🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 13.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.59 AU - 0.65 AU

Year: 331 Days

Day: 10.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,964,593 km

• M1: 171,589 km (0.115 R)
• M2: 611,406 km (0.091 R)
• M3: 1,104,032 km (0.072 R)
• M4: 1,811,929 km (0.083 R)
• M5: 2,313,232 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 9.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.92 AU - 1.32 AU

Year: 804 Days

Day: 12.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,964,593 km

• M1: 115,639 km (0.116 R)
• M2: 429,795 km (0.108 R)
• M3: 1,414,448 km (0.08 R)
• M4: 1,713,045 km (0.028 R)
• M5: 2,985,076 km (0.101 R)
• M6: 4,367,061 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 8

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.61 AU - 3.99 AU

Year: 5024 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,964,593 km

• M1: 100,380 km (0.048 R)
• M2: 435,330 km (0.109 R)
• M3: 975,977 km (0.113 R)
• M4: 1,302,997 km (0.115 R)
• M5: 1,825,244 km (0.056 R)
• M6: 2,311,437 km (0.069 R)
• M7: 2,958,747 km (0.089 R)
• M8: 3,453,766 km (0.1 R)
• M9: 5,332,715 km (0.075 R)
• M10: 6,727,416 km (0.12 R)
• M11: 7,111,135 km (0.086 R)
• M12: 7,732,714 km (0.113 R)
• M13: 9,295,114 km (0.119 R)
• M14: 9,683,470 km (0.109 R)
• M15: 10,961,784 km (0.049 R)
• M16: 11,592,040 km (0.117 R)
• M17: 13,463,659 km (0.103 R)
• M18: 14,243,064 km (0.082 R)
• M19: 15,408,132 km (0.094 R)
• M20: 17,273,019 km (0.081 R)
• M21: 17,993,183 km (0.095 R)
• M22: 18,801,311 km (0.067 R)
• M23: 22,353,662 km (0.053 R)
• M24: 24,490,518 km (0.056 R)
• M25: 25,734,723 km (0.081 R)
• M26: 26,415,244 km (0.075 R)
• M27: 27,546,653 km (0.093 R)
• M28: 28,800,881 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 11.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.83 AU - 5.95 AU

Year: 8487 Days

Day: 9.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,964,593 km

• M1: 145,559 km (0.056 R)
• M2: 532,120 km (0.09 R)
• M3: 1,091,765 km (0.117 R)
• M4: 1,701,077 km (0.092 R)
• M5: 2,382,496 km (0.111 R)
• M6: 2,837,572 km (0.108 R)
• M7: 4,104,068 km (0.055 R)
• M8: 4,535,508 km (0.114 R)
• M9: 5,651,060 km (0.049 R)
• M10: 6,467,116 km (0.111 R)
• M11: 6,903,792 km (0.036 R)
• M12: 7,477,201 km (0.1 R)
• M13: 8,333,349 km (0.09 R)
• M14: 8,763,443 km (0.065 R)
• M15: 10,095,463 km (0.104 R)
• M16: 11,823,767 km (0.074 R)
• M17: 12,985,245 km (0.093 R)
• M18: 13,447,203 km (0.117 R)
• M19: 14,650,269 km (0.094 R)
• M20: 15,858,421 km (0.071 R)
• M21: 16,858,184 km (0.079 R)
• M22: 18,544,601 km (0.086 R)
• M23: 20,729,328 km (0.053 R)
• M24: 21,201,908 km (0.06 R)
• M25: 22,497,276 km (0.101 R)
• M26: 22,996,484 km (0.097 R)
• M27: 26,239,616 km (0.081 R)
• M28: 29,975,673 km (0.117 R)
• M29: 36,622,307 km (0.088 R)
• M30: 38,484,651 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.9

Radius: 3.6

Gravity: 28.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.72 AU - 6.68 AU

Year: 9230 Days

Day: 16.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,964,593 km

• M1: 46,375 km (0.109 R)
• M2: 171,439 km (0.092 R)
• M3: 343,477 km (0.096 R)
• M4: 458,218 km (0.113 R)
• M5: 698,921 km (0.103 R)
• M6: 960,718 km (0.084 R)
• M7: 1,239,119 km (0.078 R)
• M8: 2,674,361 km (0.065 R)
• M9: 2,889,034 km (0.026 R)
• M10: 3,031,451 km (0.068 R)
• M11: 3,419,658 km (0.056 R)
• M12: 4,113,493 km (0.109 R)
• M13: 4,643,518 km (0.105 R)
• M14: 5,902,534 km (0.11 R)
• M15: 6,610,132 km (0.105 R)
• M16: 6,858,165 km (0.109 R)
• M17: 8,232,371 km (0.09 R)
• M18: 9,026,885 km (0.066 R)
• M19: 9,420,477 km (0.106 R)
• M20: 12,130,742 km (0.112 R)
• M21: 14,122,937 km (0.089 R)
• M22: 15,380,307 km (0.076 R)
• M23: 16,386,951 km (0.055 R)
• M24: 18,252,885 km (0.09 R)
• M25: 21,157,178 km (0.106 R)
• M26: 21,540,597 km (0.096 R)
• M27: 25,031,015 km (0.077 R)
• M28: 26,597,753 km (0.044 R)
• M29: 29,828,768 km (0.056 R)
• M30: 30,310,773 km (0.115 R)
• M31: 32,189,423 km (0.09 R)
• M32: 35,204,418 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.7

Radius: 6.2

Gravity: 20.6 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.31 AU - 6.83 AU

Year: 11422 Days

Day: 21.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,964,593 km

• M1: 77,043 km (0.049 R)
• M2: 536,308 km (0.057 R)
• M3: 1,256,323 km (0.11 R)
• M4: 1,603,988 km (0.12 R)
• M5: 2,331,034 km (0.057 R)
• M6: 3,308,058 km (0.065 R)
• M7: 4,000,097 km (0.118 R)
• M8: 4,532,965 km (0.091 R)
• M9: 5,595,708 km (0.116 R)
• M10: 7,145,991 km (0.099 R)
• M11: 7,357,971 km (0.066 R)
• M12: 9,258,911 km (0.077 R)
• M13: 10,511,794 km (0.104 R)
• M14: 22,138,989 km (0.09 R)
• M15: 23,981,735 km (0.116 R)
• M16: 25,924,264 km (0.075 R)
• M17: 27,448,217 km (0.116 R)
• M18: 30,562,247 km (0.075 R)
• M19: 31,802,563 km (0.059 R)
• M20: 33,311,257 km (0.11 R)
• M21: 34,023,343 km (0.066 R)
• M22: 37,100,122 km (0.069 R)
• M23: 40,625,995 km (0.044 R)
• M24: 49,247,619 km (0.059 R)
• M25: 52,851,731 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 13,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit