🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.8

Radius: 10.3

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.7 AU - 0.74 AU

Year: 422 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,887,260 km

• M1: 128,056 km (0.107 R)
• M2: 546,182 km (0.074 R)
• M3: 880,533 km (0.066 R)
• M4: 1,504,207 km (0.101 R)
• M5: 1,953,000 km (0.114 R)
• M6: 2,288,399 km (0.094 R)
• M7: 2,621,104 km (0.096 R)
• M8: 2,964,132 km (0.099 R)
• M9: 3,969,430 km (0.112 R)
• M10: 4,588,615 km (0.064 R)
• M11: 5,090,068 km (0.117 R)
• M12: 5,593,315 km (0.101 R)
• M13: 6,315,424 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.1

Radius: 10.1

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.71 AU - 0.75 AU

Year: 431 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,887,260 km

• M1: 125,662 km (0.094 R)
• M2: 454,628 km (0.1 R)
• M3: 831,615 km (0.087 R)
• M4: 1,146,368 km (0.077 R)
• M5: 1,941,780 km (0.11 R)
• M6: 2,426,029 km (0.117 R)
• M7: 2,911,025 km (0.074 R)
• M8: 3,765,079 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 8.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.96 AU - 1.18 AU

Year: 764 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,887,260 km

• M1: 105,167 km (0.076 R)
• M2: 438,920 km (0.111 R)
• M3: 852,259 km (0.068 R)
• M4: 1,118,094 km (0.104 R)
• M5: 1,726,359 km (0.106 R)
• M6: 2,312,933 km (0.114 R)
• M7: 2,588,342 km (0.112 R)
• M8: 3,194,513 km (0.113 R)
• M9: 4,325,922 km (0.113 R)
• M10: 4,687,200 km (0.096 R)
• M11: 5,131,357 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 9

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.98 AU - 1.3 AU

Year: 840 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,887,260 km

• M1: 111,899 km (0.037 R)
• M2: 413,189 km (0.038 R)
• M3: 737,218 km (0.032 R)
• M4: 1,222,663 km (0.087 R)
• M5: 1,514,678 km (0.111 R)
• M6: 1,816,866 km (0.104 R)
• M7: 2,097,811 km (0.117 R)
• M8: 2,441,736 km (0.111 R)
• M9: 3,300,129 km (0.113 R)
• M10: 3,939,062 km (0.086 R)
• M11: 4,693,484 km (0.03 R)
• M12: 5,058,353 km (0.109 R)
• M13: 5,804,098 km (0.083 R)
• M14: 7,439,801 km (0.091 R)
• M15: 7,735,556 km (0.081 R)
• M16: 9,390,707 km (0.1 R)
• M17: 9,883,034 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 10.6

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.49 AU - 3.17 AU

Year: 3286 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,887,260 km

• M1: 133,292 km (0.077 R)
• M2: 487,390 km (0.104 R)
• M3: 943,813 km (0.12 R)
• M4: 1,397,244 km (0.082 R)
• M5: 1,765,853 km (0.101 R)
• M6: 2,315,476 km (0.116 R)
• M7: 2,906,687 km (0.12 R)
• M8: 4,033,757 km (0.054 R)
• M9: 4,414,035 km (0.098 R)
• M10: 5,431,001 km (0.057 R)
• M11: 6,357,610 km (0.102 R)
• M12: 6,812,238 km (0.055 R)
• M13: 8,888,956 km (0.099 R)
• M14: 9,265,793 km (0.092 R)
• M15: 11,846,207 km (0.076 R)
• M16: 12,256,853 km (0.103 R)
• M17: 12,629,950 km (0.115 R)
• M18: 13,497,019 km (0.081 R)
• M19: 14,096,907 km (0.079 R)
• M20: 14,455,044 km (0.117 R)
• M21: 16,281,484 km (0.114 R)
• M22: 16,618,977 km (0.062 R)
• M23: 17,837,751 km (0.1 R)
• M24: 19,744,226 km (0.087 R)
• M25: 22,748,002 km (0.085 R)
• M26: 24,689,633 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 10.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.35 AU - 4.73 AU

Year: 5605 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,887,260 km

• M1: 131,197 km (0.088 R)
• M2: 480,508 km (0.12 R)
• M3: 872,305 km (0.074 R)
• M4: 1,212,790 km (0.119 R)
• M5: 1,793,080 km (0.09 R)
• M6: 2,684,534 km (0.085 R)
• M7: 3,697,461 km (0.079 R)
• M8: 4,568,420 km (0.057 R)
• M9: 5,185,661 km (0.039 R)
• M10: 5,857,505 km (0.112 R)
• M11: 6,306,298 km (0.102 R)
• M12: 7,138,661 km (0.102 R)
• M13: 9,418,084 km (0.104 R)
• M14: 12,192,675 km (0.095 R)
• M15: 12,531,215 km (0.115 R)
• M16: 15,136,013 km (0.118 R)
• M17: 15,527,511 km (0.109 R)
• M18: 16,565,122 km (0.103 R)
• M19: 17,161,269 km (0.054 R)
• M20: 17,648,360 km (0.09 R)
• M21: 18,778,273 km (0.114 R)
• M22: 19,557,827 km (0.092 R)
• M23: 19,888,887 km (0.049 R)
• M24: 20,904,956 km (0.093 R)
• M25: 21,251,126 km (0.071 R)
• M26: 22,026,342 km (0.119 R)
• M27: 24,160,505 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.7

Radius: 7.7

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.58 AU - 7.38 AU

Year: 12729 Days

Day: 24.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,887,260 km

• M1: 95,892 km (0.116 R)
• M2: 628,760 km (0.116 R)
• M3: 880,832 km (0.051 R)
• M4: 1,167,611 km (0.066 R)
• M5: 2,224,670 km (0.08 R)
• M6: 2,786,859 km (0.062 R)
• M7: 3,513,156 km (0.043 R)
• M8: 4,800,446 km (0.05 R)
• M9: 5,771,037 km (0.101 R)
• M10: 6,376,011 km (0.11 R)
• M11: 7,180,847 km (0.058 R)
• M12: 8,181,807 km (0.072 R)
• M13: 8,898,829 km (0.089 R)
• M14: 9,367,669 km (0.088 R)
• M15: 10,355,015 km (0.104 R)
• M16: 12,419,466 km (0.1 R)
• M17: 13,794,270 km (0.08 R)
• M18: 16,913,834 km (0.087 R)
• M19: 20,153,526 km (0.114 R)
• M20: 22,558,013 km (0.081 R)
• M21: 23,784,565 km (0.097 R)
• M22: 24,323,567 km (0.084 R)
• M23: 27,044,453 km (0.119 R)
• M24: 29,961,761 km (0.082 R)
• M25: 30,275,019 km (0.098 R)
• M26: 31,014,481 km (0.094 R)
• M27: 34,663,622 km (0.111 R)
• M28: 38,712,488 km (0.038 R)
• M29: 39,333,319 km (0.061 R)
• M30: 44,405,734 km (0.037 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 11,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit