🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 8.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.54 AU - 0.76 AU

Year: 349 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,781,360 km

• M1: 100,679 km (0.112 R)
• M2: 356,941 km (0.101 R)
• M3: 755,170 km (0.115 R)
• M4: 1,048,980 km (0.091 R)
• M5: 1,509,592 km (0.113 R)
• M6: 1,771,239 km (0.07 R)
• M7: 2,121,148 km (0.047 R)
• M8: 2,508,756 km (0.082 R)
• M9: 2,906,537 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.6

Radius: 9

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.67 AU - 0.73 AU

Year: 391 Days

Day: 12.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,781,360 km

• M1: 111,899 km (0.095 R)
• M2: 398,978 km (0.074 R)
• M3: 720,912 km (0.108 R)
• M4: 1,067,530 km (0.096 R)
• M5: 1,412,802 km (0.095 R)
• M6: 1,748,201 km (0.082 R)
• M7: 2,455,948 km (0.114 R)
• M8: 3,000,484 km (0.085 R)
• M9: 3,295,940 km (0.102 R)
• M10: 5,736,480 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 13.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.66 AU - 1.06 AU

Year: 532 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,781,360 km

• M1: 165,455 km (0.098 R)
• M2: 601,683 km (0.061 R)
• M3: 1,180,028 km (0.1 R)
• M4: 1,648,419 km (0.119 R)
• M5: 2,216,592 km (0.099 R)
• M6: 3,040,427 km (0.052 R)
• M7: 3,477,103 km (0.075 R)
• M8: 3,943,101 km (0.114 R)
• M9: 4,492,873 km (0.087 R)
• M10: 5,232,485 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 14.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.16 AU - 3.78 AU

Year: 4310 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,781,360 km

• M1: 179,368 km (0.045 R)
• M2: 680,521 km (0.063 R)
• M3: 1,259,913 km (0.103 R)
• M4: 1,891,067 km (0.063 R)
• M5: 2,888,585 km (0.09 R)
• M6: 3,404,848 km (0.089 R)
• M7: 4,166,600 km (0.048 R)
• M8: 4,778,455 km (0.098 R)
• M9: 5,942,027 km (0.106 R)
• M10: 7,958,158 km (0.119 R)
• M11: 8,632,096 km (0.113 R)
• M12: 9,966,659 km (0.106 R)
• M13: 11,716,505 km (0.073 R)
• M14: 12,540,341 km (0.05 R)
• M15: 15,132,273 km (0.095 R)
• M16: 18,900,494 km (0.107 R)
• M17: 19,830,843 km (0.086 R)
• M18: 23,860,412 km (0.089 R)
• M19: 25,663,216 km (0.047 R)
• M20: 26,310,974 km (0.079 R)
• M21: 27,808,748 km (0.088 R)
• M22: 28,492,261 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 14.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.9 AU - 4.54 AU

Year: 4785 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,781,360 km

• M1: 175,478 km (0.102 R)
• M2: 1,582,895 km (0.115 R)
• M3: 2,542,865 km (0.055 R)
• M4: 3,429,232 km (0.117 R)
• M5: 6,914,114 km (0.091 R)
• M6: 7,579,077 km (0.087 R)
• M7: 8,045,822 km (0.119 R)
• M8: 9,111,258 km (0.08 R)
• M9: 9,601,341 km (0.086 R)
• M10: 12,412,883 km (0.092 R)
• M11: 15,574,036 km (0.097 R)
• M12: 19,360,508 km (0.068 R)
• M13: 20,684,000 km (0.091 R)
• M14: 22,269,289 km (0.052 R)
• M15: 23,651,274 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 8.7

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.13 AU - 4.57 AU

Year: 5038 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 30,781,360 km

• M1: 139,425 km (0.111 R)
• M2: 446,550 km (0.113 R)
• M3: 850,913 km (0.088 R)
• M4: 1,826,740 km (0.104 R)
• M5: 2,948,424 km (0.087 R)
• M6: 3,568,358 km (0.055 R)
• M7: 5,351,864 km (0.059 R)
• M8: 6,436,748 km (0.118 R)
• M9: 6,806,254 km (0.082 R)
• M10: 7,154,518 km (0.042 R)
• M11: 7,924,498 km (0.072 R)
• M12: 10,939,793 km (0.086 R)
• M13: 11,369,887 km (0.076 R)
• M14: 12,061,179 km (0.065 R)
• M15: 13,473,233 km (0.101 R)
• M16: 13,746,399 km (0.109 R)
• M17: 16,066,512 km (0.064 R)
• M18: 16,622,418 km (0.074 R)
• M19: 17,903,724 km (0.11 R)
• M20: 18,771,092 km (0.059 R)
• M21: 20,589,454 km (0.107 R)
• M22: 21,615,696 km (0.112 R)
• M23: 22,293,374 km (0.11 R)
• M24: 25,393,939 km (0.038 R)
• M25: 25,895,242 km (0.063 R)
• M26: 27,090,379 km (0.074 R)
• M27: 28,951,676 km (0.12 R)
• M28: 31,659,846 km (0.062 R)
• M29: 33,025,824 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.4

Radius: 14.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.24 AU - 5.7 AU

Year: 7389 Days

Day: 9.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,781,360 km

• M1: 181,462 km (0.054 R)
• M2: 1,029,383 km (0.066 R)
• M3: 2,362,450 km (0.108 R)
• M4: 5,829,829 km (0.028 R)
• M5: 6,990,110 km (0.058 R)
• M6: 12,886,660 km (0.045 R)
• M7: 15,144,540 km (0.082 R)
• M8: 17,067,471 km (0.063 R)
• M9: 18,459,629 km (0.093 R)
• M10: 21,020,296 km (0.099 R)
• M11: 31,358,855 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 9.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.52 AU - 6.48 AU

Year: 8601 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,781,360 km

• M1: 130,599 km (0.106 R)
• M2: 500,106 km (0.056 R)
• M3: 1,056,909 km (0.092 R)
• M4: 1,520,064 km (0.079 R)
• M5: 2,323,554 km (0.092 R)
• M6: 3,156,066 km (0.108 R)
• M7: 4,377,982 km (0.092 R)
• M8: 5,342,290 km (0.114 R)
• M9: 10,319,112 km (0.092 R)
• M10: 10,691,610 km (0.067 R)
• M11: 11,612,385 km (0.094 R)
• M12: 12,637,879 km (0.087 R)
• M13: 13,336,052 km (0.094 R)
• M14: 13,778,413 km (0.089 R)
• M15: 14,576,069 km (0.096 R)
• M16: 18,076,808 km (0.09 R)
• M17: 20,382,859 km (0.11 R)
• M18: 23,432,711 km (0.075 R)
• M19: 23,915,015 km (0.105 R)
• M20: 25,401,718 km (0.074 R)
• M21: 28,105,102 km (0.103 R)
• M22: 29,293,806 km (0.076 R)
• M23: 29,666,305 km (0.082 R)
• M24: 32,263,324 km (0.093 R)
• M25: 32,960,600 km (0.045 R)
• M26: 34,592,114 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.2

Radius: 6

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.68 AU - 8.42 AU

Year: 15231 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,781,360 km

• M1: 74,649 km (0.116 R)
• M2: 272,268 km (0.072 R)
• M3: 504,444 km (0.095 R)
• M4: 727,195 km (0.052 R)
• M5: 1,158,187 km (0.062 R)
• M6: 1,938,489 km (0.105 R)
• M7: 4,076,392 km (0.065 R)
• M8: 5,072,864 km (0.065 R)
• M9: 6,004,111 km (0.058 R)
• M10: 7,252,206 km (0.117 R)
• M11: 13,342,484 km (0.103 R)
• M12: 14,423,479 km (0.1 R)
• M13: 18,733,393 km (0.076 R)
• M14: 20,225,483 km (0.099 R)
• M15: 20,857,982 km (0.089 R)
• M16: 27,497,435 km (0.112 R)
• M17: 30,231,934 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 16,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit