🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 8.6

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 8.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,718,039 km

• M1: 106,962 km (0.109 R)
• M2: 387,309 km (0.119 R)
• M3: 671,844 km (0.079 R)
• M4: 975,528 km (0.104 R)
• M5: 1,354,160 km (0.026 R)
• M6: 1,636,601 km (0.068 R)
• M7: 1,935,348 km (0.089 R)
• M8: 2,340,608 km (0.064 R)
• M9: 2,683,487 km (0.104 R)
• M10: 4,309,466 km (0.071 R)
• M11: 4,626,613 km (0.075 R)
• M12: 5,078,698 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 9.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.88 AU - 1.12 AU

Year: 690 Days

Day: 14.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,718,039 km

• M1: 118,182 km (0.104 R)
• M2: 457,919 km (0.042 R)
• M3: 822,489 km (0.12 R)
• M4: 1,146,967 km (0.049 R)
• M5: 1,638,545 km (0.099 R)
• M6: 2,125,038 km (0.068 R)
• M7: 2,523,267 km (0.109 R)
• M8: 3,388,392 km (0.071 R)
• M9: 4,166,151 km (0.102 R)
• M10: 4,933,738 km (0.111 R)
• M11: 5,992,143 km (0.111 R)
• M12: 6,704,528 km (0.108 R)
• M13: 7,613,933 km (0.088 R)
• M14: 8,123,164 km (0.115 R)
• M15: 8,732,925 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 14.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.22 AU - 1.94 AU

Year: 1371 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,718,039 km

• M1: 178,021 km (0.119 R)
• M2: 632,051 km (0.097 R)
• M3: 1,274,125 km (0.113 R)
• M4: 1,962,275 km (0.12 R)
• M5: 2,423,934 km (0.12 R)
• M6: 5,058,652 km (0.094 R)
• M7: 5,508,942 km (0.112 R)
• M8: 6,075,768 km (0.076 R)
• M9: 6,633,319 km (0.063 R)
• M10: 7,665,395 km (0.1 R)
• M11: 8,458,264 km (0.09 R)
• M12: 9,456,829 km (0.117 R)
• M13: 11,478,345 km (0.091 R)
• M14: 12,115,932 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 14.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.55 AU - 2.01 AU

Year: 1639 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,718,039 km

• M1: 185,501 km (0.114 R)
• M2: 1,113,756 km (0.102 R)
• M3: 1,581,249 km (0.115 R)
• M4: 2,150,918 km (0.108 R)
• M5: 2,686,479 km (0.055 R)
• M6: 3,222,787 km (0.091 R)
• M7: 3,764,930 km (0.062 R)
• M8: 4,627,062 km (0.083 R)
• M9: 5,467,802 km (0.103 R)
• M10: 6,479,682 km (0.117 R)
• M11: 7,324,611 km (0.098 R)
• M12: 8,074,545 km (0.113 R)
• M13: 9,697,084 km (0.117 R)
• M14: 10,436,695 km (0.111 R)
• M15: 12,769,674 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 12

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.99 AU - 2.81 AU

Year: 2566 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,718,039 km

• M1: 150,495 km (0.086 R)
• M2: 547,977 km (0.068 R)
• M3: 1,020,407 km (0.117 R)
• M4: 1,600,996 km (0.116 R)
• M5: 2,104,543 km (0.097 R)
• M6: 2,782,520 km (0.086 R)
• M7: 4,004,286 km (0.102 R)
• M8: 5,199,424 km (0.032 R)
• M9: 5,669,759 km (0.11 R)
• M10: 6,047,195 km (0.085 R)
• M11: 7,446,982 km (0.073 R)
• M12: 7,871,690 km (0.119 R)
• M13: 9,211,938 km (0.059 R)
• M14: 9,602,687 km (0.07 R)
• M15: 12,262,238 km (0.109 R)
• M16: 13,385,868 km (0.047 R)
• M17: 14,446,068 km (0.094 R)
• M18: 15,063,758 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265

Radius: 7.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.96 AU - 9.64 AU

Year: 18019 Days

Day: 24.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,718,039 km

• M1: 96,939 km (0.094 R)
• M2: 433,385 km (0.072 R)
• M3: 723,904 km (0.057 R)
• M4: 1,111,811 km (0.112 R)
• M5: 1,407,566 km (0.076 R)
• M6: 1,917,396 km (0.112 R)
• M7: 2,160,792 km (0.08 R)
• M8: 2,585,500 km (0.047 R)
• M9: 3,158,011 km (0.11 R)
• M10: 5,055,211 km (0.118 R)
• M11: 10,483,669 km (0.099 R)
• M12: 12,698,914 km (0.041 R)
• M13: 18,030,882 km (0.06 R)
• M14: 20,013,054 km (0.102 R)
• M15: 24,972,073 km (0.034 R)
• M16: 26,131,906 km (0.109 R)
• M17: 32,587,951 km (0.116 R)
• M18: 38,996,874 km (0.116 R)
• M19: 40,031,792 km (0.082 R)
• M20: 44,076,469 km (0.039 R)
• M21: 49,429,680 km (0.114 R)
• M22: 50,033,157 km (0.116 R)
• M23: 50,947,500 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 11,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit