🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 8.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.64 AU - 0.86 AU

Year: 448 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 111 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,673,883 km

• M1: 105,766 km (0.11 R)
• M2: 376,538 km (0.12 R)
• M3: 680,970 km (0.093 R)
• M4: 968,796 km (0.075 R)
• M5: 1,265,299 km (0.12 R)
• M6: 1,622,838 km (0.072 R)
• M7: 1,984,266 km (0.046 R)
• M8: 2,259,077 km (0.075 R)

Asteroid Belt

Center: 1.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.9

Radius: 13.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.98 AU - 2.24 AU

Year: 2116 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,673,883 km

• M1: 164,558 km (0.117 R)
• M2: 594,053 km (0.065 R)
• M3: 1,010,384 km (0.118 R)
• M4: 1,614,909 km (0.092 R)
• M5: 2,217,639 km (0.116 R)
• M6: 3,306,412 km (0.108 R)
• M7: 4,288,821 km (0.049 R)
• M8: 5,502,509 km (0.099 R)
• M9: 6,018,771 km (0.074 R)
• M10: 6,644,539 km (0.093 R)
• M11: 7,148,983 km (0.068 R)
• M12: 7,593,588 km (0.102 R)
• M13: 8,145,454 km (0.086 R)
• M14: 8,975,723 km (0.041 R)
• M15: 9,560,052 km (0.087 R)
• M16: 11,280,577 km (0.098 R)
• M17: 12,831,309 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 11.7

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.34 AU - 3.32 AU

Year: 3286 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,673,883 km

• M1: 147,504 km (0.093 R)
• M2: 622,327 km (0.063 R)
• M3: 1,150,108 km (0.118 R)
• M4: 1,742,815 km (0.082 R)
• M5: 2,348,238 km (0.062 R)
• M6: 2,843,706 km (0.094 R)
• M7: 3,331,545 km (0.111 R)
• M8: 3,770,016 km (0.098 R)
• M9: 4,201,905 km (0.11 R)
• M10: 5,217,824 km (0.077 R)
• M11: 5,811,877 km (0.06 R)
• M12: 6,632,721 km (0.078 R)
• M13: 9,840,548 km (0.05 R)
• M14: 10,246,706 km (0.103 R)
• M15: 11,049,448 km (0.07 R)
• M16: 11,577,678 km (0.082 R)
• M17: 12,495,461 km (0.059 R)
• M18: 13,264,095 km (0.089 R)
• M19: 14,166,170 km (0.11 R)
• M20: 16,373,487 km (0.073 R)
• M21: 22,491,292 km (0.08 R)
• M22: 25,178,818 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.9

Radius: 7.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.22 AU - 8.74 AU

Year: 14121 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,673,883 km

• M1: 93,349 km (0.084 R)
• M2: 376,089 km (0.109 R)
• M3: 1,168,808 km (0.081 R)
• M4: 2,446,972 km (0.099 R)
• M5: 2,959,644 km (0.046 R)
• M6: 3,331,993 km (0.092 R)
• M7: 6,190,210 km (0.097 R)
• M8: 6,912,469 km (0.07 R)
• M9: 11,812,248 km (0.08 R)
• M10: 12,137,773 km (0.091 R)
• M11: 33,143,259 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.9

Radius: 5.9

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.99 AU - 12.89 AU

Year: 23284 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,673,883 km

• M1: 73,303 km (0.103 R)
• M2: 308,920 km (0.107 R)
• M3: 590,014 km (0.106 R)
• M4: 862,581 km (0.1 R)
• M5: 1,610,122 km (0.067 R)
• M6: 1,916,648 km (0.108 R)
• M7: 2,353,922 km (0.08 R)
• M8: 2,882,302 km (0.051 R)
• M9: 3,673,675 km (0.091 R)
• M10: 4,206,243 km (0.067 R)
• M11: 6,386,632 km (0.114 R)
• M12: 6,957,348 km (0.074 R)
• M13: 8,145,305 km (0.101 R)
• M14: 9,283,296 km (0.098 R)
• M15: 10,014,829 km (0.11 R)
• M16: 11,183,338 km (0.097 R)
• M17: 13,102,380 km (0.033 R)
• M18: 13,480,264 km (0.089 R)
• M19: 15,817,581 km (0.069 R)
• M20: 16,682,556 km (0.119 R)
• M21: 18,038,362 km (0.102 R)
• M22: 21,276,707 km (0.072 R)
• M23: 22,329,577 km (0.095 R)
• M24: 26,528,041 km (0.075 R)
• M25: 29,644,613 km (0.086 R)
• M26: 30,823,893 km (0.065 R)
• M27: 38,717,275 km (0.088 R)
• M28: 42,877,293 km (0.032 R)
• M29: 44,893,872 km (0.101 R)
• M30: 45,925,499 km (0.107 R)
• M31: 51,321,644 km (0.056 R)
• M32: 53,210,317 km (0.052 R)
• M33: 53,593,437 km (0.116 R)
• M34: 57,728,771 km (0.099 R)
• M35: 68,873,513 km (0.102 R)
• M36: 71,634,492 km (0.105 R)
• M37: 72,101,686 km (0.166 R)
• M38: 78,361,609 km (0.227 R)
• M39: 86,287,005 km (0.2 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 17,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit