🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 11.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.68 AU - 0.84 AU

Year: 435 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,890,590 km

• M1: 145,559 km (0.077 R)
• M2: 517,459 km (0.079 R)
• M3: 895,194 km (0.062 R)
• M4: 1,272,330 km (0.084 R)
• M5: 1,960,181 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 9.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1 AU - 1.28 AU

Year: 798 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,890,590 km

• M1: 119,379 km (0.044 R)
• M2: 472,430 km (0.097 R)
• M3: 976,874 km (0.094 R)
• M4: 1,735,335 km (0.116 R)
• M5: 2,070,734 km (0.048 R)
• M6: 2,923,442 km (0.09 R)
• M7: 3,413,674 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 10.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.77 AU - 1.79 AU

Year: 1558 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 62.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,890,590 km

• M1: 130,599 km (0.114 R)
• M2: 786,586 km (0.105 R)
• M3: 1,284,447 km (0.063 R)
• M4: 1,828,086 km (0.076 R)
• M5: 2,212,553 km (0.103 R)
• M6: 3,162,349 km (0.06 R)
• M7: 3,670,982 km (0.076 R)
• M8: 4,853,105 km (0.045 R)
• M9: 5,313,118 km (0.117 R)
• M10: 6,248,553 km (0.029 R)
• M11: 8,532,614 km (0.119 R)
• M12: 9,650,259 km (0.086 R)
• M13: 12,672,436 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 11.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.85 AU - 6.07 AU

Year: 7247 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,890,590 km

• M1: 147,952 km (0.08 R)
• M2: 544,237 km (0.056 R)
• M3: 915,389 km (0.082 R)
• M4: 3,014,098 km (0.111 R)
• M5: 3,485,481 km (0.107 R)
• M6: 4,197,267 km (0.052 R)
• M7: 4,766,188 km (0.084 R)
• M8: 5,340,046 km (0.072 R)
• M9: 5,836,860 km (0.048 R)
• M10: 6,653,216 km (0.085 R)
• M11: 7,690,378 km (0.118 R)
• M12: 9,159,578 km (0.094 R)
• M13: 10,734,246 km (0.12 R)
• M14: 11,683,444 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.6

Radius: 14.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.01 AU - 5.41 AU

Year: 7801 Days

Day: 8.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,890,590 km

• M1: 181,612 km (0.076 R)
• M2: 666,010 km (0.059 R)
• M3: 1,195,437 km (0.111 R)
• M4: 1,762,562 km (0.109 R)
• M5: 5,080,194 km (0.113 R)
• M6: 5,547,388 km (0.12 R)
• M7: 6,075,319 km (0.112 R)
• M8: 6,636,760 km (0.084 R)
• M9: 7,414,968 km (0.069 R)
• M10: 8,777,655 km (0.118 R)
• M11: 10,439,987 km (0.09 R)
• M12: 12,355,737 km (0.099 R)
• M13: 13,043,738 km (0.079 R)
• M14: 14,670,764 km (0.113 R)
• M15: 15,202,285 km (0.114 R)
• M16: 18,942,082 km (0.111 R)
• M17: 20,217,554 km (0.096 R)
• M18: 22,160,082 km (0.039 R)
• M19: 30,319,748 km (0.091 R)
• M20: 32,859,920 km (0.117 R)
• M21: 34,699,525 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.9

Radius: 4.6

Gravity: 43.19 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.01 AU - 11.47 AU

Year: 21496 Days

Day: 21.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,890,590 km

• M1: 60,138 km (0.085 R)
• M2: 273,315 km (0.08 R)
• M3: 423,811 km (0.064 R)
• M4: 604,375 km (0.071 R)
• M5: 836,252 km (0.111 R)
• M6: 1,005,298 km (0.05 R)
• M7: 1,530,835 km (0.101 R)
• M8: 1,824,795 km (0.095 R)
• M9: 2,623,498 km (0.084 R)
• M10: 3,663,951 km (0.064 R)
• M11: 6,199,785 km (0.085 R)
• M12: 12,986,142 km (0.036 R)
• M13: 17,372,502 km (0.11 R)
• M14: 20,587,809 km (0.094 R)
• M15: 21,193,530 km (0.109 R)
• M16: 21,604,027 km (0.079 R)
• M17: 24,852,545 km (0.089 R)
• M18: 28,041,971 km (0.076 R)
• M19: 28,911,284 km (0.085 R)
• M20: 32,028,007 km (0.084 R)
• M21: 32,977,654 km (0.116 R)
• M22: 33,252,316 km (0.111 R)
• M23: 34,932,748 km (0.096 R)
• M24: 35,938,794 km (0.061 R)
• M25: 39,225,908 km (0.096 R)
• M26: 40,626,593 km (0.071 R)
• M27: 42,221,456 km (0.096 R)
• M28: 44,356,666 km (0.113 R)
• M29: 46,562,786 km (0.088 R)
• M30: 47,780,513 km (0.058 R)
• M31: 51,008,835 km (0.085 R)
• M32: 54,571,059 km (0.111 R)
• M33: 55,148,208 km (0.106 R)
• M34: 58,697,268 km (0.11 R)
• M35: 67,342,977 km (0.048 R)
• M36: 67,785,039 km (0.077 R)
• M37: 69,123,342 km (0.109 R)
• M38: 72,545,543 km (0.101 R)
• M39: 82,978,648 km (0.117 R)
• M40: 84,766,342 km (0.099 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: 259 - 11,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit