🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.3

Radius: 8.1

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 13.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,931,726 km

• M1: 100,829 km (0.097 R)
• M2: 398,978 km (0.074 R)
• M3: 676,332 km (0.096 R)
• M4: 1,006,345 km (0.101 R)
• M5: 1,431,053 km (0.102 R)
• M6: 1,775,128 km (0.119 R)
• M7: 2,330,884 km (0.112 R)
• M8: 2,997,941 km (0.059 R)
• M9: 3,278,886 km (0.118 R)
• M10: 3,543,226 km (0.092 R)
• M11: 4,052,906 km (0.071 R)
• M12: 4,410,444 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 13.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.62 AU - 0.68 AU

Year: 349 Days

Day: 5.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,931,726 km

• M1: 172,486 km (0.111 R)
• M2: 595,250 km (0.056 R)
• M3: 1,048,382 km (0.102 R)
• M4: 1,484,160 km (0.091 R)
• M5: 2,198,790 km (0.043 R)
• M6: 2,955,007 km (0.111 R)
• M7: 3,706,287 km (0.106 R)
• M8: 4,972,035 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 8.8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.76 AU - 2.64 AU

Year: 2176 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,931,726 km

• M1: 109,506 km (0.038 R)
• M2: 486,791 km (0.101 R)
• M3: 926,609 km (0.116 R)
• M4: 1,407,118 km (0.085 R)
• M5: 1,911,861 km (0.103 R)
• M6: 2,280,769 km (0.097 R)
• M7: 3,028,908 km (0.101 R)
• M8: 3,625,205 km (0.098 R)
• M9: 3,912,284 km (0.057 R)
• M10: 5,168,606 km (0.09 R)
• M11: 5,734,685 km (0.05 R)
• M12: 6,152,512 km (0.074 R)
• M13: 7,196,854 km (0.065 R)
• M14: 8,062,577 km (0.09 R)
• M15: 9,170,050 km (0.091 R)
• M16: 9,453,239 km (0.094 R)
• M17: 10,413,957 km (0.084 R)
• M18: 11,036,733 km (0.117 R)
• M19: 11,975,160 km (0.095 R)
• M20: 16,733,719 km (0.079 R)
• M21: 17,533,768 km (0.073 R)
• M22: 18,866,386 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 11.6

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.52 AU - 4.02 AU

Year: 3943 Days

Day: 6 Hours

Environment

Temp: -211 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,931,726 km

• M1: 144,362 km (0.098 R)
• M2: 558,000 km (0.118 R)
• M3: 959,820 km (0.097 R)
• M4: 1,616,255 km (0.115 R)
• M5: 2,046,948 km (0.087 R)
• M6: 2,420,045 km (0.091 R)
• M7: 3,306,412 km (0.033 R)
• M8: 3,824,918 km (0.096 R)
• M9: 4,375,139 km (0.034 R)
• M10: 5,173,842 km (0.097 R)
• M11: 5,661,083 km (0.074 R)
• M12: 6,235,239 km (0.063 R)
• M13: 6,968,867 km (0.07 R)
• M14: 8,058,089 km (0.091 R)
• M15: 8,468,436 km (0.113 R)
• M16: 9,294,366 km (0.11 R)
• M17: 9,707,855 km (0.118 R)
• M18: 15,417,706 km (0.04 R)
• M19: 17,599,142 km (0.057 R)
• M20: 22,364,433 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 13.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.3 AU - 3.68 AU

Year: 4348 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,931,726 km

• M1: 170,542 km (0.076 R)
• M2: 596,896 km (0.092 R)
• M3: 1,283,101 km (0.088 R)
• M4: 1,856,659 km (0.099 R)
• M5: 3,107,148 km (0.085 R)
• M6: 3,681,753 km (0.098 R)
• M7: 5,210,045 km (0.082 R)
• M8: 6,367,783 km (0.099 R)
• M9: 6,789,799 km (0.118 R)
• M10: 7,440,400 km (0.06 R)
• M11: 8,590,957 km (0.077 R)
• M12: 9,067,127 km (0.103 R)
• M13: 9,602,687 km (0.111 R)
• M14: 11,104,052 km (0.032 R)
• M15: 12,057,588 km (0.108 R)
• M16: 12,756,958 km (0.104 R)
• M17: 13,802,797 km (0.076 R)
• M18: 14,401,937 km (0.081 R)
• M19: 16,912,338 km (0.091 R)
• M20: 17,981,066 km (0.11 R)
• M21: 19,161,094 km (0.098 R)
• M22: 20,672,780 km (0.054 R)
• M23: 23,545,807 km (0.099 R)
• M24: 25,359,681 km (0.108 R)
• M25: 26,842,944 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.4

Radius: 4.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.59 AU - 7.53 AU

Year: 11204 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,931,726 km

• M1: 59,839 km (0.055 R)
• M2: 483,650 km (0.11 R)
• M3: 646,113 km (0.046 R)
• M4: 1,085,632 km (0.055 R)
• M5: 1,513,182 km (0.094 R)
• M6: 3,029,506 km (0.088 R)
• M7: 6,315,723 km (0.08 R)
• M8: 6,841,859 km (0.087 R)
• M9: 11,779,336 km (0.083 R)
• M10: 15,176,106 km (0.051 R)
• M11: 16,004,429 km (0.056 R)
• M12: 21,548,526 km (0.097 R)
• M13: 22,735,735 km (0.048 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: 545 - 20,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit