🌌 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: 89.9

Radius: 11.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,251,664 km

• M1: 140,472 km (0.116 R)
• M2: 754,721 km (0.111 R)
• M3: 1,269,637 km (0.097 R)
• M4: 1,630,766 km (0.056 R)
• M5: 2,194,152 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 8.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.73 AU - 0.87 AU

Year: 477 Days

Day: 9.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,251,664 km

• M1: 100,679 km (0.045 R)
• M2: 398,828 km (0.091 R)
• M3: 883,974 km (0.12 R)
• M4: 1,147,116 km (0.11 R)
• M5: 1,469,201 km (0.1 R)
• M6: 1,804,300 km (0.078 R)
• M7: 2,427,525 km (0.119 R)
• M8: 2,762,325 km (0.101 R)
• M9: 3,514,652 km (0.109 R)
• M10: 3,786,322 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.1

Radius: 12.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.85 AU - 1.03 AU

Year: 608 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,251,664 km

• M1: 153,039 km (0.112 R)
• M2: 544,237 km (0.055 R)
• M3: 1,046,138 km (0.069 R)
• M4: 1,899,594 km (0.072 R)
• M5: 2,408,825 km (0.025 R)
• M6: 2,794,488 km (0.099 R)
• M7: 3,522,132 km (0.106 R)
• M8: 4,372,596 km (0.049 R)
• M9: 5,150,954 km (0.103 R)
• M10: 6,019,669 km (0.097 R)
• M11: 6,440,338 km (0.085 R)
• M12: 7,150,329 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 8.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.79 AU - 2.63 AU

Year: 2191 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,251,664 km

• M1: 100,679 km (0.079 R)
• M2: 639,381 km (0.088 R)
• M3: 1,208,003 km (0.098 R)
• M4: 1,563,597 km (0.044 R)
• M5: 1,870,273 km (0.074 R)
• M6: 3,109,093 km (0.065 R)
• M7: 3,523,329 km (0.114 R)
• M8: 3,782,881 km (0.112 R)
• M9: 5,702,970 km (0.106 R)
• M10: 10,315,521 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.3

Radius: 9

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.06 AU - 3.08 AU

Year: 2747 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,251,664 km

• M1: 117,434 km (0.056 R)
• M2: 466,745 km (0.101 R)
• M3: 764,744 km (0.094 R)
• M4: 1,051,374 km (0.097 R)
• M5: 1,793,978 km (0.112 R)
• M6: 2,315,027 km (0.119 R)
• M7: 2,785,812 km (0.078 R)
• M8: 3,104,904 km (0.042 R)
• M9: 3,505,078 km (0.038 R)
• M10: 4,321,284 km (0.101 R)
• M11: 4,612,252 km (0.075 R)
• M12: 5,308,929 km (0.101 R)
• M13: 6,101,798 km (0.104 R)
• M14: 6,941,192 km (0.089 R)
• M15: 7,987,778 km (0.101 R)
• M16: 8,777,057 km (0.106 R)
• M17: 11,288,955 km (0.108 R)
• M18: 12,017,646 km (0.063 R)
• M19: 12,641,020 km (0.107 R)
• M20: 17,851,215 km (0.088 R)
• M21: 18,138,143 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.7

Radius: 7.9

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.2 AU - 8.66 AU

Year: 16322 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,251,664 km

• M1: 98,286 km (0.11 R)
• M2: 825,331 km (0.059 R)
• M3: 1,097,001 km (0.112 R)
• M4: 1,791,734 km (0.117 R)
• M5: 2,153,461 km (0.102 R)
• M6: 2,586,398 km (0.101 R)
• M7: 3,024,570 km (0.105 R)
• M8: 3,626,402 km (0.12 R)
• M9: 5,479,471 km (0.111 R)
• M10: 6,989,063 km (0.109 R)
• M11: 10,443,727 km (0.097 R)
• M12: 11,553,444 km (0.066 R)
• M13: 12,136,875 km (0.094 R)
• M14: 14,371,419 km (0.117 R)
• M15: 15,352,781 km (0.115 R)
• M16: 16,297,641 km (0.058 R)
• M17: 18,652,611 km (0.076 R)
• M18: 19,455,353 km (0.108 R)
• M19: 20,374,033 km (0.076 R)
• M20: 20,655,128 km (0.061 R)
• M21: 23,100,006 km (0.11 R)
• M22: 25,622,525 km (0.094 R)
• M23: 28,322,916 km (0.103 R)
• M24: 31,581,158 km (0.117 R)
• M25: 34,679,928 km (0.066 R)
• M26: 36,440,396 km (0.118 R)
• M27: 36,716,404 km (0.064 R)
• M28: 37,834,349 km (0.107 R)
• M29: 39,699,385 km (0.11 R)
• M30: 39,991,550 km (0.087 R)
• M31: 41,926,449 km (0.045 R)
• M32: 42,229,534 km (0.089 R)
• M33: 46,627,861 km (0.047 R)
• M34: 58,939,766 km (0.092 R)
• M35: 65,632,176 km (0.034 R)
• M36: 70,008,961 km (0.065 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 11,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit