🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.16 AU - 1.62 AU

Year: 593 Days

Day: 37.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,475,315 km

• M1: 862,282 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.48 AU - 4 AU

Year: 2616 Days

Day: 27.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 12.7

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.33 AU - 5.61 AU

Year: 4007 Days

Day: 9.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,475,315 km

• M1: 157,975 km (0.091 R)
• M2: 559,496 km (0.075 R)
• M3: 1,086,529 km (0.12 R)
• M4: 1,737,579 km (0.119 R)
• M5: 2,257,432 km (0.119 R)
• M6: 2,740,334 km (0.114 R)
• M7: 3,311,498 km (0.064 R)
• M8: 4,669,997 km (0.118 R)
• M9: 5,242,059 km (0.1 R)
• M10: 5,773,281 km (0.057 R)
• M11: 6,187,667 km (0.028 R)
• M12: 7,413,921 km (0.093 R)
• M13: 8,642,867 km (0.078 R)
• M14: 9,630,213 km (0.117 R)
• M15: 14,396,850 km (0.06 R)
• M16: 15,273,943 km (0.119 R)
• M17: 16,478,804 km (0.094 R)
• M18: 17,684,263 km (0.107 R)
• M19: 26,423,472 km (0.046 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.7

Radius: 5.8

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 11.26 AU - 16.34 AU

Year: 18540 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,475,315 km

• M1: 72,256 km (0.085 R)
• M2: 253,269 km (0.062 R)
• M3: 448,195 km (0.099 R)
• M4: 903,571 km (0.089 R)
• M5: 1,092,364 km (0.052 R)
• M6: 2,820,668 km (0.049 R)
• M7: 4,047,520 km (0.105 R)
• M8: 5,741,865 km (0.093 R)
• M9: 6,724,125 km (0.036 R)
• M10: 7,677,213 km (0.044 R)
• M11: 8,424,754 km (0.115 R)
• M12: 10,227,408 km (0.032 R)
• M13: 12,839,237 km (0.117 R)
• M14: 13,031,919 km (0.115 R)
• M15: 13,822,544 km (0.097 R)
• M16: 17,227,990 km (0.087 R)
• M17: 17,858,545 km (0.112 R)
• M18: 21,333,255 km (0.056 R)
• M19: 22,897,300 km (0.101 R)
• M20: 23,371,376 km (0.113 R)
• M21: 26,980,874 km (0.078 R)
• M22: 28,153,721 km (0.112 R)
• M23: 30,372,706 km (0.106 R)
• M24: 34,038,153 km (0.086 R)
• M25: 34,904,774 km (0.065 R)
• M26: 38,385,617 km (0.088 R)
• M27: 40,553,739 km (0.079 R)
• M28: 46,631,003 km (0.116 R)
• M29: 47,545,943 km (0.116 R)
• M30: 49,885,355 km (0.064 R)
• M31: 50,842,332 km (0.094 R)
• M32: 55,810,926 km (0.104 R)
• M33: 56,842,105 km (0.107 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 20,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit