🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.73 AU - 0.91 AU

Year: 339 Days

Day: 45.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,857,740 km

• M1: 37,848 km (0.096 R)

Asteroid Belt

Center: 1.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 10.6

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.79 AU - 2.91 AU

Year: 1645 Days

Day: 9.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,857,740 km

• M1: 131,796 km (0.08 R)
• M2: 522,845 km (0.085 R)
• M3: 921,373 km (0.083 R)
• M4: 1,430,305 km (0.072 R)
• M5: 1,862,194 km (0.057 R)
• M6: 2,271,943 km (0.068 R)
• M7: 2,755,294 km (0.068 R)
• M8: 3,447,483 km (0.108 R)
• M9: 3,809,510 km (0.068 R)
• M10: 4,400,421 km (0.085 R)
• M11: 4,767,834 km (0.082 R)
• M12: 5,833,868 km (0.102 R)
• M13: 6,595,321 km (0.098 R)
• M14: 7,026,163 km (0.075 R)
• M15: 7,638,766 km (0.076 R)
• M16: 8,114,338 km (0.096 R)
• M17: 9,032,271 km (0.032 R)
• M18: 10,017,971 km (0.075 R)
• M19: 10,485,913 km (0.071 R)
• M20: 11,941,201 km (0.1 R)
• M21: 12,315,645 km (0.089 R)
• M22: 12,697,867 km (0.101 R)
• M23: 13,088,168 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 9

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.05 AU - 3.47 AU

Year: 2687 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,857,740 km

• M1: 112,198 km (0.115 R)
• M2: 474,375 km (0.119 R)
• M3: 1,103,135 km (0.092 R)
• M4: 1,622,688 km (0.098 R)
• M5: 2,242,173 km (0.039 R)
• M6: 2,576,524 km (0.042 R)
• M7: 3,184,639 km (0.102 R)
• M8: 5,487,998 km (0.114 R)
• M9: 5,908,817 km (0.093 R)
• M10: 6,934,609 km (0.112 R)
• M11: 7,426,936 km (0.117 R)
• M12: 8,724,847 km (0.105 R)
• M13: 9,152,996 km (0.069 R)
• M14: 10,206,764 km (0.117 R)
• M15: 11,048,700 km (0.079 R)
• M16: 11,339,519 km (0.102 R)
• M17: 12,286,623 km (0.094 R)
• M18: 12,734,070 km (0.073 R)
• M19: 13,099,986 km (0.11 R)
• M20: 13,425,811 km (0.033 R)
• M21: 17,154,388 km (0.109 R)
• M22: 21,715,029 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 10.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.26 AU - 5.7 AU

Year: 5074 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,857,740 km

• M1: 125,662 km (0.118 R)
• M2: 558,000 km (0.026 R)
• M3: 1,163,722 km (0.079 R)
• M4: 1,553,723 km (0.079 R)
• M5: 1,899,295 km (0.077 R)
• M6: 2,396,109 km (0.106 R)
• M7: 2,978,045 km (0.07 R)
• M8: 3,651,684 km (0.085 R)
• M9: 4,073,400 km (0.049 R)
• M10: 4,423,759 km (0.067 R)
• M11: 4,821,539 km (0.092 R)
• M12: 5,507,595 km (0.114 R)
• M13: 6,128,127 km (0.114 R)
• M14: 8,960,164 km (0.11 R)
• M15: 10,967,917 km (0.042 R)
• M16: 11,649,336 km (0.072 R)
• M17: 12,777,005 km (0.113 R)
• M18: 14,258,622 km (0.096 R)
• M19: 15,248,361 km (0.05 R)
• M20: 15,669,031 km (0.1 R)
• M21: 16,408,044 km (0.097 R)
• M22: 17,757,118 km (0.106 R)
• M23: 26,137,890 km (0.12 R)
• M24: 31,707,867 km (0.076 R)
• M25: 33,491,522 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 13.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.95 AU - 6.81 AU

Year: 6510 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,857,740 km

• M1: 164,258 km (0.054 R)
• M2: 616,493 km (0.12 R)
• M3: 1,509,293 km (0.111 R)
• M4: 2,132,817 km (0.107 R)
• M5: 2,767,112 km (0.06 R)
• M6: 5,032,622 km (0.1 R)
• M7: 6,130,670 km (0.093 R)
• M8: 9,547,785 km (0.118 R)
• M9: 14,247,402 km (0.055 R)
• M10: 16,365,857 km (0.11 R)
• M11: 17,296,655 km (0.079 R)
• M12: 23,387,832 km (0.11 R)
• M13: 25,611,754 km (0.12 R)
• M14: 26,144,472 km (0.072 R)
• M15: 29,788,526 km (0.087 R)
• M16: 31,782,816 km (0.12 R)
• M17: 32,708,677 km (0.115 R)
• M18: 34,184,460 km (0.104 R)
• M19: 34,614,255 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 14.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.95 AU - 6.89 AU

Year: 6576 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,857,740 km

• M1: 176,675 km (0.116 R)
• M2: 994,377 km (0.051 R)
• M3: 1,801,607 km (0.093 R)
• M4: 2,788,205 km (0.096 R)
• M5: 3,239,691 km (0.046 R)
• M6: 4,316,048 km (0.092 R)
• M7: 4,823,933 km (0.106 R)
• M8: 7,471,217 km (0.085 R)
• M9: 7,956,662 km (0.109 R)
• M10: 8,914,238 km (0.029 R)
• M11: 9,540,903 km (0.093 R)
• M12: 11,969,176 km (0.087 R)
• M13: 12,490,824 km (0.107 R)
• M14: 13,835,858 km (0.091 R)
• M15: 14,838,762 km (0.069 R)
• M16: 16,578,436 km (0.077 R)
• M17: 19,340,910 km (0.071 R)
• M18: 20,594,690 km (0.104 R)
• M19: 21,552,715 km (0.1 R)
• M20: 22,900,143 km (0.118 R)
• M21: 23,557,775 km (0.086 R)
• M22: 24,303,072 km (0.081 R)
• M23: 26,156,141 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.3

Radius: 4.2

Gravity: 20.54 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.51 AU - 10.59 AU

Year: 13474 Days

Day: 16 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,857,740 km

• M1: 60,587 km (0.116 R)
• M2: 276,158 km (0.12 R)
• M3: 612,154 km (0.072 R)
• M4: 781,499 km (0.059 R)
• M5: 1,100,292 km (0.095 R)
• M6: 1,486,853 km (0.037 R)
• M7: 2,237,835 km (0.103 R)
• M8: 2,583,256 km (0.103 R)
• M9: 2,919,402 km (0.046 R)
• M10: 3,379,865 km (0.045 R)
• M11: 4,863,277 km (0.101 R)
• M12: 5,474,684 km (0.118 R)
• M13: 5,746,802 km (0.077 R)
• M14: 5,956,838 km (0.087 R)
• M15: 6,887,636 km (0.085 R)
• M16: 7,408,087 km (0.091 R)
• M17: 9,126,517 km (0.083 R)
• M18: 9,902,481 km (0.064 R)
• M19: 10,153,806 km (0.092 R)
• M20: 11,201,589 km (0.118 R)
• M21: 11,976,506 km (0.049 R)
• M22: 14,132,511 km (0.11 R)
• M23: 17,030,371 km (0.072 R)
• M24: 21,366,465 km (0.051 R)
• M25: 23,430,467 km (0.114 R)
• M26: 29,369,952 km (0.097 R)
• M27: 30,413,247 km (0.12 R)
• M28: 34,030,972 km (0.052 R)
• M29: 38,047,675 km (0.107 R)
• M30: 43,031,080 km (0.109 R)
• M31: 43,164,222 km (0.117 R)
• M32: 44,239,681 km (0.109 R)
• M33: 45,609,100 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.6

Radius: 6.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 10.37 AU - 16.35 AU

Year: 22295 Days

Day: 22.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 139.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,857,740 km

• M1: 75,996 km (0.11 R)
• M2: 358,137 km (0.092 R)
• M3: 1,413,700 km (0.116 R)
• M4: 1,907,373 km (0.112 R)
• M5: 2,411,069 km (0.118 R)
• M6: 2,631,726 km (0.099 R)
• M7: 2,976,848 km (0.065 R)
• M8: 3,231,314 km (0.03 R)
• M9: 3,475,159 km (0.106 R)
• M10: 4,728,489 km (0.094 R)
• M11: 6,992,204 km (0.079 R)
• M12: 8,000,793 km (0.108 R)
• M13: 8,632,096 km (0.087 R)
• M14: 9,891,860 km (0.085 R)
• M15: 10,095,911 km (0.073 R)
• M16: 10,460,033 km (0.073 R)
• M17: 13,568,676 km (0.101 R)
• M18: 14,662,087 km (0.092 R)
• M19: 15,196,600 km (0.045 R)
• M20: 26,185,013 km (0.11 R)
• M21: 31,030,338 km (0.082 R)
• M22: 31,468,361 km (0.088 R)
• M23: 33,033,903 km (0.09 R)
• M24: 38,795,515 km (0.099 R)
• M25: 46,894,744 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59

Radius: 5.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 13.78 AU - 14.96 AU

Year: 24871 Days

Day: 21.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,857,740 km

• M1: 70,610 km (0.105 R)
• M2: 285,882 km (0.038 R)
• M3: 493,673 km (0.057 R)
• M4: 942,766 km (0.104 R)
• M5: 1,395,150 km (0.116 R)
• M6: 1,741,020 km (0.065 R)
• M7: 1,981,125 km (0.068 R)
• M8: 2,472,554 km (0.067 R)
• M9: 2,958,148 km (0.109 R)
• M10: 4,142,814 km (0.084 R)
• M11: 5,741,417 km (0.094 R)
• M12: 6,659,648 km (0.027 R)
• M13: 8,071,553 km (0.109 R)
• M14: 10,570,436 km (0.035 R)
• M15: 14,785,954 km (0.068 R)
• M16: 15,093,079 km (0.101 R)
• M17: 17,912,699 km (0.075 R)
• M18: 18,261,711 km (0.079 R)
• M19: 22,648,818 km (0.107 R)
• M20: 28,913,828 km (0.108 R)
• M21: 33,324,721 km (0.061 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 13,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit