🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.3

Radius: 10.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.73 AU - 0.89 AU

Year: 478 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,124,526 km

• M1: 129,402 km (0.078 R)
• M2: 458,966 km (0.116 R)
• M3: 872,156 km (0.119 R)
• M4: 1,242,111 km (0.117 R)
• M5: 2,206,269 km (0.043 R)
• M6: 2,555,132 km (0.107 R)
• M7: 3,542,328 km (0.116 R)
• M8: 4,287,625 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.6

Radius: 11.1

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.45 AU - 2.29 AU

Year: 1678 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,124,526 km

• M1: 140,921 km (0.116 R)
• M2: 525,089 km (0.104 R)
• M3: 963,410 km (0.098 R)
• M4: 1,550,881 km (0.045 R)
• M5: 1,911,113 km (0.045 R)
• M6: 2,458,043 km (0.075 R)
• M7: 2,864,051 km (0.071 R)
• M8: 3,331,395 km (0.114 R)
• M9: 3,831,052 km (0.055 R)
• M10: 4,340,881 km (0.116 R)
• M11: 4,810,469 km (0.104 R)
• M12: 5,291,277 km (0.085 R)
• M13: 5,803,799 km (0.091 R)
• M14: 7,148,235 km (0.119 R)
• M15: 9,107,818 km (0.106 R)
• M16: 10,586,742 km (0.072 R)
• M17: 10,952,359 km (0.042 R)
• M18: 11,864,757 km (0.078 R)
• M19: 15,506,567 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 10

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.85 AU - 1.93 AU

Year: 1705 Days

Day: 8.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,124,526 km

• M1: 124,465 km (0.081 R)
• M2: 452,833 km (0.112 R)
• M3: 809,474 km (0.072 R)
• M4: 1,334,712 km (0.046 R)
• M5: 2,601,208 km (0.101 R)
• M6: 3,773,905 km (0.048 R)
• M7: 4,637,534 km (0.119 R)
• M8: 5,137,789 km (0.043 R)
• M9: 7,042,918 km (0.109 R)
• M10: 8,198,562 km (0.101 R)
• M11: 8,899,877 km (0.089 R)
• M12: 9,249,188 km (0.096 R)
• M13: 9,874,058 km (0.055 R)
• M14: 11,691,074 km (0.114 R)
• M15: 12,421,859 km (0.081 R)
• M16: 14,665,378 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 15

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.61 AU - 2.61 AU

Year: 2766 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,124,526 km

• M1: 186,997 km (0.119 R)
• M2: 663,616 km (0.113 R)
• M3: 1,231,789 km (0.104 R)
• M4: 1,815,071 km (0.112 R)
• M5: 2,296,028 km (0.112 R)
• M6: 2,989,863 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.5

Radius: 9.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.79 AU - 6.23 AU

Year: 8485 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,124,526 km

• M1: 118,332 km (0.106 R)
• M2: 419,173 km (0.109 R)
• M3: 740,958 km (0.09 R)
• M4: 1,134,251 km (0.119 R)
• M5: 1,651,261 km (0.112 R)
• M6: 2,850,887 km (0.114 R)
• M7: 3,226,078 km (0.108 R)
• M8: 4,883,024 km (0.071 R)
• M9: 6,471,454 km (0.111 R)
• M10: 7,526,119 km (0.111 R)
• M11: 8,556,400 km (0.117 R)
• M12: 9,923,575 km (0.026 R)
• M13: 10,894,914 km (0.083 R)
• M14: 12,789,421 km (0.071 R)
• M15: 14,001,164 km (0.1 R)
• M16: 14,763,963 km (0.066 R)
• M17: 15,487,419 km (0.099 R)
• M18: 16,651,589 km (0.104 R)
• M19: 18,694,797 km (0.12 R)
• M20: 21,560,344 km (0.102 R)
• M21: 24,706,388 km (0.079 R)
• M22: 28,951,526 km (0.074 R)
• M23: 30,397,988 km (0.116 R)
• M24: 46,762,948 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.8

Radius: 6.3

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.69 AU - 9.91 AU

Year: 18605 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,124,526 km

• M1: 191,784 km (0.099 R)
• M2: 392,994 km (0.083 R)
• M3: 878,140 km (0.062 R)
• M4: 1,560,904 km (0.08 R)
• M5: 1,807,591 km (0.093 R)
• M6: 2,754,246 km (0.106 R)
• M7: 10,389,123 km (0.102 R)
• M8: 12,704,300 km (0.111 R)
• M9: 14,051,130 km (0.049 R)
• M10: 18,575,119 km (0.106 R)
• M11: 23,488,810 km (0.082 R)
• M12: 29,090,353 km (0.098 R)
• M13: 43,575,466 km (0.073 R)
• M14: 43,873,016 km (0.117 R)
• M15: 51,594,361 km (0.11 R)
• M16: 57,811,349 km (0.079 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 18,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit