🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.5

Radius: 11.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.93 AU - 1.15 AU

Year: 685 Days

Day: 5.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,777,448 km

• M1: 146,157 km (0.109 R)
• M2: 569,519 km (0.109 R)
• M3: 966,253 km (0.087 R)
• M4: 1,920,089 km (0.067 R)
• M5: 2,314,429 km (0.069 R)
• M6: 3,000,335 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 10.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.22 AU - 2.28 AU

Year: 2179 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,777,448 km

• M1: 133,142 km (0.112 R)
• M2: 537,804 km (0.088 R)
• M3: 1,056,610 km (0.112 R)
• M4: 1,531,433 km (0.072 R)
• M5: 2,465,373 km (0.08 R)
• M6: 3,215,157 km (0.089 R)
• M7: 4,012,364 km (0.097 R)
• M8: 5,848,529 km (0.085 R)
• M9: 7,058,327 km (0.092 R)
• M10: 7,901,311 km (0.068 R)
• M11: 8,347,412 km (0.101 R)
• M12: 9,204,159 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 12.1

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.14 AU - 3.16 AU

Year: 3610 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,777,448 km

• M1: 159,621 km (0.042 R)
• M2: 691,741 km (0.103 R)
• M3: 1,207,554 km (0.112 R)
• M4: 1,670,111 km (0.053 R)
• M5: 2,279,572 km (0.071 R)
• M6: 2,928,678 km (0.074 R)
• M7: 3,738,750 km (0.119 R)
• M8: 4,911,597 km (0.118 R)
• M9: 6,170,164 km (0.119 R)
• M10: 8,006,328 km (0.1 R)
• M11: 9,238,865 km (0.073 R)
• M12: 10,141,838 km (0.066 R)
• M13: 12,214,965 km (0.115 R)
• M14: 14,147,022 km (0.063 R)
• M15: 14,764,412 km (0.116 R)
• M16: 17,241,155 km (0.113 R)
• M17: 18,853,670 km (0.115 R)
• M18: 19,919,256 km (0.078 R)
• M19: 24,002,230 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.9

Radius: 5.2

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.41 AU - 7.77 AU

Year: 10923 Days

Day: 15.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,777,448 km

• M1: 65,524 km (0.09 R)
• M2: 463,903 km (0.097 R)
• M3: 1,829,283 km (0.116 R)
• M4: 2,426,477 km (0.084 R)
• M5: 3,689,083 km (0.081 R)
• M6: 4,692,436 km (0.075 R)
• M7: 5,865,583 km (0.116 R)
• M8: 6,107,632 km (0.11 R)
• M9: 6,723,676 km (0.064 R)
• M10: 14,936,001 km (0.054 R)
• M11: 18,587,236 km (0.091 R)
• M12: 21,871,957 km (0.081 R)
• M13: 25,891,352 km (0.093 R)
• M14: 27,301,462 km (0.071 R)
• M15: 30,273,822 km (0.082 R)
• M16: 33,127,252 km (0.094 R)
• M17: 35,126,029 km (0.064 R)
• M18: 41,475,710 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.6

Radius: 5.5

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.17 AU - 11.29 AU

Year: 18106 Days

Day: 20.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,777,448 km

• M1: 75,846 km (0.097 R)
• M2: 479,760 km (0.113 R)
• M3: 2,126,683 km (0.101 R)
• M4: 2,660,299 km (0.066 R)
• M5: 3,252,707 km (0.09 R)
• M6: 3,496,102 km (0.082 R)
• M7: 4,173,930 km (0.052 R)
• M8: 7,917,318 km (0.11 R)
• M9: 9,183,664 km (0.094 R)
• M10: 13,645,121 km (0.026 R)
• M11: 20,166,691 km (0.052 R)
• M12: 20,712,274 km (0.099 R)
• M13: 21,174,382 km (0.116 R)
• M14: 26,288,385 km (0.111 R)
• M15: 30,474,732 km (0.066 R)
• M16: 31,556,175 km (0.033 R)
• M17: 36,405,689 km (0.042 R)
• M18: 37,897,030 km (0.095 R)
• M19: 41,875,885 km (0.094 R)
• M20: 44,575,528 km (0.059 R)
• M21: 52,167,021 km (0.077 R)
• M22: 52,850,235 km (0.075 R)
• M23: 53,886,350 km (0.085 R)
• M24: 60,952,755 km (0.115 R)
• M25: 64,608,777 km (0.06 R)
• M26: 65,792,994 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.8

Radius: 5.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.25 AU - 12.33 AU

Year: 21313 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,777,448 km

• M1: 70,161 km (0.081 R)
• M2: 985,551 km (0.075 R)
• M3: 1,998,029 km (0.089 R)
• M4: 6,275,481 km (0.051 R)
• M5: 12,533,758 km (0.03 R)
• M6: 14,311,879 km (0.076 R)
• M7: 17,087,518 km (0.105 R)
• M8: 19,622,753 km (0.072 R)
• M9: 20,129,141 km (0.056 R)
• M10: 23,110,777 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.7

Radius: 6.6

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.33 AU - 11.71 AU

Year: 22031 Days

Day: 21.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,777,448 km

• M1: 82,428 km (0.099 R)
• M2: 340,186 km (0.091 R)
• M3: 553,213 km (0.08 R)
• M4: 1,890,319 km (0.032 R)
• M5: 2,774,592 km (0.111 R)
• M6: 3,654,826 km (0.099 R)
• M7: 4,420,168 km (0.088 R)
• M8: 6,028,495 km (0.11 R)
• M9: 6,669,372 km (0.117 R)
• M10: 10,402,138 km (0.069 R)
• M11: 16,673,730 km (0.118 R)
• M12: 20,369,844 km (0.116 R)
• M13: 23,985,924 km (0.103 R)
• M14: 27,468,862 km (0.063 R)
• M15: 30,464,110 km (0.072 R)
• M16: 32,338,123 km (0.098 R)
• M17: 36,443,238 km (0.097 R)
• M18: 41,444,295 km (0.12 R)
• M19: 41,868,704 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 17,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit