🌌 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: 552.5

Radius: 14.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.77 AU - 0.85 AU

Year: 486 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,438,472 km

• M1: 182,809 km (0.109 R)
• M2: 725,400 km (0.094 R)
• M3: 1,306,737 km (0.04 R)
• M4: 1,801,607 km (0.068 R)
• M5: 2,386,984 km (0.105 R)
• M6: 3,044,466 km (0.068 R)
• M7: 3,621,465 km (0.058 R)
• M8: 4,624,669 km (0.047 R)
• M9: 5,231,587 km (0.104 R)
• M10: 5,891,463 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 10.2

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.83 AU - 1.17 AU

Year: 667 Days

Day: 13.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 155.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,438,472 km

• M1: 126,859 km (0.119 R)
• M2: 545,733 km (0.051 R)
• M3: 946,207 km (0.104 R)
• M4: 1,427,912 km (0.115 R)
• M5: 1,836,164 km (0.079 R)
• M6: 2,293,934 km (0.071 R)
• M7: 2,805,259 km (0.114 R)
• M8: 3,152,326 km (0.082 R)
• M9: 3,604,261 km (0.094 R)
• M10: 5,192,093 km (0.076 R)
• M11: 6,224,468 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.6

Radius: 12.3

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.15 AU - 1.53 AU

Year: 1034 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,438,472 km

• M1: 153,039 km (0.093 R)
• M2: 539,300 km (0.102 R)
• M3: 2,008,950 km (0.089 R)
• M4: 2,424,832 km (0.113 R)
• M5: 3,102,510 km (0.037 R)
• M6: 4,540,146 km (0.118 R)
• M7: 5,285,742 km (0.095 R)
• M8: 6,684,781 km (0.089 R)
• M9: 7,293,794 km (0.098 R)
• M10: 7,860,022 km (0.03 R)
• M11: 8,679,220 km (0.109 R)
• M12: 9,226,897 km (0.103 R)
• M13: 10,264,807 km (0.104 R)
• M14: 10,844,948 km (0.112 R)
• M15: 11,549,255 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 8.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.71 AU - 1.91 AU

Year: 1624 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,438,472 km

• M1: 105,766 km (0.064 R)
• M2: 503,696 km (0.026 R)
• M3: 838,197 km (0.111 R)
• M4: 1,365,529 km (0.114 R)
• M5: 2,069,238 km (0.071 R)
• M6: 2,362,898 km (0.04 R)
• M7: 2,995,847 km (0.086 R)
• M8: 3,752,513 km (0.105 R)
• M9: 4,241,399 km (0.119 R)
• M10: 4,596,095 km (0.089 R)
• M11: 5,288,584 km (0.114 R)
• M12: 6,196,643 km (0.09 R)
• M13: 7,371,136 km (0.111 R)
• M14: 8,957,771 km (0.064 R)
• M15: 9,289,280 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 12.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.62 AU - 3.3 AU

Year: 3396 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,438,472 km

• M1: 150,495 km (0.1 R)
• M2: 604,675 km (0.054 R)
• M3: 1,243,458 km (0.078 R)
• M4: 1,623,137 km (0.1 R)
• M5: 2,369,181 km (0.098 R)
• M6: 2,785,064 km (0.035 R)
• M7: 3,332,293 km (0.114 R)
• M8: 4,581,584 km (0.113 R)
• M9: 5,256,121 km (0.034 R)
• M10: 5,995,733 km (0.086 R)
• M11: 6,456,345 km (0.11 R)
• M12: 6,940,593 km (0.04 R)
• M13: 7,419,905 km (0.116 R)
• M14: 8,959,865 km (0.11 R)
• M15: 10,301,459 km (0.087 R)
• M16: 10,851,680 km (0.054 R)
• M17: 11,891,684 km (0.063 R)
• M18: 13,726,951 km (0.072 R)
• M19: 14,712,352 km (0.118 R)
• M20: 15,888,640 km (0.1 R)
• M21: 16,924,456 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 3.1

Gravity: 31.61 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.49 AU - 9.29 AU

Year: 17676 Days

Day: 17.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,438,472 km

• M1: 38,596 km (0.12 R)
• M2: 201,359 km (0.086 R)
• M3: 329,714 km (0.033 R)
• M4: 554,559 km (0.108 R)
• M5: 722,707 km (0.068 R)
• M6: 987,944 km (0.097 R)
• M7: 1,124,976 km (0.092 R)
• M8: 1,248,843 km (0.076 R)
• M9: 1,368,073 km (0.068 R)
• M10: 1,821,354 km (0.073 R)
• M11: 3,456,160 km (0.101 R)
• M12: 4,434,081 km (0.116 R)
• M13: 4,840,090 km (0.068 R)
• M14: 4,969,791 km (0.11 R)
• M15: 5,202,416 km (0.111 R)
• M16: 6,168,369 km (0.08 R)
• M17: 6,359,555 km (0.086 R)
• M18: 6,713,504 km (0.11 R)
• M19: 7,080,467 km (0.106 R)
• M20: 10,403,784 km (0.103 R)
• M21: 10,950,115 km (0.111 R)
• M22: 13,518,561 km (0.072 R)
• M23: 15,884,452 km (0.105 R)
• M24: 16,099,274 km (0.091 R)
• M25: 17,887,717 km (0.03 R)
• M26: 20,304,021 km (0.073 R)
• M27: 20,726,785 km (0.107 R)
• M28: 28,946,290 km (0.085 R)
• M29: 29,589,412 km (0.092 R)
• M30: 34,360,537 km (0.093 R)
• M31: 34,599,744 km (0.103 R)
• M32: 34,719,721 km (0.102 R)
• M33: 35,202,623 km (0.116 R)
• M34: 41,756,206 km (0.108 R)
• M35: 42,439,270 km (0.092 R)
• M36: 50,761,101 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 13,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit