🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 8.3

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.5 AU - 0.7 AU

Year: 321 Days

Day: 6.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,387,633 km

• M1: 103,223 km (0.028 R)
• M2: 394,938 km (0.091 R)
• M3: 732,282 km (0.111 R)
• M4: 1,013,825 km (0.091 R)
• M5: 1,836,763 km (0.106 R)
• M6: 2,163,484 km (0.053 R)
• M7: 2,521,023 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.5

Radius: 10.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.51 AU - 0.73 AU

Year: 337 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,387,633 km

• M1: 134,339 km (0.094 R)
• M2: 492,327 km (0.063 R)
• M3: 853,456 km (0.081 R)
• M4: 1,422,676 km (0.094 R)
• M5: 2,304,406 km (0.085 R)
• M6: 2,801,370 km (0.044 R)
• M7: 3,527,967 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 10.6

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.55 AU - 0.77 AU

Year: 370 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,387,633 km

• M1: 131,796 km (0.095 R)
• M2: 533,915 km (0.1 R)
• M3: 956,230 km (0.066 R)
• M4: 1,686,267 km (0.087 R)
• M5: 2,265,061 km (0.116 R)
• M6: 2,626,191 km (0.081 R)
• M7: 3,014,995 km (0.111 R)
• M8: 3,454,065 km (0.11 R)
• M9: 3,935,770 km (0.103 R)
• M10: 4,336,244 km (0.032 R)
• M11: 4,852,955 km (0.08 R)
• M12: 5,188,503 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 10

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.59 AU - 0.75 AU

Year: 379 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,387,633 km

• M1: 125,662 km (0.115 R)
• M2: 472,879 km (0.119 R)
• M3: 791,672 km (0.025 R)
• M4: 2,192,806 km (0.082 R)
• M5: 2,516,984 km (0.1 R)
• M6: 2,912,970 km (0.106 R)
• M7: 3,253,006 km (0.044 R)
• M8: 3,783,480 km (0.072 R)
• M9: 4,113,642 km (0.066 R)
• M10: 4,463,103 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.7

Radius: 8.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.06 AU - 1.68 AU

Year: 1107 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,387,633 km

• M1: 102,026 km (0.092 R)
• M2: 372,798 km (0.056 R)
• M3: 637,287 km (0.105 R)
• M4: 942,167 km (0.104 R)
• M5: 1,397,244 km (0.1 R)
• M6: 1,908,719 km (0.113 R)
• M7: 2,268,652 km (0.105 R)
• M8: 5,916,745 km (0.089 R)
• M9: 6,283,859 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 8

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.08 AU - 2.22 AU

Year: 2176 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,387,633 km

• M1: 99,632 km (0.095 R)
• M2: 350,508 km (0.111 R)
• M3: 950,395 km (0.12 R)
• M4: 1,704,668 km (0.05 R)
• M5: 2,448,020 km (0.097 R)
• M6: 3,042,521 km (0.1 R)
• M7: 4,412,539 km (0.061 R)
• M8: 4,949,296 km (0.05 R)
• M9: 5,315,212 km (0.049 R)
• M10: 6,049,887 km (0.116 R)
• M11: 6,630,477 km (0.096 R)
• M12: 8,244,488 km (0.081 R)
• M13: 8,628,656 km (0.069 R)
• M14: 8,991,281 km (0.062 R)
• M15: 9,641,732 km (0.029 R)
• M16: 11,151,624 km (0.07 R)
• M17: 12,023,779 km (0.11 R)
• M18: 13,198,571 km (0.073 R)
• M19: 13,592,014 km (0.086 R)
• M20: 15,101,755 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.6

Radius: 12

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.74 AU - 4.08 AU

Year: 4347 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,387,633 km

• M1: 149,299 km (0.099 R)
• M2: 699,520 km (0.112 R)
• M3: 1,318,855 km (0.054 R)
• M4: 1,715,888 km (0.07 R)
• M5: 2,149,721 km (0.093 R)
• M6: 2,674,062 km (0.084 R)
• M7: 3,146,193 km (0.119 R)
• M8: 4,027,773 km (0.097 R)
• M9: 4,502,148 km (0.103 R)
• M10: 5,229,194 km (0.052 R)
• M11: 8,747,586 km (0.117 R)
• M12: 9,141,477 km (0.113 R)
• M13: 9,629,615 km (0.094 R)
• M14: 10,307,443 km (0.043 R)
• M15: 12,287,820 km (0.112 R)
• M16: 14,077,758 km (0.113 R)
• M17: 15,063,159 km (0.089 R)
• M18: 17,665,265 km (0.098 R)
• M19: 19,204,327 km (0.063 R)
• M20: 19,803,916 km (0.09 R)
• M21: 20,278,889 km (0.105 R)
• M22: 27,082,750 km (0.083 R)
• M23: 27,752,499 km (0.118 R)
• M24: 28,433,319 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 12,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit