🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 13

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.96 AU - 1.16 AU

Year: 740 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,482,103 km

• M1: 161,715 km (0.11 R)
• M2: 627,114 km (0.098 R)
• M3: 1,113,607 km (0.118 R)
• M4: 1,559,259 km (0.113 R)
• M5: 2,224,670 km (0.091 R)
• M6: 2,768,907 km (0.102 R)
• M7: 3,307,310 km (0.078 R)
• M8: 4,190,984 km (0.034 R)
• M9: 5,913,753 km (0.096 R)
• M10: 6,638,854 km (0.112 R)
• M11: 7,562,771 km (0.089 R)
• M12: 8,829,715 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.1

Radius: 14.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.32 AU - 1.6 AU

Year: 1197 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,482,103 km

• M1: 176,525 km (0.108 R)
• M2: 689,048 km (0.091 R)
• M3: 1,340,846 km (0.116 R)
• M4: 2,037,822 km (0.092 R)
• M5: 2,608,089 km (0.104 R)
• M6: 3,206,481 km (0.057 R)
• M7: 3,985,138 km (0.098 R)
• M8: 4,766,936 km (0.09 R)
• M9: 6,200,533 km (0.119 R)
• M10: 7,095,277 km (0.109 R)
• M11: 7,714,912 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 12.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.16 AU - 2.34 AU

Year: 2289 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,482,103 km

• M1: 159,172 km (0.116 R)
• M2: 933,042 km (0.037 R)
• M3: 1,822,700 km (0.025 R)
• M4: 3,120,163 km (0.102 R)
• M5: 3,632,685 km (0.042 R)
• M6: 4,938,675 km (0.066 R)
• M7: 6,563,906 km (0.111 R)
• M8: 7,177,855 km (0.066 R)
• M9: 7,799,435 km (0.1 R)
• M10: 8,456,618 km (0.025 R)
• M11: 8,915,136 km (0.106 R)
• M12: 9,321,294 km (0.097 R)
• M13: 9,881,987 km (0.036 R)
• M14: 11,740,890 km (0.099 R)
• M15: 12,731,826 km (0.096 R)
• M16: 14,048,138 km (0.098 R)
• M17: 14,833,227 km (0.115 R)
• M18: 15,356,670 km (0.054 R)
• M19: 16,491,071 km (0.093 R)
• M20: 17,260,602 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.8

Radius: 7.4

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.32 AU - 8.9 AU

Year: 14239 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,482,103 km

• M1: 92,152 km (0.105 R)
• M2: 347,815 km (0.065 R)
• M3: 615,146 km (0.098 R)
• M4: 989,141 km (0.095 R)
• M5: 1,875,359 km (0.119 R)
• M6: 2,764,120 km (0.087 R)
• M7: 3,967,784 km (0.114 R)
• M8: 4,978,617 km (0.096 R)
• M9: 5,338,699 km (0.055 R)
• M10: 5,715,985 km (0.055 R)
• M11: 6,030,589 km (0.117 R)
• M12: 7,360,066 km (0.11 R)
• M13: 7,732,714 km (0.097 R)
• M14: 9,190,096 km (0.068 R)
• M15: 10,941,139 km (0.11 R)
• M16: 11,675,067 km (0.106 R)
• M17: 13,240,608 km (0.103 R)
• M18: 13,722,463 km (0.116 R)
• M19: 15,238,338 km (0.095 R)
• M20: 16,782,787 km (0.094 R)
• M21: 17,347,070 km (0.053 R)
• M22: 21,375,292 km (0.079 R)
• M23: 24,828,310 km (0.056 R)
• M24: 36,573,239 km (0.111 R)
• M25: 56,602,748 km (0.101 R)
• M26: 63,518,957 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 13,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit