🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 11.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.96 AU - 1.5 AU

Year: 910 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,085,003 km

• M1: 144,661 km (0.087 R)
• M2: 633,397 km (0.112 R)
• M3: 1,051,075 km (0.086 R)
• M4: 1,463,965 km (0.097 R)
• M5: 2,097,063 km (0.109 R)
• M6: 2,939,449 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 9

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.4 AU - 1.42 AU

Year: 1116 Days

Day: 6.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,085,003 km

• M1: 111,899 km (0.063 R)
• M2: 405,111 km (0.046 R)
• M3: 735,872 km (0.071 R)
• M4: 1,020,557 km (0.095 R)
• M5: 1,341,893 km (0.057 R)
• M6: 1,667,567 km (0.036 R)
• M7: 2,206,419 km (0.057 R)
• M8: 2,565,903 km (0.08 R)
• M9: 3,157,263 km (0.033 R)
• M10: 4,289,270 km (0.063 R)
• M11: 4,909,503 km (0.099 R)
• M12: 5,341,841 km (0.107 R)
• M13: 5,650,910 km (0.119 R)
• M14: 6,936,704 km (0.086 R)
• M15: 7,481,838 km (0.077 R)
• M16: 8,969,888 km (0.045 R)
• M17: 9,737,924 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.7

Radius: 10.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.97 AU - 2.11 AU

Year: 1943 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,085,003 km

• M1: 130,898 km (0.101 R)
• M2: 471,682 km (0.094 R)
• M3: 908,358 km (0.087 R)
• M4: 1,719,777 km (0.03 R)
• M5: 2,088,536 km (0.086 R)
• M6: 2,930,772 km (0.073 R)
• M7: 3,430,130 km (0.054 R)
• M8: 5,043,991 km (0.093 R)
• M9: 5,538,562 km (0.059 R)
• M10: 8,483,845 km (0.073 R)
• M11: 9,956,636 km (0.062 R)
• M12: 10,392,564 km (0.078 R)
• M13: 11,052,590 km (0.102 R)
• M14: 11,447,229 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482

Radius: 11.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.4 AU - 2.88 AU

Year: 2860 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,085,003 km

• M1: 138,079 km (0.112 R)
• M2: 609,611 km (0.097 R)
• M3: 1,253,181 km (0.077 R)
• M4: 1,914,554 km (0.071 R)
• M5: 2,489,907 km (0.119 R)
• M6: 3,095,479 km (0.066 R)
• M7: 3,872,790 km (0.062 R)
• M8: 4,246,635 km (0.101 R)
• M9: 5,206,455 km (0.086 R)
• M10: 6,120,647 km (0.114 R)
• M11: 6,740,880 km (0.091 R)
• M12: 8,170,587 km (0.114 R)
• M13: 8,855,895 km (0.066 R)
• M14: 9,828,879 km (0.067 R)
• M15: 10,833,130 km (0.093 R)
• M16: 11,700,947 km (0.083 R)
• M17: 12,318,786 km (0.084 R)
• M18: 12,828,616 km (0.044 R)
• M19: 14,027,344 km (0.077 R)
• M20: 14,583,399 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.8

Radius: 11.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.85 AU - 5.03 AU

Year: 7322 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,085,003 km

• M1: 147,204 km (0.065 R)
• M2: 992,881 km (0.117 R)
• M3: 1,425,967 km (0.063 R)
• M4: 1,952,851 km (0.034 R)
• M5: 2,357,363 km (0.114 R)
• M6: 3,977,658 km (0.074 R)
• M7: 6,242,570 km (0.099 R)
• M8: 7,607,501 km (0.118 R)
• M9: 11,514,399 km (0.104 R)
• M10: 13,471,737 km (0.101 R)
• M11: 15,135,565 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.5

Radius: 4.3

Gravity: 29.12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.2 AU - 6.92 AU

Year: 9948 Days

Day: 25 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,085,003 km

• M1: 66,721 km (0.093 R)
• M2: 230,530 km (0.034 R)
• M3: 949,348 km (0.057 R)
• M4: 1,442,871 km (0.032 R)
• M5: 1,679,386 km (0.073 R)
• M6: 2,871,531 km (0.095 R)
• M7: 3,044,017 km (0.103 R)
• M8: 3,315,687 km (0.09 R)
• M9: 4,119,626 km (0.058 R)
• M10: 6,032,833 km (0.043 R)
• M11: 6,986,819 km (0.108 R)
• M12: 8,164,902 km (0.097 R)
• M13: 9,422,272 km (0.071 R)
• M14: 9,804,046 km (0.106 R)
• M15: 10,446,120 km (0.11 R)
• M16: 14,518,174 km (0.087 R)
• M17: 15,156,359 km (0.057 R)
• M18: 15,416,659 km (0.1 R)
• M19: 18,928,020 km (0.109 R)
• M20: 20,549,512 km (0.068 R)
• M21: 21,109,905 km (0.08 R)
• M22: 22,852,122 km (0.034 R)
• M23: 23,194,551 km (0.118 R)
• M24: 26,525,797 km (0.04 R)
• M25: 31,304,102 km (0.044 R)
• M26: 35,814,329 km (0.114 R)
• M27: 37,924,407 km (0.06 R)
• M28: 43,558,711 km (0.09 R)
• M29: 44,084,997 km (0.086 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: 338 - 17,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit