🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.4

Radius: 10.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.88 AU - 1.1 AU

Year: 626 Days

Day: 7.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,212,186 km

• M1: 130,599 km (0.045 R)
• M2: 509,830 km (0.101 R)
• M3: 853,905 km (0.1 R)
• M4: 1,916,498 km (0.106 R)
• M5: 2,309,492 km (0.105 R)
• M6: 2,681,392 km (0.113 R)
• M7: 3,046,860 km (0.06 R)
• M8: 4,003,837 km (0.104 R)
• M9: 4,636,636 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 11.5

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.78 AU - 2.3 AU

Year: 1853 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,212,186 km

• M1: 143,016 km (0.079 R)
• M2: 514,766 km (0.109 R)
• M3: 1,015,171 km (0.1 R)
• M4: 1,586,934 km (0.082 R)
• M5: 1,954,047 km (0.059 R)
• M6: 2,586,846 km (0.083 R)
• M7: 3,225,180 km (0.099 R)
• M8: 3,894,332 km (0.12 R)
• M9: 4,796,557 km (0.078 R)
• M10: 5,419,632 km (0.056 R)
• M11: 7,504,727 km (0.108 R)
• M12: 8,048,814 km (0.095 R)
• M13: 8,527,228 km (0.088 R)
• M14: 9,312,767 km (0.107 R)
• M15: 9,706,658 km (0.117 R)
• M16: 14,630,971 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.3

Radius: 13.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.64 AU - 6.94 AU

Year: 8858 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,212,186 km

• M1: 169,195 km (0.083 R)
• M2: 910,453 km (0.047 R)
• M3: 1,922,482 km (0.1 R)
• M4: 2,435,005 km (0.031 R)
• M5: 5,176,386 km (0.079 R)
• M6: 7,041,123 km (0.117 R)
• M7: 7,880,965 km (0.117 R)
• M8: 8,751,924 km (0.106 R)
• M9: 9,798,212 km (0.087 R)
• M10: 10,488,456 km (0.058 R)
• M11: 10,926,180 km (0.065 R)
• M12: 11,417,459 km (0.111 R)
• M13: 12,577,291 km (0.069 R)
• M14: 19,344,201 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 11.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.98 AU - 6.86 AU

Year: 9158 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,212,186 km

• M1: 140,622 km (0.09 R)
• M2: 544,686 km (0.118 R)
• M3: 1,053,319 km (0.115 R)
• M4: 2,055,176 km (0.08 R)
• M5: 2,701,438 km (0.081 R)
• M6: 3,829,107 km (0.095 R)
• M7: 4,275,956 km (0.116 R)
• M8: 5,025,292 km (0.052 R)
• M9: 5,680,231 km (0.064 R)
• M10: 8,179,413 km (0.093 R)
• M11: 10,146,924 km (0.093 R)
• M12: 10,775,983 km (0.113 R)
• M13: 14,938,095 km (0.066 R)
• M14: 15,516,740 km (0.099 R)
• M15: 16,719,058 km (0.104 R)
• M16: 17,853,309 km (0.082 R)
• M17: 18,770,494 km (0.099 R)
• M18: 19,718,795 km (0.075 R)
• M19: 20,984,542 km (0.105 R)
• M20: 24,305,615 km (0.091 R)
• M21: 25,760,005 km (0.107 R)
• M22: 27,015,730 km (0.052 R)
• M23: 27,701,786 km (0.066 R)
• M24: 30,378,840 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.1

Radius: 4.2

Gravity: 31.64 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.85 AU - 7.39 AU

Year: 10830 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,212,186 km

• M1: 52,359 km (0.086 R)
• M2: 300,692 km (0.108 R)
• M3: 435,180 km (0.084 R)
• M4: 603,927 km (0.105 R)
• M5: 754,272 km (0.085 R)
• M6: 2,162,138 km (0.063 R)
• M7: 3,698,059 km (0.112 R)
• M8: 10,392,414 km (0.094 R)
• M9: 10,756,685 km (0.079 R)
• M10: 12,943,806 km (0.055 R)
• M11: 16,158,814 km (0.07 R)
• M12: 19,395,962 km (0.098 R)
• M13: 21,082,978 km (0.088 R)
• M14: 21,414,935 km (0.06 R)
• M15: 21,582,335 km (0.038 R)
• M16: 26,341,193 km (0.112 R)
• M17: 27,115,212 km (0.111 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: 500 - 16,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit