🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 10.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.52 AU - 0.7 AU

Year: 335 Days

Day: 7.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 16,184,318 km

• M1: 135,236 km (0.062 R)
• M2: 505,641 km (0.107 R)
• M3: 958,623 km (0.086 R)
• M4: 1,470,697 km (0.1 R)
• M5: 2,178,444 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 12

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.92 AU - 1.06 AU

Year: 692 Days

Day: 12.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,184,318 km

• M1: 149,299 km (0.076 R)
• M2: 589,116 km (0.095 R)
• M3: 1,019,210 km (0.044 R)
• M4: 2,817,078 km (0.086 R)
• M5: 3,345,158 km (0.118 R)
• M6: 3,938,613 km (0.097 R)
• M7: 4,346,566 km (0.067 R)
• M8: 4,900,377 km (0.119 R)
• M9: 5,446,110 km (0.043 R)
• M10: 8,093,394 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.8

Radius: 13.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.25 AU - 1.37 AU

Year: 1054 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,184,318 km

• M1: 171,888 km (0.103 R)
• M2: 705,204 km (0.107 R)
• M3: 1,227,151 km (0.093 R)
• M4: 1,830,928 km (0.114 R)
• M5: 2,582,358 km (0.047 R)
• M6: 4,614,197 km (0.062 R)
• M7: 5,781,958 km (0.081 R)
• M8: 6,855,921 km (0.069 R)
• M9: 7,527,166 km (0.115 R)
• M10: 9,747,797 km (0.097 R)
• M11: 10,319,261 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.1

Radius: 8.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.5 AU - 1.76 AU

Year: 1463 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,184,318 km

• M1: 103,223 km (0.101 R)
• M2: 429,047 km (0.119 R)
• M3: 697,575 km (0.087 R)
• M4: 1,057,807 km (0.066 R)
• M5: 1,457,233 km (0.11 R)
• M6: 3,064,213 km (0.098 R)
• M7: 3,434,618 km (0.1 R)
• M8: 4,600,284 km (0.085 R)
• M9: 5,283,198 km (0.102 R)
• M10: 6,615,517 km (0.04 R)
• M11: 6,945,081 km (0.111 R)
• M12: 7,434,715 km (0.085 R)
• M13: 9,042,892 km (0.107 R)
• M14: 10,709,412 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.4

Radius: 8.2

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.26 AU - 5.14 AU

Year: 7162 Days

Day: 14.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,184,318 km

• M1: 104,719 km (0.097 R)
• M2: 422,016 km (0.108 R)
• M3: 803,341 km (0.104 R)
• M4: 5,271,081 km (0.111 R)
• M5: 6,332,627 km (0.081 R)
• M6: 7,501,436 km (0.049 R)
• M7: 7,881,564 km (0.079 R)
• M8: 9,498,567 km (0.112 R)
• M9: 10,224,566 km (0.07 R)
• M10: 11,363,305 km (0.049 R)
• M11: 12,062,076 km (0.046 R)
• M12: 13,934,144 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 20,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit