🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.43 AU - 1.75 AU

Year: 759 Days

Day: 17.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,752,910 km

• M1: 670,198 km (0.025 R)

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.3

Radius: 8

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.73 AU - 8.65 AU

Year: 8077 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,752,910 km

• M1: 99,782 km (0.1 R)
• M2: 360,830 km (0.095 R)
• M3: 634,594 km (0.116 R)
• M4: 1,004,998 km (0.098 R)
• M5: 1,478,027 km (0.1 R)
• M6: 2,651,921 km (0.12 R)
• M7: 3,941,455 km (0.083 R)
• M8: 4,653,541 km (0.088 R)
• M9: 4,996,419 km (0.116 R)
• M10: 5,356,053 km (0.115 R)
• M11: 5,765,053 km (0.03 R)
• M12: 7,007,164 km (0.088 R)
• M13: 7,496,798 km (0.074 R)
• M14: 8,460,657 km (0.099 R)
• M15: 9,595,357 km (0.116 R)
• M16: 10,104,738 km (0.097 R)
• M17: 11,077,124 km (0.091 R)
• M18: 12,595,842 km (0.091 R)
• M19: 14,789,694 km (0.086 R)
• M20: 15,658,409 km (0.116 R)
• M21: 17,840,294 km (0.11 R)
• M22: 19,402,694 km (0.118 R)
• M23: 20,518,994 km (0.074 R)
• M24: 21,993,580 km (0.11 R)
• M25: 23,042,410 km (0.092 R)
• M26: 24,806,469 km (0.099 R)
• M27: 28,696,163 km (0.116 R)
• M28: 29,752,773 km (0.118 R)
• M29: 37,431,482 km (0.067 R)
• M30: 38,461,014 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 13.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.5

Radius: 5.2

Gravity: 34.49 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.65 AU - 15.33 AU

Year: 19819 Days

Day: 18.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,752,910 km

• M1: 64,626 km (0.062 R)
• M2: 358,736 km (0.088 R)
• M3: 521,199 km (0.095 R)
• M4: 896,989 km (0.063 R)
• M5: 1,237,025 km (0.045 R)
• M6: 2,371,575 km (0.083 R)
• M7: 2,632,923 km (0.092 R)
• M8: 2,993,154 km (0.053 R)
• M9: 3,594,388 km (0.115 R)
• M10: 4,956,776 km (0.107 R)
• M11: 5,384,775 km (0.109 R)
• M12: 5,587,331 km (0.106 R)
• M13: 6,007,551 km (0.061 R)
• M14: 8,006,029 km (0.06 R)
• M15: 9,978,627 km (0.104 R)
• M16: 10,851,082 km (0.096 R)
• M17: 11,240,036 km (0.066 R)
• M18: 11,705,734 km (0.088 R)
• M19: 13,252,726 km (0.11 R)
• M20: 18,795,925 km (0.045 R)
• M21: 19,451,463 km (0.117 R)
• M22: 20,414,275 km (0.07 R)
• M23: 21,509,481 km (0.116 R)
• M24: 22,020,059 km (0.106 R)
• M25: 23,278,326 km (0.102 R)
• M26: 23,600,261 km (0.108 R)
• M27: 25,708,394 km (0.109 R)
• M28: 28,180,798 km (0.115 R)
• M29: 32,512,404 km (0.09 R)
• M30: 32,914,673 km (0.108 R)
• M31: 33,184,548 km (0.095 R)
• M32: 41,201,647 km (0.045 R)
• M33: 42,465,749 km (0.114 R)
• M34: 43,592,670 km (0.068 R)
• M35: 50,597,291 km (0.092 R)
• M36: 50,776,808 km (0.092 R)
• M37: 64,014,574 km (0.088 R)
• M38: 72,783,403 km (0.088 R)
• M39: 77,453,400 km (0.113 R)
• M40: 77,692,009 km (0.097 R)
• M41: 81,576,766 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.3

Radius: 5.3

Gravity: 28.95 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.8 AU - 17.86 AU

Year: 22733 Days

Day: 21.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,752,910 km

• M1: 65,973 km (0.084 R)
• M2: 241,301 km (0.093 R)
• M3: 489,185 km (0.115 R)
• M4: 1,012,329 km (0.042 R)
• M5: 1,324,091 km (0.077 R)
• M6: 2,806,606 km (0.108 R)
• M7: 3,923,055 km (0.092 R)
• M8: 4,329,811 km (0.107 R)
• M9: 4,507,533 km (0.079 R)
• M10: 4,953,784 km (0.098 R)
• M11: 5,388,366 km (0.116 R)
• M12: 6,021,314 km (0.05 R)
• M13: 6,378,554 km (0.091 R)
• M14: 6,797,278 km (0.044 R)
• M15: 7,086,451 km (0.094 R)
• M16: 8,003,187 km (0.083 R)
• M17: 8,435,076 km (0.112 R)
• M18: 10,193,898 km (0.117 R)
• M19: 13,873,407 km (0.085 R)
• M20: 14,734,493 km (0.056 R)
• M21: 15,137,509 km (0.106 R)
• M22: 17,263,295 km (0.092 R)
• M23: 30,530,981 km (0.106 R)
• M24: 34,037,704 km (0.109 R)
• M25: 36,616,772 km (0.088 R)
• M26: 38,710,543 km (0.111 R)
• M27: 41,358,725 km (0.087 R)
• M28: 43,959,035 km (0.083 R)
• M29: 47,186,011 km (0.114 R)
• M30: 49,303,569 km (0.103 R)
• M31: 51,667,963 km (0.1 R)
• M32: 64,203,068 km (0.095 R)
• M33: 64,416,843 km (0.108 R)
• M34: 66,799,937 km (0.087 R)
• M35: 77,888,431 km (0.065 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 13,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit