🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 8.3

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.63 AU - 0.93 AU

Year: 467 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,366,440 km

• M1: 103,372 km (0.048 R)
• M2: 378,034 km (0.104 R)
• M3: 797,357 km (0.045 R)
• M4: 1,149,061 km (0.077 R)
• M5: 1,897,200 km (0.102 R)
• M6: 2,163,784 km (0.085 R)
• M7: 2,731,059 km (0.034 R)
• M8: 3,004,524 km (0.093 R)
• M9: 3,296,389 km (0.073 R)
• M10: 3,645,850 km (0.088 R)
• M11: 4,089,258 km (0.065 R)
• M12: 4,375,289 km (0.047 R)
• M13: 4,923,864 km (0.106 R)
• M14: 5,725,859 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 9.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.75 AU - 0.83 AU

Year: 476 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,366,440 km

• M1: 121,922 km (0.106 R)
• M2: 490,980 km (0.077 R)
• M3: 1,523,056 km (0.119 R)
• M4: 1,953,898 km (0.095 R)
• M5: 2,910,726 km (0.093 R)
• M6: 3,650,038 km (0.038 R)
• M7: 4,915,038 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.8

Radius: 13.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.05 AU - 1.41 AU

Year: 925 Days

Day: 14.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,366,440 km

• M1: 172,935 km (0.095 R)
• M2: 642,972 km (0.111 R)
• M3: 1,078,750 km (0.103 R)
• M4: 1,596,808 km (0.036 R)
• M5: 2,349,135 km (0.096 R)
• M6: 2,891,876 km (0.098 R)
• M7: 4,146,404 km (0.117 R)
• M8: 4,595,796 km (0.096 R)
• M9: 5,435,339 km (0.045 R)
• M10: 6,631,225 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.3

Radius: 14.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.36 AU - 1.8 AU

Year: 1347 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,366,440 km

• M1: 186,698 km (0.037 R)
• M2: 694,882 km (0.112 R)
• M3: 1,298,210 km (0.101 R)
• M4: 2,343,301 km (0.105 R)
• M5: 4,132,043 km (0.091 R)
• M6: 5,202,116 km (0.064 R)
• M7: 5,994,835 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.6

Radius: 14.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.42 AU - 2.32 AU

Year: 1734 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,366,440 km

• M1: 184,454 km (0.084 R)
• M2: 744,249 km (0.09 R)
• M3: 1,294,022 km (0.038 R)
• M4: 1,866,233 km (0.094 R)
• M5: 3,139,760 km (0.065 R)
• M6: 3,709,878 km (0.098 R)
• M7: 4,505,140 km (0.119 R)
• M8: 5,103,980 km (0.049 R)
• M9: 7,254,001 km (0.096 R)
• M10: 7,991,668 km (0.099 R)
• M11: 9,063,387 km (0.103 R)
• M12: 10,579,561 km (0.08 R)
• M13: 11,492,108 km (0.029 R)
• M14: 13,142,622 km (0.068 R)
• M15: 14,067,885 km (0.105 R)
• M16: 15,399,156 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 8.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.98 AU - 2.42 AU

Year: 2213 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,366,440 km

• M1: 100,829 km (0.111 R)
• M2: 774,019 km (0.1 R)
• M3: 1,095,505 km (0.118 R)
• M4: 1,597,556 km (0.107 R)
• M5: 2,049,192 km (0.117 R)
• M6: 2,518,331 km (0.088 R)
• M7: 2,771,899 km (0.093 R)
• M8: 3,028,011 km (0.076 R)
• M9: 3,474,111 km (0.11 R)
• M10: 4,459,363 km (0.045 R)
• M11: 5,985,710 km (0.082 R)
• M12: 8,087,261 km (0.091 R)
• M13: 8,824,479 km (0.061 R)
• M14: 12,608,408 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 13.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.38 AU - 3.18 AU

Year: 3144 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,366,440 km

• M1: 162,912 km (0.12 R)
• M2: 1,034,469 km (0.109 R)
• M3: 2,665,535 km (0.102 R)
• M4: 3,537,092 km (0.095 R)
• M5: 4,722,356 km (0.108 R)
• M6: 5,226,800 km (0.085 R)
• M7: 6,156,850 km (0.054 R)
• M8: 10,352,921 km (0.065 R)
• M9: 11,368,690 km (0.102 R)
• M10: 12,364,114 km (0.11 R)
• M11: 13,282,197 km (0.092 R)
• M12: 14,528,646 km (0.081 R)

Asteroid Belt

Center: 4.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.1

Radius: 5.6

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.72 AU - 6.78 AU

Year: 11895 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,366,440 km

• M1: 103,671 km (0.067 R)
• M2: 376,687 km (0.114 R)
• M3: 1,524,552 km (0.092 R)
• M4: 1,719,328 km (0.054 R)
• M5: 3,359,220 km (0.103 R)
• M6: 3,717,806 km (0.111 R)
• M7: 4,158,522 km (0.068 R)
• M8: 6,350,878 km (0.07 R)
• M9: 7,911,334 km (0.062 R)
• M10: 9,915,048 km (0.113 R)
• M11: 10,759,976 km (0.045 R)
• M12: 16,281,634 km (0.104 R)
• M13: 19,318,919 km (0.076 R)
• M14: 19,804,813 km (0.081 R)
• M15: 22,357,551 km (0.106 R)
• M16: 22,983,170 km (0.063 R)
• M17: 23,620,457 km (0.109 R)
• M18: 26,684,520 km (0.115 R)
• M19: 29,043,679 km (0.093 R)
• M20: 39,224,263 km (0.083 R)
• M21: 50,624,518 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.9

Radius: 4.2

Gravity: 21.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.36 AU - 7.6 AU

Year: 12508 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,366,440 km

• M1: 52,210 km (0.047 R)
• M2: 202,556 km (0.053 R)
• M3: 335,249 km (0.1 R)
• M4: 542,591 km (0.098 R)
• M5: 823,237 km (0.107 R)
• M6: 1,028,186 km (0.047 R)
• M7: 1,254,229 km (0.105 R)
• M8: 1,597,107 km (0.106 R)
• M9: 1,917,396 km (0.063 R)
• M10: 2,067,293 km (0.113 R)
• M11: 2,684,983 km (0.089 R)
• M12: 6,738,337 km (0.06 R)
• M13: 8,114,936 km (0.117 R)
• M14: 10,110,871 km (0.088 R)
• M15: 10,261,217 km (0.113 R)
• M16: 10,617,858 km (0.054 R)
• M17: 12,758,155 km (0.119 R)
• M18: 17,147,806 km (0.11 R)
• M19: 17,433,537 km (0.116 R)
• M20: 18,533,231 km (0.053 R)
• M21: 19,368,586 km (0.082 R)
• M22: 23,308,545 km (0.12 R)
• M23: 23,835,878 km (0.064 R)
• M24: 24,914,029 km (0.1 R)
• M25: 32,073,783 km (0.085 R)
• M26: 32,835,237 km (0.069 R)
• M27: 33,165,399 km (0.089 R)
• M28: 34,056,254 km (0.117 R)
• M29: 37,299,985 km (0.115 R)
• M30: 39,242,962 km (0.093 R)
• M31: 41,894,136 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.3

Radius: 6.8

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.98 AU - 9.2 AU

Year: 15607 Days

Day: 23.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,366,440 km

• M1: 84,822 km (0.068 R)
• M2: 305,329 km (0.117 R)
• M3: 551,717 km (0.069 R)
• M4: 1,225,655 km (0.1 R)
• M5: 1,990,848 km (0.114 R)
• M6: 2,455,948 km (0.059 R)
• M7: 3,014,846 km (0.055 R)
• M8: 3,574,192 km (0.069 R)
• M9: 4,732,379 km (0.12 R)
• M10: 5,168,906 km (0.114 R)
• M11: 6,083,547 km (0.088 R)
• M12: 7,719,400 km (0.087 R)
• M13: 10,001,515 km (0.096 R)
• M14: 10,384,336 km (0.105 R)
• M15: 12,953,530 km (0.109 R)
• M16: 13,342,933 km (0.113 R)
• M17: 13,941,474 km (0.114 R)
• M18: 14,907,877 km (0.056 R)
• M19: 15,191,963 km (0.1 R)
• M20: 16,591,301 km (0.095 R)
• M21: 17,361,282 km (0.104 R)
• M22: 19,138,953 km (0.093 R)
• M23: 23,241,076 km (0.098 R)
• M24: 26,417,338 km (0.068 R)
• M25: 27,572,683 km (0.089 R)
• M26: 30,323,189 km (0.045 R)
• M27: 32,770,760 km (0.07 R)
• M28: 34,721,666 km (0.079 R)
• M29: 34,970,746 km (0.098 R)
• M30: 36,362,754 km (0.066 R)
• M31: 37,659,768 km (0.117 R)
• M32: 40,345,947 km (0.107 R)
• M33: 41,176,066 km (0.059 R)
• M34: 46,548,425 km (0.049 R)
• M35: 47,614,758 km (0.106 R)
• M36: 47,922,331 km (0.059 R)
• M37: 53,191,767 km (0.096 R)
• M38: 55,709,499 km (0.111 R)
• M39: 57,605,652 km (0.104 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: 443 - 11,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit