🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 12.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.63 AU - 0.67 AU

Year: 355 Days

Day: 14.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 19,035,354 km

• M1: 159,172 km (0.094 R)
• M2: 560,394 km (0.102 R)
• M3: 1,006,345 km (0.108 R)
• M4: 1,970,204 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.8

Radius: 8.6

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.79 AU - 0.91 AU

Year: 532 Days

Day: 7.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,035,354 km

• M1: 106,962 km (0.104 R)
• M2: 483,201 km (0.077 R)
• M3: 820,844 km (0.052 R)
• M4: 1,465,610 km (0.112 R)
• M5: 2,255,337 km (0.056 R)
• M6: 2,765,915 km (0.102 R)
• M7: 3,351,441 km (0.109 R)
• M8: 3,635,827 km (0.062 R)
• M9: 4,044,678 km (0.099 R)
• M10: 4,396,382 km (0.103 R)
• M11: 4,768,582 km (0.062 R)
• M12: 5,081,391 km (0.071 R)
• M13: 5,905,974 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 11.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.49 AU - 2.21 AU

Year: 1707 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,035,354 km

• M1: 140,622 km (0.106 R)
• M2: 888,163 km (0.11 R)
• M3: 1,442,123 km (0.067 R)
• M4: 2,144,186 km (0.096 R)
• M5: 2,755,742 km (0.051 R)
• M6: 3,133,178 km (0.104 R)
• M7: 3,506,275 km (0.096 R)
• M8: 4,464,150 km (0.104 R)
• M9: 5,934,248 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 10.6

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.61 AU - 2.39 AU

Year: 1918 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,035,354 km

• M1: 131,796 km (0.096 R)
• M2: 529,876 km (0.102 R)
• M3: 1,403,677 km (0.104 R)
• M4: 2,149,422 km (0.086 R)
• M5: 2,738,239 km (0.069 R)
• M6: 3,204,386 km (0.12 R)
• M7: 3,776,000 km (0.057 R)
• M8: 4,886,016 km (0.113 R)
• M9: 5,278,411 km (0.071 R)
• M10: 5,786,446 km (0.087 R)
• M11: 6,377,806 km (0.081 R)
• M12: 7,885,304 km (0.107 R)
• M13: 9,025,090 km (0.052 R)
• M14: 9,384,125 km (0.098 R)
• M15: 10,555,177 km (0.108 R)
• M16: 11,552,546 km (0.083 R)
• M17: 13,227,294 km (0.071 R)
• M18: 13,992,338 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 10.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.17 AU - 3.09 AU

Year: 2893 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,035,354 km

• M1: 135,536 km (0.026 R)
• M2: 638,185 km (0.109 R)
• M3: 1,446,163 km (0.061 R)
• M4: 1,788,443 km (0.087 R)
• M5: 3,051,348 km (0.115 R)
• M6: 3,444,790 km (0.093 R)
• M7: 3,809,061 km (0.052 R)
• M8: 4,633,495 km (0.083 R)
• M9: 5,969,553 km (0.115 R)
• M10: 7,201,641 km (0.068 R)
• M11: 7,547,063 km (0.119 R)
• M12: 8,244,787 km (0.114 R)
• M13: 8,623,270 km (0.072 R)
• M14: 9,041,546 km (0.097 R)
• M15: 10,162,333 km (0.105 R)
• M16: 10,692,807 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 8.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.22 AU - 3.24 AU

Year: 3937 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,035,354 km

• M1: 109,057 km (0.096 R)
• M2: 549,922 km (0.107 R)
• M3: 1,003,503 km (0.078 R)
• M4: 1,615,507 km (0.115 R)
• M5: 1,905,428 km (0.11 R)
• M6: 2,501,725 km (0.06 R)
• M7: 2,975,950 km (0.087 R)
• M8: 3,270,658 km (0.11 R)
• M9: 4,812,115 km (0.086 R)
• M10: 5,995,883 km (0.028 R)
• M11: 7,711,022 km (0.076 R)
• M12: 8,304,028 km (0.074 R)
• M13: 8,681,164 km (0.113 R)
• M14: 9,730,593 km (0.061 R)
• M15: 10,150,066 km (0.118 R)
• M16: 11,355,376 km (0.091 R)
• M17: 12,342,273 km (0.036 R)
• M18: 15,490,860 km (0.099 R)
• M19: 19,736,297 km (0.082 R)
• M20: 21,096,591 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 9.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.18 AU - 5.8 AU

Year: 8725 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 19,035,354 km

• M1: 113,246 km (0.032 R)
• M2: 438,172 km (0.095 R)
• M3: 891,304 km (0.057 R)
• M4: 1,229,844 km (0.053 R)
• M5: 1,605,634 km (0.076 R)
• M6: 2,298,122 km (0.083 R)
• M7: 2,730,610 km (0.118 R)
• M8: 3,276,493 km (0.112 R)
• M9: 3,848,405 km (0.089 R)
• M10: 4,265,634 km (0.102 R)
• M11: 5,055,062 km (0.06 R)
• M12: 5,357,549 km (0.069 R)
• M13: 6,244,664 km (0.107 R)
• M14: 7,718,652 km (0.094 R)
• M15: 8,498,356 km (0.034 R)
• M16: 10,257,776 km (0.077 R)
• M17: 11,199,794 km (0.094 R)
• M18: 13,673,694 km (0.118 R)
• M19: 15,150,824 km (0.07 R)
• M20: 16,852,799 km (0.108 R)
• M21: 17,593,009 km (0.095 R)
• M22: 18,162,229 km (0.1 R)
• M23: 18,940,287 km (0.097 R)
• M24: 19,471,210 km (0.1 R)
• M25: 20,493,412 km (0.099 R)
• M26: 21,053,058 km (0.104 R)
• M27: 23,092,227 km (0.103 R)
• M28: 27,898,806 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.3

Radius: 4.2

Gravity: 26.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.45 AU - 5.99 AU

Year: 9279 Days

Day: 20.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,035,354 km

• M1: 52,210 km (0.09 R)
• M2: 489,035 km (0.102 R)
• M3: 668,403 km (0.085 R)
• M4: 873,352 km (0.093 R)
• M5: 1,087,427 km (0.08 R)
• M6: 3,073,339 km (0.099 R)
• M7: 4,466,693 km (0.098 R)
• M8: 7,099,915 km (0.075 R)
• M9: 7,880,816 km (0.107 R)
• M10: 8,333,948 km (0.12 R)
• M11: 8,847,816 km (0.116 R)
• M12: 9,797,464 km (0.118 R)
• M13: 11,065,007 km (0.096 R)
• M14: 20,720,352 km (0.105 R)
• M15: 26,428,109 km (0.112 R)
• M16: 28,861,468 km (0.101 R)
• M17: 34,167,705 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32

Radius: 7.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.23 AU - 7.03 AU

Year: 11579 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 57.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,035,354 km

• M1: 96,341 km (0.106 R)
• M2: 638,484 km (0.093 R)
• M3: 1,798,765 km (0.082 R)
• M4: 2,836,376 km (0.107 R)
• M5: 4,764,243 km (0.117 R)
• M6: 7,135,519 km (0.045 R)
• M7: 7,708,479 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 13,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit