🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.9

Radius: 13.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.79 AU - 0.81 AU

Year: 469 Days

Day: 13.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,152,517 km

• M1: 167,998 km (0.084 R)
• M2: 976,874 km (0.104 R)
• M3: 1,868,477 km (0.09 R)
• M4: 2,394,763 km (0.059 R)
• M5: 3,102,361 km (0.041 R)
• M6: 3,983,343 km (0.118 R)
• M7: 4,710,239 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.3

Radius: 8.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1.02 AU

Year: 496 Days

Day: 11.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,152,517 km

• M1: 244,742 km (0.111 R)
• M2: 565,929 km (0.07 R)
• M3: 1,534,126 km (0.052 R)
• M4: 2,055,924 km (0.114 R)
• M5: 2,434,556 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 9.8

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.93 AU - 0.99 AU

Year: 617 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,152,517 km

• M1: 121,922 km (0.089 R)
• M2: 516,412 km (0.091 R)
• M3: 851,810 km (0.118 R)
• M4: 1,181,973 km (0.079 R)
• M5: 1,710,053 km (0.104 R)
• M6: 2,170,665 km (0.11 R)
• M7: 2,515,339 km (0.12 R)
• M8: 3,265,273 km (0.085 R)
• M9: 3,934,723 km (0.026 R)
• M10: 4,263,988 km (0.102 R)
• M11: 4,595,347 km (0.056 R)
• M12: 6,058,564 km (0.111 R)
• M13: 6,458,140 km (0.117 R)
• M14: 7,717,754 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 11.5

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.77 AU - 1.89 AU

Year: 1624 Days

Day: 13.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,152,517 km

• M1: 143,016 km (0.101 R)
• M2: 538,104 km (0.062 R)
• M3: 943,065 km (0.117 R)
• M4: 1,432,400 km (0.113 R)
• M5: 1,815,071 km (0.069 R)
• M6: 2,218,536 km (0.101 R)
• M7: 2,627,387 km (0.042 R)
• M8: 4,243,792 km (0.043 R)
• M9: 5,856,906 km (0.118 R)
• M10: 6,646,334 km (0.06 R)
• M11: 7,338,673 km (0.115 R)
• M12: 8,137,526 km (0.113 R)
• M13: 8,527,677 km (0.117 R)
• M14: 9,025,090 km (0.041 R)
• M15: 10,423,381 km (0.062 R)
• M16: 11,432,718 km (0.096 R)
• M17: 13,067,224 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 9.2

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.99 AU - 3.07 AU

Year: 2640 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,152,517 km

• M1: 115,490 km (0.058 R)
• M2: 652,396 km (0.116 R)
• M3: 1,251,685 km (0.104 R)
• M4: 1,786,348 km (0.118 R)
• M5: 2,523,267 km (0.05 R)
• M6: 4,031,064 km (0.056 R)
• M7: 4,439,466 km (0.077 R)
• M8: 5,508,792 km (0.071 R)
• M9: 6,968,119 km (0.068 R)
• M10: 7,771,909 km (0.053 R)
• M11: 9,247,093 km (0.094 R)
• M12: 10,143,035 km (0.104 R)
• M13: 11,293,293 km (0.101 R)
• M14: 11,654,721 km (0.089 R)
• M15: 13,988,149 km (0.089 R)
• M16: 15,264,368 km (0.09 R)
• M17: 15,855,729 km (0.1 R)
• M18: 16,616,583 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 9.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.68 AU - 2.78 AU

Year: 2959 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,152,517 km

• M1: 115,639 km (0.093 R)
• M2: 754,721 km (0.069 R)
• M3: 1,412,054 km (0.102 R)
• M4: 2,518,181 km (0.103 R)
• M5: 3,498,496 km (0.062 R)
• M6: 4,531,170 km (0.093 R)
• M7: 6,469,659 km (0.034 R)
• M8: 6,782,019 km (0.071 R)
• M9: 7,780,436 km (0.108 R)
• M10: 8,345,467 km (0.104 R)
• M11: 9,033,467 km (0.068 R)
• M12: 10,170,710 km (0.116 R)
• M13: 10,773,739 km (0.074 R)
• M14: 11,438,253 km (0.111 R)
• M15: 12,485,737 km (0.047 R)
• M16: 13,427,456 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 10.3

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.53 AU - 3.77 AU

Year: 4575 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,152,517 km

• M1: 128,056 km (0.099 R)
• M2: 455,825 km (0.055 R)
• M3: 946,955 km (0.097 R)
• M4: 1,329,626 km (0.077 R)
• M5: 1,829,133 km (0.062 R)
• M6: 3,325,261 km (0.107 R)
• M7: 3,780,338 km (0.068 R)
• M8: 5,263,601 km (0.071 R)
• M9: 7,683,047 km (0.111 R)
• M10: 8,111,945 km (0.091 R)
• M11: 8,708,690 km (0.107 R)
• M12: 9,947,959 km (0.073 R)
• M13: 10,328,835 km (0.084 R)
• M14: 11,255,594 km (0.095 R)
• M15: 11,809,555 km (0.094 R)
• M16: 13,945,214 km (0.103 R)
• M17: 14,315,768 km (0.086 R)
• M18: 16,268,170 km (0.086 R)
• M19: 17,096,793 km (0.105 R)
• M20: 17,705,656 km (0.037 R)
• M21: 21,386,063 km (0.077 R)
• M22: 24,613,637 km (0.116 R)
• M23: 25,547,277 km (0.058 R)
• M24: 27,817,574 km (0.025 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 17,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit