🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.6

Radius: 12.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.11 AU - 1.17 AU

Year: 826 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,284,900 km

• M1: 154,535 km (0.074 R)
• M2: 592,258 km (0.067 R)
• M3: 1,039,406 km (0.102 R)
• M4: 1,557,463 km (0.117 R)
• M5: 2,041,712 km (0.081 R)
• M6: 2,657,157 km (0.115 R)
• M7: 3,141,705 km (0.088 R)
• M8: 3,685,194 km (0.091 R)
• M9: 4,290,916 km (0.098 R)
• M10: 4,850,711 km (0.076 R)
• M11: 5,357,100 km (0.085 R)
• M12: 6,457,093 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 12.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.21 AU - 1.95 AU

Year: 1347 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,284,900 km

• M1: 153,487 km (0.117 R)
• M2: 566,527 km (0.095 R)
• M3: 1,127,370 km (0.066 R)
• M4: 1,706,912 km (0.07 R)
• M5: 2,607,940 km (0.091 R)
• M6: 2,995,548 km (0.097 R)
• M7: 3,636,425 km (0.118 R)
• M8: 4,138,176 km (0.088 R)
• M9: 5,388,665 km (0.054 R)
• M10: 5,927,367 km (0.065 R)
• M11: 7,134,771 km (0.116 R)
• M12: 7,647,593 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 14.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.79 AU - 3.13 AU

Year: 3454 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,284,900 km

• M1: 180,116 km (0.082 R)
• M2: 705,803 km (0.113 R)
• M3: 1,214,436 km (0.062 R)
• M4: 1,721,273 km (0.108 R)
• M5: 2,187,570 km (0.062 R)
• M6: 3,075,882 km (0.066 R)
• M7: 4,150,294 km (0.109 R)
• M8: 5,647,320 km (0.085 R)
• M9: 6,850,086 km (0.039 R)
• M10: 9,076,701 km (0.075 R)
• M11: 9,955,738 km (0.039 R)
• M12: 10,559,067 km (0.075 R)
• M13: 11,488,069 km (0.084 R)
• M14: 13,316,155 km (0.098 R)
• M15: 13,851,267 km (0.103 R)
• M16: 15,437,303 km (0.06 R)
• M17: 15,973,761 km (0.076 R)
• M18: 18,009,489 km (0.107 R)
• M19: 18,484,463 km (0.115 R)
• M20: 20,726,037 km (0.061 R)
• M21: 23,776,338 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 11.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.24 AU - 3.74 AU

Year: 4422 Days

Day: 13.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,284,900 km

• M1: 140,472 km (0.104 R)
• M2: 510,877 km (0.103 R)
• M3: 1,133,204 km (0.095 R)
• M4: 1,828,984 km (0.081 R)
• M5: 2,447,571 km (0.102 R)
• M6: 3,055,088 km (0.068 R)
• M7: 4,064,425 km (0.063 R)
• M8: 4,963,508 km (0.038 R)
• M9: 5,568,631 km (0.086 R)
• M10: 6,196,344 km (0.036 R)
• M11: 7,096,474 km (0.074 R)
• M12: 7,563,220 km (0.116 R)
• M13: 9,994,933 km (0.086 R)
• M14: 10,359,503 km (0.069 R)
• M15: 12,736,613 km (0.103 R)
• M16: 13,826,882 km (0.045 R)
• M17: 14,649,671 km (0.055 R)
• M18: 16,242,589 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.1

Radius: 5.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.58 AU - 9.2 AU

Year: 16483 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,284,900 km

• M1: 67,020 km (0.063 R)
• M2: 290,669 km (0.078 R)
• M3: 541,694 km (0.102 R)
• M4: 841,638 km (0.064 R)
• M5: 1,134,849 km (0.119 R)
• M6: 1,671,756 km (0.114 R)
• M7: 2,529,850 km (0.051 R)
• M8: 4,539,398 km (0.09 R)
• M9: 6,556,426 km (0.115 R)
• M10: 6,812,089 km (0.108 R)
• M11: 9,842,044 km (0.058 R)
• M12: 10,129,122 km (0.09 R)
• M13: 11,916,218 km (0.109 R)
• M14: 12,132,986 km (0.067 R)
• M15: 17,316,402 km (0.094 R)
• M16: 20,234,458 km (0.102 R)
• M17: 22,544,250 km (0.113 R)
• M18: 31,745,865 km (0.104 R)
• M19: 33,007,274 km (0.035 R)
• M20: 38,387,861 km (0.048 R)
• M21: 39,577,762 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 18,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit