🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 13.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.21 AU - 1.35 AU

Year: 935 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,684,945 km

• M1: 171,738 km (0.115 R)
• M2: 676,631 km (0.085 R)
• M3: 1,113,457 km (0.101 R)
• M4: 2,128,628 km (0.109 R)
• M5: 2,602,105 km (0.082 R)
• M6: 3,504,480 km (0.092 R)
• M7: 4,344,621 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 13.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.23 AU - 1.37 AU

Year: 957 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,684,945 km

• M1: 170,841 km (0.115 R)
• M2: 672,891 km (0.114 R)
• M3: 1,104,481 km (0.114 R)
• M4: 1,540,260 km (0.069 R)
• M5: 2,268,053 km (0.094 R)
• M6: 2,928,528 km (0.059 R)
• M7: 3,452,270 km (0.056 R)
• M8: 4,199,063 km (0.099 R)
• M9: 4,725,498 km (0.102 R)
• M10: 5,276,915 km (0.088 R)
• M11: 6,184,526 km (0.119 R)
• M12: 7,384,450 km (0.075 R)
• M13: 8,052,704 km (0.103 R)
• M14: 8,546,975 km (0.053 R)
• M15: 8,978,864 km (0.082 R)
• M16: 9,769,788 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.1

Radius: 11.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.39 AU - 1.43 AU

Year: 1081 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,684,945 km

• M1: 145,559 km (0.082 R)
• M2: 608,115 km (0.11 R)
• M3: 1,134,251 km (0.088 R)
• M4: 1,640,191 km (0.059 R)
• M5: 2,407,778 km (0.112 R)
• M6: 2,900,703 km (0.106 R)
• M7: 3,766,725 km (0.096 R)
• M8: 4,295,104 km (0.04 R)
• M9: 4,816,154 km (0.052 R)
• M10: 6,227,460 km (0.118 R)
• M11: 6,992,653 km (0.107 R)
• M12: 7,461,044 km (0.09 R)
• M13: 8,433,580 km (0.086 R)
• M14: 10,501,920 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 10.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.49 AU - 1.53 AU

Year: 1198 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,684,945 km

• M1: 128,056 km (0.116 R)
• M2: 467,793 km (0.071 R)
• M3: 831,764 km (0.089 R)
• M4: 1,185,114 km (0.097 R)
• M5: 1,598,453 km (0.084 R)
• M6: 2,211,057 km (0.106 R)
• M7: 2,947,976 km (0.061 R)
• M8: 3,352,787 km (0.114 R)
• M9: 3,794,550 km (0.111 R)
• M10: 4,291,664 km (0.102 R)
• M11: 5,204,061 km (0.093 R)
• M12: 7,217,349 km (0.108 R)
• M13: 7,730,021 km (0.067 R)
• M14: 8,085,017 km (0.056 R)
• M15: 8,719,162 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686

Radius: 4.4

Gravity: 35.43 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.19 AU - 8.11 AU

Year: 13662 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,684,945 km

• M1: 54,753 km (0.101 R)
• M2: 570,417 km (0.11 R)
• M3: 772,523 km (0.096 R)
• M4: 1,584,541 km (0.102 R)
• M5: 2,627,537 km (0.118 R)
• M6: 3,240,739 km (0.045 R)
• M7: 3,662,754 km (0.075 R)
• M8: 6,179,290 km (0.097 R)
• M9: 7,340,319 km (0.109 R)
• M10: 9,087,921 km (0.116 R)
• M11: 9,343,584 km (0.099 R)
• M12: 12,796,602 km (0.119 R)
• M13: 13,510,333 km (0.116 R)
• M14: 17,559,499 km (0.055 R)
• M15: 18,932,359 km (0.093 R)
• M16: 37,575,844 km (0.064 R)
• M17: 40,944,040 km (0.088 R)
• M18: 50,471,928 km (0.101 R)
• M19: 52,408,772 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547

Radius: 4.9

Gravity: 22.78 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.4 AU - 8.44 AU

Year: 14391 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,684,945 km

• M1: 60,886 km (0.092 R)
• M2: 407,953 km (0.049 R)
• M3: 795,861 km (0.102 R)
• M4: 1,441,974 km (0.119 R)
• M5: 1,605,185 km (0.058 R)
• M6: 1,780,663 km (0.119 R)
• M7: 2,386,086 km (0.118 R)
• M8: 2,702,785 km (0.113 R)
• M9: 4,108,107 km (0.092 R)
• M10: 4,754,071 km (0.104 R)
• M11: 5,865,134 km (0.088 R)
• M12: 7,572,195 km (0.069 R)
• M13: 8,161,312 km (0.076 R)
• M14: 14,152,258 km (0.072 R)
• M15: 19,649,980 km (0.07 R)
• M16: 19,817,828 km (0.072 R)
• M17: 29,820,092 km (0.092 R)
• M18: 32,320,919 km (0.099 R)
• M19: 41,753,962 km (0.101 R)
• M20: 43,438,435 km (0.032 R)
• M21: 45,460,100 km (0.103 R)
• M22: 52,866,990 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 15,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit