🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.58 AU - 0.6 AU

Year: 297 Days

Day: 22 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.1

Radius: 9.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.56 AU - 0.84 AU

Year: 384 Days

Day: 9.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,255,018 km

• M1: 119,379 km (0.056 R)
• M2: 616,493 km (0.04 R)
• M3: 982,708 km (0.094 R)
• M4: 1,356,254 km (0.101 R)
• M5: 1,920,388 km (0.091 R)
• M6: 2,234,992 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.89 AU - 1.49 AU

Year: 852 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,255,018 km

• M1: 174,132 km (0.072 R)
• M2: 678,875 km (0.089 R)
• M3: 1,198,578 km (0.114 R)
• M4: 1,800,859 km (0.088 R)
• M5: 2,263,266 km (0.099 R)
• M6: 2,764,269 km (0.116 R)
• M7: 3,797,093 km (0.098 R)
• M8: 4,658,926 km (0.037 R)
• M9: 5,767,447 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.2

Radius: 10.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.74 AU - 4.38 AU

Year: 4406 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,255,018 km

• M1: 137,032 km (0.119 R)
• M2: 1,055,413 km (0.108 R)
• M3: 1,516,174 km (0.083 R)
• M4: 2,354,222 km (0.11 R)
• M5: 4,058,141 km (0.101 R)
• M6: 5,051,172 km (0.035 R)
• M7: 5,770,439 km (0.104 R)
• M8: 7,055,335 km (0.058 R)
• M9: 8,164,005 km (0.076 R)
• M10: 10,264,658 km (0.11 R)
• M11: 16,221,645 km (0.111 R)
• M12: 18,143,379 km (0.118 R)
• M13: 19,569,496 km (0.049 R)
• M14: 22,087,228 km (0.088 R)
• M15: 22,433,846 km (0.053 R)
• M16: 24,664,799 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.2

Radius: 10.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.34 AU - 4.54 AU

Year: 5130 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,255,018 km

• M1: 132,245 km (0.087 R)
• M2: 472,430 km (0.107 R)
• M3: 981,811 km (0.061 R)
• M4: 2,021,965 km (0.053 R)
• M5: 3,255,998 km (0.112 R)
• M6: 3,601,569 km (0.1 R)
• M7: 4,035,851 km (0.102 R)
• M8: 7,716,109 km (0.089 R)
• M9: 9,361,984 km (0.08 R)
• M10: 10,512,990 km (0.082 R)
• M11: 11,623,007 km (0.059 R)
• M12: 14,024,651 km (0.079 R)
• M13: 16,292,106 km (0.058 R)
• M14: 17,080,337 km (0.083 R)
• M15: 19,786,712 km (0.112 R)
• M16: 21,341,183 km (0.115 R)
• M17: 22,697,587 km (0.113 R)
• M18: 24,182,645 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 11,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit