🌌 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: 466.7

Radius: 12.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.71 AU - 1.01 AU

Year: 523 Days

Day: 7.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,846,470 km

• M1: 155,432 km (0.063 R)
• M2: 569,070 km (0.109 R)
• M3: 1,025,344 km (0.042 R)
• M4: 1,633,310 km (0.107 R)
• M5: 2,159,744 km (0.071 R)
• M6: 2,850,288 km (0.055 R)
• M7: 3,242,384 km (0.118 R)
• M8: 3,834,941 km (0.081 R)
• M9: 4,413,436 km (0.08 R)
• M10: 4,805,981 km (0.061 R)
• M11: 5,237,870 km (0.11 R)
• M12: 5,797,217 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 10.4

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.5 AU - 5.48 AU

Year: 6241 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,846,470 km

• M1: 132,245 km (0.11 R)
• M2: 514,766 km (0.112 R)
• M3: 842,834 km (0.111 R)
• M4: 1,197,531 km (0.086 R)
• M5: 2,342,403 km (0.081 R)
• M6: 3,023,074 km (0.058 R)
• M7: 3,523,778 km (0.086 R)
• M8: 3,854,988 km (0.116 R)
• M9: 4,233,171 km (0.091 R)
• M10: 4,890,205 km (0.089 R)
• M11: 8,257,054 km (0.038 R)
• M12: 11,380,209 km (0.086 R)
• M13: 12,323,125 km (0.037 R)
• M14: 14,304,548 km (0.088 R)
• M15: 14,664,481 km (0.093 R)
• M16: 15,527,661 km (0.109 R)
• M17: 16,100,321 km (0.084 R)
• M18: 17,153,041 km (0.05 R)
• M19: 17,627,715 km (0.105 R)
• M20: 18,041,653 km (0.096 R)
• M21: 18,461,873 km (0.112 R)
• M22: 22,063,891 km (0.097 R)
• M23: 23,444,530 km (0.093 R)
• M24: 23,945,234 km (0.099 R)
• M25: 29,546,178 km (0.116 R)
• M26: 30,822,098 km (0.084 R)
• M27: 31,930,170 km (0.109 R)
• M28: 36,073,283 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.1

Radius: 13.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.18 AU - 5.28 AU

Year: 7846 Days

Day: 13.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,846,470 km

• M1: 165,904 km (0.105 R)
• M2: 1,862,493 km (0.081 R)
• M3: 3,124,052 km (0.114 R)
• M4: 3,659,912 km (0.077 R)
• M5: 5,674,098 km (0.072 R)
• M6: 6,210,556 km (0.104 R)
• M7: 7,451,620 km (0.109 R)
• M8: 11,054,535 km (0.116 R)
• M9: 11,985,033 km (0.109 R)
• M10: 12,446,094 km (0.078 R)
• M11: 14,103,190 km (0.118 R)
• M12: 15,574,934 km (0.102 R)
• M13: 16,973,374 km (0.08 R)
• M14: 18,151,158 km (0.069 R)
• M15: 18,821,806 km (0.081 R)
• M16: 19,319,817 km (0.107 R)
• M17: 19,890,682 km (0.049 R)
• M18: 20,867,108 km (0.115 R)
• M19: 23,627,039 km (0.094 R)
• M20: 24,722,245 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.9

Radius: 7.6

Gravity: 15.61 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.04 AU - 8.56 AU

Year: 14291 Days

Day: 16 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,846,470 km

• M1: 98,136 km (0.052 R)
• M2: 565,630 km (0.115 R)
• M3: 1,684,472 km (0.11 R)
• M4: 4,227,785 km (0.092 R)
• M5: 5,498,021 km (0.079 R)
• M6: 5,999,473 km (0.062 R)
• M7: 8,314,949 km (0.106 R)
• M8: 8,871,752 km (0.09 R)
• M9: 10,517,030 km (0.096 R)
• M10: 10,988,113 km (0.084 R)
• M11: 12,291,559 km (0.093 R)
• M12: 12,814,105 km (0.062 R)
• M13: 15,426,233 km (0.066 R)
• M14: 16,266,375 km (0.06 R)
• M15: 16,579,483 km (0.12 R)
• M16: 25,353,847 km (0.097 R)
• M17: 32,414,717 km (0.119 R)
• M18: 34,945,315 km (0.106 R)
• M19: 43,622,290 km (0.044 R)
• M20: 44,378,807 km (0.056 R)
• M21: 50,749,133 km (0.051 R)
• M22: 56,800,965 km (0.1 R)
• M23: 57,521,728 km (0.117 R)
• M24: 61,785,417 km (0.1 R)
• M25: 63,316,401 km (0.025 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.7

Radius: 8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.38 AU - 11.36 AU

Year: 21907 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,846,470 km

• M1: 161,267 km (0.116 R)
• M2: 551,717 km (0.076 R)
• M3: 1,103,733 km (0.064 R)
• M4: 1,395,898 km (0.095 R)
• M5: 2,691,565 km (0.055 R)
• M6: 3,335,285 km (0.072 R)
• M7: 5,010,631 km (0.073 R)
• M8: 8,414,581 km (0.119 R)
• M9: 11,842,766 km (0.097 R)
• M10: 12,255,955 km (0.037 R)
• M11: 12,785,980 km (0.114 R)
• M12: 13,331,115 km (0.088 R)
• M13: 16,103,313 km (0.101 R)
• M14: 17,325,677 km (0.11 R)
• M15: 26,860,148 km (0.083 R)
• M16: 33,538,646 km (0.075 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: 228 - 11,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit