🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 11.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.82 AU - 1.18 AU

Year: 703 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,394,676 km

• M1: 154,535 km (0.119 R)
• M2: 803,640 km (0.092 R)
• M3: 1,187,209 km (0.061 R)
• M4: 1,608,626 km (0.106 R)
• M5: 2,275,982 km (0.03 R)
• M6: 2,785,961 km (0.067 R)
• M7: 3,597,230 km (0.112 R)
• M8: 3,968,981 km (0.119 R)
• M9: 4,712,632 km (0.113 R)
• M10: 5,142,876 km (0.102 R)
• M11: 5,564,442 km (0.12 R)
• M12: 6,027,448 km (0.109 R)
• M13: 6,632,721 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.6

Radius: 15

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.03 AU - 1.71 AU

Year: 1127 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,394,676 km

• M1: 187,297 km (0.083 R)
• M2: 823,835 km (0.08 R)
• M3: 1,618,799 km (0.083 R)
• M4: 2,468,814 km (0.102 R)
• M5: 3,036,238 km (0.091 R)
• M6: 3,678,013 km (0.112 R)
• M7: 4,224,793 km (0.078 R)
• M8: 4,887,512 km (0.049 R)
• M9: 6,237,932 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 9.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.2 AU - 1.66 AU

Year: 1202 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,394,676 km

• M1: 121,324 km (0.075 R)
• M2: 560,094 km (0.094 R)
• M3: 1,288,935 km (0.093 R)
• M4: 1,970,503 km (0.096 R)
• M5: 3,833,146 km (0.101 R)
• M6: 4,753,024 km (0.036 R)
• M7: 5,296,213 km (0.098 R)
• M8: 6,269,796 km (0.087 R)
• M9: 7,920,459 km (0.106 R)
• M10: 8,367,757 km (0.09 R)
• M11: 10,002,712 km (0.056 R)
• M12: 10,393,162 km (0.062 R)
• M13: 10,861,553 km (0.111 R)

Asteroid Belt

Center: 1.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 12.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.14 AU - 2.48 AU

Year: 2468 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,394,676 km

• M1: 167,250 km (0.115 R)
• M2: 604,525 km (0.065 R)
• M3: 1,035,217 km (0.08 R)
• M4: 1,601,595 km (0.086 R)
• M5: 2,383,692 km (0.088 R)
• M6: 3,103,258 km (0.037 R)
• M7: 4,560,341 km (0.079 R)
• M8: 5,041,299 km (0.044 R)
• M9: 6,483,721 km (0.082 R)
• M10: 8,337,239 km (0.118 R)
• M11: 8,835,400 km (0.074 R)
• M12: 9,254,723 km (0.079 R)
• M13: 10,882,946 km (0.105 R)
• M14: 11,402,948 km (0.109 R)
• M15: 11,823,169 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.4

Radius: 3.2

Gravity: 42.23 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.18 AU - 6.76 AU

Year: 8993 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,394,676 km

• M1: 75,846 km (0.113 R)
• M2: 259,253 km (0.052 R)
• M3: 523,892 km (0.112 R)
• M4: 809,923 km (0.077 R)
• M5: 1,073,066 km (0.114 R)
• M6: 1,341,444 km (0.12 R)
• M7: 1,570,628 km (0.079 R)
• M8: 2,139,698 km (0.112 R)
• M9: 2,275,084 km (0.034 R)
• M10: 2,735,547 km (0.106 R)
• M11: 3,082,464 km (0.105 R)
• M12: 4,378,730 km (0.117 R)
• M13: 4,823,335 km (0.108 R)
• M14: 4,968,295 km (0.073 R)
• M15: 6,406,678 km (0.119 R)
• M16: 6,832,584 km (0.066 R)
• M17: 7,201,641 km (0.098 R)
• M18: 7,545,118 km (0.082 R)
• M19: 7,661,954 km (0.061 R)
• M20: 8,060,184 km (0.041 R)
• M21: 9,654,299 km (0.1 R)
• M22: 12,666,003 km (0.12 R)
• M23: 14,382,938 km (0.114 R)
• M24: 18,200,077 km (0.101 R)
• M25: 18,410,412 km (0.112 R)
• M26: 28,782,780 km (0.11 R)
• M27: 33,791,466 km (0.087 R)
• M28: 35,074,418 km (0.093 R)
• M29: 35,182,726 km (0.033 R)
• M30: 35,291,334 km (0.108 R)
• M31: 37,850,804 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.8

Radius: 7.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.35 AU - 11.59 AU

Year: 22128 Days

Day: 21.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 103.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,394,676 km

• M1: 219,759 km (0.1 R)
• M2: 609,013 km (0.116 R)
• M3: 1,036,115 km (0.079 R)
• M4: 1,568,384 km (0.083 R)
• M5: 2,664,188 km (0.061 R)
• M6: 3,419,658 km (0.115 R)
• M7: 5,443,418 km (0.071 R)
• M8: 6,044,502 km (0.038 R)
• M9: 8,241,646 km (0.06 R)
• M10: 9,401,628 km (0.045 R)
• M11: 13,530,978 km (0.071 R)
• M12: 15,856,327 km (0.073 R)
• M13: 18,878,802 km (0.055 R)
• M14: 28,022,374 km (0.117 R)
• M15: 33,048,264 km (0.118 R)
• M16: 36,404,642 km (0.026 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 11,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit