🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 8.7

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.73 AU - 0.87 AU

Year: 494 Days

Day: 13.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,294,535 km

• M1: 108,159 km (0.06 R)
• M2: 663,766 km (0.12 R)
• M3: 1,603,689 km (0.109 R)
• M4: 2,451,760 km (0.112 R)
• M5: 2,800,173 km (0.068 R)
• M6: 3,597,380 km (0.117 R)
• M7: 3,939,510 km (0.08 R)
• M8: 4,449,041 km (0.094 R)
• M9: 5,531,232 km (0.116 R)
• M10: 5,880,543 km (0.111 R)
• M11: 6,319,313 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 10.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.76 AU - 1.1 AU

Year: 619 Days

Day: 13.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,294,535 km

• M1: 130,001 km (0.113 R)
• M2: 451,486 km (0.069 R)
• M3: 790,475 km (0.102 R)
• M4: 1,436,738 km (0.055 R)
• M5: 1,962,275 km (0.039 R)
• M6: 2,435,154 km (0.098 R)
• M7: 2,777,733 km (0.116 R)
• M8: 3,778,543 km (0.112 R)
• M9: 4,198,315 km (0.054 R)
• M10: 4,604,174 km (0.044 R)
• M11: 5,394,200 km (0.097 R)
• M12: 5,981,372 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 13.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.7 AU - 2.84 AU

Year: 3182 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,294,535 km

• M1: 169,345 km (0.109 R)
• M2: 673,041 km (0.044 R)
• M3: 1,421,030 km (0.091 R)
• M4: 3,014,995 km (0.054 R)
• M5: 3,533,053 km (0.078 R)
• M6: 4,810,170 km (0.085 R)
• M7: 5,284,246 km (0.107 R)
• M8: 6,159,992 km (0.075 R)
• M9: 7,288,408 km (0.117 R)
• M10: 7,916,271 km (0.074 R)
• M11: 9,725,358 km (0.074 R)
• M12: 10,623,842 km (0.103 R)
• M13: 11,181,842 km (0.117 R)
• M14: 12,055,644 km (0.1 R)
• M15: 12,974,623 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.4

Radius: 12.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.53 AU - 6.27 AU

Year: 8662 Days

Day: 5.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,294,535 km

• M1: 150,495 km (0.104 R)
• M2: 1,325,886 km (0.045 R)
• M3: 2,092,276 km (0.061 R)
• M4: 2,508,457 km (0.036 R)
• M5: 2,893,821 km (0.102 R)
• M6: 3,342,764 km (0.084 R)
• M7: 4,584,726 km (0.092 R)
• M8: 5,728,252 km (0.073 R)
• M9: 6,628,083 km (0.076 R)
• M10: 7,414,070 km (0.079 R)
• M11: 11,629,439 km (0.117 R)
• M12: 13,678,182 km (0.073 R)
• M13: 14,497,230 km (0.079 R)
• M14: 15,083,205 km (0.109 R)
• M15: 15,820,723 km (0.089 R)
• M16: 16,865,066 km (0.075 R)
• M17: 17,367,864 km (0.116 R)
• M18: 21,339,089 km (0.106 R)
• M19: 23,402,044 km (0.108 R)
• M20: 27,326,893 km (0.114 R)
• M21: 28,021,177 km (0.117 R)
• M22: 34,233,827 km (0.097 R)
• M23: 41,959,061 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.2

Radius: 4.4

Gravity: 48.56 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8 AU - 8.8 AU

Year: 16805 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 75,294,535 km

• M1: 55,052 km (0.119 R)
• M2: 515,813 km (0.065 R)
• M3: 1,653,804 km (0.056 R)
• M4: 2,296,178 km (0.116 R)
• M5: 3,090,991 km (0.07 R)
• M6: 3,308,357 km (0.068 R)
• M7: 4,483,598 km (0.089 R)
• M8: 4,979,216 km (0.085 R)
• M9: 7,283,172 km (0.114 R)
• M10: 8,906,608 km (0.065 R)
• M11: 9,125,171 km (0.102 R)
• M12: 11,004,419 km (0.112 R)
• M13: 11,705,884 km (0.116 R)
• M14: 13,056,753 km (0.057 R)
• M15: 14,358,553 km (0.115 R)
• M16: 15,272,895 km (0.105 R)
• M17: 18,957,940 km (0.055 R)
• M18: 19,138,205 km (0.116 R)
• M19: 19,963,836 km (0.069 R)
• M20: 21,784,292 km (0.091 R)
• M21: 23,297,475 km (0.091 R)
• M22: 23,921,896 km (0.1 R)
• M23: 24,664,351 km (0.104 R)
• M24: 25,862,031 km (0.083 R)
• M25: 26,531,332 km (0.113 R)
• M26: 29,444,750 km (0.058 R)
• M27: 30,174,339 km (0.083 R)
• M28: 34,137,187 km (0.107 R)
• M29: 35,622,843 km (0.064 R)
• M30: 37,150,836 km (0.072 R)
• M31: 41,387,897 km (0.096 R)
• M32: 45,289,708 km (0.091 R)
• M33: 45,450,675 km (0.105 R)
• M34: 48,246,061 km (0.117 R)
• M35: 49,259,437 km (0.11 R)
• M36: 51,153,945 km (0.06 R)
• M37: 56,194,346 km (0.034 R)
• M38: 58,261,788 km (0.079 R)
• M39: 61,161,893 km (0.065 R)
• M40: 61,555,784 km (0.068 R)
• M41: 62,348,503 km (0.083 R)
• M42: 65,176,501 km (0.116 R)
• M43: 65,381,749 km (0.034 R)
• M44: 73,281,265 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 16,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit