🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.9

Radius: 10.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.62 AU - 0.8 AU

Year: 392 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 93.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,896,346 km

• M1: 130,599 km (0.111 R)
• M2: 536,159 km (0.108 R)
• M3: 982,409 km (0.098 R)
• M4: 1,343,987 km (0.099 R)
• M5: 2,289,595 km (0.084 R)
• M6: 3,070,795 km (0.085 R)
• M7: 3,653,629 km (0.091 R)
• M8: 4,283,286 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 14.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.79 AU - 0.89 AU

Year: 505 Days

Day: 9.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,896,346 km

• M1: 184,454 km (0.064 R)
• M2: 664,963 km (0.093 R)
• M3: 1,203,066 km (0.117 R)
• M4: 1,706,463 km (0.068 R)
• M5: 2,311,885 km (0.053 R)
• M6: 3,928,590 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 10

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.7 AU - 0.98 AU

Year: 505 Days

Day: 10.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,896,346 km

• M1: 125,662 km (0.093 R)
• M2: 452,833 km (0.069 R)
• M3: 780,003 km (0.102 R)
• M4: 1,217,727 km (0.106 R)
• M5: 1,575,116 km (0.067 R)
• M6: 2,137,903 km (0.078 R)
• M7: 3,107,597 km (0.1 R)
• M8: 3,571,948 km (0.108 R)
• M9: 4,484,495 km (0.082 R)
• M10: 4,815,705 km (0.086 R)
• M11: 5,780,013 km (0.092 R)
• M12: 6,288,795 km (0.064 R)
• M13: 6,684,631 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.4

Radius: 12.1

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.3 AU - 1.42 AU

Year: 1040 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,896,346 km

• M1: 152,291 km (0.033 R)
• M2: 874,400 km (0.099 R)
• M3: 1,419,684 km (0.099 R)
• M4: 2,598,814 km (0.101 R)
• M5: 3,394,376 km (0.086 R)
• M6: 5,816,365 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798

Radius: 14.4

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.61 AU - 3.47 AU

Year: 3477 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,896,346 km

• M1: 181,612 km (0.108 R)
• M2: 740,210 km (0.095 R)
• M3: 1,453,643 km (0.095 R)
• M4: 1,910,664 km (0.053 R)
• M5: 2,799,275 km (0.045 R)
• M6: 3,970,627 km (0.108 R)
• M7: 4,434,829 km (0.063 R)
• M8: 5,212,738 km (0.118 R)
• M9: 5,966,711 km (0.116 R)
• M10: 6,700,339 km (0.04 R)
• M11: 9,344,033 km (0.075 R)
• M12: 11,091,186 km (0.086 R)
• M13: 12,294,402 km (0.079 R)
• M14: 12,856,291 km (0.104 R)
• M15: 14,697,841 km (0.05 R)
• M16: 15,171,318 km (0.106 R)
• M17: 16,371,542 km (0.116 R)
• M18: 17,516,863 km (0.062 R)
• M19: 19,902,950 km (0.098 R)
• M20: 22,429,358 km (0.1 R)
• M21: 24,203,888 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.8

Radius: 14.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.63 AU - 5.91 AU

Year: 7936 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,896,346 km

• M1: 175,329 km (0.042 R)
• M2: 648,956 km (0.114 R)
• M3: 1,095,356 km (0.092 R)
• M4: 1,730,997 km (0.073 R)
• M5: 2,513,394 km (0.059 R)
• M6: 3,051,049 km (0.079 R)
• M7: 6,620,005 km (0.063 R)
• M8: 7,900,264 km (0.046 R)
• M9: 11,417,010 km (0.114 R)
• M10: 12,008,520 km (0.117 R)
• M11: 12,963,104 km (0.12 R)
• M12: 17,645,667 km (0.111 R)
• M13: 19,177,849 km (0.103 R)
• M14: 20,403,354 km (0.072 R)
• M15: 22,673,053 km (0.117 R)
• M16: 23,609,087 km (0.067 R)
• M17: 28,877,775 km (0.061 R)
• M18: 29,775,661 km (0.047 R)
• M19: 35,219,528 km (0.079 R)
• M20: 35,900,796 km (0.073 R)
• M21: 37,878,630 km (0.09 R)
• M22: 42,177,773 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 9.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.39 AU - 6.59 AU

Year: 8439 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,896,346 km

• M1: 114,442 km (0.059 R)
• M2: 446,699 km (0.118 R)
• M3: 926,011 km (0.057 R)
• M4: 1,376,899 km (0.096 R)
• M5: 3,037,884 km (0.045 R)
• M6: 3,487,426 km (0.118 R)
• M7: 4,277,003 km (0.114 R)
• M8: 4,656,533 km (0.078 R)
• M9: 5,878,149 km (0.05 R)
• M10: 6,548,946 km (0.065 R)
• M11: 7,844,763 km (0.114 R)
• M12: 8,449,437 km (0.074 R)
• M13: 9,751,836 km (0.112 R)
• M14: 10,292,932 km (0.095 R)
• M15: 10,651,069 km (0.114 R)
• M16: 11,100,312 km (0.117 R)
• M17: 13,444,061 km (0.077 R)
• M18: 16,582,774 km (0.101 R)
• M19: 17,861,836 km (0.119 R)
• M20: 18,496,430 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 12,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit