🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.53 AU - 0.69 AU

Year: 313 Days

Day: 42.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 83 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,545,475 km

• M1: 442,361 km (0.111 R)
• M2: 551,867 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 11.8

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.79 AU - 0.93 AU

Year: 523 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,545,475 km

• M1: 146,756 km (0.102 R)
• M2: 553,662 km (0.067 R)
• M3: 968,197 km (0.114 R)
• M4: 1,351,318 km (0.099 R)
• M5: 1,860,100 km (0.112 R)
• M6: 2,814,834 km (0.115 R)
• M7: 3,215,905 km (0.058 R)
• M8: 3,585,113 km (0.116 R)
• M9: 4,020,592 km (0.095 R)
• M10: 4,882,575 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 8.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.13 AU - 3.07 AU

Year: 2750 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,545,475 km

• M1: 102,175 km (0.083 R)
• M2: 496,366 km (0.11 R)
• M3: 1,050,626 km (0.101 R)
• M4: 1,334,263 km (0.045 R)
• M5: 2,272,541 km (0.082 R)
• M6: 3,118,068 km (0.107 R)
• M7: 3,496,551 km (0.078 R)
• M8: 3,905,552 km (0.076 R)
• M9: 4,270,570 km (0.043 R)
• M10: 4,922,368 km (0.119 R)
• M11: 5,261,507 km (0.057 R)
• M12: 5,776,423 km (0.11 R)
• M13: 9,794,621 km (0.097 R)
• M14: 11,248,114 km (0.117 R)
• M15: 12,102,169 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.2

Radius: 3.2

Gravity: 27.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.25 AU - 6.29 AU

Year: 10299 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,545,475 km

• M1: 39,943 km (0.029 R)
• M2: 165,455 km (0.08 R)
• M3: 501,602 km (0.101 R)
• M4: 603,328 km (0.063 R)
• M5: 930,200 km (0.056 R)
• M6: 1,127,370 km (0.106 R)
• M7: 1,424,621 km (0.086 R)
• M8: 2,106,787 km (0.088 R)
• M9: 2,500,977 km (0.084 R)
• M10: 3,044,616 km (0.088 R)
• M11: 3,616,379 km (0.118 R)
• M12: 3,878,474 km (0.05 R)
• M13: 4,026,726 km (0.047 R)
• M14: 4,575,750 km (0.056 R)
• M15: 4,713,380 km (0.12 R)
• M16: 5,692,797 km (0.03 R)
• M17: 6,764,816 km (0.1 R)
• M18: 8,782,293 km (0.081 R)
• M19: 9,790,133 km (0.107 R)
• M20: 9,972,942 km (0.108 R)
• M21: 10,921,393 km (0.066 R)
• M22: 13,722,313 km (0.061 R)
• M23: 14,416,896 km (0.117 R)
• M24: 20,687,740 km (0.1 R)
• M25: 24,245,028 km (0.099 R)
• M26: 24,748,125 km (0.06 R)
• M27: 26,919,389 km (0.111 R)
• M28: 28,838,730 km (0.084 R)
• M29: 30,945,217 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit