🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 12.3

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.42 AU - 0.68 AU

Year: 272 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,116,345 km

• M1: 153,039 km (0.108 R)
• M2: 646,712 km (0.074 R)
• M3: 1,090,568 km (0.114 R)
• M4: 1,956,441 km (0.112 R)
• M5: 2,491,104 km (0.12 R)
• M6: 3,226,826 km (0.077 R)
• M7: 3,704,342 km (0.05 R)
• M8: 4,318,891 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 13.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.56 AU - 0.9 AU

Year: 416 Days

Day: 14.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,116,345 km

• M1: 170,392 km (0.073 R)
• M2: 876,793 km (0.101 R)
• M3: 1,396,795 km (0.059 R)
• M4: 1,887,327 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.4

Radius: 9.8

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.93 AU - 1.25 AU

Year: 759 Days

Day: 5 Hours

Environment

Temp: -179 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,116,345 km

• M1: 121,922 km (0.105 R)
• M2: 441,164 km (0.116 R)
• M3: 804,687 km (0.12 R)
• M4: 1,269,039 km (0.105 R)
• M5: 1,632,412 km (0.097 R)
• M6: 2,304,854 km (0.117 R)
• M7: 2,619,309 km (0.107 R)
• M8: 4,385,462 km (0.085 R)
• M9: 5,451,346 km (0.118 R)
• M10: 6,321,408 km (0.059 R)
• M11: 6,943,884 km (0.092 R)
• M12: 7,419,606 km (0.111 R)
• M13: 7,820,677 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 11.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.93 AU - 1.41 AU

Year: 844 Days

Day: 9.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,116,345 km

• M1: 139,575 km (0.075 R)
• M2: 535,411 km (0.087 R)
• M3: 967,749 km (0.098 R)
• M4: 1,342,790 km (0.118 R)
• M5: 1,694,794 km (0.116 R)
• M6: 2,336,719 km (0.08 R)
• M7: 2,709,068 km (0.08 R)
• M8: 3,254,502 km (0.096 R)
• M9: 4,669,548 km (0.033 R)
• M10: 5,153,796 km (0.109 R)
• M11: 5,534,074 km (0.104 R)
• M12: 6,946,876 km (0.098 R)
• M13: 7,435,762 km (0.07 R)
• M14: 7,897,720 km (0.114 R)
• M15: 9,150,902 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 13.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.59 AU - 2.99 AU

Year: 3108 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,116,345 km

• M1: 170,542 km (0.069 R)
• M2: 598,691 km (0.119 R)
• M3: 1,137,243 km (0.063 R)
• M4: 1,865,485 km (0.104 R)
• M5: 2,330,436 km (0.089 R)
• M6: 2,840,116 km (0.102 R)
• M7: 3,462,144 km (0.116 R)
• M8: 5,809,334 km (0.113 R)
• M9: 6,518,129 km (0.118 R)
• M10: 9,596,404 km (0.115 R)
• M11: 12,499,500 km (0.119 R)
• M12: 15,199,592 km (0.102 R)
• M13: 15,944,739 km (0.103 R)
• M14: 17,856,002 km (0.097 R)
• M15: 19,232,601 km (0.11 R)
• M16: 20,167,887 km (0.105 R)
• M17: 20,743,540 km (0.093 R)
• M18: 22,332,269 km (0.072 R)

Asteroid Belt

Center: 3.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.4

Radius: 14.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.37 AU - 5.25 AU

Year: 5967 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,116,345 km

• M1: 180,565 km (0.117 R)
• M2: 1,237,922 km (0.06 R)
• M3: 1,940,434 km (0.081 R)
• M4: 2,675,857 km (0.08 R)
• M5: 3,330,348 km (0.094 R)
• M6: 5,041,448 km (0.087 R)
• M7: 5,697,285 km (0.108 R)
• M8: 6,502,720 km (0.116 R)
• M9: 7,015,093 km (0.079 R)
• M10: 8,565,226 km (0.052 R)
• M11: 9,025,240 km (0.079 R)
• M12: 10,290,987 km (0.094 R)
• M13: 11,213,557 km (0.118 R)
• M14: 13,944,466 km (0.109 R)
• M15: 14,475,090 km (0.062 R)
• M16: 15,240,732 km (0.107 R)
• M17: 16,615,985 km (0.078 R)
• M18: 17,273,318 km (0.107 R)
• M19: 19,944,388 km (0.079 R)
• M20: 21,030,768 km (0.112 R)
• M21: 21,871,209 km (0.058 R)
• M22: 23,844,255 km (0.07 R)
• M23: 24,681,106 km (0.106 R)
• M24: 27,890,429 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.6

Radius: 7.7

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.85 AU - 12.55 AU

Year: 23340 Days

Day: 19.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,116,345 km

• M1: 95,892 km (0.079 R)
• M2: 455,226 km (0.059 R)
• M3: 853,755 km (0.074 R)
• M4: 1,606,083 km (0.115 R)
• M5: 3,445,987 km (0.097 R)
• M6: 4,723,553 km (0.105 R)
• M7: 6,604,746 km (0.107 R)
• M8: 7,216,152 km (0.108 R)
• M9: 7,610,642 km (0.088 R)
• M10: 10,851,381 km (0.089 R)
• M11: 11,369,737 km (0.111 R)
• M12: 12,455,668 km (0.032 R)
• M13: 13,461,116 km (0.047 R)
• M14: 14,832,330 km (0.069 R)
• M15: 16,546,721 km (0.094 R)
• M16: 18,663,232 km (0.102 R)
• M17: 23,532,493 km (0.056 R)
• M18: 24,072,541 km (0.047 R)
• M19: 24,620,668 km (0.043 R)
• M20: 26,085,082 km (0.068 R)
• M21: 28,207,277 km (0.107 R)
• M22: 30,569,427 km (0.114 R)
• M23: 35,967,367 km (0.095 R)
• M24: 36,252,800 km (0.118 R)
• M25: 37,997,410 km (0.039 R)
• M26: 38,890,360 km (0.116 R)
• M27: 42,921,873 km (0.085 R)
• M28: 55,522,651 km (0.085 R)
• M29: 58,622,768 km (0.104 R)
• M30: 60,215,237 km (0.108 R)
• M31: 72,178,429 km (0.104 R)
• M32: 74,469,072 km (0.086 R)
• M33: 76,336,053 km (0.066 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: 215 - 16,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit