🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 10.2

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.8 AU

Year: 396 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,118,466 km

• M1: 127,158 km (0.097 R)
• M2: 485,295 km (0.109 R)
• M3: 862,282 km (0.075 R)
• M4: 1,194,838 km (0.117 R)
• M5: 1,798,316 km (0.074 R)
• M6: 2,268,353 km (0.067 R)
• M7: 2,661,645 km (0.068 R)
• M8: 3,264,375 km (0.076 R)
• M9: 3,634,480 km (0.079 R)
• M10: 4,269,224 km (0.055 R)
• M11: 4,770,826 km (0.103 R)
• M12: 5,187,755 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 13.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.78 AU - 1.14 AU

Year: 649 Days

Day: 6 Hours

Environment

Temp: -169 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,118,466 km

• M1: 168,298 km (0.082 R)
• M2: 597,643 km (0.104 R)
• M3: 1,139,637 km (0.057 R)
• M4: 1,750,744 km (0.084 R)
• M5: 2,185,774 km (0.114 R)
• M6: 2,694,108 km (0.103 R)
• M7: 3,293,996 km (0.072 R)
• M8: 3,825,666 km (0.118 R)
• M9: 4,261,894 km (0.083 R)
• M10: 5,131,955 km (0.046 R)
• M11: 5,701,474 km (0.107 R)
• M12: 6,717,094 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.3

Radius: 12

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.93 AU - 1.07 AU

Year: 690 Days

Day: 13.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 13,118,466 km

• M1: 149,299 km (0.059 R)
• M2: 1,072,318 km (0.081 R)
• M3: 3,308,806 km (0.094 R)
• M4: 4,186,048 km (0.062 R)
• M5: 5,143,624 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 14.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.3 AU - 1.96 AU

Year: 1436 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,118,466 km

• M1: 184,005 km (0.117 R)
• M2: 847,771 km (0.1 R)
• M3: 1,474,137 km (0.093 R)
• M4: 2,865,846 km (0.115 R)
• M5: 3,512,558 km (0.08 R)
• M6: 3,979,902 km (0.08 R)
• M7: 4,672,989 km (0.032 R)
• M8: 5,558,159 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.6

Radius: 12.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.35 AU - 2.03 AU

Year: 1516 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,118,466 km

• M1: 156,629 km (0.088 R)
• M2: 622,477 km (0.114 R)
• M3: 1,030,580 km (0.085 R)
• M4: 1,511,088 km (0.108 R)
• M5: 1,947,914 km (0.04 R)
• M6: 2,506,961 km (0.102 R)
• M7: 3,098,770 km (0.112 R)
• M8: 4,020,293 km (0.09 R)
• M9: 4,470,583 km (0.099 R)
• M10: 5,137,191 km (0.034 R)
• M11: 8,810,267 km (0.111 R)
• M12: 9,637,394 km (0.114 R)
• M13: 10,382,092 km (0.066 R)
• M14: 10,888,182 km (0.078 R)
• M15: 11,804,618 km (0.085 R)
• M16: 12,318,936 km (0.09 R)
• M17: 12,963,553 km (0.078 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: 421 - 15,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit