🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 12.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 9.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,401,878 km

• M1: 161,117 km (0.103 R)
• M2: 582,684 km (0.073 R)
• M3: 1,075,908 km (0.111 R)
• M4: 1,588,430 km (0.101 R)
• M5: 2,976,998 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 12

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.59 AU - 0.83 AU

Year: 399 Days

Day: 11.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,401,878 km

• M1: 150,795 km (0.091 R)
• M2: 528,978 km (0.097 R)
• M3: 949,647 km (0.102 R)
• M4: 1,500,317 km (0.117 R)
• M5: 1,914,105 km (0.062 R)
• M6: 2,708,170 km (0.07 R)
• M7: 3,522,431 km (0.109 R)
• M8: 3,905,252 km (0.104 R)
• M9: 4,303,482 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 9.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.93 AU - 1.23 AU

Year: 748 Days

Day: 5.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,401,878 km

• M1: 119,379 km (0.071 R)
• M2: 563,236 km (0.111 R)
• M3: 855,849 km (0.087 R)
• M4: 1,399,787 km (0.108 R)
• M5: 1,754,633 km (0.061 R)
• M6: 3,090,393 km (0.096 R)
• M7: 4,057,992 km (0.052 R)
• M8: 4,618,984 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 14.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.99 AU - 1.41 AU

Year: 877 Days

Day: 9.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,401,878 km

• M1: 184,454 km (0.082 R)
• M2: 861,085 km (0.045 R)
• M3: 1,494,782 km (0.063 R)
• M4: 2,252,944 km (0.03 R)
• M5: 3,900,615 km (0.086 R)
• M6: 4,997,018 km (0.057 R)
• M7: 5,552,624 km (0.06 R)
• M8: 6,371,373 km (0.114 R)
• M9: 7,381,907 km (0.076 R)
• M10: 8,105,213 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 12.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.32 AU - 4.74 AU

Year: 6429 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,401,878 km

• M1: 181,313 km (0.065 R)
• M2: 801,994 km (0.027 R)
• M3: 1,215,483 km (0.119 R)
• M4: 1,893,460 km (0.086 R)
• M5: 4,216,715 km (0.093 R)
• M6: 4,654,439 km (0.074 R)
• M7: 5,857,505 km (0.106 R)
• M8: 6,292,386 km (0.094 R)
• M9: 9,047,978 km (0.039 R)
• M10: 10,355,464 km (0.088 R)
• M11: 11,447,229 km (0.107 R)
• M12: 13,020,550 km (0.112 R)
• M13: 15,133,919 km (0.104 R)
• M14: 18,894,361 km (0.112 R)
• M15: 20,646,152 km (0.095 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: 221 - 19,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit