🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.62 AU - 4.12 AU

Year: 2283 Days

Day: 18.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.3

Radius: 14.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.31 AU - 5.85 AU

Year: 4224 Days

Day: 7.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,205,055 km

• M1: 179,218 km (0.05 R)
• M2: 719,715 km (0.081 R)
• M3: 1,306,289 km (0.107 R)
• M4: 1,784,104 km (0.117 R)
• M5: 2,444,280 km (0.079 R)
• M6: 3,225,180 km (0.067 R)
• M7: 3,849,303 km (0.03 R)
• M8: 5,397,940 km (0.089 R)
• M9: 5,947,263 km (0.084 R)
• M10: 6,438,842 km (0.077 R)
• M11: 7,824,118 km (0.082 R)
• M12: 8,606,665 km (0.111 R)
• M13: 10,459,584 km (0.085 R)
• M14: 11,550,452 km (0.073 R)
• M15: 13,172,691 km (0.077 R)
• M16: 14,390,118 km (0.116 R)
• M17: 15,855,280 km (0.091 R)
• M18: 17,048,323 km (0.038 R)
• M19: 18,172,701 km (0.085 R)
• M20: 19,412,418 km (0.107 R)
• M21: 20,361,467 km (0.074 R)
• M22: 22,060,151 km (0.099 R)
• M23: 26,635,452 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.2

Radius: 9.4

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.8 AU - 8.82 AU

Year: 7292 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,205,055 km

• M1: 116,986 km (0.056 R)
• M2: 605,722 km (0.091 R)
• M3: 1,499,270 km (0.03 R)
• M4: 1,939,836 km (0.076 R)
• M5: 5,435,938 km (0.091 R)
• M6: 5,792,579 km (0.104 R)
• M7: 6,771,548 km (0.073 R)
• M8: 7,496,200 km (0.118 R)
• M9: 8,104,165 km (0.04 R)
• M10: 13,374,947 km (0.071 R)
• M11: 18,975,592 km (0.12 R)
• M12: 19,647,287 km (0.098 R)
• M13: 21,677,031 km (0.112 R)
• M14: 23,245,864 km (0.065 R)
• M15: 25,513,618 km (0.116 R)
• M16: 27,449,863 km (0.098 R)
• M17: 29,383,116 km (0.047 R)
• M18: 36,634,424 km (0.067 R)
• M19: 39,094,112 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 9.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.94 AU - 10.24 AU

Year: 10957 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,205,055 km

• M1: 123,717 km (0.041 R)
• M2: 759,957 km (0.118 R)
• M3: 1,227,899 km (0.102 R)
• M4: 1,740,422 km (0.075 R)
• M5: 2,255,786 km (0.096 R)
• M6: 3,112,683 km (0.053 R)
• M7: 3,547,414 km (0.047 R)
• M8: 4,072,204 km (0.112 R)
• M9: 4,758,409 km (0.061 R)
• M10: 5,188,204 km (0.057 R)
• M11: 6,360,153 km (0.111 R)
• M12: 6,846,945 km (0.114 R)
• M13: 7,433,369 km (0.106 R)
• M14: 7,855,683 km (0.11 R)
• M15: 8,664,858 km (0.045 R)
• M16: 9,003,548 km (0.059 R)
• M17: 16,336,985 km (0.065 R)
• M18: 17,118,335 km (0.104 R)
• M19: 18,198,431 km (0.108 R)
• M20: 18,755,235 km (0.114 R)
• M21: 21,789,229 km (0.058 R)
• M22: 27,517,930 km (0.111 R)
• M23: 31,516,382 km (0.09 R)
• M24: 32,016,787 km (0.118 R)
• M25: 34,176,531 km (0.119 R)
• M26: 35,885,986 km (0.063 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 18,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit