🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.1

Radius: 8.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.79 AU

Year: 441 Days

Day: 12.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,984,446 km

• M1: 108,159 km (0.097 R)
• M2: 425,008 km (0.076 R)
• M3: 793,766 km (0.1 R)
• M4: 1,159,234 km (0.094 R)
• M5: 1,439,580 km (0.114 R)
• M6: 1,872,816 km (0.08 R)
• M7: 2,541,967 km (0.034 R)
• M8: 3,053,592 km (0.106 R)
• M9: 3,574,940 km (0.101 R)
• M10: 3,857,082 km (0.088 R)
• M11: 4,533,713 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 8.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.8 AU - 0.9 AU

Year: 532 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,984,446 km

• M1: 105,766 km (0.078 R)
• M2: 371,601 km (0.031 R)
• M3: 923,019 km (0.117 R)
• M4: 1,427,912 km (0.1 R)
• M5: 2,115,613 km (0.072 R)
• M6: 3,227,873 km (0.056 R)
• M7: 3,952,675 km (0.066 R)
• M8: 4,217,014 km (0.079 R)
• M9: 4,613,299 km (0.086 R)
• M10: 5,098,595 km (0.07 R)
• M11: 5,395,696 km (0.12 R)
• M12: 5,863,339 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 13

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.82 AU - 1.06 AU

Year: 618 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,984,446 km

• M1: 161,715 km (0.109 R)
• M2: 617,241 km (0.107 R)
• M3: 1,031,178 km (0.08 R)
• M4: 1,450,501 km (0.106 R)
• M5: 1,960,480 km (0.082 R)
• M6: 2,901,002 km (0.072 R)
• M7: 3,313,144 km (0.089 R)
• M8: 4,272,366 km (0.102 R)
• M9: 6,232,846 km (0.075 R)
• M10: 7,556,787 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 8.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.83 AU - 1.27 AU

Year: 730 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,984,446 km

• M1: 106,663 km (0.096 R)
• M2: 425,307 km (0.085 R)
• M3: 737,368 km (0.092 R)
• M4: 1,015,770 km (0.093 R)
• M5: 1,855,163 km (0.093 R)
• M6: 2,759,034 km (0.077 R)
• M7: 3,745,482 km (0.052 R)
• M8: 4,239,454 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 14.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.75 AU - 2.49 AU

Year: 2094 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,984,446 km

• M1: 178,021 km (0.025 R)
• M2: 950,844 km (0.056 R)
• M3: 1,582,895 km (0.088 R)
• M4: 2,908,033 km (0.111 R)
• M5: 5,125,971 km (0.063 R)
• M6: 6,910,823 km (0.061 R)
• M7: 8,994,572 km (0.098 R)
• M8: 9,694,241 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 9.7

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.19 AU - 5.21 AU

Year: 8043 Days

Day: 7.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,984,446 km

• M1: 120,576 km (0.09 R)
• M2: 537,056 km (0.111 R)
• M3: 996,023 km (0.095 R)
• M4: 2,236,339 km (0.089 R)
• M5: 2,767,860 km (0.103 R)
• M6: 3,822,375 km (0.099 R)
• M7: 4,584,277 km (0.083 R)
• M8: 5,219,619 km (0.083 R)
• M9: 5,809,933 km (0.047 R)
• M10: 6,121,395 km (0.099 R)
• M11: 6,444,078 km (0.062 R)
• M12: 7,045,910 km (0.098 R)
• M13: 7,767,271 km (0.118 R)
• M14: 9,124,124 km (0.112 R)
• M15: 9,981,020 km (0.113 R)
• M16: 10,581,506 km (0.054 R)
• M17: 11,152,970 km (0.104 R)
• M18: 11,909,786 km (0.08 R)
• M19: 13,707,204 km (0.111 R)
• M20: 15,152,768 km (0.056 R)
• M21: 16,284,775 km (0.106 R)
• M22: 20,732,021 km (0.107 R)
• M23: 21,135,636 km (0.073 R)
• M24: 23,319,466 km (0.093 R)
• M25: 23,756,142 km (0.103 R)
• M26: 30,663,524 km (0.106 R)
• M27: 35,025,948 km (0.112 R)
• M28: 36,763,078 km (0.092 R)
• M29: 38,193,683 km (0.052 R)
• M30: 39,661,088 km (0.111 R)
• M31: 44,022,165 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.7

Radius: 7.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.45 AU - 6.27 AU

Year: 9621 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,984,446 km

• M1: 95,892 km (0.109 R)
• M2: 878,140 km (0.105 R)
• M3: 1,207,105 km (0.105 R)
• M4: 1,591,572 km (0.071 R)
• M5: 2,055,924 km (0.082 R)
• M6: 2,447,870 km (0.12 R)
• M7: 3,382,109 km (0.1 R)
• M8: 3,694,918 km (0.073 R)
• M9: 4,696,625 km (0.066 R)
• M10: 5,681,578 km (0.118 R)
• M11: 6,027,897 km (0.085 R)
• M12: 6,938,200 km (0.077 R)
• M13: 9,113,652 km (0.058 R)
• M14: 9,989,996 km (0.079 R)
• M15: 13,391,104 km (0.117 R)
• M16: 13,723,959 km (0.117 R)
• M17: 14,755,586 km (0.105 R)
• M18: 15,411,124 km (0.114 R)
• M19: 26,473,587 km (0.114 R)
• M20: 30,578,852 km (0.095 R)
• M21: 32,036,234 km (0.114 R)
• M22: 33,336,390 km (0.119 R)
• M23: 34,984,509 km (0.07 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 17,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit