🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 12.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 14.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,423,313 km

• M1: 151,692 km (0.062 R)
• M2: 611,855 km (0.118 R)
• M3: 1,079,648 km (0.114 R)
• M4: 1,648,718 km (0.092 R)
• M5: 2,297,375 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.9

Radius: 12.8

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.66 AU - 0.98 AU

Year: 495 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,423,313 km

• M1: 159,471 km (0.048 R)
• M2: 661,223 km (0.062 R)
• M3: 1,213,837 km (0.075 R)
• M4: 1,993,392 km (0.116 R)
• M5: 2,447,720 km (0.052 R)
• M6: 4,161,813 km (0.072 R)
• M7: 4,572,010 km (0.079 R)
• M8: 5,321,944 km (0.112 R)
• M9: 6,570,039 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 14.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.33 AU - 1.45 AU

Year: 1093 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,423,313 km

• M1: 180,565 km (0.1 R)
• M2: 800,648 km (0.101 R)
• M3: 1,297,163 km (0.071 R)
• M4: 1,858,155 km (0.055 R)
• M5: 2,381,149 km (0.072 R)
• M6: 2,857,020 km (0.061 R)
• M7: 3,531,108 km (0.118 R)
• M8: 5,564,592 km (0.1 R)
• M9: 6,232,696 km (0.107 R)
• M10: 7,397,764 km (0.027 R)
• M11: 7,913,279 km (0.112 R)
• M12: 9,726,704 km (0.073 R)
• M13: 10,828,791 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.3

Radius: 9.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.52 AU - 4.84 AU

Year: 5699 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,423,313 km

• M1: 115,639 km (0.1 R)
• M2: 488,886 km (0.066 R)
• M3: 1,480,121 km (0.104 R)
• M4: 1,861,596 km (0.117 R)
• M5: 2,789,551 km (0.093 R)
• M6: 3,646,897 km (0.096 R)
• M7: 4,545,083 km (0.067 R)
• M8: 6,390,971 km (0.111 R)
• M9: 14,623,042 km (0.071 R)
• M10: 15,176,704 km (0.117 R)
• M11: 17,470,488 km (0.104 R)
• M12: 25,326,471 km (0.093 R)
• M13: 27,188,216 km (0.091 R)
• M14: 27,604,697 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 8.4

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.48 AU - 4.86 AU

Year: 6730 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,423,313 km

• M1: 104,868 km (0.112 R)
• M2: 402,418 km (0.099 R)
• M3: 948,301 km (0.097 R)
• M4: 1,260,811 km (0.097 R)
• M5: 1,755,830 km (0.093 R)
• M6: 2,761,876 km (0.074 R)
• M7: 4,252,469 km (0.11 R)
• M8: 4,545,232 km (0.078 R)
• M9: 6,723,975 km (0.111 R)
• M10: 8,993,974 km (0.058 R)
• M11: 15,775,694 km (0.118 R)
• M12: 16,599,380 km (0.069 R)
• M13: 17,143,766 km (0.093 R)
• M14: 20,114,032 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 11.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.13 AU - 5.25 AU

Year: 6773 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 104.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,423,313 km

• M1: 138,079 km (0.086 R)
• M2: 541,694 km (0.047 R)
• M3: 1,143,825 km (0.108 R)
• M4: 1,571,376 km (0.073 R)
• M5: 2,203,726 km (0.08 R)
• M6: 2,676,306 km (0.096 R)
• M7: 3,234,755 km (0.119 R)
• M8: 5,794,973 km (0.106 R)
• M9: 10,278,271 km (0.062 R)
• M10: 12,056,392 km (0.108 R)
• M11: 14,595,516 km (0.079 R)
• M12: 15,015,587 km (0.115 R)
• M13: 16,891,544 km (0.075 R)
• M14: 18,246,153 km (0.088 R)
• M15: 18,733,992 km (0.118 R)
• M16: 19,355,870 km (0.119 R)
• M17: 20,314,344 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 14.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.41 AU - 5.93 AU

Year: 7839 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,423,313 km

• M1: 186,698 km (0.068 R)
• M2: 697,724 km (0.093 R)
• M3: 1,232,686 km (0.108 R)
• M4: 2,172,610 km (0.097 R)
• M5: 2,830,841 km (0.061 R)
• M6: 3,377,471 km (0.071 R)
• M7: 4,318,442 km (0.098 R)
• M8: 5,640,588 km (0.045 R)
• M9: 6,651,121 km (0.114 R)
• M10: 7,439,203 km (0.04 R)
• M11: 8,369,253 km (0.097 R)
• M12: 9,550,926 km (0.099 R)
• M13: 10,274,681 km (0.096 R)
• M14: 11,781,132 km (0.106 R)
• M15: 14,514,733 km (0.08 R)
• M16: 15,656,614 km (0.117 R)
• M17: 16,408,194 km (0.071 R)
• M18: 17,580,592 km (0.09 R)
• M19: 18,119,294 km (0.096 R)
• M20: 24,295,442 km (0.088 R)
• M21: 27,763,869 km (0.025 R)
• M22: 30,669,658 km (0.088 R)
• M23: 32,246,270 km (0.069 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 16,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit