🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 14.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.57 AU - 0.81 AU

Year: 370 Days

Day: 12.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 15,311,124 km

• M1: 184,005 km (0.118 R)
• M2: 666,459 km (0.109 R)
• M3: 1,265,299 km (0.107 R)
• M4: 2,087,339 km (0.096 R)
• M5: 2,620,955 km (0.057 R)
• M6: 3,165,042 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 10.4

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.82 AU - 1.36 AU

Year: 735 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,311,124 km

• M1: 129,552 km (0.113 R)
• M2: 721,511 km (0.084 R)
• M3: 1,246,449 km (0.112 R)
• M4: 2,166,776 km (0.109 R)
• M5: 2,681,841 km (0.058 R)
• M6: 3,199,749 km (0.096 R)
• M7: 3,586,011 km (0.093 R)
• M8: 4,048,268 km (0.106 R)
• M9: 4,615,543 km (0.084 R)
• M10: 5,583,890 km (0.048 R)
• M11: 6,348,934 km (0.097 R)
• M12: 6,918,602 km (0.044 R)
• M13: 7,637,420 km (0.057 R)
• M14: 8,257,354 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 12

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.44 AU - 1.82 AU

Year: 1344 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,311,124 km

• M1: 149,299 km (0.08 R)
• M2: 572,810 km (0.086 R)
• M3: 1,054,815 km (0.079 R)
• M4: 1,526,646 km (0.061 R)
• M5: 2,010,595 km (0.085 R)
• M6: 2,436,949 km (0.104 R)
• M7: 3,020,531 km (0.098 R)
• M8: 3,891,938 km (0.114 R)
• M9: 4,288,373 km (0.076 R)
• M10: 6,693,757 km (0.06 R)
• M11: 7,762,783 km (0.111 R)
• M12: 8,171,036 km (0.082 R)
• M13: 8,679,968 km (0.107 R)
• M14: 9,636,945 km (0.085 R)
• M15: 10,998,136 km (0.108 R)
• M16: 11,409,530 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 13.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.05 AU - 2.13 AU

Year: 1951 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,311,124 km

• M1: 172,935 km (0.034 R)
• M2: 885,021 km (0.111 R)
• M3: 2,031,240 km (0.071 R)
• M4: 3,281,878 km (0.088 R)
• M5: 3,904,355 km (0.08 R)
• M6: 4,544,933 km (0.119 R)
• M7: 5,059,998 km (0.042 R)
• M8: 6,257,679 km (0.08 R)
• M9: 7,057,130 km (0.12 R)
• M10: 7,664,946 km (0.067 R)
• M11: 8,611,601 km (0.054 R)
• M12: 9,081,488 km (0.095 R)
• M13: 9,936,590 km (0.054 R)
• M14: 10,454,049 km (0.062 R)
• M15: 10,953,107 km (0.051 R)
• M16: 11,999,395 km (0.099 R)
• M17: 12,988,835 km (0.114 R)
• M18: 13,776,618 km (0.049 R)
• M19: 14,247,103 km (0.097 R)
• M20: 14,995,391 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 17,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit