🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 11.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.62 AU - 0.62 AU

Year: 337 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,382,972 km

• M1: 147,055 km (0.09 R)
• M2: 542,591 km (0.058 R)
• M3: 1,189,453 km (0.071 R)
• M4: 1,625,530 km (0.1 R)
• M5: 2,194,601 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 13.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.68 AU - 0.68 AU

Year: 387 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,382,972 km

• M1: 167,998 km (0.069 R)
• M2: 604,226 km (0.038 R)
• M3: 1,039,855 km (0.111 R)
• M4: 1,460,674 km (0.083 R)
• M5: 1,999,076 km (0.097 R)
• M6: 2,604,349 km (0.054 R)
• M7: 3,253,903 km (0.106 R)
• M8: 4,808,824 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.2

Radius: 9.6

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.82 AU - 1.12 AU

Year: 659 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,382,972 km

• M1: 122,820 km (0.089 R)
• M2: 704,756 km (0.081 R)
• M3: 1,047,035 km (0.055 R)
• M4: 1,364,482 km (0.034 R)
• M5: 1,722,320 km (0.119 R)
• M6: 2,171,862 km (0.082 R)
• M7: 2,499,631 km (0.05 R)
• M8: 2,944,236 km (0.109 R)
• M9: 3,860,373 km (0.096 R)
• M10: 4,392,493 km (0.111 R)
• M11: 4,955,729 km (0.103 R)
• M12: 5,309,079 km (0.084 R)
• M13: 5,812,775 km (0.119 R)
• M14: 6,368,381 km (0.061 R)
• M15: 6,894,218 km (0.101 R)
• M16: 7,201,043 km (0.07 R)
• M17: 8,080,529 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 14.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.65 AU - 2.05 AU

Year: 1737 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,382,972 km

• M1: 176,525 km (0.025 R)
• M2: 844,480 km (0.119 R)
• M3: 2,411,817 km (0.05 R)
• M4: 3,311,199 km (0.109 R)
• M5: 4,232,273 km (0.104 R)
• M6: 5,634,454 km (0.119 R)
• M7: 6,763,769 km (0.094 R)
• M8: 7,354,979 km (0.11 R)
• M9: 9,370,960 km (0.117 R)
• M10: 10,917,653 km (0.11 R)
• M11: 11,695,113 km (0.095 R)
• M12: 12,351,249 km (0.055 R)
• M13: 13,195,729 km (0.097 R)
• M14: 13,779,909 km (0.083 R)
• M15: 14,910,420 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 11.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.16 AU - 3.28 AU

Year: 3988 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,382,972 km

• M1: 140,622 km (0.095 R)
• M2: 505,342 km (0.113 R)
• M3: 884,423 km (0.099 R)
• M4: 1,462,918 km (0.101 R)
• M5: 1,912,609 km (0.071 R)
• M6: 2,753,498 km (0.088 R)
• M7: 3,152,925 km (0.047 R)
• M8: 3,675,320 km (0.114 R)
• M9: 4,070,109 km (0.109 R)
• M10: 4,842,633 km (0.038 R)
• M11: 5,540,208 km (0.046 R)
• M12: 6,272,938 km (0.101 R)
• M13: 7,859,872 km (0.057 R)
• M14: 10,243,565 km (0.076 R)
• M15: 11,165,387 km (0.112 R)
• M16: 13,634,051 km (0.067 R)
• M17: 14,157,793 km (0.115 R)
• M18: 15,924,095 km (0.101 R)
• M19: 21,673,590 km (0.071 R)
• M20: 23,264,414 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.8

Radius: 13.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.97 AU - 5.99 AU

Year: 8855 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,382,972 km

• M1: 172,935 km (0.118 R)
• M2: 672,143 km (0.068 R)
• M3: 1,198,578 km (0.074 R)
• M4: 1,665,922 km (0.09 R)
• M5: 2,112,621 km (0.064 R)
• M6: 2,604,050 km (0.055 R)
• M7: 3,364,755 km (0.114 R)
• M8: 4,091,651 km (0.033 R)
• M9: 6,022,511 km (0.07 R)
• M10: 6,772,744 km (0.066 R)
• M11: 7,816,938 km (0.044 R)
• M12: 9,446,956 km (0.036 R)
• M13: 10,701,633 km (0.059 R)
• M14: 13,768,838 km (0.056 R)
• M15: 15,691,171 km (0.101 R)
• M16: 16,456,364 km (0.092 R)
• M17: 17,112,800 km (0.073 R)
• M18: 18,973,049 km (0.097 R)
• M19: 20,585,714 km (0.094 R)
• M20: 22,768,347 km (0.08 R)
• M21: 23,337,268 km (0.102 R)
• M22: 24,250,413 km (0.039 R)
• M23: 27,773,144 km (0.094 R)
• M24: 32,332,139 km (0.076 R)
• M25: 33,258,748 km (0.119 R)
• M26: 35,925,779 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.2

Radius: 3.4

Gravity: 61.61 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.53 AU - 6.97 AU

Year: 9517 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,382,972 km

• M1: 42,336 km (0.073 R)
• M2: 203,902 km (0.061 R)
• M3: 349,311 km (0.045 R)
• M4: 584,180 km (0.104 R)
• M5: 1,297,014 km (0.047 R)
• M6: 1,838,857 km (0.049 R)
• M7: 2,020,618 km (0.093 R)
• M8: 2,287,651 km (0.081 R)
• M9: 2,618,112 km (0.082 R)
• M10: 7,641,010 km (0.073 R)
• M11: 14,287,345 km (0.115 R)
• M12: 14,867,336 km (0.105 R)
• M13: 20,567,164 km (0.107 R)
• M14: 21,223,001 km (0.07 R)
• M15: 21,892,751 km (0.106 R)
• M16: 24,166,489 km (0.072 R)
• M17: 26,018,959 km (0.112 R)
• M18: 27,765,365 km (0.1 R)
• M19: 29,899,528 km (0.096 R)
• M20: 38,289,126 km (0.034 R)
• M21: 46,983,605 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.7

Radius: 3.9

Gravity: 52.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.03 AU - 7.51 AU

Year: 10837 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,382,972 km

• M1: 50,265 km (0.102 R)
• M2: 279,449 km (0.083 R)
• M3: 450,140 km (0.112 R)
• M4: 655,987 km (0.079 R)
• M5: 922,570 km (0.107 R)
• M6: 1,121,834 km (0.075 R)
• M7: 1,699,731 km (0.106 R)
• M8: 2,394,464 km (0.114 R)
• M9: 2,794,039 km (0.115 R)
• M10: 3,068,402 km (0.099 R)
• M11: 3,310,601 km (0.12 R)
• M12: 3,513,306 km (0.12 R)
• M13: 3,697,461 km (0.102 R)
• M14: 3,888,049 km (0.108 R)
• M15: 4,941,068 km (0.087 R)
• M16: 5,105,626 km (0.109 R)
• M17: 5,273,774 km (0.099 R)
• M18: 5,728,402 km (0.117 R)
• M19: 6,284,906 km (0.116 R)
• M20: 7,206,877 km (0.115 R)
• M21: 7,461,493 km (0.109 R)
• M22: 7,678,260 km (0.111 R)
• M23: 8,825,526 km (0.106 R)
• M24: 10,082,448 km (0.106 R)
• M25: 12,394,184 km (0.057 R)
• M26: 13,964,363 km (0.109 R)
• M27: 17,722,112 km (0.05 R)
• M28: 20,205,287 km (0.081 R)
• M29: 29,563,082 km (0.06 R)
• M30: 31,547,349 km (0.099 R)
• M31: 34,447,752 km (0.049 R)
• M32: 34,927,812 km (0.118 R)
• M33: 47,235,378 km (0.081 R)
• M34: 47,530,983 km (0.069 R)
• M35: 51,485,902 km (0.06 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 18,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit