🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.2

Radius: 13.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.67 AU - 0.91 AU

Year: 485 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,400,269 km

• M1: 166,203 km (0.11 R)
• M2: 683,363 km (0.106 R)
• M3: 1,352,365 km (0.03 R)
• M4: 2,075,670 km (0.092 R)
• M5: 2,547,502 km (0.103 R)
• M6: 3,054,489 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 10

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.57 AU - 1.97 AU

Year: 1625 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,400,269 km

• M1: 140,024 km (0.069 R)
• M2: 1,793,529 km (0.079 R)
• M3: 2,422,438 km (0.088 R)
• M4: 2,761,427 km (0.105 R)
• M5: 3,298,932 km (0.049 R)
• M6: 3,617,725 km (0.12 R)
• M7: 4,189,339 km (0.114 R)
• M8: 4,602,977 km (0.103 R)
• M9: 5,253,428 km (0.059 R)
• M10: 6,104,192 km (0.11 R)
• M11: 6,966,623 km (0.105 R)
• M12: 7,964,591 km (0.115 R)
• M13: 8,811,165 km (0.063 R)
• M14: 11,207,274 km (0.102 R)
• M15: 12,574,299 km (0.065 R)
• M16: 13,001,252 km (0.064 R)
• M17: 13,478,170 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 11.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.8 AU - 3 AU

Year: 3409 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,400,269 km

• M1: 148,251 km (0.043 R)
• M2: 730,038 km (0.12 R)
• M3: 1,219,223 km (0.105 R)
• M4: 1,974,542 km (0.039 R)
• M5: 4,942,714 km (0.057 R)
• M6: 6,792,491 km (0.058 R)
• M7: 8,313,303 km (0.079 R)
• M8: 9,494,528 km (0.114 R)
• M9: 10,049,985 km (0.09 R)
• M10: 16,593,545 km (0.083 R)
• M11: 17,074,652 km (0.117 R)
• M12: 17,730,489 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.8

Radius: 11.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.95 AU - 3.09 AU

Year: 3623 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,400,269 km

• M1: 138,528 km (0.099 R)
• M2: 563,386 km (0.108 R)
• M3: 937,530 km (0.06 R)
• M4: 1,464,264 km (0.05 R)
• M5: 2,142,391 km (0.079 R)
• M6: 2,836,525 km (0.092 R)
• M7: 4,534,760 km (0.065 R)
• M8: 5,073,013 km (0.08 R)
• M9: 6,028,345 km (0.101 R)
• M10: 8,361,324 km (0.098 R)
• M11: 12,053,250 km (0.104 R)
• M12: 13,320,793 km (0.107 R)
• M13: 19,589,841 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.5

Radius: 8.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.26 AU - 5.02 AU

Year: 5814 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,400,269 km

• M1: 110,702 km (0.074 R)
• M2: 392,545 km (0.047 R)
• M3: 788,231 km (0.108 R)
• M4: 1,304,344 km (0.092 R)
• M5: 1,759,570 km (0.088 R)
• M6: 2,224,820 km (0.064 R)
• M7: 3,240,888 km (0.104 R)
• M8: 3,590,648 km (0.05 R)
• M9: 4,820,343 km (0.059 R)
• M10: 5,194,786 km (0.07 R)
• M11: 5,941,878 km (0.112 R)
• M12: 7,092,285 km (0.064 R)
• M13: 8,047,917 km (0.118 R)
• M14: 10,387,328 km (0.119 R)
• M15: 11,951,673 km (0.065 R)
• M16: 12,891,297 km (0.1 R)
• M17: 14,255,779 km (0.085 R)
• M18: 14,694,400 km (0.097 R)
• M19: 17,084,974 km (0.045 R)
• M20: 20,963,150 km (0.087 R)
• M21: 21,890,357 km (0.095 R)
• M22: 24,444,292 km (0.095 R)
• M23: 28,121,258 km (0.092 R)
• M24: 28,724,586 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.1

Radius: 11.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.35 AU - 5.23 AU

Year: 7236 Days

Day: 5.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,400,269 km

• M1: 142,118 km (0.114 R)
• M2: 594,053 km (0.084 R)
• M3: 1,008,290 km (0.096 R)
• M4: 1,384,827 km (0.101 R)
• M5: 1,883,288 km (0.107 R)
• M6: 2,982,982 km (0.03 R)
• M7: 3,569,106 km (0.068 R)
• M8: 3,934,574 km (0.058 R)
• M9: 4,372,746 km (0.073 R)
• M10: 5,051,471 km (0.103 R)
• M11: 7,689,331 km (0.108 R)
• M12: 8,340,081 km (0.073 R)
• M13: 9,546,588 km (0.116 R)
• M14: 10,601,552 km (0.102 R)
• M15: 14,828,291 km (0.045 R)
• M16: 15,439,248 km (0.039 R)
• M17: 20,265,276 km (0.088 R)
• M18: 21,860,587 km (0.058 R)
• M19: 24,987,183 km (0.08 R)
• M20: 25,614,746 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 12,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit