🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 8.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.93 AU - 2.03 AU

Year: 1828 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,700,857 km

• M1: 107,860 km (0.078 R)
• M2: 391,946 km (0.118 R)
• M3: 820,544 km (0.112 R)
• M4: 1,111,961 km (0.11 R)
• M5: 1,410,110 km (0.098 R)
• M6: 2,163,036 km (0.069 R)
• M7: 3,660,809 km (0.068 R)
• M8: 4,801,643 km (0.094 R)
• M9: 5,133,451 km (0.052 R)
• M10: 5,898,943 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.8

Radius: 9.5

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.7 AU - 2.66 AU

Year: 2112 Days

Day: 11.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,700,857 km

• M1: 118,182 km (0.071 R)
• M2: 543,489 km (0.091 R)
• M3: 1,205,310 km (0.094 R)
• M4: 1,524,402 km (0.118 R)
• M5: 1,900,342 km (0.109 R)
• M6: 2,351,080 km (0.112 R)
• M7: 2,887,239 km (0.106 R)
• M8: 3,555,193 km (0.055 R)
• M9: 3,879,372 km (0.106 R)
• M10: 4,362,723 km (0.117 R)
• M11: 5,151,403 km (0.079 R)
• M12: 5,450,150 km (0.118 R)
• M13: 6,735,943 km (0.052 R)
• M14: 7,406,591 km (0.117 R)
• M15: 8,815,653 km (0.119 R)
• M16: 9,652,503 km (0.115 R)
• M17: 10,037,120 km (0.119 R)
• M18: 14,062,349 km (0.072 R)
• M19: 16,504,235 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 14

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.13 AU - 2.89 AU

Year: 2609 Days

Day: 6.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,700,857 km

• M1: 177,722 km (0.102 R)
• M2: 679,025 km (0.05 R)
• M3: 1,267,393 km (0.108 R)
• M4: 1,716,785 km (0.103 R)
• M5: 3,279,485 km (0.116 R)
• M6: 4,320,237 km (0.099 R)
• M7: 5,001,206 km (0.113 R)
• M8: 5,674,397 km (0.116 R)
• M9: 6,464,274 km (0.077 R)
• M10: 7,295,290 km (0.104 R)
• M11: 9,316,058 km (0.073 R)
• M12: 10,377,155 km (0.047 R)
• M13: 12,921,067 km (0.1 R)
• M14: 13,616,997 km (0.064 R)
• M15: 14,832,479 km (0.106 R)
• M16: 18,158,190 km (0.118 R)
• M17: 18,679,089 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.3

Radius: 14.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.42 AU - 3.22 AU

Year: 3107 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,700,857 km

• M1: 184,005 km (0.058 R)
• M2: 690,095 km (0.113 R)
• M3: 1,386,772 km (0.108 R)
• M4: 1,988,006 km (0.102 R)
• M5: 2,450,264 km (0.043 R)
• M6: 3,152,476 km (0.118 R)
• M7: 3,731,420 km (0.083 R)
• M8: 5,153,347 km (0.11 R)
• M9: 5,882,637 km (0.106 R)
• M10: 7,362,609 km (0.082 R)
• M11: 7,896,823 km (0.106 R)
• M12: 8,524,685 km (0.094 R)
• M13: 10,768,504 km (0.109 R)
• M14: 11,500,037 km (0.089 R)
• M15: 11,963,342 km (0.116 R)
• M16: 13,017,558 km (0.079 R)
• M17: 15,260,778 km (0.073 R)
• M18: 16,289,563 km (0.082 R)
• M19: 16,874,789 km (0.074 R)
• M20: 19,357,665 km (0.1 R)
• M21: 20,686,394 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.7

Radius: 9.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.09 AU - 4.43 AU

Year: 4783 Days

Day: 15 Hours

Environment

Temp: -199 °C

Axial Tilt: 99.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,700,857 km

• M1: 114,592 km (0.075 R)
• M2: 441,164 km (0.12 R)
• M3: 805,435 km (0.109 R)
• M4: 1,417,440 km (0.108 R)
• M5: 1,865,635 km (0.057 R)
• M6: 2,460,137 km (0.037 R)
• M7: 3,744,435 km (0.075 R)
• M8: 4,564,231 km (0.101 R)
• M9: 6,772,296 km (0.117 R)
• M10: 8,232,072 km (0.109 R)
• M11: 9,236,173 km (0.086 R)
• M12: 9,926,118 km (0.104 R)
• M13: 10,319,860 km (0.091 R)
• M14: 11,292,395 km (0.086 R)
• M15: 11,682,247 km (0.088 R)
• M16: 12,530,318 km (0.105 R)
• M17: 13,724,258 km (0.063 R)
• M18: 15,511,354 km (0.107 R)
• M19: 16,886,458 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 11.3

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.23 AU - 5.25 AU

Year: 7869 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,700,857 km

• M1: 140,472 km (0.057 R)
• M2: 509,830 km (0.082 R)
• M3: 889,958 km (0.113 R)
• M4: 1,481,318 km (0.083 R)
• M5: 2,987,170 km (0.063 R)
• M6: 3,529,463 km (0.114 R)
• M7: 4,753,323 km (0.095 R)
• M8: 5,996,631 km (0.055 R)
• M9: 8,402,613 km (0.095 R)
• M10: 9,581,145 km (0.119 R)
• M11: 13,778,113 km (0.041 R)
• M12: 17,527,036 km (0.047 R)
• M13: 19,904,894 km (0.089 R)
• M14: 29,614,095 km (0.098 R)
• M15: 32,971,520 km (0.101 R)
• M16: 41,058,332 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.3

Radius: 4

Gravity: 26.46 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.43 AU - 7.43 AU

Year: 10696 Days

Day: 16.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,700,857 km

• M1: 51,312 km (0.104 R)
• M2: 177,124 km (0.112 R)
• M3: 380,876 km (0.078 R)
• M4: 669,301 km (0.067 R)
• M5: 2,006,706 km (0.094 R)
• M6: 2,280,919 km (0.079 R)
• M7: 3,488,323 km (0.066 R)
• M8: 5,841,647 km (0.046 R)
• M9: 8,285,628 km (0.066 R)
• M10: 8,632,396 km (0.084 R)
• M11: 9,354,804 km (0.048 R)
• M12: 9,778,465 km (0.119 R)
• M13: 12,256,105 km (0.082 R)
• M14: 16,102,266 km (0.097 R)
• M15: 16,847,114 km (0.066 R)
• M16: 18,625,085 km (0.101 R)
• M17: 18,846,489 km (0.08 R)
• M18: 20,367,900 km (0.112 R)
• M19: 25,059,289 km (0.113 R)
• M20: 28,917,568 km (0.066 R)
• M21: 29,313,852 km (0.063 R)
• M22: 34,467,200 km (0.083 R)
• M23: 35,929,220 km (0.065 R)
• M24: 36,157,805 km (0.07 R)
• M25: 36,502,329 km (0.059 R)
• M26: 37,432,080 km (0.063 R)
• M27: 37,902,715 km (0.11 R)
• M28: 39,825,048 km (0.059 R)
• M29: 41,434,122 km (0.062 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: 493 - 10,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit