🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 13.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.58 AU - 2.6 AU

Year: 1982 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,711,429 km

• M1: 162,912 km (0.054 R)
• M2: 877,092 km (0.099 R)
• M3: 1,476,381 km (0.1 R)
• M4: 2,016,729 km (0.054 R)
• M5: 2,746,617 km (0.107 R)
• M6: 3,575,090 km (0.054 R)
• M7: 4,480,307 km (0.117 R)
• M8: 5,727,803 km (0.09 R)
• M9: 8,282,636 km (0.092 R)
• M10: 9,512,031 km (0.116 R)
• M11: 12,372,193 km (0.111 R)
• M12: 17,122,823 km (0.044 R)

Planet 2 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344

Radius: 3.8

Gravity: 23.82 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.97 AU - 8.29 AU

Year: 13826 Days

Day: 17.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,711,429 km

• M1: 47,273 km (0.044 R)
• M2: 240,703 km (0.073 R)
• M3: 571,165 km (0.049 R)
• M4: 708,496 km (0.045 R)
• M5: 1,537,866 km (0.079 R)
• M6: 1,668,764 km (0.119 R)
• M7: 1,970,204 km (0.096 R)
• M8: 2,439,941 km (0.086 R)
• M9: 3,185,238 km (0.097 R)
• M10: 4,982,955 km (0.102 R)
• M11: 6,276,528 km (0.109 R)
• M12: 6,843,654 km (0.088 R)
• M13: 7,693,968 km (0.074 R)
• M14: 10,822,060 km (0.043 R)
• M15: 11,142,648 km (0.104 R)
• M16: 13,627,768 km (0.118 R)
• M17: 14,001,613 km (0.086 R)
• M18: 17,752,031 km (0.109 R)
• M19: 23,871,781 km (0.06 R)
• M20: 34,828,778 km (0.084 R)
• M21: 39,911,366 km (0.107 R)
• M22: 46,439,517 km (0.112 R)
• M23: 47,143,076 km (0.119 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.5

Radius: 3.6

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.21 AU - 8.87 AU

Year: 14955 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 24,711,429 km

• M1: 48,021 km (0.116 R)
• M2: 238,609 km (0.09 R)
• M3: 657,632 km (0.096 R)
• M4: 1,070,522 km (0.097 R)
• M5: 1,581,698 km (0.11 R)
• M6: 1,853,218 km (0.079 R)
• M7: 2,088,685 km (0.099 R)
• M8: 2,562,761 km (0.104 R)
• M9: 2,957,700 km (0.034 R)
• M10: 3,369,094 km (0.074 R)
• M11: 4,632,747 km (0.111 R)
• M12: 5,685,617 km (0.03 R)
• M13: 6,423,284 km (0.117 R)
• M14: 6,778,878 km (0.1 R)
• M15: 6,924,736 km (0.102 R)
• M16: 8,929,347 km (0.063 R)
• M17: 9,644,575 km (0.058 R)
• M18: 10,110,422 km (0.113 R)
• M19: 11,289,703 km (0.084 R)
• M20: 11,598,173 km (0.048 R)
• M21: 12,722,401 km (0.101 R)
• M22: 12,944,554 km (0.096 R)
• M23: 14,511,741 km (0.038 R)
• M24: 16,659,668 km (0.113 R)
• M25: 19,519,979 km (0.119 R)
• M26: 21,651,150 km (0.058 R)
• M27: 24,016,592 km (0.072 R)
• M28: 32,547,261 km (0.083 R)
• M29: 38,111,105 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.5

Radius: 3.7

Gravity: 50.58 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.79 AU - 10.33 AU

Year: 16429 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 24,711,429 km

• M1: 46,076 km (0.103 R)
• M2: 241,750 km (0.06 R)
• M3: 363,373 km (0.119 R)
• M4: 534,663 km (0.058 R)
• M5: 994,676 km (0.037 R)
• M6: 1,611,917 km (0.105 R)
• M7: 2,891,428 km (0.096 R)
• M8: 3,409,036 km (0.087 R)
• M9: 3,547,714 km (0.101 R)
• M10: 4,659,226 km (0.093 R)
• M11: 4,864,773 km (0.086 R)
• M12: 6,268,300 km (0.111 R)
• M13: 6,603,848 km (0.115 R)
• M14: 7,084,506 km (0.058 R)
• M15: 8,564,478 km (0.074 R)
• M16: 8,717,816 km (0.064 R)
• M17: 8,977,368 km (0.114 R)
• M18: 9,954,841 km (0.071 R)
• M19: 15,464,381 km (0.105 R)
• M20: 16,309,459 km (0.053 R)
• M21: 17,347,219 km (0.056 R)
• M22: 21,000,100 km (0.082 R)
• M23: 23,700,641 km (0.087 R)
• M24: 24,104,406 km (0.069 R)
• M25: 24,512,808 km (0.106 R)
• M26: 27,280,069 km (0.119 R)
• M27: 29,082,574 km (0.079 R)
• M28: 31,810,491 km (0.116 R)
• M29: 47,552,526 km (0.05 R)
• M30: 48,194,450 km (0.12 R)
• M31: 49,168,183 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.6

Radius: 4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.11 AU - 9.85 AU

Year: 19148 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,711,429 km

• M1: 50,265 km (0.068 R)
• M2: 770,279 km (0.109 R)
• M3: 1,569,581 km (0.118 R)
• M4: 2,010,595 km (0.113 R)
• M5: 3,321,073 km (0.119 R)
• M6: 4,616,889 km (0.109 R)
• M7: 5,244,602 km (0.094 R)
• M8: 7,500,388 km (0.094 R)
• M9: 7,838,480 km (0.062 R)
• M10: 8,400,369 km (0.105 R)
• M11: 8,802,040 km (0.091 R)
• M12: 13,400,229 km (0.06 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: 378 - 16,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit