🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 9.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.52 AU - 0.82 AU

Year: 379 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 49,157,261 km

• M1: 117,135 km (0.12 R)
• M2: 522,246 km (0.088 R)
• M3: 1,040,004 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 12.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.71 AU - 0.83 AU

Year: 466 Days

Day: 8.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,157,261 km

• M1: 155,432 km (0.052 R)
• M2: 623,823 km (0.027 R)
• M3: 1,170,903 km (0.098 R)
• M4: 1,747,154 km (0.087 R)
• M5: 2,235,291 km (0.116 R)
• M6: 2,793,890 km (0.055 R)
• M7: 3,527,967 km (0.087 R)
• M8: 4,072,952 km (0.095 R)
• M9: 4,776,810 km (0.104 R)
• M10: 5,397,042 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.9

Radius: 14.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.6 AU - 1.98 AU

Year: 1653 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,157,261 km

• M1: 185,352 km (0.104 R)
• M2: 766,240 km (0.12 R)
• M3: 1,255,725 km (0.081 R)
• M4: 2,239,480 km (0.116 R)
• M5: 2,756,939 km (0.103 R)
• M6: 3,630,142 km (0.114 R)
• M7: 4,106,611 km (0.104 R)
• M8: 4,606,717 km (0.114 R)
• M9: 5,392,255 km (0.067 R)
• M10: 5,905,376 km (0.097 R)
• M11: 7,750,815 km (0.073 R)
• M12: 8,491,325 km (0.072 R)
• M13: 9,218,670 km (0.119 R)
• M14: 10,018,869 km (0.092 R)
• M15: 10,999,333 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 8.4

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.99 AU - 4.11 AU

Year: 5626 Days

Day: 12.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,157,261 km

• M1: 115,190 km (0.104 R)
• M2: 410,347 km (0.107 R)
• M3: 751,430 km (0.113 R)
• M4: 1,348,475 km (0.114 R)
• M5: 2,864,201 km (0.081 R)
• M6: 3,202,142 km (0.083 R)
• M7: 4,277,602 km (0.079 R)
• M8: 4,967,397 km (0.12 R)
• M9: 6,840,512 km (0.096 R)
• M10: 9,569,776 km (0.112 R)
• M11: 10,328,536 km (0.081 R)
• M12: 12,426,048 km (0.101 R)
• M13: 13,657,388 km (0.063 R)
• M14: 14,104,087 km (0.06 R)
• M15: 16,112,439 km (0.107 R)
• M16: 18,304,197 km (0.11 R)
• M17: 18,985,017 km (0.045 R)
• M18: 19,541,521 km (0.087 R)
• M19: 23,191,260 km (0.117 R)
• M20: 24,475,109 km (0.056 R)
• M21: 26,231,089 km (0.079 R)
• M22: 27,008,848 km (0.113 R)
• M23: 27,713,006 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.3

Radius: 12.8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.01 AU - 5.67 AU

Year: 7350 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,157,261 km

• M1: 160,369 km (0.096 R)
• M2: 837,150 km (0.072 R)
• M3: 1,246,749 km (0.116 R)
• M4: 2,086,741 km (0.071 R)
• M5: 4,282,688 km (0.066 R)
• M6: 5,878,448 km (0.101 R)
• M7: 6,466,069 km (0.08 R)
• M8: 7,362,310 km (0.103 R)
• M9: 8,129,148 km (0.052 R)
• M10: 8,640,474 km (0.113 R)
• M11: 9,218,520 km (0.067 R)
• M12: 10,255,532 km (0.09 R)
• M13: 11,474,007 km (0.104 R)
• M14: 14,565,597 km (0.114 R)
• M15: 15,839,871 km (0.097 R)
• M16: 16,302,877 km (0.083 R)
• M17: 16,980,256 km (0.082 R)
• M18: 20,031,753 km (0.108 R)
• M19: 20,495,656 km (0.12 R)
• M20: 21,364,820 km (0.079 R)
• M21: 23,092,376 km (0.108 R)
• M22: 25,357,886 km (0.045 R)
• M23: 25,809,971 km (0.089 R)
• M24: 26,637,397 km (0.084 R)
• M25: 27,959,543 km (0.105 R)
• M26: 29,823,233 km (0.075 R)
• M27: 34,234,426 km (0.076 R)
• M28: 35,796,676 km (0.116 R)
• M29: 37,057,038 km (0.117 R)
• M30: 40,031,343 km (0.105 R)
• M31: 41,015,697 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.2

Radius: 3

Gravity: 40.36 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.52 AU - 7.54 AU

Year: 14263 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,157,261 km

• M1: 37,250 km (0.08 R)
• M2: 196,572 km (0.111 R)
• M3: 348,264 km (0.089 R)
• M4: 574,755 km (0.116 R)
• M5: 1,285,495 km (0.071 R)
• M6: 1,543,551 km (0.078 R)
• M7: 1,834,818 km (0.098 R)
• M8: 2,143,289 km (0.041 R)
• M9: 2,348,238 km (0.079 R)
• M10: 3,157,413 km (0.098 R)
• M11: 4,424,507 km (0.108 R)
• M12: 7,516,994 km (0.114 R)
• M13: 10,488,905 km (0.038 R)
• M14: 11,518,886 km (0.049 R)
• M15: 15,076,922 km (0.119 R)
• M16: 19,861,361 km (0.058 R)
• M17: 39,039,659 km (0.072 R)
• M18: 39,166,219 km (0.092 R)
• M19: 48,424,083 km (0.066 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: 293 - 18,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit