🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.55 AU - 0.71 AU

Year: 210 Days

Day: 17.1 Hours

Environment

Temp: 34 °C

Axial Tilt: 4.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 83,461,104 km

• M1: 22,140 km (0.098 R)
• M2: 73,752 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.29 AU - 3.05 AU

Year: 1828 Days

Day: 19 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.5

Radius: 14.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.68 AU - 4.74 AU

Year: 3619 Days

Day: 12.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,461,104 km

• M1: 181,761 km (0.064 R)
• M2: 747,241 km (0.052 R)
• M3: 1,546,842 km (0.099 R)
• M4: 2,337,616 km (0.116 R)
• M5: 3,405,296 km (0.11 R)
• M6: 3,874,435 km (0.111 R)
• M7: 4,993,577 km (0.094 R)
• M8: 6,120,198 km (0.097 R)
• M9: 6,669,372 km (0.105 R)
• M10: 8,766,585 km (0.085 R)
• M11: 10,163,231 km (0.077 R)
• M12: 11,703,939 km (0.084 R)
• M13: 16,367,353 km (0.076 R)
• M14: 18,837,364 km (0.062 R)
• M15: 19,941,695 km (0.049 R)
• M16: 21,284,187 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.4

Radius: 13.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.32 AU - 7.8 AU

Year: 7039 Days

Day: 14.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,461,104 km

• M1: 180,415 km (0.107 R)
• M2: 677,529 km (0.109 R)
• M3: 1,126,622 km (0.109 R)
• M4: 1,635,703 km (0.118 R)
• M5: 2,965,329 km (0.114 R)
• M6: 5,421,726 km (0.065 R)
• M7: 7,895,028 km (0.107 R)
• M8: 8,336,042 km (0.11 R)
• M9: 9,120,085 km (0.101 R)
• M10: 9,836,359 km (0.066 R)
• M11: 10,347,834 km (0.067 R)
• M12: 11,169,426 km (0.103 R)
• M13: 11,770,061 km (0.089 R)
• M14: 13,177,029 km (0.045 R)
• M15: 13,848,125 km (0.038 R)
• M16: 14,491,546 km (0.114 R)
• M17: 15,731,862 km (0.091 R)
• M18: 18,959,885 km (0.079 R)
• M19: 19,445,928 km (0.084 R)
• M20: 20,825,220 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.8

Radius: 13

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.59 AU - 8.59 AU

Year: 10548 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,461,104 km

• M1: 162,463 km (0.078 R)
• M2: 796,010 km (0.099 R)
• M3: 2,090,929 km (0.117 R)
• M4: 4,258,004 km (0.119 R)
• M5: 4,937,627 km (0.077 R)
• M6: 6,092,074 km (0.091 R)
• M7: 9,681,525 km (0.072 R)
• M8: 10,366,235 km (0.095 R)
• M9: 11,540,429 km (0.091 R)
• M10: 18,138,891 km (0.041 R)
• M11: 26,587,730 km (0.102 R)
• M12: 28,353,584 km (0.083 R)
• M13: 29,537,052 km (0.095 R)
• M14: 32,349,044 km (0.106 R)
• M15: 32,814,891 km (0.094 R)
• M16: 35,212,048 km (0.106 R)
• M17: 38,110,506 km (0.086 R)
• M18: 40,487,018 km (0.115 R)
• M19: 41,437,413 km (0.079 R)
• M20: 44,521,374 km (0.106 R)
• M21: 46,858,242 km (0.068 R)
• M22: 47,604,885 km (0.077 R)
• M23: 48,663,739 km (0.082 R)
• M24: 53,541,826 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 14.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.51 AU - 10.35 AU

Year: 11180 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,461,104 km

• M1: 195,524 km (0.089 R)
• M2: 758,910 km (0.082 R)
• M3: 1,216,979 km (0.085 R)
• M4: 2,488,411 km (0.032 R)
• M5: 2,998,540 km (0.109 R)
• M6: 3,728,727 km (0.093 R)
• M7: 5,783,454 km (0.101 R)
• M8: 6,802,963 km (0.073 R)
• M9: 7,685,591 km (0.066 R)
• M10: 13,529,931 km (0.08 R)
• M11: 15,590,940 km (0.052 R)
• M12: 17,124,468 km (0.087 R)
• M13: 17,780,006 km (0.111 R)
• M14: 21,146,108 km (0.099 R)
• M15: 22,414,249 km (0.111 R)
• M16: 29,112,793 km (0.117 R)
• M17: 30,469,047 km (0.12 R)
• M18: 32,971,072 km (0.098 R)
• M19: 35,255,730 km (0.057 R)
• M20: 36,317,426 km (0.096 R)
• M21: 37,279,041 km (0.054 R)
• M22: 41,426,044 km (0.108 R)
• M23: 44,628,635 km (0.103 R)
• M24: 46,010,471 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.5

Radius: 7.4

Gravity: 17.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.71 AU - 15.31 AU

Year: 19661 Days

Day: 20.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,461,104 km

• M1: 92,152 km (0.104 R)
• M2: 427,102 km (0.088 R)
• M3: 758,910 km (0.068 R)
• M4: 1,273,527 km (0.095 R)
• M5: 1,661,135 km (0.11 R)
• M6: 3,456,309 km (0.048 R)
• M7: 4,383,816 km (0.103 R)
• M8: 4,702,908 km (0.058 R)
• M9: 5,508,044 km (0.089 R)
• M10: 6,446,771 km (0.052 R)
• M11: 10,513,140 km (0.09 R)
• M12: 11,679,704 km (0.12 R)
• M13: 19,295,732 km (0.118 R)
• M14: 25,960,466 km (0.099 R)
• M15: 29,180,710 km (0.103 R)
• M16: 30,950,752 km (0.119 R)
• M17: 33,060,082 km (0.086 R)
• M18: 39,654,955 km (0.079 R)
• M19: 45,057,383 km (0.081 R)
• M20: 46,396,284 km (0.088 R)
• M21: 50,571,710 km (0.065 R)
• M22: 52,934,608 km (0.073 R)
• M23: 62,091,793 km (0.057 R)
• M24: 67,801,645 km (0.116 R)
• M25: 69,337,117 km (0.076 R)
• M26: 71,570,613 km (0.112 R)
• M27: 78,318,375 km (0.099 R)
• M28: 80,008,382 km (0.096 R)
• M29: 82,464,629 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 19,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit