🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.9

Radius: 9.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.77 AU - 1.05 AU

Year: 569 Days

Day: 10.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,102,066 km

• M1: 116,836 km (0.096 R)
• M2: 463,753 km (0.072 R)
• M3: 792,420 km (0.116 R)
• M4: 1,239,568 km (0.073 R)
• M5: 1,808,339 km (0.103 R)
• M6: 2,569,044 km (0.075 R)
• M7: 2,968,770 km (0.095 R)
• M8: 3,485,481 km (0.106 R)
• M9: 4,171,387 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 8.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.52 AU - 1.72 AU

Year: 1353 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,102,066 km

• M1: 103,223 km (0.119 R)
• M2: 365,916 km (0.116 R)
• M3: 803,640 km (0.117 R)
• M4: 1,288,786 km (0.109 R)
• M5: 1,731,147 km (0.071 R)
• M6: 2,055,924 km (0.082 R)
• M7: 2,330,884 km (0.027 R)
• M8: 2,991,060 km (0.093 R)
• M9: 3,448,829 km (0.04 R)
• M10: 3,910,040 km (0.089 R)
• M11: 5,706,860 km (0.119 R)
• M12: 6,293,882 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 8.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.65 AU - 3.85 AU

Year: 4764 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,102,066 km

• M1: 108,309 km (0.102 R)
• M2: 557,551 km (0.049 R)
• M3: 1,389,465 km (0.067 R)
• M4: 1,912,908 km (0.113 R)
• M5: 3,660,211 km (0.107 R)
• M6: 4,160,317 km (0.116 R)
• M7: 5,584,489 km (0.027 R)
• M8: 6,539,372 km (0.084 R)
• M9: 8,590,359 km (0.11 R)
• M10: 9,210,143 km (0.086 R)
• M11: 11,377,367 km (0.103 R)
• M12: 13,522,600 km (0.043 R)
• M13: 14,160,635 km (0.069 R)
• M14: 14,512,489 km (0.11 R)
• M15: 14,973,251 km (0.034 R)
• M16: 18,239,870 km (0.056 R)
• M17: 18,776,777 km (0.093 R)
• M18: 19,570,693 km (0.081 R)
• M19: 21,030,020 km (0.096 R)
• M20: 22,154,248 km (0.115 R)
• M21: 22,696,989 km (0.106 R)
• M22: 22,971,651 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.7

Radius: 12.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.57 AU - 5.81 AU

Year: 7756 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,102,066 km

• M1: 157,975 km (0.115 R)
• M2: 575,503 km (0.065 R)
• M3: 1,288,486 km (0.085 R)
• M4: 2,507,709 km (0.118 R)
• M5: 5,302,796 km (0.114 R)
• M6: 8,049,263 km (0.076 R)
• M7: 8,778,403 km (0.116 R)
• M8: 9,954,392 km (0.103 R)
• M9: 11,036,733 km (0.109 R)
• M10: 13,323,934 km (0.043 R)
• M11: 14,755,885 km (0.118 R)
• M12: 20,690,732 km (0.106 R)
• M13: 25,145,008 km (0.062 R)
• M14: 32,763,280 km (0.106 R)
• M15: 34,201,514 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.3

Radius: 4.7

Gravity: 39.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.54 AU - 9.14 AU

Year: 14401 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,102,066 km

• M1: 58,493 km (0.079 R)
• M2: 742,604 km (0.071 R)
• M3: 1,017,864 km (0.118 R)
• M4: 1,462,170 km (0.087 R)
• M5: 3,114,179 km (0.111 R)
• M6: 4,610,307 km (0.094 R)
• M7: 5,494,730 km (0.086 R)
• M8: 6,036,573 km (0.091 R)
• M9: 8,716,470 km (0.109 R)
• M10: 10,867,687 km (0.084 R)
• M11: 11,046,456 km (0.085 R)
• M12: 14,181,729 km (0.098 R)
• M13: 17,290,372 km (0.106 R)
• M14: 18,028,787 km (0.077 R)
• M15: 32,620,564 km (0.12 R)
• M16: 36,606,150 km (0.111 R)
• M17: 39,483,067 km (0.09 R)
• M18: 50,651,894 km (0.056 R)
• M19: 53,869,445 km (0.07 R)
• M20: 54,738,310 km (0.082 R)
• M21: 60,708,312 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 20,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit