🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 13.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.53 AU - 0.59 AU

Year: 289 Days

Day: 9.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,794,622 km

• M1: 171,589 km (0.072 R)
• M2: 666,608 km (0.081 R)
• M3: 1,422,825 km (0.073 R)
• M4: 2,314,728 km (0.071 R)
• M5: 2,947,976 km (0.081 R)
• M6: 4,049,016 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 9.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.05 AU - 2.93 AU

Year: 2712 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,794,622 km

• M1: 121,174 km (0.082 R)
• M2: 468,840 km (0.06 R)
• M3: 998,566 km (0.118 R)
• M4: 1,671,008 km (0.118 R)
• M5: 2,252,346 km (0.073 R)
• M6: 3,213,961 km (0.073 R)
• M7: 3,855,436 km (0.056 R)
• M8: 5,820,853 km (0.103 R)
• M9: 6,918,154 km (0.104 R)
• M10: 8,050,759 km (0.101 R)
• M11: 9,882,585 km (0.102 R)
• M12: 12,838,788 km (0.085 R)
• M13: 14,114,410 km (0.101 R)
• M14: 17,290,223 km (0.066 R)
• M15: 18,278,466 km (0.099 R)
• M16: 19,771,902 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 14.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.77 AU - 4.01 AU

Year: 4308 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,794,622 km

• M1: 182,360 km (0.117 R)
• M2: 718,668 km (0.115 R)
• M3: 1,429,108 km (0.081 R)
• M4: 2,158,248 km (0.113 R)
• M5: 2,708,769 km (0.109 R)
• M6: 3,178,506 km (0.096 R)
• M7: 4,264,437 km (0.075 R)
• M8: 5,360,391 km (0.084 R)
• M9: 6,162,983 km (0.045 R)
• M10: 7,014,943 km (0.096 R)
• M11: 8,371,796 km (0.093 R)
• M12: 10,200,331 km (0.084 R)
• M13: 11,559,278 km (0.115 R)
• M14: 16,840,681 km (0.117 R)
• M15: 20,522,135 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.1

Radius: 5.3

Gravity: 34.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.37 AU - 8.59 AU

Year: 12729 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,794,622 km

• M1: 65,973 km (0.068 R)
• M2: 603,927 km (0.102 R)
• M3: 920,326 km (0.091 R)
• M4: 1,759,869 km (0.069 R)
• M5: 2,065,647 km (0.116 R)
• M6: 3,097,125 km (0.118 R)
• M7: 5,996,182 km (0.102 R)
• M8: 9,554,218 km (0.081 R)
• M9: 9,770,237 km (0.116 R)
• M10: 12,623,667 km (0.08 R)
• M11: 21,248,732 km (0.075 R)
• M12: 23,917,408 km (0.114 R)
• M13: 24,820,531 km (0.096 R)
• M14: 26,694,693 km (0.056 R)
• M15: 31,668,672 km (0.065 R)
• M16: 33,372,143 km (0.098 R)
• M17: 34,752,782 km (0.12 R)
• M18: 35,392,762 km (0.095 R)
• M19: 36,432,916 km (0.072 R)
• M20: 36,828,303 km (0.102 R)
• M21: 39,260,316 km (0.106 R)
• M22: 45,804,474 km (0.118 R)
• M23: 52,200,232 km (0.109 R)
• M24: 53,717,005 km (0.077 R)
• M25: 58,263,284 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257

Radius: 5

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.92 AU - 11.3 AU

Year: 20563 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,794,622 km

• M1: 62,233 km (0.093 R)
• M2: 254,466 km (0.109 R)
• M3: 529,277 km (0.102 R)
• M4: 768,484 km (0.098 R)
• M5: 955,781 km (0.079 R)
• M6: 1,185,862 km (0.085 R)
• M7: 1,569,880 km (0.115 R)
• M8: 2,315,625 km (0.045 R)
• M9: 2,667,480 km (0.086 R)
• M10: 2,867,941 km (0.074 R)
• M11: 3,054,340 km (0.111 R)
• M12: 4,024,632 km (0.113 R)
• M13: 9,052,167 km (0.104 R)
• M14: 14,700,833 km (0.067 R)
• M15: 20,473,965 km (0.113 R)
• M16: 22,054,616 km (0.083 R)
• M17: 23,620,606 km (0.112 R)
• M18: 25,160,716 km (0.109 R)
• M19: 27,490,105 km (0.107 R)
• M20: 36,834,437 km (0.066 R)
• M21: 39,695,197 km (0.06 R)
• M22: 42,981,114 km (0.08 R)
• M23: 45,707,535 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.9

Radius: 6.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.99 AU - 10.27 AU

Year: 22255 Days

Day: 22.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,794,622 km

• M1: 83,326 km (0.026 R)
• M2: 298,149 km (0.094 R)
• M3: 601,982 km (0.11 R)
• M4: 910,153 km (0.105 R)
• M5: 1,724,863 km (0.029 R)
• M6: 2,777,434 km (0.116 R)
• M7: 3,247,770 km (0.119 R)
• M8: 7,417,661 km (0.059 R)
• M9: 8,055,845 km (0.116 R)
• M10: 9,009,681 km (0.045 R)
• M11: 11,303,765 km (0.104 R)
• M12: 19,742,431 km (0.082 R)
• M13: 22,582,547 km (0.057 R)
• M14: 25,494,020 km (0.048 R)
• M15: 25,970,490 km (0.101 R)
• M16: 30,636,148 km (0.099 R)
• M17: 37,767,329 km (0.108 R)
• M18: 38,262,199 km (0.11 R)
• M19: 39,012,432 km (0.07 R)
• M20: 46,211,231 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 19,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit