🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.3

Radius: 11.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.92 AU - 1 AU

Year: 617 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 33,590,521 km

• M1: 143,165 km (0.105 R)
• M2: 532,718 km (0.094 R)
• M3: 1,125,126 km (0.067 R)
• M4: 1,791,135 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.7

Radius: 13.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.33 AU - 3.88 AU

Year: 3581 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,590,521 km

• M1: 162,912 km (0.049 R)
• M2: 599,738 km (0.05 R)
• M3: 1,019,509 km (0.12 R)
• M4: 1,457,083 km (0.109 R)
• M5: 2,443,831 km (0.114 R)
• M6: 3,219,645 km (0.113 R)
• M7: 4,231,525 km (0.088 R)
• M8: 4,801,344 km (0.065 R)
• M9: 5,352,911 km (0.086 R)
• M10: 5,897,597 km (0.077 R)
• M11: 7,846,109 km (0.086 R)
• M12: 8,741,303 km (0.059 R)
• M13: 10,228,306 km (0.104 R)
• M14: 11,877,772 km (0.112 R)
• M15: 12,356,934 km (0.076 R)
• M16: 13,482,508 km (0.084 R)
• M17: 14,004,156 km (0.093 R)
• M18: 14,720,730 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.6

Radius: 11.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.32 AU - 7.12 AU

Year: 8974 Days

Day: 8.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,590,521 km

• M1: 143,913 km (0.12 R)
• M2: 647,609 km (0.059 R)
• M3: 1,053,917 km (0.088 R)
• M4: 1,486,554 km (0.113 R)
• M5: 2,223,772 km (0.107 R)
• M6: 2,645,489 km (0.111 R)
• M7: 3,575,838 km (0.112 R)
• M8: 4,597,591 km (0.107 R)
• M9: 5,091,264 km (0.026 R)
• M10: 7,088,845 km (0.097 R)
• M11: 7,620,516 km (0.117 R)
• M12: 9,157,334 km (0.071 R)
• M13: 9,864,783 km (0.106 R)
• M14: 10,891,473 km (0.082 R)
• M15: 15,305,209 km (0.114 R)
• M16: 15,824,463 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.2

Radius: 6.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.32 AU - 9.68 AU

Year: 16257 Days

Day: 23.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,590,521 km

• M1: 81,082 km (0.08 R)
• M2: 307,124 km (0.102 R)
• M3: 889,659 km (0.103 R)
• M4: 1,285,046 km (0.082 R)
• M5: 1,819,858 km (0.11 R)
• M6: 2,581,311 km (0.115 R)
• M7: 3,134,375 km (0.036 R)
• M8: 4,194,575 km (0.106 R)
• M9: 5,241,012 km (0.114 R)
• M10: 6,352,075 km (0.088 R)
• M11: 7,139,409 km (0.089 R)
• M12: 9,758,568 km (0.049 R)
• M13: 12,175,920 km (0.059 R)
• M14: 16,602,372 km (0.09 R)
• M15: 19,800,625 km (0.11 R)
• M16: 20,155,770 km (0.118 R)
• M17: 26,004,598 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 15,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit