🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.66 AU

Year: 320 Days

Day: 42.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.53 AU - 0.79 AU

Year: 352 Days

Day: 17.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.6

Radius: 13

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.57 AU - 0.83 AU

Year: 384 Days

Day: 14.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 5,926,727 km

• M1: 162,014 km (0.092 R)
• M2: 254,466 km (0.108 R)
• M3: 355,893 km (0.115 R)
• M4: 438,322 km (0.103 R)
• M5: 527,482 km (0.077 R)
• M6: 658,380 km (0.026 R)
• M7: 752,926 km (0.08 R)
• M8: 859,141 km (0.095 R)
• M9: 940,821 km (0.091 R)
• M10: 1,060,200 km (0.115 R)
• M11: 1,181,524 km (0.11 R)
• M12: 1,296,565 km (0.056 R)
• M13: 1,388,268 km (0.115 R)
• M14: 1,522,308 km (0.111 R)
• M15: 1,648,419 km (0.11 R)
• M16: 1,761,365 km (0.029 R)
• M17: 1,855,313 km (0.071 R)
• M18: 1,955,543 km (0.026 R)
• M19: 2,111,574 km (0.117 R)
• M20: 2,262,668 km (0.047 R)
• M21: 2,346,592 km (0.068 R)
• M22: 2,460,287 km (0.102 R)
• M23: 2,570,989 km (0.115 R)
• M24: 2,663,740 km (0.108 R)
• M25: 2,822,613 km (0.11 R)
• M26: 3,015,444 km (0.101 R)
• M27: 3,113,431 km (0.105 R)
• M28: 3,254,801 km (0.069 R)
• M29: 3,382,109 km (0.078 R)
• M30: 3,489,520 km (0.113 R)
• M31: 3,641,960 km (0.088 R)
• M32: 3,846,909 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 12.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.63 AU - 0.79 AU

Year: 392 Days

Day: 7.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 5,926,727 km

• M1: 165,904 km (0.118 R)
• M2: 270,623 km (0.072 R)
• M3: 484,248 km (0.106 R)
• M4: 574,157 km (0.09 R)
• M5: 698,472 km (0.116 R)
• M6: 782,995 km (0.118 R)
• M7: 910,602 km (0.063 R)
• M8: 1,000,062 km (0.088 R)
• M9: 1,088,025 km (0.093 R)
• M10: 1,262,456 km (0.098 R)
• M11: 1,389,465 km (0.079 R)
• M12: 1,473,090 km (0.067 R)
• M13: 1,574,667 km (0.096 R)
• M14: 1,706,613 km (0.087 R)
• M15: 1,808,189 km (0.092 R)
• M16: 1,929,364 km (0.066 R)
• M17: 2,017,626 km (0.068 R)
• M18: 2,247,409 km (0.093 R)
• M19: 2,372,024 km (0.105 R)
• M20: 2,531,046 km (0.09 R)
• M21: 2,621,553 km (0.113 R)
• M22: 2,719,988 km (0.096 R)
• M23: 2,846,399 km (0.066 R)
• M24: 2,947,676 km (0.084 R)
• M25: 3,105,203 km (0.049 R)
• M26: 3,272,753 km (0.113 R)
• M27: 3,393,329 km (0.07 R)
• M28: 3,522,581 km (0.091 R)
• M29: 3,734,262 km (0.104 R)
• M30: 4,124,712 km (0.096 R)
• M31: 4,332,654 km (0.115 R)
• M32: 4,418,373 km (0.075 R)
• M33: 4,694,980 km (0.103 R)
• M34: 4,855,648 km (0.085 R)
• M35: 4,985,499 km (0.114 R)
• M36: 5,067,179 km (0.099 R)
• M37: 5,207,203 km (0.082 R)
• M38: 5,290,230 km (0.071 R)
• M39: 5,491,139 km (0.077 R)
• M40: 5,711,796 km (0.066 R)
• M41: 5,806,043 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 17,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit