🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 12.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.67 AU - 0.69 AU

Year: 380 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,254,597 km

• M1: 151,842 km (0.072 R)
• M2: 546,481 km (0.05 R)
• M3: 931,546 km (0.105 R)
• M4: 1,481,468 km (0.075 R)
• M5: 1,922,931 km (0.064 R)
• M6: 2,397,007 km (0.075 R)
• M7: 3,032,050 km (0.087 R)
• M8: 3,733,364 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.8

Radius: 12.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.45 AU - 1.53 AU

Year: 1234 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,254,597 km

• M1: 160,369 km (0.111 R)
• M2: 565,480 km (0.089 R)
• M3: 1,029,682 km (0.069 R)
• M4: 1,555,519 km (0.112 R)
• M5: 1,996,832 km (0.09 R)
• M6: 2,534,188 km (0.088 R)
• M7: 4,422,711 km (0.039 R)
• M8: 7,569,503 km (0.071 R)
• M9: 8,018,446 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 9.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.29 AU - 2.01 AU

Year: 1438 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,254,597 km

• M1: 114,442 km (0.12 R)
• M2: 409,898 km (0.102 R)
• M3: 766,539 km (0.069 R)
• M4: 1,124,078 km (0.09 R)
• M5: 1,852,171 km (0.096 R)
• M6: 2,724,776 km (0.068 R)
• M7: 3,150,382 km (0.042 R)
• M8: 4,073,849 km (0.078 R)
• M9: 6,240,625 km (0.106 R)
• M10: 8,118,826 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.5

Radius: 11.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.4 AU - 5.04 AU

Year: 5880 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,254,597 km

• M1: 163,810 km (0.113 R)
• M2: 1,103,883 km (0.039 R)
• M3: 1,610,720 km (0.107 R)
• M4: 1,974,542 km (0.091 R)
• M5: 2,701,438 km (0.11 R)
• M6: 3,451,672 km (0.085 R)
• M7: 4,981,759 km (0.042 R)
• M8: 6,806,703 km (0.116 R)
• M9: 12,845,670 km (0.074 R)
• M10: 13,340,540 km (0.044 R)
• M11: 14,512,789 km (0.118 R)
• M12: 17,169,048 km (0.104 R)
• M13: 18,159,686 km (0.069 R)
• M14: 18,840,954 km (0.108 R)
• M15: 19,894,722 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 19,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit