🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 8.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.47 AU - 0.59 AU

Year: 257 Days

Day: 11.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,188,776 km

• M1: 105,317 km (0.089 R)
• M2: 368,609 km (0.103 R)
• M3: 687,851 km (0.116 R)
• M4: 986,149 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.7

Radius: 10.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.98 AU - 1.22 AU

Year: 769 Days

Day: 5.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,188,776 km

• M1: 133,292 km (0.112 R)
• M2: 492,925 km (0.082 R)
• M3: 1,033,721 km (0.103 R)
• M4: 1,402,181 km (0.081 R)
• M5: 2,246,362 km (0.114 R)
• M6: 2,966,975 km (0.088 R)
• M7: 3,848,555 km (0.086 R)
• M8: 4,379,926 km (0.116 R)
• M9: 5,402,129 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.9

Radius: 10.5

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2 AU - 3.22 AU

Year: 2812 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,188,776 km

• M1: 130,599 km (0.052 R)
• M2: 556,953 km (0.053 R)
• M3: 1,086,081 km (0.056 R)
• M4: 1,420,133 km (0.06 R)
• M5: 3,599,175 km (0.12 R)
• M6: 4,039,890 km (0.092 R)
• M7: 4,471,480 km (0.108 R)
• M8: 5,351,415 km (0.072 R)
• M9: 6,343,099 km (0.025 R)
• M10: 7,295,739 km (0.091 R)
• M11: 8,582,729 km (0.119 R)
• M12: 9,079,693 km (0.045 R)
• M13: 9,595,955 km (0.101 R)
• M14: 10,092,620 km (0.096 R)
• M15: 11,262,775 km (0.1 R)
• M16: 11,945,839 km (0.103 R)
• M17: 12,386,704 km (0.026 R)
• M18: 16,421,807 km (0.12 R)
• M19: 19,090,932 km (0.104 R)
• M20: 19,511,901 km (0.04 R)
• M21: 22,036,963 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531

Radius: 7

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.1 AU - 8.42 AU

Year: 14415 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,188,776 km

• M1: 87,964 km (0.076 R)
• M2: 403,465 km (0.09 R)
• M3: 717,621 km (0.07 R)
• M4: 1,061,696 km (0.076 R)
• M5: 1,498,223 km (0.094 R)
• M6: 1,942,678 km (0.094 R)
• M7: 2,311,586 km (0.111 R)
• M8: 3,624,008 km (0.089 R)
• M9: 3,981,996 km (0.096 R)
• M10: 5,233,532 km (0.114 R)
• M11: 5,476,928 km (0.116 R)
• M12: 5,764,305 km (0.092 R)
• M13: 6,809,396 km (0.113 R)
• M14: 7,661,057 km (0.082 R)
• M15: 9,420,926 km (0.11 R)
• M16: 11,089,840 km (0.077 R)
• M17: 12,144,505 km (0.115 R)
• M18: 15,071,237 km (0.101 R)
• M19: 20,593,643 km (0.097 R)
• M20: 22,363,086 km (0.058 R)
• M21: 25,899,431 km (0.118 R)
• M22: 27,537,826 km (0.025 R)
• M23: 28,382,456 km (0.103 R)
• M24: 29,462,253 km (0.074 R)
• M25: 30,345,629 km (0.091 R)
• M26: 32,049,549 km (0.117 R)
• M27: 36,522,974 km (0.096 R)
• M28: 49,104,454 km (0.075 R)
• M29: 51,289,630 km (0.068 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit