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,700,091 km

• M1: 103,971 km (0.079 R)
• M2: 384,766 km (0.1 R)
• M3: 753,524 km (0.116 R)
• M4: 1,327,083 km (0.056 R)
• M5: 1,990,100 km (0.1 R)
• M6: 2,630,230 km (0.094 R)
• M7: 3,159,956 km (0.119 R)
• M8: 3,974,666 km (0.109 R)
• M9: 5,750,393 km (0.088 R)
• M10: 6,284,906 km (0.076 R)
• M11: 6,642,145 km (0.113 R)
• M12: 7,121,158 km (0.102 R)
• M13: 7,970,425 km (0.027 R)
• M14: 10,387,478 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.6

Radius: 6.5

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.43 AU - 8.05 AU

Year: 14864 Days

Day: 18.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,700,091 km

• M1: 80,932 km (0.03 R)
• M2: 544,686 km (0.105 R)
• M3: 752,926 km (0.098 R)
• M4: 1,087,427 km (0.112 R)
• M5: 1,729,950 km (0.118 R)
• M6: 1,943,276 km (0.091 R)
• M7: 3,029,955 km (0.101 R)
• M8: 5,419,632 km (0.067 R)
• M9: 6,366,736 km (0.1 R)
• M10: 12,341,675 km (0.065 R)
• M11: 18,141,285 km (0.084 R)
• M12: 25,005,434 km (0.117 R)
• M13: 35,223,866 km (0.119 R)
• M14: 41,607,506 km (0.107 R)
• M15: 43,090,470 km (0.06 R)
• M16: 46,634,294 km (0.1 R)
• M17: 53,079,269 km (0.074 R)
• M18: 56,065,243 km (0.105 R)
• M19: 57,508,413 km (0.107 R)
• M20: 62,947,343 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 11,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit