🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.6

Radius: 11.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.15 AU - 1.25 AU

Year: 877 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,096,148 km

• M1: 144,212 km (0.079 R)
• M2: 631,453 km (0.093 R)
• M3: 1,005,597 km (0.12 R)
• M4: 1,497,325 km (0.103 R)
• M5: 1,908,869 km (0.054 R)
• M6: 2,565,903 km (0.107 R)
• M7: 2,966,227 km (0.104 R)
• M8: 3,408,438 km (0.057 R)
• M9: 3,808,014 km (0.096 R)
• M10: 6,079,807 km (0.095 R)
• M11: 6,883,596 km (0.052 R)
• M12: 7,594,785 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.1

Radius: 8.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.56 AU - 1.58 AU

Year: 1312 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,096,148 km

• M1: 111,899 km (0.071 R)
• M2: 452,234 km (0.067 R)
• M3: 805,734 km (0.116 R)
• M4: 2,705,328 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.5

Radius: 13.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.62 AU - 2.42 AU

Year: 1915 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,096,148 km

• M1: 172,935 km (0.081 R)
• M2: 681,717 km (0.111 R)
• M3: 1,174,642 km (0.113 R)
• M4: 1,763,759 km (0.101 R)
• M5: 2,310,988 km (0.071 R)
• M6: 2,958,747 km (0.09 R)
• M7: 3,582,271 km (0.064 R)
• M8: 4,212,526 km (0.061 R)
• M9: 4,707,247 km (0.071 R)
• M10: 5,995,135 km (0.053 R)
• M11: 7,089,593 km (0.077 R)
• M12: 7,817,386 km (0.11 R)
• M13: 8,751,027 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 9.3

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.89 AU - 3.15 AU

Year: 2668 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,096,148 km

• M1: 115,639 km (0.086 R)
• M2: 461,061 km (0.089 R)
• M3: 767,886 km (0.06 R)
• M4: 2,323,853 km (0.077 R)
• M5: 3,013,500 km (0.119 R)
• M6: 3,557,737 km (0.104 R)
• M7: 5,616,502 km (0.12 R)
• M8: 9,000,556 km (0.088 R)
• M9: 9,780,709 km (0.064 R)
• M10: 11,390,831 km (0.098 R)
• M11: 12,037,841 km (0.074 R)
• M12: 12,800,491 km (0.072 R)
• M13: 16,554,351 km (0.113 R)
• M14: 17,895,645 km (0.119 R)
• M15: 18,710,654 km (0.101 R)
• M16: 20,603,516 km (0.028 R)
• M17: 21,112,000 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 11.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.18 AU - 5.86 AU

Year: 8648 Days

Day: 5.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,096,148 km

• M1: 148,102 km (0.098 R)
• M2: 731,234 km (0.098 R)
• M3: 1,631,963 km (0.064 R)
• M4: 2,076,119 km (0.067 R)
• M5: 3,279,634 km (0.108 R)
• M6: 5,232,934 km (0.108 R)
• M7: 7,310,399 km (0.114 R)
• M8: 7,703,842 km (0.065 R)
• M9: 9,513,826 km (0.117 R)
• M10: 9,983,713 km (0.047 R)
• M11: 10,868,285 km (0.093 R)
• M12: 12,019,740 km (0.095 R)
• M13: 14,625,885 km (0.078 R)
• M14: 28,739,995 km (0.12 R)
• M15: 35,538,620 km (0.066 R)
• M16: 37,711,828 km (0.069 R)
• M17: 38,180,369 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.4

Radius: 3.7

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.21 AU - 7.55 AU

Year: 13369 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,096,148 km

• M1: 46,375 km (0.12 R)
• M2: 162,014 km (0.094 R)
• M3: 388,356 km (0.12 R)
• M4: 612,454 km (0.115 R)
• M5: 770,279 km (0.115 R)
• M6: 1,190,500 km (0.095 R)
• M7: 2,746,019 km (0.113 R)
• M8: 4,227,785 km (0.055 R)
• M9: 6,037,471 km (0.103 R)
• M10: 8,597,988 km (0.059 R)
• M11: 9,114,400 km (0.057 R)
• M12: 11,490,014 km (0.084 R)
• M13: 12,329,707 km (0.083 R)
• M14: 20,417,566 km (0.051 R)
• M15: 23,578,868 km (0.119 R)
• M16: 24,672,578 km (0.076 R)
• M17: 32,566,409 km (0.114 R)
• M18: 34,988,548 km (0.098 R)
• M19: 35,748,954 km (0.059 R)
• M20: 37,077,982 km (0.117 R)
• M21: 37,982,151 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 16,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit