🌌 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: 790

Radius: 10.3

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.49 AU - 0.55 AU

Year: 259 Days

Day: 14.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,107,804 km

• M1: 128,056 km (0.115 R)
• M2: 763,847 km (0.109 R)
• M3: 1,708,707 km (0.048 R)
• M4: 2,123,542 km (0.059 R)
• M5: 2,456,846 km (0.115 R)
• M6: 2,787,756 km (0.048 R)
• M7: 3,431,626 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 13

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.07 AU - 1.69 AU

Year: 1119 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,107,804 km

• M1: 161,715 km (0.115 R)
• M2: 572,810 km (0.112 R)
• M3: 981,212 km (0.097 R)
• M4: 1,485,208 km (0.098 R)
• M5: 2,355,867 km (0.085 R)
• M6: 2,832,636 km (0.063 R)
• M7: 3,434,917 km (0.107 R)
• M8: 4,742,552 km (0.092 R)
• M9: 5,791,382 km (0.081 R)
• M10: 6,741,927 km (0.067 R)
• M11: 7,397,016 km (0.101 R)
• M12: 8,233,119 km (0.106 R)
• M13: 8,863,973 km (0.096 R)
• M14: 9,465,356 km (0.117 R)
• M15: 9,997,775 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.8

Radius: 9.1

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.38 AU - 1.52 AU

Year: 1205 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,107,804 km

• M1: 113,246 km (0.107 R)
• M2: 414,835 km (0.034 R)
• M3: 742,753 km (0.098 R)
• M4: 1,060,350 km (0.082 R)
• M5: 1,412,503 km (0.109 R)
• M6: 1,717,982 km (0.11 R)
• M7: 2,381,897 km (0.034 R)
• M8: 2,702,037 km (0.113 R)
• M9: 3,193,167 km (0.067 R)
• M10: 3,506,424 km (0.114 R)
• M11: 4,516,809 km (0.061 R)
• M12: 5,352,612 km (0.117 R)
• M13: 5,667,366 km (0.049 R)
• M14: 6,567,646 km (0.111 R)
• M15: 7,717,455 km (0.101 R)
• M16: 8,312,555 km (0.116 R)
• M17: 8,649,898 km (0.115 R)
• M18: 11,513,501 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 13

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.38 AU - 2 AU

Year: 1516 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,107,804 km

• M1: 162,014 km (0.109 R)
• M2: 682,166 km (0.086 R)
• M3: 1,566,140 km (0.114 R)
• M4: 2,440,390 km (0.083 R)
• M5: 4,170,489 km (0.117 R)
• M6: 5,263,451 km (0.098 R)
• M7: 6,585,747 km (0.111 R)
• M8: 8,011,265 km (0.047 R)
• M9: 8,925,757 km (0.095 R)
• M10: 10,157,546 km (0.031 R)
• M11: 10,896,410 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.3

Radius: 11.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.41 AU - 2.15 AU

Year: 1639 Days

Day: 8.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 87.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,107,804 km

• M1: 141,968 km (0.059 R)
• M2: 598,092 km (0.057 R)
• M3: 1,049,878 km (0.059 R)
• M4: 1,710,951 km (0.051 R)
• M5: 2,206,718 km (0.072 R)
• M6: 4,905,165 km (0.085 R)
• M7: 5,661,681 km (0.065 R)
• M8: 6,175,849 km (0.106 R)
• M9: 7,851,345 km (0.113 R)
• M10: 13,455,730 km (0.106 R)
• M11: 14,331,027 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.6

Radius: 8.2

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.8 AU - 2.88 AU

Year: 2471 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,107,804 km

• M1: 102,026 km (0.081 R)
• M2: 552,615 km (0.11 R)
• M3: 1,412,952 km (0.069 R)
• M4: 1,786,947 km (0.1 R)
• M5: 3,580,625 km (0.093 R)
• M6: 4,464,150 km (0.106 R)
• M7: 4,912,944 km (0.05 R)
• M8: 6,574,976 km (0.113 R)
• M9: 7,242,183 km (0.115 R)
• M10: 7,592,391 km (0.084 R)
• M11: 9,412,399 km (0.116 R)
• M12: 10,078,857 km (0.055 R)
• M13: 11,310,646 km (0.087 R)
• M14: 12,349,454 km (0.097 R)
• M15: 16,239,746 km (0.095 R)
• M16: 17,146,310 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.1

Radius: 14.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.58 AU - 4.8 AU

Year: 5920 Days

Day: 11.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,107,804 km

• M1: 185,352 km (0.109 R)
• M2: 716,723 km (0.088 R)
• M3: 1,945,670 km (0.08 R)
• M4: 3,234,904 km (0.11 R)
• M5: 4,631,101 km (0.065 R)
• M6: 5,275,120 km (0.064 R)
• M7: 5,804,098 km (0.098 R)
• M8: 6,492,099 km (0.053 R)
• M9: 7,301,124 km (0.057 R)
• M10: 9,239,015 km (0.105 R)
• M11: 10,221,424 km (0.08 R)
• M12: 11,092,383 km (0.07 R)
• M13: 11,918,014 km (0.078 R)
• M14: 15,864,256 km (0.095 R)
• M15: 17,883,677 km (0.09 R)
• M16: 25,512,122 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 15,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit