🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 12.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.71 AU - 0.89 AU

Year: 455 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,530,252 km

• M1: 157,078 km (0.073 R)
• M2: 583,581 km (0.107 R)
• M3: 1,053,767 km (0.07 R)
• M4: 1,488,349 km (0.103 R)
• M5: 2,044,554 km (0.062 R)
• M6: 2,479,286 km (0.096 R)
• M7: 3,189,127 km (0.102 R)
• M8: 3,892,088 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.6

Radius: 11.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.11 AU - 1.13 AU

Year: 754 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,530,252 km

• M1: 146,905 km (0.099 R)
• M2: 551,418 km (0.107 R)
• M3: 1,312,572 km (0.11 R)
• M4: 1,854,864 km (0.117 R)
• M5: 2,564,407 km (0.083 R)
• M6: 3,041,474 km (0.046 R)
• M7: 3,834,044 km (0.102 R)
• M8: 4,569,617 km (0.106 R)
• M9: 5,362,036 km (0.092 R)
• M10: 5,977,033 km (0.095 R)
• M11: 6,419,544 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 13.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.88 AU - 2.32 AU

Year: 1935 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,530,252 km

• M1: 172,038 km (0.113 R)
• M2: 639,232 km (0.104 R)
• M3: 1,236,726 km (0.119 R)
• M4: 2,431,564 km (0.101 R)
• M5: 3,001,382 km (0.029 R)
• M6: 3,838,681 km (0.105 R)
• M7: 4,999,860 km (0.117 R)
• M8: 6,592,629 km (0.08 R)
• M9: 9,114,549 km (0.119 R)
• M10: 10,355,913 km (0.096 R)
• M11: 10,868,136 km (0.106 R)
• M12: 11,629,140 km (0.083 R)
• M13: 12,547,970 km (0.096 R)
• M14: 13,644,373 km (0.111 R)
• M15: 14,440,234 km (0.087 R)
• M16: 16,664,455 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.6

Radius: 10

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2 AU - 2.94 AU

Year: 2468 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,530,252 km

• M1: 124,316 km (0.108 R)
• M2: 493,673 km (0.094 R)
• M3: 956,379 km (0.119 R)
• M4: 1,366,277 km (0.113 R)
• M5: 1,964,370 km (0.114 R)
• M6: 2,852,981 km (0.085 R)
• M7: 3,718,255 km (0.107 R)
• M8: 5,069,722 km (0.086 R)
• M9: 6,527,105 km (0.116 R)
• M10: 7,550,205 km (0.104 R)
• M11: 7,988,078 km (0.094 R)
• M12: 9,298,106 km (0.117 R)
• M13: 9,728,649 km (0.102 R)
• M14: 10,361,298 km (0.088 R)
• M15: 12,991,528 km (0.036 R)
• M16: 15,137,210 km (0.103 R)
• M17: 16,397,423 km (0.12 R)
• M18: 16,762,441 km (0.093 R)
• M19: 17,454,930 km (0.103 R)
• M20: 19,011,047 km (0.074 R)
• M21: 19,414,064 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 15,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit