🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 14.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.81 AU - 2.87 AU

Year: 2348 Days

Day: 13.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,321,939 km

• M1: 185,352 km (0.095 R)
• M2: 787,184 km (0.102 R)
• M3: 2,216,891 km (0.107 R)
• M4: 2,839,218 km (0.073 R)
• M5: 3,334,686 km (0.113 R)
• M6: 3,813,399 km (0.069 R)
• M7: 4,911,597 km (0.082 R)
• M8: 6,263,962 km (0.08 R)
• M9: 7,084,357 km (0.055 R)
• M10: 8,162,509 km (0.12 R)
• M11: 9,520,558 km (0.098 R)
• M12: 10,162,632 km (0.104 R)
• M13: 11,140,853 km (0.093 R)
• M14: 12,430,087 km (0.108 R)
• M15: 13,951,647 km (0.115 R)
• M16: 15,208,120 km (0.081 R)
• M17: 15,987,524 km (0.07 R)
• M18: 17,415,586 km (0.075 R)
• M19: 17,945,611 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.7

Radius: 13.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.37 AU - 2.81 AU

Year: 2734 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,321,939 km

• M1: 169,195 km (0.051 R)
• M2: 650,302 km (0.081 R)
• M3: 1,124,826 km (0.11 R)
• M4: 3,239,691 km (0.071 R)
• M5: 4,827,972 km (0.049 R)
• M6: 5,320,598 km (0.098 R)
• M7: 7,917,467 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.4

Radius: 10.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.6 AU - 3.52 AU

Year: 3511 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,321,939 km

• M1: 134,788 km (0.037 R)
• M2: 492,327 km (0.079 R)
• M3: 956,529 km (0.108 R)
• M4: 1,655,749 km (0.061 R)
• M5: 2,351,828 km (0.103 R)
• M6: 3,590,349 km (0.116 R)
• M7: 3,954,171 km (0.099 R)
• M8: 5,947,862 km (0.073 R)
• M9: 6,826,749 km (0.071 R)
• M10: 8,012,462 km (0.102 R)
• M11: 9,014,169 km (0.112 R)
• M12: 9,874,058 km (0.109 R)
• M13: 11,798,634 km (0.082 R)
• M14: 13,093,554 km (0.045 R)
• M15: 15,912,875 km (0.079 R)
• M16: 17,437,128 km (0.079 R)
• M17: 19,056,525 km (0.085 R)
• M18: 19,578,921 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 8.2

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.66 AU - 4.14 AU

Year: 4113 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,321,939 km

• M1: 117,434 km (0.12 R)
• M2: 476,619 km (0.07 R)
• M3: 749,336 km (0.116 R)
• M4: 1,093,710 km (0.11 R)
• M5: 1,956,142 km (0.104 R)
• M6: 2,241,724 km (0.091 R)
• M7: 2,604,649 km (0.06 R)
• M8: 3,803,825 km (0.114 R)
• M9: 5,611,715 km (0.081 R)
• M10: 6,044,203 km (0.119 R)
• M11: 6,375,263 km (0.1 R)
• M12: 11,128,735 km (0.097 R)
• M13: 13,062,288 km (0.095 R)
• M14: 14,827,243 km (0.066 R)
• M15: 18,951,208 km (0.043 R)
• M16: 19,401,497 km (0.105 R)
• M17: 24,456,260 km (0.083 R)
• M18: 24,836,837 km (0.113 R)
• M19: 26,318,903 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.3

Radius: 6.2

Gravity: 15.64 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.53 AU - 10.31 AU

Year: 18966 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 70,321,939 km

• M1: 77,043 km (0.103 R)
• M2: 514,766 km (0.11 R)
• M3: 765,492 km (0.05 R)
• M4: 1,048,232 km (0.117 R)
• M5: 1,506,301 km (0.034 R)
• M6: 1,755,082 km (0.063 R)
• M7: 2,210,608 km (0.065 R)
• M8: 2,422,289 km (0.1 R)
• M9: 2,911,773 km (0.084 R)
• M10: 3,193,316 km (0.054 R)
• M11: 3,635,228 km (0.08 R)
• M12: 3,841,075 km (0.088 R)
• M13: 4,211,928 km (0.119 R)
• M14: 5,097,697 km (0.116 R)
• M15: 7,139,858 km (0.063 R)
• M16: 9,727,901 km (0.115 R)
• M17: 10,653,762 km (0.079 R)
• M18: 12,150,788 km (0.111 R)
• M19: 13,361,783 km (0.084 R)
• M20: 14,503,962 km (0.026 R)
• M21: 17,474,826 km (0.086 R)
• M22: 18,577,812 km (0.089 R)
• M23: 23,053,032 km (0.108 R)
• M24: 24,067,904 km (0.087 R)
• M25: 25,431,638 km (0.062 R)
• M26: 29,122,965 km (0.056 R)
• M27: 31,649,075 km (0.032 R)
• M28: 32,146,189 km (0.064 R)
• M29: 36,042,465 km (0.119 R)
• M30: 36,312,938 km (0.071 R)
• M31: 39,234,435 km (0.113 R)
• M32: 39,808,293 km (0.11 R)
• M33: 41,860,327 km (0.094 R)
• M34: 46,015,258 km (0.09 R)
• M35: 47,947,015 km (0.036 R)
• M36: 51,627,721 km (0.104 R)
• M37: 51,971,347 km (0.117 R)
• M38: 56,396,901 km (0.075 R)
• M39: 63,397,782 km (0.12 R)
• M40: 65,787,010 km (0.067 R)
• M41: 65,988,818 km (0.098 R)
• M42: 67,003,839 km (0.108 R)
• M43: 67,208,040 km (0.074 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: 491 - 13,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit