🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 8.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.63 AU - 0.73 AU

Year: 387 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,750,476 km

• M1: 102,026 km (0.11 R)
• M2: 388,057 km (0.073 R)
• M3: 664,813 km (0.071 R)
• M4: 1,017,864 km (0.102 R)
• M5: 1,346,979 km (0.115 R)
• M6: 1,795,025 km (0.12 R)
• M7: 2,183,680 km (0.04 R)
• M8: 2,766,813 km (0.1 R)
• M9: 3,039,530 km (0.092 R)
• M10: 4,065,621 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 11.3

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.16 AU - 1.35 AU

Year: 965 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,750,476 km

• M1: 140,472 km (0.119 R)
• M2: 645,664 km (0.064 R)
• M3: 1,189,901 km (0.118 R)
• M4: 1,631,514 km (0.091 R)
• M5: 2,068,789 km (0.081 R)
• M6: 2,467,766 km (0.036 R)
• M7: 3,239,542 km (0.104 R)
• M8: 4,265,334 km (0.067 R)
• M9: 4,771,574 km (0.1 R)
• M10: 5,337,353 km (0.048 R)
• M11: 6,832,434 km (0.116 R)
• M12: 7,306,809 km (0.07 R)
• M13: 8,137,825 km (0.034 R)
• M14: 10,351,724 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 12.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.2 AU - 1.36 AU

Year: 1000 Days

Day: 12.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,750,476 km

• M1: 154,235 km (0.106 R)
• M2: 599,588 km (0.093 R)
• M3: 1,002,306 km (0.084 R)
• M4: 1,441,974 km (0.094 R)
• M5: 2,318,468 km (0.056 R)
• M6: 2,859,862 km (0.115 R)
• M7: 4,184,701 km (0.107 R)
• M8: 4,645,313 km (0.115 R)
• M9: 5,273,026 km (0.049 R)
• M10: 5,865,733 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.1

Radius: 11.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.8 AU - 2.18 AU

Year: 1938 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,750,476 km

• M1: 143,016 km (0.094 R)
• M2: 501,452 km (0.049 R)
• M3: 926,160 km (0.075 R)
• M4: 1,482,365 km (0.079 R)
• M5: 2,230,654 km (0.103 R)
• M6: 2,938,701 km (0.07 R)
• M7: 4,682,713 km (0.105 R)
• M8: 6,287,449 km (0.115 R)
• M9: 7,976,259 km (0.116 R)
• M10: 8,670,393 km (0.06 R)
• M11: 9,722,366 km (0.114 R)
• M12: 10,346,189 km (0.072 R)
• M13: 13,270,229 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 9.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.57 AU - 2.69 AU

Year: 2944 Days

Day: 14 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,750,476 km

• M1: 116,986 km (0.112 R)
• M2: 527,931 km (0.064 R)
• M3: 947,553 km (0.114 R)
• M4: 1,744,760 km (0.118 R)
• M5: 2,253,094 km (0.061 R)
• M6: 2,689,471 km (0.117 R)
• M7: 3,098,172 km (0.114 R)
• M8: 3,494,157 km (0.096 R)
• M9: 4,141,168 km (0.119 R)
• M10: 5,824,593 km (0.059 R)
• M11: 6,268,001 km (0.119 R)
• M12: 6,903,942 km (0.074 R)
• M13: 7,551,701 km (0.075 R)
• M14: 8,631,947 km (0.109 R)
• M15: 8,968,542 km (0.054 R)
• M16: 9,313,814 km (0.091 R)
• M17: 10,554,728 km (0.081 R)
• M18: 11,656,666 km (0.102 R)
• M19: 12,920,618 km (0.102 R)
• M20: 13,495,822 km (0.051 R)
• M21: 15,032,791 km (0.03 R)
• M22: 17,471,835 km (0.117 R)
• M23: 18,230,296 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.7

Radius: 12.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.89 AU - 3.79 AU

Year: 4213 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,750,476 km

• M1: 159,471 km (0.106 R)
• M2: 618,587 km (0.081 R)
• M3: 1,234,033 km (0.111 R)
• M4: 1,647,222 km (0.054 R)
• M5: 2,111,724 km (0.115 R)
• M6: 2,957,700 km (0.066 R)
• M7: 4,384,115 km (0.053 R)
• M8: 5,052,967 km (0.051 R)
• M9: 7,611,240 km (0.114 R)
• M10: 8,504,639 km (0.086 R)
• M11: 9,190,396 km (0.058 R)
• M12: 9,871,515 km (0.077 R)
• M13: 12,260,742 km (0.111 R)
• M14: 14,688,267 km (0.12 R)
• M15: 15,788,559 km (0.11 R)
• M16: 20,948,639 km (0.108 R)
• M17: 22,270,934 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 11.1

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.46 AU - 4.38 AU

Year: 5357 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,750,476 km

• M1: 138,079 km (0.095 R)
• M2: 608,564 km (0.103 R)
• M3: 974,929 km (0.068 R)
• M4: 1,424,471 km (0.11 R)
• M5: 1,924,726 km (0.115 R)
• M6: 2,338,065 km (0.084 R)
• M7: 3,367,298 km (0.099 R)
• M8: 3,809,061 km (0.026 R)
• M9: 4,649,352 km (0.096 R)
• M10: 5,372,209 km (0.093 R)
• M11: 6,297,472 km (0.095 R)
• M12: 7,147,188 km (0.097 R)
• M13: 7,618,272 km (0.095 R)
• M14: 8,744,444 km (0.098 R)
• M15: 14,375,159 km (0.117 R)
• M16: 25,217,713 km (0.092 R)
• M17: 26,568,582 km (0.075 R)
• M18: 28,956,463 km (0.108 R)
• M19: 30,249,437 km (0.116 R)
• M20: 32,752,210 km (0.059 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 14,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit