🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 14.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.66 AU - 0.74 AU

Year: 384 Days

Day: 9.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,582,696 km

• M1: 176,675 km (0.1 R)
• M2: 629,807 km (0.071 R)
• M3: 1,228,348 km (0.031 R)
• M4: 1,703,022 km (0.116 R)
• M5: 2,814,385 km (0.07 R)
• M6: 3,442,696 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 12.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.72 AU - 0.84 AU

Year: 452 Days

Day: 11.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 28,582,696 km

• M1: 187,745 km (0.097 R)
• M2: 1,141,432 km (0.051 R)
• M3: 1,911,113 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 14.3

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.84 AU - 1 AU

Year: 579 Days

Day: 7.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,582,696 km

• M1: 177,872 km (0.093 R)
• M2: 647,160 km (0.112 R)
• M3: 1,188,405 km (0.045 R)
• M4: 1,747,453 km (0.106 R)
• M5: 2,595,822 km (0.087 R)
• M6: 3,323,317 km (0.07 R)
• M7: 3,881,466 km (0.095 R)
• M8: 4,587,718 km (0.077 R)
• M9: 5,141,529 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.9

Radius: 10.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.92 AU - 2.64 AU

Year: 2258 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,582,696 km

• M1: 129,253 km (0.064 R)
• M2: 457,620 km (0.105 R)
• M3: 795,561 km (0.095 R)
• M4: 1,181,524 km (0.055 R)
• M5: 2,036,177 km (0.082 R)
• M6: 2,544,061 km (0.11 R)
• M7: 3,454,963 km (0.054 R)
• M8: 6,452,904 km (0.119 R)
• M9: 7,356,475 km (0.11 R)
• M10: 7,867,801 km (0.107 R)
• M11: 10,119,997 km (0.026 R)
• M12: 11,487,172 km (0.041 R)
• M13: 12,020,787 km (0.063 R)
• M14: 12,650,744 km (0.107 R)
• M15: 13,848,424 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.6

Radius: 10.2

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.34 AU - 2.74 AU

Year: 2656 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,582,696 km

• M1: 126,859 km (0.025 R)
• M2: 509,830 km (0.06 R)
• M3: 890,407 km (0.052 R)
• M4: 1,298,360 km (0.085 R)
• M5: 1,771,388 km (0.06 R)
• M6: 2,579,516 km (0.095 R)
• M7: 3,833,745 km (0.053 R)
• M8: 4,887,362 km (0.076 R)
• M9: 6,123,639 km (0.098 R)
• M10: 7,589,549 km (0.06 R)
• M11: 8,456,169 km (0.111 R)
• M12: 8,913,640 km (0.074 R)
• M13: 9,239,912 km (0.072 R)
• M14: 11,242,579 km (0.095 R)
• M15: 12,502,343 km (0.051 R)
• M16: 13,096,546 km (0.06 R)
• M17: 13,709,598 km (0.068 R)
• M18: 16,086,708 km (0.099 R)
• M19: 16,789,818 km (0.11 R)
• M20: 18,490,895 km (0.032 R)
• M21: 18,844,395 km (0.038 R)
• M22: 19,870,636 km (0.069 R)
• M23: 20,491,468 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 14.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.25 AU - 4.23 AU

Year: 4745 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,582,696 km

• M1: 182,809 km (0.095 R)
• M2: 686,654 km (0.095 R)
• M3: 1,409,661 km (0.081 R)
• M4: 2,382,944 km (0.091 R)
• M5: 2,869,138 km (0.093 R)
• M6: 3,421,902 km (0.111 R)
• M7: 3,905,851 km (0.119 R)
• M8: 5,152,151 km (0.099 R)
• M9: 5,701,773 km (0.051 R)
• M10: 7,091,837 km (0.083 R)
• M11: 7,590,297 km (0.119 R)
• M12: 8,304,178 km (0.105 R)
• M13: 10,174,899 km (0.055 R)
• M14: 12,061,628 km (0.096 R)
• M15: 13,035,360 km (0.113 R)
• M16: 16,766,780 km (0.109 R)
• M17: 17,719,569 km (0.09 R)
• M18: 18,978,135 km (0.101 R)
• M19: 20,508,821 km (0.114 R)
• M20: 22,271,084 km (0.104 R)
• M21: 24,532,854 km (0.119 R)
• M22: 25,264,986 km (0.089 R)
• M23: 28,696,462 km (0.055 R)
• M24: 29,509,377 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 14.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.08 AU - 5.02 AU

Year: 6367 Days

Day: 14 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,582,696 km

• M1: 186,698 km (0.079 R)
• M2: 914,342 km (0.098 R)
• M3: 2,259,227 km (0.096 R)
• M4: 3,040,577 km (0.04 R)
• M5: 3,505,826 km (0.09 R)
• M6: 5,066,281 km (0.053 R)
• M7: 7,422,149 km (0.078 R)
• M8: 8,165,351 km (0.056 R)
• M9: 8,802,937 km (0.111 R)
• M10: 10,521,817 km (0.037 R)
• M11: 12,022,283 km (0.09 R)
• M12: 15,728,421 km (0.113 R)
• M13: 18,310,779 km (0.103 R)
• M14: 21,303,784 km (0.107 R)
• M15: 22,154,098 km (0.084 R)
• M16: 25,074,697 km (0.046 R)
• M17: 26,586,833 km (0.106 R)
• M18: 27,822,810 km (0.072 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: 259 - 18,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit