🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 9.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.88 AU - 1.22 AU

Year: 743 Days

Day: 9.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,162,601 km

• M1: 120,576 km (0.116 R)
• M2: 511,924 km (0.088 R)
• M3: 922,271 km (0.071 R)
• M4: 1,541,307 km (0.061 R)
• M5: 2,326,546 km (0.071 R)
• M6: 2,725,224 km (0.041 R)
• M7: 3,193,915 km (0.102 R)
• M8: 3,702,099 km (0.115 R)
• M9: 4,084,770 km (0.064 R)
• M10: 4,636,038 km (0.099 R)
• M11: 5,288,434 km (0.111 R)
• M12: 6,330,832 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.5

Radius: 12.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.34 AU - 1.52 AU

Year: 1180 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,162,601 km

• M1: 153,039 km (0.108 R)
• M2: 899,532 km (0.102 R)
• M3: 1,711,699 km (0.03 R)
• M4: 2,142,391 km (0.106 R)
• M5: 2,955,306 km (0.054 R)
• M6: 3,770,016 km (0.07 R)
• M7: 4,208,786 km (0.044 R)
• M8: 5,466,306 km (0.092 R)
• M9: 6,068,288 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 12.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.46 AU - 2.24 AU

Year: 1737 Days

Day: 8.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,162,601 km

• M1: 156,779 km (0.074 R)
• M2: 599,887 km (0.106 R)
• M3: 1,241,363 km (0.096 R)
• M4: 1,657,544 km (0.118 R)
• M5: 2,241,275 km (0.098 R)
• M6: 2,856,422 km (0.064 R)
• M7: 4,348,661 km (0.079 R)
• M8: 4,961,264 km (0.088 R)
• M9: 10,024,105 km (0.08 R)
• M10: 11,319,024 km (0.113 R)
• M11: 12,163,504 km (0.098 R)
• M12: 12,803,783 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.5

Radius: 9.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.83 AU - 2.81 AU

Year: 2439 Days

Day: 12.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,162,601 km

• M1: 137,181 km (0.089 R)
• M2: 456,124 km (0.114 R)
• M3: 970,142 km (0.056 R)
• M4: 1,406,818 km (0.084 R)
• M5: 1,843,943 km (0.111 R)
• M6: 2,235,291 km (0.102 R)
• M7: 2,595,224 km (0.051 R)
• M8: 2,966,825 km (0.068 R)
• M9: 5,803,350 km (0.087 R)
• M10: 7,300,675 km (0.067 R)
• M11: 7,992,865 km (0.1 R)
• M12: 9,657,141 km (0.116 R)
• M13: 10,396,154 km (0.08 R)
• M14: 10,779,574 km (0.092 R)

Asteroid Belt

Center: 3.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.3

Radius: 8.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.94 AU - 4.12 AU

Year: 5584 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,162,601 km

• M1: 108,907 km (0.099 R)
• M2: 403,465 km (0.097 R)
• M3: 741,706 km (0.073 R)
• M4: 1,008,589 km (0.086 R)
• M5: 1,598,453 km (0.117 R)
• M6: 1,971,102 km (0.085 R)
• M7: 2,579,666 km (0.116 R)
• M8: 3,510,015 km (0.048 R)
• M9: 4,006,381 km (0.108 R)
• M10: 5,246,996 km (0.074 R)
• M11: 6,855,322 km (0.068 R)
• M12: 9,356,898 km (0.036 R)
• M13: 10,745,017 km (0.079 R)
• M14: 12,902,218 km (0.098 R)
• M15: 16,714,720 km (0.109 R)
• M16: 18,940,736 km (0.057 R)
• M17: 20,872,045 km (0.098 R)
• M18: 22,278,115 km (0.105 R)
• M19: 24,047,559 km (0.041 R)
• M20: 27,780,175 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.9

Radius: 5.3

Gravity: 19.01 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.58 AU - 5.92 AU

Year: 9517 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 110.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,162,601 km

• M1: 70,012 km (0.091 R)
• M2: 427,700 km (0.069 R)
• M3: 692,638 km (0.096 R)
• M4: 1,205,011 km (0.116 R)
• M5: 1,436,289 km (0.11 R)
• M6: 1,972,448 km (0.083 R)
• M7: 2,349,285 km (0.111 R)
• M8: 2,917,906 km (0.084 R)
• M9: 3,133,776 km (0.089 R)
• M10: 3,975,115 km (0.113 R)
• M11: 4,160,018 km (0.036 R)
• M12: 7,194,760 km (0.093 R)
• M13: 9,882,136 km (0.11 R)
• M14: 13,643,475 km (0.075 R)
• M15: 15,839,572 km (0.109 R)
• M16: 23,821,217 km (0.068 R)
• M17: 25,054,203 km (0.118 R)
• M18: 28,909,190 km (0.041 R)
• M19: 31,757,534 km (0.05 R)
• M20: 32,391,380 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.2

Radius: 4

Gravity: 55.64 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.16 AU - 12.1 AU

Year: 22255 Days

Day: 20.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,162,601 km

• M1: 57,296 km (0.117 R)
• M2: 414,685 km (0.12 R)
• M3: 840,142 km (0.103 R)
• M4: 1,011,581 km (0.097 R)
• M5: 1,206,208 km (0.115 R)
• M6: 1,392,607 km (0.057 R)
• M7: 1,689,409 km (0.111 R)
• M8: 1,985,014 km (0.059 R)
• M9: 2,156,304 km (0.083 R)
• M10: 3,052,694 km (0.105 R)
• M11: 4,002,940 km (0.071 R)
• M12: 4,207,440 km (0.033 R)
• M13: 6,511,397 km (0.091 R)
• M14: 10,342,449 km (0.099 R)
• M15: 10,923,637 km (0.088 R)
• M16: 16,293,602 km (0.09 R)
• M17: 16,990,877 km (0.119 R)
• M18: 25,091,452 km (0.104 R)
• M19: 29,070,307 km (0.082 R)
• M20: 30,354,156 km (0.093 R)
• M21: 32,486,374 km (0.067 R)
• M22: 32,896,871 km (0.11 R)
• M23: 35,723,074 km (0.07 R)
• M24: 42,338,441 km (0.067 R)
• M25: 42,664,565 km (0.096 R)
• M26: 43,321,898 km (0.088 R)
• M27: 43,652,958 km (0.066 R)
• M28: 44,320,464 km (0.105 R)
• M29: 49,183,741 km (0.117 R)
• M30: 53,245,473 km (0.032 R)
• M31: 57,925,193 km (0.055 R)
• M32: 58,528,671 km (0.109 R)
• M33: 59,339,940 km (0.042 R)
• M34: 75,014,356 km (0.086 R)
• M35: 80,628,316 km (0.081 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: 396 - 17,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit