🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 10.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.61 AU - 0.81 AU

Year: 380 Days

Day: 13.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,596,144 km

• M1: 134,189 km (0.099 R)
• M2: 540,497 km (0.035 R)
• M3: 1,013,825 km (0.097 R)
• M4: 1,345,782 km (0.087 R)
• M5: 1,801,906 km (0.119 R)
• M6: 2,224,969 km (0.108 R)
• M7: 2,825,605 km (0.102 R)
• M8: 3,274,249 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57

Radius: 14.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.86 AU - 0.9 AU

Year: 525 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,596,144 km

• M1: 185,352 km (0.097 R)
• M2: 1,281,007 km (0.097 R)
• M3: 1,945,520 km (0.114 R)
• M4: 2,446,224 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.56 AU - 1.76 AU

Year: 1360 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,596,144 km

• M1: 111,899 km (0.055 R)
• M2: 409,150 km (0.111 R)
• M3: 702,512 km (0.063 R)
• M4: 1,073,514 km (0.112 R)
• M5: 1,501,065 km (0.11 R)
• M6: 2,009,847 km (0.116 R)
• M7: 2,343,451 km (0.109 R)
• M8: 3,218,449 km (0.088 R)
• M9: 3,632,984 km (0.076 R)
• M10: 4,465,945 km (0.092 R)
• M11: 4,818,398 km (0.116 R)
• M12: 6,222,224 km (0.064 R)
• M13: 7,123,851 km (0.118 R)
• M14: 8,110,000 km (0.076 R)
• M15: 9,611,214 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 13.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.43 AU - 3.27 AU

Year: 3059 Days

Day: 12.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,596,144 km

• M1: 166,652 km (0.091 R)
• M2: 815,608 km (0.086 R)
• M3: 1,515,426 km (0.065 R)
• M4: 2,187,570 km (0.056 R)
• M5: 3,171,026 km (0.088 R)
• M6: 3,696,863 km (0.088 R)
• M7: 4,949,146 km (0.098 R)
• M8: 5,533,176 km (0.091 R)
• M9: 6,666,231 km (0.067 R)
• M10: 7,503,829 km (0.114 R)
• M11: 8,717,218 km (0.109 R)
• M12: 10,481,276 km (0.119 R)
• M13: 11,078,470 km (0.086 R)
• M14: 12,124,309 km (0.063 R)
• M15: 15,151,572 km (0.12 R)
• M16: 16,019,688 km (0.114 R)
• M17: 18,650,815 km (0.092 R)
• M18: 19,827,851 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.8

Radius: 11.6

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.73 AU - 4.05 AU

Year: 4878 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,596,144 km

• M1: 154,385 km (0.062 R)
• M2: 533,167 km (0.04 R)
• M3: 991,385 km (0.044 R)
• M4: 1,408,763 km (0.108 R)
• M5: 2,329,388 km (0.081 R)
• M6: 2,887,089 km (0.114 R)
• M7: 3,676,517 km (0.101 R)
• M8: 4,388,454 km (0.083 R)
• M9: 6,235,987 km (0.093 R)
• M10: 6,889,281 km (0.113 R)
• M11: 7,519,238 km (0.07 R)
• M12: 8,406,204 km (0.048 R)
• M13: 9,804,196 km (0.052 R)
• M14: 10,994,396 km (0.057 R)
• M15: 11,716,505 km (0.12 R)
• M16: 12,183,699 km (0.118 R)
• M17: 13,255,419 km (0.079 R)
• M18: 14,283,305 km (0.111 R)
• M19: 16,037,341 km (0.102 R)
• M20: 17,808,280 km (0.058 R)
• M21: 18,489,250 km (0.089 R)
• M22: 22,299,059 km (0.105 R)
• M23: 25,576,299 km (0.087 R)
• M24: 26,602,989 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.8

Radius: 8.1

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.17 AU - 5.11 AU

Year: 5356 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,596,144 km

• M1: 100,829 km (0.104 R)
• M2: 383,569 km (0.107 R)
• M3: 668,403 km (0.06 R)
• M4: 1,037,760 km (0.095 R)
• M5: 1,586,635 km (0.111 R)
• M6: 2,122,943 km (0.086 R)
• M7: 2,394,164 km (0.071 R)
• M8: 2,934,512 km (0.118 R)
• M9: 3,272,753 km (0.111 R)
• M10: 3,533,053 km (0.117 R)
• M11: 4,470,583 km (0.047 R)
• M12: 4,919,825 km (0.099 R)
• M13: 5,879,196 km (0.079 R)
• M14: 6,605,793 km (0.057 R)
• M15: 7,983,440 km (0.081 R)
• M16: 8,457,815 km (0.059 R)
• M17: 8,797,103 km (0.079 R)
• M18: 9,382,629 km (0.12 R)
• M19: 9,828,431 km (0.113 R)
• M20: 17,160,372 km (0.058 R)
• M21: 17,643,722 km (0.115 R)
• M22: 18,511,540 km (0.026 R)
• M23: 20,668,891 km (0.115 R)
• M24: 22,055,064 km (0.033 R)
• M25: 24,781,186 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.9

Radius: 7

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.73 AU - 8.95 AU

Year: 16711 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,596,144 km

• M1: 87,066 km (0.025 R)
• M2: 364,121 km (0.113 R)
• M3: 755,170 km (0.077 R)
• M4: 1,352,066 km (0.087 R)
• M5: 1,650,513 km (0.082 R)
• M6: 3,409,934 km (0.063 R)
• M7: 3,748,025 km (0.066 R)
• M8: 4,023,136 km (0.088 R)
• M9: 4,491,526 km (0.059 R)
• M10: 5,607,078 km (0.048 R)
• M11: 5,894,455 km (0.104 R)
• M12: 6,459,786 km (0.114 R)
• M13: 8,143,809 km (0.075 R)
• M14: 10,473,347 km (0.065 R)
• M15: 11,644,997 km (0.059 R)
• M16: 12,963,553 km (0.105 R)
• M17: 13,403,221 km (0.109 R)
• M18: 18,757,179 km (0.109 R)
• M19: 19,976,103 km (0.068 R)
• M20: 21,333,704 km (0.111 R)
• M21: 21,858,194 km (0.108 R)
• M22: 26,070,421 km (0.036 R)
• M23: 27,074,821 km (0.076 R)
• M24: 31,015,827 km (0.089 R)
• M25: 32,832,544 km (0.116 R)
• M26: 35,688,666 km (0.056 R)
• M27: 43,545,397 km (0.107 R)
• M28: 46,692,637 km (0.116 R)
• M29: 47,873,712 km (0.064 R)
• M30: 51,224,106 km (0.114 R)
• M31: 52,480,279 km (0.062 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit