🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 14.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.43 AU - 0.61 AU

Year: 264 Days

Day: 5.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 164.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,983,938 km

• M1: 186,100 km (0.11 R)
• M2: 667,207 km (0.1 R)
• M3: 1,411,905 km (0.057 R)
• M4: 2,275,533 km (0.119 R)
• M5: 2,914,765 km (0.059 R)
• M6: 3,661,857 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 14.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.25 AU - 1.43 AU

Year: 1090 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,983,938 km

• M1: 185,352 km (0.037 R)
• M2: 678,875 km (0.04 R)
• M3: 1,292,974 km (0.087 R)
• M4: 1,803,402 km (0.103 R)
• M5: 2,607,640 km (0.109 R)
• M6: 3,080,370 km (0.032 R)
• M7: 3,849,752 km (0.117 R)
• M8: 4,763,645 km (0.083 R)
• M9: 5,818,011 km (0.07 R)
• M10: 7,172,171 km (0.082 R)
• M11: 9,463,561 km (0.096 R)
• M12: 10,336,764 km (0.094 R)
• M13: 11,746,724 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 14.2

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.22 AU - 1.96 AU

Year: 1409 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,983,938 km

• M1: 176,675 km (0.052 R)
• M2: 848,370 km (0.12 R)
• M3: 1,436,140 km (0.041 R)
• M4: 2,089,433 km (0.111 R)
• M5: 2,894,868 km (0.117 R)
• M6: 3,584,066 km (0.12 R)
• M7: 4,288,821 km (0.094 R)
• M8: 5,550,979 km (0.116 R)
• M9: 6,069,335 km (0.088 R)
• M10: 7,361,711 km (0.078 R)
• M11: 8,417,124 km (0.089 R)
• M12: 8,890,751 km (0.075 R)
• M13: 10,087,384 km (0.1 R)
• M14: 11,105,996 km (0.111 R)
• M15: 11,604,456 km (0.111 R)
• M16: 12,154,977 km (0.087 R)
• M17: 13,150,550 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 12.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.84 AU - 3.06 AU

Year: 2696 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,983,938 km

• M1: 150,645 km (0.1 R)
• M2: 1,098,647 km (0.07 R)
• M3: 1,777,372 km (0.079 R)
• M4: 2,169,917 km (0.119 R)
• M5: 3,209,772 km (0.107 R)
• M6: 5,005,694 km (0.064 R)
• M7: 5,669,311 km (0.108 R)
• M8: 6,289,842 km (0.117 R)
• M9: 7,260,882 km (0.089 R)
• M10: 7,644,152 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.9

Radius: 10

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.41 AU - 3.99 AU

Year: 4024 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,983,938 km

• M1: 124,316 km (0.097 R)
• M2: 735,124 km (0.083 R)
• M3: 1,179,579 km (0.062 R)
• M4: 1,528,890 km (0.112 R)
• M5: 1,986,061 km (0.113 R)
• M6: 3,089,495 km (0.075 R)
• M7: 4,182,158 km (0.079 R)
• M8: 4,606,268 km (0.056 R)
• M9: 5,233,083 km (0.118 R)
• M10: 7,619,468 km (0.11 R)
• M11: 8,923,214 km (0.1 R)
• M12: 10,571,483 km (0.043 R)
• M13: 12,278,694 km (0.065 R)
• M14: 14,310,981 km (0.098 R)
• M15: 18,553,278 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 11.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.65 AU - 5.07 AU

Year: 7531 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 176.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,983,938 km

• M1: 139,425 km (0.099 R)
• M2: 907,909 km (0.107 R)
• M3: 1,263,952 km (0.111 R)
• M4: 2,863,752 km (0.112 R)
• M5: 12,315,495 km (0.05 R)
• M6: 14,021,659 km (0.116 R)
• M7: 19,355,272 km (0.118 R)
• M8: 20,013,203 km (0.096 R)
• M9: 24,507,123 km (0.08 R)
• M10: 26,462,966 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.3

Radius: 4

Gravity: 26.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.45 AU - 10.77 AU

Year: 20941 Days

Day: 21.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,983,938 km

• M1: 77,940 km (0.066 R)
• M2: 218,114 km (0.082 R)
• M3: 487,390 km (0.113 R)
• M4: 929,601 km (0.098 R)
• M5: 1,095,655 km (0.12 R)
• M6: 1,534,874 km (0.045 R)
• M7: 3,069,748 km (0.1 R)
• M8: 5,559,356 km (0.102 R)
• M9: 10,414,854 km (0.066 R)
• M10: 21,847,572 km (0.066 R)
• M11: 22,616,804 km (0.118 R)
• M12: 23,106,738 km (0.088 R)
• M13: 24,515,949 km (0.082 R)
• M14: 36,018,081 km (0.118 R)
• M15: 39,580,455 km (0.094 R)
• M16: 51,157,535 km (0.084 R)
• M17: 63,047,723 km (0.118 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: 464 - 11,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit