🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.2

Radius: 11.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.42 AU - 0.7 AU

Year: 284 Days

Day: 11.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,673,837 km

• M1: 140,024 km (0.116 R)
• M2: 527,183 km (0.065 R)
• M3: 980,913 km (0.077 R)
• M4: 1,335,161 km (0.081 R)
• M5: 2,037,224 km (0.081 R)
• M6: 2,756,042 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 8.6

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.68 AU - 0.76 AU

Year: 414 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 63.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,673,837 km

• M1: 109,057 km (0.063 R)
• M2: 380,727 km (0.092 R)
• M3: 694,733 km (0.119 R)
• M4: 1,274,275 km (0.118 R)
• M5: 1,550,133 km (0.117 R)
• M6: 1,889,870 km (0.112 R)
• M7: 2,571,139 km (0.067 R)
• M8: 2,856,422 km (0.117 R)
• M9: 3,162,798 km (0.098 R)
• M10: 3,454,963 km (0.109 R)
• M11: 4,162,112 km (0.065 R)
• M12: 4,441,860 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.3

Radius: 13.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.78 AU - 1 AU

Year: 569 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,673,837 km

• M1: 172,187 km (0.098 R)
• M2: 682,017 km (0.054 R)
• M3: 1,324,839 km (0.114 R)
• M4: 1,959,882 km (0.107 R)
• M5: 2,508,756 km (0.1 R)
• M6: 3,792,904 km (0.082 R)
• M7: 4,637,833 km (0.111 R)
• M8: 5,140,033 km (0.106 R)
• M9: 5,980,923 km (0.031 R)
• M10: 6,495,540 km (0.08 R)
• M11: 7,018,384 km (0.105 R)
• M12: 7,728,376 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 14.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.98 AU - 1.02 AU

Year: 678 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 105.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,673,837 km

• M1: 184,005 km (0.088 R)
• M2: 697,874 km (0.027 R)
• M3: 1,449,903 km (0.082 R)
• M4: 2,251,747 km (0.119 R)
• M5: 2,745,271 km (0.08 R)
• M6: 3,227,873 km (0.03 R)
• M7: 3,727,979 km (0.111 R)
• M8: 4,456,221 km (0.088 R)
• M9: 5,014,820 km (0.09 R)
• M10: 5,585,237 km (0.048 R)
• M11: 6,541,616 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.3

Radius: 14.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.06 AU - 1.24 AU

Year: 836 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,673,837 km

• M1: 182,809 km (0.12 R)
• M2: 874,699 km (0.071 R)
• M3: 1,473,240 km (0.044 R)
• M4: 2,110,527 km (0.117 R)
• M5: 2,676,904 km (0.116 R)
• M6: 3,250,463 km (0.08 R)
• M7: 3,830,453 km (0.087 R)
• M8: 5,219,470 km (0.075 R)
• M9: 5,937,839 km (0.05 R)
• M10: 6,568,244 km (0.116 R)
• M11: 7,313,092 km (0.113 R)
• M12: 8,316,295 km (0.117 R)
• M13: 8,918,127 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.58 AU - 2.2 AU

Year: 1762 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,673,837 km

• M1: 148,700 km (0.1 R)
• M2: 478,863 km (0.115 R)
• M3: 859,589 km (0.11 R)
• M4: 1,172,997 km (0.043 R)
• M5: 1,580,801 km (0.119 R)
• M6: 2,241,275 km (0.11 R)
• M7: 2,684,683 km (0.086 R)
• M8: 3,518,243 km (0.12 R)
• M9: 4,069,212 km (0.075 R)
• M10: 4,357,038 km (0.118 R)
• M11: 5,146,466 km (0.06 R)
• M12: 10,174,301 km (0.078 R)
• M13: 10,739,033 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.9

Radius: 8.5

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.61 AU - 4.21 AU

Year: 4271 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,673,837 km

• M1: 105,766 km (0.108 R)
• M2: 374,144 km (0.119 R)
• M3: 1,320,052 km (0.09 R)
• M4: 3,128,839 km (0.104 R)
• M5: 4,076,392 km (0.079 R)
• M6: 4,358,833 km (0.116 R)
• M7: 5,016,017 km (0.096 R)
• M8: 5,396,294 km (0.11 R)
• M9: 6,276,379 km (0.084 R)
• M10: 6,881,352 km (0.081 R)
• M11: 7,951,276 km (0.061 R)
• M12: 8,659,473 km (0.1 R)
• M13: 9,490,639 km (0.071 R)
• M14: 10,373,864 km (0.088 R)
• M15: 10,768,653 km (0.102 R)
• M16: 11,776,344 km (0.033 R)
• M17: 12,498,453 km (0.092 R)
• M18: 13,506,893 km (0.078 R)
• M19: 15,064,206 km (0.071 R)
• M20: 15,685,038 km (0.09 R)
• M21: 18,853,072 km (0.089 R)
• M22: 19,640,555 km (0.117 R)
• M23: 19,975,056 km (0.091 R)
• M24: 21,351,206 km (0.111 R)
• M25: 21,776,064 km (0.058 R)
• M26: 22,351,418 km (0.106 R)
• M27: 23,010,696 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 13,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit