🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 10.1

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.7 AU - 1.02 AU

Year: 541 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,347,436 km

• M1: 125,662 km (0.072 R)
• M2: 495,917 km (0.077 R)
• M3: 810,671 km (0.084 R)
• M4: 1,241,662 km (0.082 R)
• M5: 1,899,145 km (0.036 R)
• M6: 2,342,254 km (0.096 R)
• M7: 2,797,031 km (0.077 R)
• M8: 3,335,434 km (0.12 R)
• M9: 3,842,870 km (0.11 R)
• M10: 4,525,186 km (0.08 R)
• M11: 5,606,629 km (0.107 R)
• M12: 7,298,581 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 8

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.11 AU - 1.31 AU

Year: 903 Days

Day: 7.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,347,436 km

• M1: 99,632 km (0.105 R)
• M2: 379,679 km (0.078 R)
• M3: 761,752 km (0.111 R)
• M4: 1,016,966 km (0.112 R)
• M5: 1,406,669 km (0.085 R)
• M6: 1,753,137 km (0.109 R)
• M7: 2,187,719 km (0.114 R)
• M8: 2,729,563 km (0.104 R)
• M9: 3,147,539 km (0.094 R)
• M10: 3,653,030 km (0.098 R)
• M11: 4,095,391 km (0.077 R)
• M12: 5,221,714 km (0.056 R)
• M13: 5,825,341 km (0.108 R)
• M14: 6,407,576 km (0.055 R)
• M15: 6,770,500 km (0.087 R)
• M16: 7,814,394 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 11.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.9 AU - 2.02 AU

Year: 1861 Days

Day: 12 Hours

Environment

Temp: -199 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,347,436 km

• M1: 147,952 km (0.066 R)
• M2: 651,050 km (0.111 R)
• M3: 1,078,152 km (0.114 R)
• M4: 1,461,272 km (0.112 R)
• M5: 3,130,784 km (0.089 R)
• M6: 4,005,483 km (0.092 R)
• M7: 4,421,814 km (0.092 R)
• M8: 5,386,870 km (0.094 R)
• M9: 5,872,016 km (0.066 R)
• M10: 6,360,901 km (0.065 R)
• M11: 6,903,493 km (0.104 R)
• M12: 9,002,052 km (0.071 R)
• M13: 10,301,609 km (0.093 R)
• M14: 11,346,251 km (0.049 R)
• M15: 13,942,671 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.4

Radius: 13

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.22 AU - 2.28 AU

Year: 2289 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,347,436 km

• M1: 162,014 km (0.106 R)
• M2: 718,369 km (0.116 R)
• M3: 1,126,771 km (0.082 R)
• M4: 1,718,431 km (0.09 R)
• M5: 2,581,910 km (0.094 R)
• M6: 3,504,779 km (0.082 R)
• M7: 3,957,612 km (0.111 R)
• M8: 4,388,454 km (0.096 R)
• M9: 5,093,957 km (0.116 R)
• M10: 6,125,434 km (0.106 R)
• M11: 6,596,817 km (0.062 R)
• M12: 8,189,436 km (0.093 R)
• M13: 8,827,920 km (0.117 R)
• M14: 9,847,878 km (0.119 R)
• M15: 10,906,882 km (0.09 R)
• M16: 14,865,092 km (0.115 R)
• M17: 15,719,595 km (0.064 R)
• M18: 16,307,215 km (0.117 R)
• M19: 16,808,069 km (0.089 R)
• M20: 17,267,633 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 14.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.92 AU - 2.58 AU

Year: 2289 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,347,436 km

• M1: 175,329 km (0.076 R)
• M2: 644,468 km (0.04 R)
• M3: 1,204,861 km (0.075 R)
• M4: 3,300,578 km (0.112 R)
• M5: 3,740,994 km (0.092 R)
• M6: 4,264,138 km (0.06 R)
• M7: 5,596,606 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 11.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.36 AU - 4.24 AU

Year: 5024 Days

Day: 5.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,347,436 km

• M1: 143,016 km (0.104 R)
• M2: 615,296 km (0.116 R)
• M3: 1,069,475 km (0.069 R)
• M4: 1,581,848 km (0.116 R)
• M5: 1,964,968 km (0.104 R)
• M6: 2,396,259 km (0.099 R)
• M7: 3,360,417 km (0.085 R)
• M8: 3,941,754 km (0.117 R)
• M9: 4,454,277 km (0.104 R)
• M10: 4,891,252 km (0.037 R)
• M11: 5,771,635 km (0.104 R)
• M12: 6,636,910 km (0.071 R)
• M13: 7,586,557 km (0.077 R)
• M14: 9,417,036 km (0.03 R)
• M15: 10,415,303 km (0.113 R)
• M16: 11,230,163 km (0.102 R)
• M17: 11,739,244 km (0.114 R)
• M18: 12,987,040 km (0.077 R)
• M19: 13,979,472 km (0.07 R)
• M20: 14,668,670 km (0.054 R)
• M21: 17,484,850 km (0.09 R)
• M22: 18,401,436 km (0.115 R)
• M23: 21,732,382 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 12.6

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.33 AU - 5.27 AU

Year: 6048 Days

Day: 13.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,347,436 km

• M1: 156,779 km (0.117 R)
• M2: 737,817 km (0.05 R)
• M3: 1,140,833 km (0.053 R)
• M4: 1,697,188 km (0.103 R)
• M5: 2,608,987 km (0.118 R)
• M6: 3,390,037 km (0.117 R)
• M7: 4,347,314 km (0.077 R)
• M8: 4,833,507 km (0.112 R)
• M9: 6,045,549 km (0.095 R)
• M10: 7,007,912 km (0.116 R)
• M11: 7,833,842 km (0.083 R)
• M12: 14,446,816 km (0.115 R)
• M13: 16,098,975 km (0.067 R)
• M14: 17,468,394 km (0.078 R)
• M15: 18,010,088 km (0.105 R)
• M16: 18,632,864 km (0.12 R)
• M17: 20,068,106 km (0.082 R)
• M18: 22,199,726 km (0.071 R)
• M19: 22,755,482 km (0.054 R)
• M20: 25,414,883 km (0.114 R)
• M21: 27,906,286 km (0.052 R)
• M22: 31,343,447 km (0.075 R)
• M23: 33,370,049 km (0.12 R)
• M24: 34,733,484 km (0.055 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: 249 - 19,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit