🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.91 AU - 1.11 AU

Year: 371 Days

Day: 24.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 62,104,101 km

• M1: 28,274 km (0.114 R)
• M2: 445,203 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.42 AU - 1.84 AU

Year: 760 Days

Day: 46.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.72 AU - 2.64 AU

Year: 1176 Days

Day: 25.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855

Radius: 14

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.5 AU - 7.54 AU

Year: 6794 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,104,101 km

• M1: 174,132 km (0.073 R)
• M2: 938,427 km (0.065 R)
• M3: 1,575,415 km (0.115 R)
• M4: 2,930,921 km (0.065 R)
• M5: 4,620,779 km (0.116 R)
• M6: 5,108,019 km (0.098 R)
• M7: 6,925,933 km (0.056 R)
• M8: 11,079,218 km (0.12 R)
• M9: 12,440,858 km (0.091 R)
• M10: 15,621,608 km (0.085 R)
• M11: 19,826,655 km (0.061 R)
• M12: 21,355,395 km (0.082 R)
• M13: 22,229,047 km (0.092 R)
• M14: 23,292,089 km (0.084 R)
• M15: 27,142,589 km (0.074 R)
• M16: 28,073,536 km (0.1 R)
• M17: 29,704,752 km (0.05 R)
• M18: 32,841,071 km (0.099 R)
• M19: 35,636,457 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.9

Radius: 6

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 13.88 AU - 16.13 AU

Year: 21219 Days

Day: 22.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,104,101 km

• M1: 78,240 km (0.076 R)
• M2: 292,464 km (0.081 R)
• M3: 480,209 km (0.063 R)
• M4: 1,115,252 km (0.104 R)
• M5: 1,817,315 km (0.096 R)
• M6: 2,069,387 km (0.073 R)
• M7: 2,365,142 km (0.074 R)
• M8: 2,555,880 km (0.097 R)
• M9: 3,140,807 km (0.099 R)
• M10: 3,868,451 km (0.034 R)
• M11: 4,508,132 km (0.027 R)
• M12: 4,736,269 km (0.103 R)
• M13: 5,467,353 km (0.118 R)
• M14: 10,115,808 km (0.103 R)
• M15: 14,432,903 km (0.111 R)
• M16: 17,585,529 km (0.119 R)
• M17: 23,908,881 km (0.114 R)
• M18: 25,620,281 km (0.11 R)
• M19: 25,826,876 km (0.09 R)
• M20: 26,453,242 km (0.06 R)
• M21: 28,063,364 km (0.083 R)
• M22: 29,851,806 km (0.106 R)
• M23: 31,007,300 km (0.102 R)
• M24: 31,952,908 km (0.12 R)
• M25: 37,500,147 km (0.109 R)
• M26: 37,766,581 km (0.083 R)
• M27: 39,391,363 km (0.113 R)
• M28: 40,921,151 km (0.038 R)
• M29: 41,629,497 km (0.092 R)
• M30: 42,058,394 km (0.083 R)
• M31: 50,940,469 km (0.069 R)
• M32: 54,612,049 km (0.088 R)
• M33: 55,126,067 km (0.115 R)
• M34: 58,994,070 km (0.096 R)
• M35: 61,732,609 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 15,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit