🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.47 AU - 0.59 AU

Year: 249 Days

Day: 37.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,017,092 km

• M1: 594,502 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 10.5

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.69 AU - 0.71 AU

Year: 378 Days

Day: 12.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,017,092 km

• M1: 132,245 km (0.08 R)
• M2: 475,721 km (0.072 R)
• M3: 864,825 km (0.112 R)
• M4: 1,236,576 km (0.102 R)
• M5: 1,709,006 km (0.104 R)
• M6: 2,392,070 km (0.105 R)
• M7: 3,145,146 km (0.116 R)
• M8: 3,747,277 km (0.104 R)
• M9: 4,762,598 km (0.093 R)
• M10: 5,102,185 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 13.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.35 AU - 1.65 AU

Year: 1186 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,017,092 km

• M1: 171,589 km (0.089 R)
• M2: 766,240 km (0.08 R)
• M3: 1,299,407 km (0.082 R)
• M4: 1,870,123 km (0.108 R)
• M5: 2,345,395 km (0.112 R)
• M6: 2,835,927 km (0.115 R)
• M7: 4,267,279 km (0.084 R)
• M8: 6,003,063 km (0.032 R)
• M9: 6,667,427 km (0.074 R)
• M10: 7,178,753 km (0.11 R)
• M11: 8,062,278 km (0.088 R)
• M12: 8,872,201 km (0.119 R)
• M13: 9,401,777 km (0.111 R)
• M14: 10,077,661 km (0.041 R)
• M15: 10,621,898 km (0.113 R)
• M16: 11,769,612 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.2

Radius: 13.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.59 AU - 2.11 AU

Year: 1625 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,017,092 km

• M1: 172,935 km (0.109 R)
• M2: 645,515 km (0.109 R)
• M3: 1,249,890 km (0.092 R)
• M4: 2,036,177 km (0.06 R)
• M5: 2,568,446 km (0.04 R)
• M6: 3,178,805 km (0.115 R)
• M7: 3,850,350 km (0.105 R)
• M8: 4,368,258 km (0.106 R)
• M9: 4,831,862 km (0.064 R)
• M10: 5,457,779 km (0.074 R)
• M11: 7,053,091 km (0.113 R)
• M12: 7,557,535 km (0.103 R)
• M13: 8,171,933 km (0.115 R)
• M14: 10,418,744 km (0.059 R)
• M15: 10,899,551 km (0.101 R)
• M16: 12,017,047 km (0.11 R)
• M17: 12,469,581 km (0.1 R)
• M18: 12,972,828 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 10.3

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.56 AU - 4.8 AU

Year: 6537 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,017,092 km

• M1: 128,056 km (0.111 R)
• M2: 979,118 km (0.054 R)
• M3: 1,466,957 km (0.051 R)
• M4: 2,474,349 km (0.096 R)
• M5: 3,170,278 km (0.096 R)
• M6: 3,767,922 km (0.105 R)
• M7: 4,493,920 km (0.119 R)
• M8: 4,978,617 km (0.059 R)
• M9: 5,593,165 km (0.099 R)
• M10: 6,862,952 km (0.072 R)
• M11: 8,526,779 km (0.101 R)
• M12: 9,407,013 km (0.042 R)
• M13: 9,963,667 km (0.077 R)
• M14: 13,600,391 km (0.098 R)
• M15: 14,312,477 km (0.099 R)
• M16: 15,682,345 km (0.052 R)
• M17: 17,342,732 km (0.047 R)
• M18: 21,009,824 km (0.063 R)
• M19: 22,858,405 km (0.11 R)
• M20: 23,950,021 km (0.105 R)
• M21: 24,638,769 km (0.039 R)
• M22: 26,509,640 km (0.106 R)
• M23: 28,569,453 km (0.098 R)
• M24: 29,736,766 km (0.096 R)
• M25: 30,432,246 km (0.101 R)
• M26: 32,166,385 km (0.074 R)
• M27: 32,793,948 km (0.075 R)
• M28: 37,532,311 km (0.112 R)
• M29: 40,487,168 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.5

Radius: 3.1

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.22 AU - 12.68 AU

Year: 21812 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,017,092 km

• M1: 39,045 km (0.107 R)
• M2: 222,153 km (0.11 R)
• M3: 532,868 km (0.11 R)
• M4: 1,089,072 km (0.088 R)
• M5: 1,844,542 km (0.111 R)
• M6: 3,181,797 km (0.045 R)
• M7: 3,367,149 km (0.067 R)
• M8: 3,836,138 km (0.112 R)
• M9: 3,940,109 km (0.109 R)
• M10: 4,181,111 km (0.081 R)
• M11: 4,488,983 km (0.117 R)
• M12: 5,635,352 km (0.053 R)
• M13: 8,619,231 km (0.063 R)
• M14: 8,979,313 km (0.089 R)
• M15: 9,209,245 km (0.051 R)
• M16: 11,246,020 km (0.08 R)
• M17: 12,624,864 km (0.074 R)
• M18: 18,370,319 km (0.115 R)
• M19: 21,886,767 km (0.037 R)
• M20: 25,003,639 km (0.025 R)
• M21: 25,734,275 km (0.035 R)
• M22: 28,108,991 km (0.095 R)
• M23: 30,316,308 km (0.084 R)
• M24: 31,567,544 km (0.032 R)
• M25: 32,313,140 km (0.116 R)
• M26: 34,958,479 km (0.106 R)
• M27: 37,983,348 km (0.088 R)
• M28: 38,223,004 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 10,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit