🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 11

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 1.01 AU

Year: 523 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,423,917 km

• M1: 137,032 km (0.07 R)
• M2: 542,741 km (0.079 R)
• M3: 1,546,992 km (0.117 R)
• M4: 1,911,861 km (0.064 R)
• M5: 2,622,451 km (0.118 R)
• M6: 3,135,721 km (0.103 R)
• M7: 3,501,189 km (0.092 R)
• M8: 4,140,121 km (0.086 R)
• M9: 4,725,049 km (0.116 R)
• M10: 5,909,116 km (0.093 R)
• M11: 6,550,741 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 9.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.1 AU - 1.62 AU

Year: 1058 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,423,917 km

• M1: 119,379 km (0.101 R)
• M2: 449,542 km (0.102 R)
• M3: 896,241 km (0.063 R)
• M4: 1,392,457 km (0.096 R)
• M5: 1,800,859 km (0.077 R)
• M6: 2,332,829 km (0.104 R)
• M7: 3,183,293 km (0.039 R)
• M8: 3,498,945 km (0.106 R)
• M9: 3,819,832 km (0.079 R)
• M10: 4,278,499 km (0.106 R)
• M11: 4,810,469 km (0.068 R)
• M12: 5,267,191 km (0.089 R)
• M13: 6,114,364 km (0.095 R)
• M14: 6,491,201 km (0.086 R)
• M15: 7,365,451 km (0.048 R)
• M16: 8,051,507 km (0.098 R)
• M17: 8,477,711 km (0.106 R)
• M18: 9,288,831 km (0.059 R)
• M19: 10,089,479 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 9.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.04 AU - 2.38 AU

Year: 2191 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,423,917 km

• M1: 116,836 km (0.035 R)
• M2: 509,381 km (0.09 R)
• M3: 1,283,400 km (0.057 R)
• M4: 1,948,063 km (0.076 R)
• M5: 2,364,843 km (0.081 R)
• M6: 2,881,853 km (0.11 R)
• M7: 3,583,767 km (0.12 R)
• M8: 4,267,279 km (0.107 R)
• M9: 4,602,229 km (0.115 R)
• M10: 5,388,515 km (0.103 R)
• M11: 6,052,281 km (0.089 R)
• M12: 6,404,135 km (0.117 R)
• M13: 7,046,359 km (0.092 R)
• M14: 7,622,760 km (0.043 R)
• M15: 11,944,642 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 8

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.97 AU - 4.33 AU

Year: 4650 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,423,917 km

• M1: 99,632 km (0.112 R)
• M2: 483,949 km (0.104 R)
• M3: 759,359 km (0.091 R)
• M4: 1,755,830 km (0.082 R)
• M5: 2,318,617 km (0.092 R)
• M6: 3,195,261 km (0.075 R)
• M7: 3,664,250 km (0.115 R)
• M8: 4,478,511 km (0.084 R)
• M9: 5,206,903 km (0.104 R)
• M10: 6,362,846 km (0.114 R)
• M11: 7,246,521 km (0.054 R)
• M12: 7,755,154 km (0.058 R)
• M13: 8,483,246 km (0.114 R)
• M14: 9,595,058 km (0.099 R)
• M15: 10,570,586 km (0.061 R)
• M16: 11,708,427 km (0.103 R)
• M17: 12,055,195 km (0.033 R)
• M18: 12,511,169 km (0.118 R)
• M19: 14,792,237 km (0.118 R)
• M20: 15,139,305 km (0.12 R)
• M21: 16,831,256 km (0.062 R)
• M22: 18,378,697 km (0.118 R)
• M23: 19,255,490 km (0.107 R)
• M24: 19,738,990 km (0.097 R)
• M25: 21,311,264 km (0.064 R)
• M26: 22,734,987 km (0.112 R)
• M27: 25,770,477 km (0.097 R)
• M28: 27,039,815 km (0.103 R)
• M29: 31,002,663 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.9

Radius: 6.4

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.77 AU - 7.07 AU

Year: 10848 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,423,917 km

• M1: 81,531 km (0.114 R)
• M2: 321,486 km (0.119 R)
• M3: 655,239 km (0.03 R)
• M4: 1,095,655 km (0.081 R)
• M5: 1,325,886 km (0.117 R)
• M6: 1,997,880 km (0.106 R)
• M7: 3,730,971 km (0.101 R)
• M8: 3,936,070 km (0.096 R)
• M9: 4,893,945 km (0.115 R)
• M10: 5,427,261 km (0.085 R)
• M11: 7,869,895 km (0.03 R)
• M12: 9,329,821 km (0.055 R)
• M13: 9,709,201 km (0.062 R)
• M14: 10,857,664 km (0.094 R)
• M15: 14,027,643 km (0.074 R)
• M16: 14,906,979 km (0.077 R)
• M17: 17,621,432 km (0.095 R)
• M18: 18,943,878 km (0.051 R)
• M19: 21,456,075 km (0.026 R)
• M20: 22,117,148 km (0.096 R)
• M21: 24,181,897 km (0.075 R)
• M22: 25,627,611 km (0.089 R)
• M23: 26,939,136 km (0.09 R)
• M24: 28,393,377 km (0.04 R)
• M25: 29,695,327 km (0.098 R)
• M26: 31,141,340 km (0.048 R)
• M27: 35,530,841 km (0.066 R)
• M28: 38,716,079 km (0.118 R)
• M29: 39,818,764 km (0.079 R)
• M30: 40,066,648 km (0.105 R)
• M31: 40,565,407 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.1

Radius: 3.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.21 AU - 9.07 AU

Year: 14082 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,423,917 km

• M1: 41,289 km (0.072 R)
• M2: 258,954 km (0.084 R)
• M3: 542,143 km (0.119 R)
• M4: 747,391 km (0.095 R)
• M5: 1,175,839 km (0.08 R)
• M6: 1,293,124 km (0.102 R)
• M7: 1,637,498 km (0.055 R)
• M8: 2,638,906 km (0.088 R)
• M9: 3,311,349 km (0.042 R)
• M10: 3,890,592 km (0.115 R)
• M11: 6,162,983 km (0.026 R)
• M12: 16,031,805 km (0.09 R)
• M13: 16,339,379 km (0.095 R)
• M14: 17,500,557 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.3

Radius: 5.4

Gravity: 19.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.82 AU - 11.36 AU

Year: 21373 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,423,917 km

• M1: 67,169 km (0.056 R)
• M2: 389,104 km (0.102 R)
• M3: 593,455 km (0.103 R)
• M4: 1,082,341 km (0.067 R)
• M5: 1,257,071 km (0.104 R)
• M6: 1,466,658 km (0.093 R)
• M7: 1,861,895 km (0.098 R)
• M8: 2,963,983 km (0.09 R)
• M9: 3,565,366 km (0.097 R)
• M10: 5,043,393 km (0.091 R)
• M11: 6,020,417 km (0.066 R)
• M12: 6,575,425 km (0.035 R)
• M13: 7,025,266 km (0.094 R)
• M14: 8,655,434 km (0.092 R)
• M15: 8,922,765 km (0.101 R)
• M16: 9,643,378 km (0.098 R)
• M17: 9,988,799 km (0.117 R)
• M18: 11,971,869 km (0.106 R)
• M19: 14,500,073 km (0.05 R)
• M20: 14,801,363 km (0.1 R)
• M21: 18,220,721 km (0.1 R)
• M22: 18,395,452 km (0.069 R)
• M23: 18,926,674 km (0.061 R)
• M24: 19,286,457 km (0.107 R)
• M25: 24,921,360 km (0.092 R)
• M26: 28,637,969 km (0.071 R)
• M27: 32,450,920 km (0.11 R)
• M28: 37,007,072 km (0.112 R)
• M29: 37,287,568 km (0.105 R)
• M30: 40,171,666 km (0.09 R)
• M31: 44,296,229 km (0.06 R)
• M32: 51,607,825 km (0.118 R)
• M33: 59,491,483 km (0.109 R)
• M34: 63,617,691 km (0.099 R)
• M35: 67,930,598 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 20,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit