🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 13.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.9 AU - 1.14 AU

Year: 687 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,231,050 km

• M1: 162,912 km (0.082 R)
• M2: 1,003,054 km (0.077 R)
• M3: 1,568,833 km (0.094 R)
• M4: 2,114,117 km (0.114 R)
• M5: 2,572,635 km (0.089 R)
• M6: 3,532,155 km (0.088 R)
• M7: 4,395,185 km (0.108 R)
• M8: 5,119,239 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 13.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.46 AU - 1.76 AU

Year: 1362 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,231,050 km

• M1: 173,833 km (0.108 R)
• M2: 906,114 km (0.1 R)
• M3: 1,432,998 km (0.073 R)
• M4: 2,819,621 km (0.082 R)
• M5: 3,278,737 km (0.105 R)
• M6: 3,803,975 km (0.089 R)
• M7: 4,247,233 km (0.113 R)
• M8: 4,949,146 km (0.106 R)
• M9: 5,378,492 km (0.055 R)
• M10: 5,854,064 km (0.119 R)
• M11: 6,312,881 km (0.079 R)
• M12: 7,082,562 km (0.093 R)
• M13: 7,706,684 km (0.063 R)
• M14: 8,448,989 km (0.094 R)
• M15: 9,832,470 km (0.092 R)
• M16: 10,356,960 km (0.103 R)
• M17: 10,803,061 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.9

Radius: 12.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.06 AU - 3.26 AU

Year: 2893 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,231,050 km

• M1: 156,629 km (0.078 R)
• M2: 585,825 km (0.097 R)
• M3: 1,725,761 km (0.091 R)
• M4: 2,343,301 km (0.071 R)
• M5: 2,772,797 km (0.108 R)
• M6: 3,375,676 km (0.067 R)
• M7: 4,124,563 km (0.031 R)
• M8: 5,308,032 km (0.047 R)
• M9: 5,979,128 km (0.037 R)
• M10: 6,990,110 km (0.115 R)
• M11: 8,207,687 km (0.081 R)
• M12: 9,210,143 km (0.11 R)
• M13: 10,143,484 km (0.052 R)
• M14: 13,058,249 km (0.097 R)
• M15: 13,593,211 km (0.098 R)
• M16: 16,697,965 km (0.067 R)
• M17: 17,222,455 km (0.069 R)
• M18: 18,862,347 km (0.033 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.3

Radius: 4.1

Gravity: 23.81 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.94 AU - 7.88 AU

Year: 13451 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,231,050 km

• M1: 59,091 km (0.087 R)
• M2: 286,480 km (0.03 R)
• M3: 509,231 km (0.098 R)
• M4: 938,427 km (0.079 R)
• M5: 1,788,143 km (0.062 R)
• M6: 3,902,410 km (0.086 R)
• M7: 7,774,901 km (0.076 R)
• M8: 12,600,329 km (0.103 R)
• M9: 15,798,882 km (0.083 R)
• M10: 17,143,916 km (0.098 R)
• M11: 18,258,271 km (0.065 R)
• M12: 22,061,796 km (0.106 R)
• M13: 36,448,474 km (0.11 R)
• M14: 36,810,800 km (0.096 R)
• M15: 46,386,111 km (0.105 R)
• M16: 48,539,722 km (0.1 R)
• M17: 48,685,580 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.5

Radius: 4.7

Gravity: 18.13 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.54 AU - 9.02 AU

Year: 14471 Days

Day: 21.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,231,050 km

• M1: 58,493 km (0.104 R)
• M2: 211,382 km (0.089 R)
• M3: 553,363 km (0.109 R)
• M4: 1,294,770 km (0.106 R)
• M5: 1,614,011 km (0.116 R)
• M6: 2,468,215 km (0.087 R)
• M7: 3,167,436 km (0.112 R)
• M8: 4,187,843 km (0.079 R)
• M9: 5,582,544 km (0.115 R)
• M10: 6,384,388 km (0.111 R)
• M11: 7,770,562 km (0.064 R)
• M12: 9,949,156 km (0.099 R)
• M13: 10,207,960 km (0.074 R)
• M14: 10,418,295 km (0.089 R)
• M15: 11,177,355 km (0.099 R)
• M16: 12,265,679 km (0.086 R)
• M17: 14,918,348 km (0.118 R)
• M18: 17,031,568 km (0.052 R)
• M19: 18,859,504 km (0.086 R)
• M20: 19,902,202 km (0.117 R)
• M21: 20,646,301 km (0.104 R)
• M22: 21,667,008 km (0.071 R)
• M23: 22,631,764 km (0.079 R)
• M24: 24,085,706 km (0.088 R)
• M25: 26,877,651 km (0.086 R)
• M26: 29,451,482 km (0.104 R)
• M27: 32,637,319 km (0.052 R)
• M28: 37,522,587 km (0.117 R)
• M29: 38,276,111 km (0.059 R)
• M30: 43,009,837 km (0.051 R)
• M31: 43,558,711 km (0.102 R)
• M32: 44,530,499 km (0.12 R)
• M33: 47,825,093 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.4

Radius: 7.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.73 AU - 10.27 AU

Year: 18005 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,231,050 km

• M1: 89,609 km (0.08 R)
• M2: 346,020 km (0.03 R)
• M3: 753,076 km (0.113 R)
• M4: 1,798,466 km (0.034 R)
• M5: 2,215,245 km (0.094 R)
• M6: 5,501,910 km (0.103 R)
• M7: 7,056,232 km (0.082 R)
• M8: 10,565,649 km (0.112 R)
• M9: 15,229,063 km (0.092 R)
• M10: 20,424,448 km (0.072 R)
• M11: 24,445,040 km (0.068 R)
• M12: 26,091,813 km (0.055 R)
• M13: 28,963,345 km (0.104 R)
• M14: 29,497,409 km (0.078 R)
• M15: 41,200,899 km (0.083 R)
• M16: 46,812,465 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 16,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit