🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 11.2

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.46 AU - 0.58 AU

Year: 264 Days

Day: 12.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,738,386 km

• M1: 139,276 km (0.062 R)
• M2: 509,979 km (0.11 R)
• M3: 913,893 km (0.097 R)
• M4: 1,330,374 km (0.101 R)
• M5: 1,686,866 km (0.113 R)
• M6: 2,092,575 km (0.084 R)
• M7: 2,655,063 km (0.076 R)
• M8: 3,094,582 km (0.098 R)
• M9: 3,503,433 km (0.113 R)
• M10: 4,146,703 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 13.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.56 AU - 0.66 AU

Year: 335 Days

Day: 8.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,738,386 km

• M1: 170,392 km (0.091 R)
• M2: 625,768 km (0.075 R)
• M3: 1,236,277 km (0.112 R)
• M4: 1,672,205 km (0.1 R)
• M5: 2,388,629 km (0.067 R)
• M6: 3,032,648 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 12.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.83 AU - 2.73 AU

Year: 2420 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,738,386 km

• M1: 159,471 km (0.086 R)
• M2: 704,456 km (0.109 R)
• M3: 1,377,946 km (0.097 R)
• M4: 2,127,431 km (0.092 R)
• M5: 2,567,847 km (0.082 R)
• M6: 3,150,980 km (0.106 R)
• M7: 4,191,284 km (0.044 R)
• M8: 4,649,801 km (0.112 R)
• M9: 5,211,391 km (0.076 R)
• M10: 5,818,011 km (0.058 R)
• M11: 6,690,615 km (0.092 R)
• M12: 9,168,106 km (0.091 R)
• M13: 9,981,320 km (0.089 R)
• M14: 10,537,076 km (0.057 R)
• M15: 12,204,194 km (0.065 R)
• M16: 12,668,396 km (0.105 R)
• M17: 13,364,924 km (0.084 R)
• M18: 17,875,749 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.3

Radius: 13.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.43 AU - 2.95 AU

Year: 3101 Days

Day: 12.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,738,386 km

• M1: 171,738 km (0.073 R)
• M2: 746,194 km (0.089 R)
• M3: 1,307,785 km (0.043 R)
• M4: 1,917,097 km (0.052 R)
• M5: 2,509,953 km (0.104 R)
• M6: 2,977,446 km (0.11 R)
• M7: 3,659,314 km (0.032 R)
• M8: 4,627,212 km (0.106 R)
• M9: 5,337,203 km (0.115 R)
• M10: 7,546,764 km (0.104 R)
• M11: 8,012,462 km (0.097 R)
• M12: 9,186,805 km (0.082 R)
• M13: 9,757,222 km (0.054 R)
• M14: 10,969,264 km (0.087 R)
• M15: 11,524,721 km (0.089 R)
• M16: 12,009,268 km (0.117 R)
• M17: 12,599,581 km (0.086 R)
• M18: 13,114,049 km (0.09 R)
• M19: 14,235,285 km (0.102 R)
• M20: 15,954,613 km (0.111 R)
• M21: 18,338,156 km (0.1 R)
• M22: 19,060,713 km (0.113 R)
• M23: 21,940,772 km (0.105 R)
• M24: 23,379,305 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 10.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.57 AU - 3.39 AU

Year: 3616 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 144.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,738,386 km

• M1: 131,796 km (0.091 R)
• M2: 480,508 km (0.054 R)
• M3: 835,953 km (0.105 R)
• M4: 1,172,997 km (0.09 R)
• M5: 1,517,670 km (0.12 R)
• M6: 1,931,009 km (0.091 R)
• M7: 2,346,742 km (0.116 R)
• M8: 3,092,038 km (0.051 R)
• M9: 3,510,912 km (0.12 R)
• M10: 4,009,073 km (0.073 R)
• M11: 5,222,162 km (0.064 R)
• M12: 5,791,981 km (0.097 R)
• M13: 6,843,803 km (0.115 R)
• M14: 10,359,653 km (0.118 R)
• M15: 13,030,872 km (0.074 R)
• M16: 14,725,966 km (0.105 R)
• M17: 15,652,874 km (0.102 R)
• M18: 20,499,247 km (0.092 R)
• M19: 20,943,403 km (0.051 R)
• M20: 22,314,467 km (0.107 R)

Asteroid Belt

Center: 4.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.3

Radius: 5.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.36 AU - 7.44 AU

Year: 11381 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,738,386 km

• M1: 73,453 km (0.087 R)
• M2: 427,551 km (0.048 R)
• M3: 930,200 km (0.119 R)
• M4: 1,809,237 km (0.096 R)
• M5: 2,012,540 km (0.119 R)
• M6: 2,296,776 km (0.098 R)
• M7: 2,887,239 km (0.044 R)
• M8: 3,420,107 km (0.03 R)
• M9: 3,920,063 km (0.066 R)
• M10: 4,313,505 km (0.056 R)
• M11: 5,236,673 km (0.078 R)
• M12: 6,090,578 km (0.04 R)
• M13: 8,109,401 km (0.092 R)
• M14: 8,464,547 km (0.103 R)
• M15: 9,121,281 km (0.105 R)
• M16: 9,376,196 km (0.058 R)
• M17: 10,305,797 km (0.119 R)
• M18: 11,589,347 km (0.058 R)
• M19: 11,788,163 km (0.095 R)
• M20: 14,241,568 km (0.088 R)
• M21: 14,816,622 km (0.099 R)
• M22: 16,136,225 km (0.101 R)
• M23: 16,951,832 km (0.112 R)
• M24: 20,345,460 km (0.086 R)
• M25: 21,896,491 km (0.097 R)
• M26: 22,277,217 km (0.116 R)
• M27: 23,604,450 km (0.096 R)
• M28: 24,004,624 km (0.057 R)
• M29: 24,900,865 km (0.111 R)
• M30: 25,232,224 km (0.075 R)
• M31: 26,846,684 km (0.089 R)
• M32: 33,088,805 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.3

Radius: 3.8

Gravity: 50.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.73 AU - 7.33 AU

Year: 13102 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,738,386 km

• M1: 49,218 km (0.109 R)
• M2: 182,210 km (0.109 R)
• M3: 590,762 km (0.11 R)
• M4: 1,449,304 km (0.109 R)
• M5: 2,195,050 km (0.09 R)
• M6: 2,374,417 km (0.115 R)
• M7: 2,520,724 km (0.107 R)
• M8: 2,650,874 km (0.107 R)
• M9: 3,293,248 km (0.095 R)
• M10: 4,364,518 km (0.101 R)
• M11: 4,746,292 km (0.091 R)
• M12: 4,911,747 km (0.109 R)
• M13: 5,254,176 km (0.085 R)
• M14: 5,797,366 km (0.096 R)
• M15: 6,701,685 km (0.116 R)
• M16: 7,037,084 km (0.045 R)
• M17: 9,237,818 km (0.108 R)
• M18: 10,916,456 km (0.111 R)
• M19: 12,472,722 km (0.09 R)
• M20: 13,368,963 km (0.057 R)
• M21: 13,832,866 km (0.088 R)
• M22: 15,943,094 km (0.099 R)
• M23: 16,165,247 km (0.112 R)
• M24: 18,911,714 km (0.103 R)
• M25: 20,876,383 km (0.095 R)
• M26: 21,320,838 km (0.116 R)
• M27: 23,446,773 km (0.109 R)
• M28: 24,315,638 km (0.113 R)
• M29: 26,737,478 km (0.057 R)
• M30: 28,006,517 km (0.117 R)
• M31: 29,094,243 km (0.079 R)
• M32: 31,238,130 km (0.092 R)
• M33: 35,333,072 km (0.045 R)
• M34: 41,842,524 km (0.116 R)
• M35: 48,950,966 km (0.095 R)
• M36: 49,263,327 km (0.077 R)
• M37: 52,135,905 km (0.047 R)
• M38: 52,789,049 km (0.104 R)
• M39: 54,949,392 km (0.056 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 16,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit