🌌 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: 364.8

Radius: 14.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.74 AU - 0.84 AU

Year: 485 Days

Day: 8.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,976,186 km

• M1: 183,407 km (0.088 R)
• M2: 702,212 km (0.054 R)
• M3: 1,369,269 km (0.042 R)
• M4: 2,629,183 km (0.081 R)
• M5: 3,145,744 km (0.113 R)
• M6: 3,600,671 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 10.1

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.45 AU - 2.37 AU

Year: 1822 Days

Day: 14.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,976,186 km

• M1: 128,056 km (0.064 R)
• M2: 531,820 km (0.108 R)
• M3: 975,528 km (0.097 R)
• M4: 1,423,573 km (0.117 R)
• M5: 1,949,559 km (0.114 R)
• M6: 2,727,917 km (0.047 R)
• M7: 3,359,220 km (0.092 R)
• M8: 3,754,458 km (0.056 R)
• M9: 4,891,102 km (0.055 R)
• M10: 5,515,823 km (0.113 R)
• M11: 5,945,019 km (0.08 R)
• M12: 6,319,463 km (0.088 R)
• M13: 6,683,285 km (0.056 R)
• M14: 7,452,966 km (0.092 R)
• M15: 8,653,489 km (0.094 R)
• M16: 10,508,951 km (0.103 R)
• M17: 11,207,424 km (0.049 R)
• M18: 12,737,959 km (0.053 R)
• M19: 15,591,240 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.9

Radius: 8

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.48 AU - 3.06 AU

Year: 3182 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,976,186 km

• M1: 99,483 km (0.102 R)
• M2: 576,550 km (0.116 R)
• M3: 922,271 km (0.118 R)
• M4: 1,394,551 km (0.102 R)
• M5: 1,820,756 km (0.038 R)
• M6: 2,289,147 km (0.095 R)
• M7: 2,901,301 km (0.111 R)
• M8: 4,381,722 km (0.083 R)
• M9: 4,697,074 km (0.095 R)
• M10: 5,124,924 km (0.091 R)
• M11: 9,425,863 km (0.06 R)
• M12: 14,159,438 km (0.079 R)
• M13: 19,842,961 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 14

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.49 AU - 3.15 AU

Year: 3269 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,976,186 km

• M1: 174,282 km (0.115 R)
• M2: 811,419 km (0.098 R)
• M3: 1,936,395 km (0.117 R)
• M4: 2,694,108 km (0.092 R)
• M5: 3,167,436 km (0.095 R)
• M6: 4,696,775 km (0.065 R)
• M7: 5,506,398 km (0.038 R)
• M8: 6,147,575 km (0.045 R)
• M9: 6,783,366 km (0.093 R)
• M10: 7,231,262 km (0.119 R)
• M11: 8,063,026 km (0.046 R)
• M12: 9,326,978 km (0.047 R)
• M13: 11,961,547 km (0.118 R)
• M14: 12,869,905 km (0.037 R)
• M15: 14,501,120 km (0.11 R)
• M16: 17,329,567 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 10.1

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.43 AU - 3.95 AU

Year: 3933 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,976,186 km

• M1: 125,812 km (0.097 R)
• M2: 498,161 km (0.1 R)
• M3: 919,578 km (0.061 R)
• M4: 1,284,896 km (0.053 R)
• M5: 2,111,424 km (0.118 R)
• M6: 2,814,235 km (0.111 R)
• M7: 4,152,089 km (0.028 R)
• M8: 4,507,982 km (0.115 R)
• M9: 5,335,707 km (0.093 R)
• M10: 5,757,274 km (0.092 R)
• M11: 6,477,887 km (0.032 R)
• M12: 9,890,214 km (0.066 R)
• M13: 10,967,917 km (0.116 R)
• M14: 11,283,270 km (0.091 R)
• M15: 12,508,028 km (0.098 R)
• M16: 15,954,613 km (0.111 R)
• M17: 17,010,923 km (0.077 R)
• M18: 20,189,130 km (0.115 R)
• M19: 22,203,316 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 10.5

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.95 AU - 4.77 AU

Year: 5235 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,976,186 km

• M1: 130,599 km (0.05 R)
• M2: 472,879 km (0.119 R)
• M3: 1,055,712 km (0.116 R)
• M4: 1,724,115 km (0.06 R)
• M5: 2,468,814 km (0.09 R)
• M6: 2,832,935 km (0.066 R)
• M7: 3,353,984 km (0.025 R)
• M8: 6,354,768 km (0.113 R)
• M9: 8,768,978 km (0.041 R)
• M10: 9,921,032 km (0.118 R)
• M11: 11,124,995 km (0.084 R)
• M12: 12,028,866 km (0.089 R)
• M13: 14,145,376 km (0.07 R)
• M14: 15,148,729 km (0.059 R)
• M15: 16,258,596 km (0.055 R)
• M16: 19,035,731 km (0.072 R)
• M17: 19,505,019 km (0.113 R)
• M18: 22,484,410 km (0.117 R)
• M19: 24,004,624 km (0.098 R)
• M20: 28,711,871 km (0.041 R)
• M21: 29,240,549 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 11

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.41 AU - 5.45 AU

Year: 8734 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 113.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,976,186 km

• M1: 136,882 km (0.04 R)
• M2: 504,294 km (0.068 R)
• M3: 1,174,642 km (0.114 R)
• M4: 2,239,181 km (0.03 R)
• M5: 2,750,506 km (0.119 R)
• M6: 3,316,286 km (0.108 R)
• M7: 3,784,377 km (0.112 R)
• M8: 4,681,665 km (0.059 R)
• M9: 7,779,837 km (0.075 R)
• M10: 8,229,379 km (0.111 R)
• M11: 9,046,632 km (0.095 R)
• M12: 11,560,624 km (0.077 R)
• M13: 11,985,033 km (0.118 R)
• M14: 14,386,229 km (0.037 R)
• M15: 15,380,007 km (0.107 R)
• M16: 17,365,919 km (0.084 R)
• M17: 18,564,198 km (0.066 R)
• M18: 23,319,765 km (0.083 R)
• M19: 25,573,008 km (0.119 R)
• M20: 25,932,192 km (0.08 R)
• M21: 34,492,183 km (0.099 R)
• M22: 35,373,015 km (0.088 R)
• M23: 40,488,065 km (0.071 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: 292 - 12,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit