🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 9.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.94 AU - 1.26 AU

Year: 796 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,096,511 km

• M1: 113,246 km (0.117 R)
• M2: 506,688 km (0.097 R)
• M3: 879,635 km (0.109 R)
• M4: 1,378,245 km (0.097 R)
• M5: 1,729,501 km (0.083 R)
• M6: 3,137,815 km (0.054 R)
• M7: 4,224,195 km (0.058 R)
• M8: 4,793,864 km (0.061 R)
• M9: 5,081,840 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 9.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.01 AU - 1.33 AU

Year: 874 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,096,511 km

• M1: 118,332 km (0.031 R)
• M2: 442,361 km (0.11 R)
• M3: 1,438,832 km (0.085 R)
• M4: 2,240,527 km (0.098 R)
• M5: 3,473,064 km (0.099 R)
• M6: 4,316,647 km (0.056 R)
• M7: 4,946,154 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 14.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.5 AU - 4.38 AU

Year: 5398 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,096,511 km

• M1: 179,069 km (0.108 R)
• M2: 1,248,394 km (0.116 R)
• M3: 2,009,099 km (0.085 R)
• M4: 2,488,561 km (0.115 R)
• M5: 3,166,239 km (0.045 R)
• M6: 4,037,347 km (0.034 R)
• M7: 4,596,245 km (0.093 R)
• M8: 5,063,140 km (0.113 R)
• M9: 6,867,141 km (0.051 R)
• M10: 8,941,764 km (0.071 R)
• M11: 9,585,932 km (0.06 R)
• M12: 10,492,645 km (0.093 R)
• M13: 12,164,850 km (0.111 R)
• M14: 14,065,491 km (0.097 R)
• M15: 14,937,946 km (0.07 R)
• M16: 16,219,700 km (0.106 R)
• M17: 20,068,255 km (0.104 R)
• M18: 21,400,424 km (0.088 R)
• M19: 23,831,689 km (0.084 R)
• M20: 25,240,602 km (0.105 R)
• M21: 29,518,053 km (0.114 R)
• M22: 30,562,396 km (0.118 R)
• M23: 31,239,775 km (0.072 R)
• M24: 32,125,245 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.8

Radius: 6.3

Gravity: 18.44 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.74 AU - 6.74 AU

Year: 9492 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,096,511 km

• M1: 78,389 km (0.111 R)
• M2: 331,509 km (0.071 R)
• M3: 1,366,876 km (0.076 R)
• M4: 2,946,330 km (0.11 R)
• M5: 3,757,001 km (0.096 R)
• M6: 5,110,263 km (0.106 R)
• M7: 6,494,792 km (0.12 R)
• M8: 6,915,610 km (0.086 R)
• M9: 9,441,122 km (0.107 R)
• M10: 10,031,285 km (0.108 R)
• M11: 10,908,976 km (0.025 R)
• M12: 12,005,977 km (0.098 R)
• M13: 12,522,838 km (0.111 R)
• M14: 12,875,440 km (0.078 R)
• M15: 16,146,547 km (0.115 R)
• M16: 20,332,595 km (0.038 R)
• M17: 21,649,505 km (0.09 R)
• M18: 22,328,829 km (0.039 R)
• M19: 22,587,184 km (0.108 R)
• M20: 25,940,271 km (0.045 R)
• M21: 26,900,390 km (0.053 R)
• M22: 28,586,657 km (0.11 R)
• M23: 32,497,893 km (0.039 R)
• M24: 34,066,278 km (0.095 R)
• M25: 37,353,242 km (0.118 R)
• M26: 46,342,877 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.2

Radius: 4.9

Gravity: 34.7 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.76 AU - 7.2 AU

Year: 12729 Days

Day: 20.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,096,511 km

• M1: 62,532 km (0.118 R)
• M2: 284,535 km (0.046 R)
• M3: 791,373 km (0.069 R)
• M4: 987,795 km (0.119 R)
• M5: 1,269,039 km (0.073 R)
• M6: 1,747,602 km (0.11 R)
• M7: 2,218,387 km (0.105 R)
• M8: 2,504,867 km (0.118 R)
• M9: 2,769,655 km (0.077 R)
• M10: 3,486,977 km (0.083 R)
• M11: 4,867,616 km (0.069 R)
• M12: 5,140,183 km (0.091 R)
• M13: 5,495,328 km (0.117 R)
• M14: 5,942,775 km (0.072 R)
• M15: 6,825,702 km (0.083 R)
• M16: 7,167,384 km (0.1 R)
• M17: 7,885,005 km (0.049 R)
• M18: 8,405,456 km (0.118 R)
• M19: 10,774,487 km (0.112 R)
• M20: 12,835,049 km (0.082 R)
• M21: 13,957,631 km (0.088 R)
• M22: 15,288,154 km (0.062 R)
• M23: 21,277,156 km (0.119 R)
• M24: 24,685,893 km (0.112 R)
• M25: 27,576,123 km (0.114 R)
• M26: 28,770,662 km (0.078 R)
• M27: 37,321,976 km (0.082 R)
• M28: 40,142,345 km (0.085 R)
• M29: 41,957,565 km (0.063 R)
• M30: 43,535,673 km (0.118 R)
• M31: 46,657,631 km (0.095 R)
• M32: 49,134,074 km (0.078 R)
• M33: 50,404,459 km (0.099 R)
• M34: 52,680,142 km (0.102 R)
• M35: 54,515,558 km (0.092 R)
• M36: 56,565,947 km (0.03 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 19,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit