🌌 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: 761.5

Radius: 10.2

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 13.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,064,147 km

• M1: 126,859 km (0.06 R)
• M2: 493,523 km (0.101 R)
• M3: 860,936 km (0.101 R)
• M4: 1,249,591 km (0.093 R)
• M5: 1,688,810 km (0.079 R)
• M6: 2,174,106 km (0.064 R)
• M7: 2,722,681 km (0.094 R)
• M8: 3,547,414 km (0.111 R)
• M9: 4,109,902 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.4

Radius: 13.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 13 Hours

Environment

Temp: -150 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,064,147 km

• M1: 165,455 km (0.07 R)
• M2: 591,061 km (0.118 R)
• M3: 1,068,278 km (0.071 R)
• M4: 1,498,522 km (0.1 R)
• M5: 2,256,983 km (0.109 R)
• M6: 2,684,235 km (0.081 R)
• M7: 3,343,213 km (0.111 R)
• M8: 3,786,472 km (0.086 R)
• M9: 4,281,790 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 10.2

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,064,147 km

• M1: 127,009 km (0.077 R)
• M2: 550,371 km (0.102 R)
• M3: 906,563 km (0.063 R)
• M4: 1,640,341 km (0.117 R)
• M5: 2,503,221 km (0.037 R)
• M6: 2,861,807 km (0.088 R)
• M7: 3,592,144 km (0.08 R)
• M8: 3,994,712 km (0.096 R)
• M9: 4,367,959 km (0.101 R)
• M10: 4,987,593 km (0.107 R)
• M11: 5,438,331 km (0.068 R)
• M12: 6,081,602 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 12.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.57 AU - 2.65 AU

Year: 2812 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,064,147 km

• M1: 155,432 km (0.104 R)
• M2: 575,353 km (0.095 R)
• M3: 1,275,771 km (0.058 R)
• M4: 1,671,756 km (0.106 R)
• M5: 2,067,443 km (0.065 R)
• M6: 2,825,605 km (0.069 R)
• M7: 3,926,944 km (0.078 R)
• M8: 4,392,193 km (0.106 R)
• M9: 6,165,676 km (0.11 R)
• M10: 7,128,339 km (0.102 R)
• M11: 8,628,656 km (0.103 R)
• M12: 10,658,699 km (0.119 R)
• M13: 11,069,794 km (0.09 R)
• M14: 12,654,933 km (0.105 R)
• M15: 13,676,088 km (0.112 R)
• M16: 14,613,767 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.2

Radius: 12.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.46 AU - 5.44 AU

Year: 6260 Days

Day: 10.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,064,147 km

• M1: 156,779 km (0.112 R)
• M2: 681,418 km (0.1 R)
• M3: 1,260,212 km (0.083 R)
• M4: 2,565,454 km (0.108 R)
• M5: 5,138,687 km (0.072 R)
• M6: 7,725,384 km (0.059 R)
• M7: 9,547,785 km (0.062 R)
• M8: 11,466,976 km (0.105 R)
• M9: 15,095,472 km (0.062 R)
• M10: 18,275,025 km (0.032 R)
• M11: 21,278,652 km (0.115 R)
• M12: 22,828,485 km (0.034 R)

Asteroid Belt

Center: 5.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.5

Radius: 3.6

Gravity: 36.61 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.65 AU - 7.01 AU

Year: 11903 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,064,147 km

• M1: 44,879 km (0.086 R)
• M2: 350,957 km (0.101 R)
• M3: 1,045,390 km (0.082 R)
• M4: 1,304,194 km (0.032 R)
• M5: 1,678,488 km (0.108 R)
• M6: 3,397,218 km (0.056 R)
• M7: 5,474,085 km (0.044 R)
• M8: 9,621,237 km (0.118 R)
• M9: 10,479,181 km (0.046 R)
• M10: 11,496,896 km (0.096 R)
• M11: 16,578,885 km (0.087 R)
• M12: 20,202,145 km (0.111 R)
• M13: 20,853,195 km (0.053 R)
• M14: 22,802,755 km (0.083 R)
• M15: 24,502,186 km (0.083 R)
• M16: 37,466,039 km (0.111 R)
• M17: 38,200,564 km (0.096 R)
• M18: 42,149,200 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.8

Radius: 6

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.55 AU - 7.55 AU

Year: 12483 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,064,147 km

• M1: 79,885 km (0.088 R)
• M2: 271,819 km (0.087 R)
• M3: 500,106 km (0.078 R)
• M4: 898,186 km (0.115 R)
• M5: 1,185,264 km (0.093 R)
• M6: 1,827,188 km (0.102 R)
• M7: 2,429,320 km (0.077 R)
• M8: 2,787,308 km (0.086 R)
• M9: 3,060,623 km (0.096 R)
• M10: 3,351,740 km (0.116 R)
• M11: 3,741,443 km (0.103 R)
• M12: 5,751,889 km (0.115 R)
• M13: 6,583,204 km (0.1 R)
• M14: 7,278,535 km (0.085 R)
• M15: 7,753,957 km (0.085 R)
• M16: 8,575,997 km (0.095 R)
• M17: 9,709,201 km (0.119 R)
• M18: 10,554,279 km (0.065 R)
• M19: 12,755,911 km (0.074 R)
• M20: 13,703,464 km (0.069 R)
• M21: 19,726,574 km (0.056 R)
• M22: 25,108,806 km (0.086 R)
• M23: 27,925,135 km (0.028 R)
• M24: 28,554,793 km (0.077 R)
• M25: 30,061,094 km (0.065 R)
• M26: 31,960,239 km (0.035 R)
• M27: 34,295,312 km (0.094 R)
• M28: 35,260,368 km (0.118 R)
• M29: 39,171,155 km (0.082 R)
• M30: 44,064,202 km (0.06 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 13,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit