🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.7

Radius: 9.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.36 AU - 1.7 AU

Year: 1262 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,867,798 km

• M1: 120,725 km (0.065 R)
• M2: 526,585 km (0.078 R)
• M3: 880,683 km (0.115 R)
• M4: 1,437,187 km (0.107 R)
• M5: 2,031,539 km (0.114 R)
• M6: 2,505,465 km (0.08 R)
• M7: 2,874,673 km (0.116 R)
• M8: 4,224,195 km (0.094 R)
• M9: 4,693,783 km (0.115 R)
• M10: 5,298,906 km (0.09 R)
• M11: 6,736,093 km (0.044 R)
• M12: 7,251,757 km (0.068 R)
• M13: 7,740,643 km (0.119 R)
• M14: 9,045,136 km (0.091 R)
• M15: 9,734,483 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 9.2

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.91 AU - 1.91 AU

Year: 1760 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,867,798 km

• M1: 197,320 km (0.08 R)
• M2: 553,961 km (0.086 R)
• M3: 853,306 km (0.107 R)
• M4: 1,339,350 km (0.099 R)
• M5: 2,669,873 km (0.051 R)
• M6: 2,957,849 km (0.057 R)
• M7: 4,153,585 km (0.103 R)
• M8: 7,352,436 km (0.109 R)
• M9: 9,023,594 km (0.098 R)
• M10: 10,016,325 km (0.12 R)
• M11: 10,717,491 km (0.084 R)
• M12: 11,601,764 km (0.037 R)
• M13: 13,141,126 km (0.112 R)
• M14: 13,514,821 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 10.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.66 AU - 2.38 AU

Year: 1915 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,867,798 km

• M1: 126,859 km (0.119 R)
• M2: 598,691 km (0.106 R)
• M3: 1,113,307 km (0.113 R)
• M4: 2,247,409 km (0.11 R)
• M5: 3,513,306 km (0.106 R)
• M6: 3,870,546 km (0.067 R)
• M7: 5,830,727 km (0.113 R)
• M8: 7,189,225 km (0.11 R)
• M9: 8,482,349 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.8

Radius: 9.3

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.65 AU - 5.85 AU

Year: 8022 Days

Day: 11.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,867,798 km

• M1: 119,828 km (0.073 R)
• M2: 506,838 km (0.069 R)
• M3: 1,621,940 km (0.086 R)
• M4: 2,044,405 km (0.11 R)
• M5: 3,383,156 km (0.103 R)
• M6: 4,924,014 km (0.038 R)
• M7: 6,515,586 km (0.044 R)
• M8: 6,886,140 km (0.103 R)
• M9: 8,167,445 km (0.079 R)
• M10: 9,320,396 km (0.105 R)
• M11: 9,839,501 km (0.08 R)
• M12: 17,662,721 km (0.108 R)
• M13: 19,887,541 km (0.092 R)
• M14: 21,961,566 km (0.097 R)
• M15: 22,293,075 km (0.111 R)
• M16: 24,088,100 km (0.079 R)
• M17: 30,663,076 km (0.077 R)
• M18: 33,861,179 km (0.042 R)
• M19: 35,313,625 km (0.092 R)
• M20: 36,807,210 km (0.077 R)
• M21: 40,289,848 km (0.11 R)
• M22: 43,203,566 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 10.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.02 AU - 5.68 AU

Year: 8252 Days

Day: 14.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,867,798 km

• M1: 134,339 km (0.108 R)
• M2: 489,634 km (0.086 R)
• M3: 1,047,634 km (0.054 R)
• M4: 1,535,323 km (0.071 R)
• M5: 1,903,783 km (0.114 R)
• M6: 2,517,134 km (0.039 R)
• M7: 4,162,561 km (0.095 R)
• M8: 5,169,953 km (0.114 R)
• M9: 6,975,749 km (0.057 R)
• M10: 8,876,988 km (0.052 R)
• M11: 12,291,559 km (0.116 R)
• M12: 12,970,734 km (0.101 R)
• M13: 13,896,296 km (0.112 R)
• M14: 17,713,435 km (0.079 R)
• M15: 19,474,651 km (0.102 R)
• M16: 22,484,560 km (0.118 R)
• M17: 22,871,719 km (0.113 R)
• M18: 25,122,419 km (0.11 R)
• M19: 25,623,273 km (0.108 R)
• M20: 26,817,961 km (0.117 R)
• M21: 27,165,926 km (0.053 R)
• M22: 27,960,141 km (0.109 R)
• M23: 32,656,467 km (0.117 R)
• M24: 33,554,354 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.6

Radius: 5.7

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.84 AU - 8.96 AU

Year: 14807 Days

Day: 17.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,867,798 km

• M1: 71,059 km (0.083 R)
• M2: 847,472 km (0.117 R)
• M3: 1,137,542 km (0.115 R)
• M4: 2,004,462 km (0.113 R)
• M5: 3,007,067 km (0.103 R)
• M6: 3,473,663 km (0.116 R)
• M7: 4,307,222 km (0.104 R)
• M8: 4,802,690 km (0.058 R)
• M9: 5,544,995 km (0.082 R)
• M10: 5,980,773 km (0.116 R)
• M11: 7,864,958 km (0.092 R)
• M12: 8,415,030 km (0.056 R)
• M13: 10,059,559 km (0.073 R)
• M14: 19,766,217 km (0.035 R)
• M15: 21,126,062 km (0.087 R)
• M16: 23,935,959 km (0.112 R)
• M17: 24,796,146 km (0.095 R)
• M18: 27,812,488 km (0.047 R)
• M19: 29,734,821 km (0.078 R)
• M20: 31,177,094 km (0.11 R)
• M21: 32,665,293 km (0.106 R)
• M22: 36,906,543 km (0.026 R)
• M23: 49,466,331 km (0.043 R)
• M24: 52,120,347 km (0.046 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: 311 - 12,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit