🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.5

Radius: 14.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.73 AU - 0.99 AU

Year: 515 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,319,923 km

• M1: 185,352 km (0.085 R)
• M2: 691,741 km (0.108 R)
• M3: 1,186,760 km (0.113 R)
• M4: 1,703,770 km (0.064 R)
• M5: 2,300,965 km (0.048 R)
• M6: 2,834,132 km (0.105 R)
• M7: 3,414,272 km (0.087 R)
• M8: 4,434,230 km (0.054 R)
• M9: 5,000,758 km (0.113 R)
• M10: 6,011,890 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.2

Radius: 14.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.42 AU - 3.78 AU

Year: 4410 Days

Day: 12.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,319,923 km

• M1: 182,659 km (0.027 R)
• M2: 810,072 km (0.119 R)
• M3: 1,884,484 km (0.079 R)
• M4: 2,490,954 km (0.053 R)
• M5: 3,051,348 km (0.051 R)
• M6: 3,559,831 km (0.081 R)
• M7: 4,497,361 km (0.111 R)
• M8: 5,160,379 km (0.068 R)
• M9: 5,753,085 km (0.103 R)
• M10: 7,516,695 km (0.12 R)
• M11: 9,579,948 km (0.099 R)
• M12: 10,199,433 km (0.113 R)
• M13: 11,734,906 km (0.118 R)
• M14: 12,581,031 km (0.116 R)
• M15: 13,515,270 km (0.118 R)
• M16: 14,495,286 km (0.066 R)
• M17: 15,469,766 km (0.047 R)
• M18: 17,836,255 km (0.054 R)
• M19: 19,015,535 km (0.093 R)
• M20: 21,463,704 km (0.062 R)
• M21: 22,661,833 km (0.081 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.5

Radius: 5.1

Gravity: 27.55 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.35 AU - 10.31 AU

Year: 16942 Days

Day: 22.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 59,319,923 km

• M1: 63,579 km (0.075 R)
• M2: 529,876 km (0.068 R)
• M3: 694,134 km (0.098 R)
• M4: 882,179 km (0.101 R)
• M5: 1,117,197 km (0.108 R)
• M6: 1,334,563 km (0.043 R)
• M7: 1,765,853 km (0.113 R)
• M8: 1,928,765 km (0.099 R)
• M9: 2,101,700 km (0.114 R)
• M10: 8,042,830 km (0.102 R)
• M11: 8,855,296 km (0.052 R)
• M12: 9,833,367 km (0.076 R)
• M13: 10,117,454 km (0.035 R)
• M14: 11,185,283 km (0.119 R)
• M15: 12,590,007 km (0.087 R)
• M16: 13,265,741 km (0.077 R)
• M17: 13,473,083 km (0.073 R)
• M18: 15,361,906 km (0.089 R)
• M19: 17,092,155 km (0.068 R)
• M20: 17,836,105 km (0.052 R)
• M21: 18,687,616 km (0.069 R)
• M22: 19,477,044 km (0.117 R)
• M23: 20,471,571 km (0.066 R)
• M24: 20,656,025 km (0.104 R)
• M25: 22,268,541 km (0.072 R)
• M26: 22,956,242 km (0.084 R)
• M27: 24,581,174 km (0.049 R)
• M28: 28,171,822 km (0.046 R)
• M29: 33,995,667 km (0.088 R)
• M30: 35,038,215 km (0.059 R)
• M31: 37,876,386 km (0.095 R)
• M32: 41,010,162 km (0.095 R)
• M33: 41,893,837 km (0.065 R)
• M34: 43,091,816 km (0.1 R)
• M35: 45,399,064 km (0.106 R)
• M36: 46,028,123 km (0.044 R)
• M37: 49,095,029 km (0.107 R)
• M38: 50,426,001 km (0.108 R)
• M39: 60,803,755 km (0.08 R)
• M40: 61,952,218 km (0.062 R)
• M41: 66,488,624 km (0.094 R)
• M42: 67,503,197 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.2

Radius: 5.8

Gravity: 27.38 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.18 AU - 10.04 AU

Year: 19235 Days

Day: 25 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,319,923 km

• M1: 73,453 km (0.115 R)
• M2: 255,962 km (0.097 R)
• M3: 624,122 km (0.089 R)
• M4: 1,984,715 km (0.09 R)
• M5: 2,235,740 km (0.1 R)
• M6: 3,037,136 km (0.08 R)
• M7: 3,458,703 km (0.062 R)
• M8: 5,226,650 km (0.049 R)
• M9: 6,942,239 km (0.078 R)
• M10: 9,928,511 km (0.088 R)
• M11: 12,244,287 km (0.065 R)
• M12: 16,107,053 km (0.118 R)
• M13: 20,907,798 km (0.102 R)
• M14: 21,807,779 km (0.102 R)
• M15: 25,329,014 km (0.109 R)
• M16: 34,289,178 km (0.105 R)
• M17: 37,398,121 km (0.083 R)
• M18: 41,776,253 km (0.09 R)
• M19: 74,691,823 km (0.097 R)
• M20: 76,788,288 km (0.103 R)
• M21: 77,023,605 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.8

Radius: 5

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.03 AU - 12.41 AU

Year: 22662 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,319,923 km

• M1: 128,804 km (0.058 R)
• M2: 701,764 km (0.046 R)
• M3: 1,308,084 km (0.088 R)
• M4: 1,568,085 km (0.073 R)
• M5: 2,713,257 km (0.081 R)
• M6: 4,547,177 km (0.071 R)
• M7: 4,973,531 km (0.068 R)
• M8: 5,534,373 km (0.093 R)
• M9: 7,514,002 km (0.11 R)
• M10: 12,294,402 km (0.111 R)
• M11: 16,411,036 km (0.093 R)
• M12: 21,271,172 km (0.049 R)
• M13: 22,831,477 km (0.095 R)
• M14: 33,700,660 km (0.06 R)
• M15: 40,307,201 km (0.087 R)
• M16: 41,416,021 km (0.042 R)
• M17: 41,978,060 km (0.106 R)
• M18: 54,480,403 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 13,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit