🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 11.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.7 AU - 1.06 AU

Year: 550 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,748,957 km

• M1: 147,952 km (0.096 R)
• M2: 522,994 km (0.077 R)
• M3: 1,289,085 km (0.12 R)
• M4: 1,685,519 km (0.106 R)
• M5: 2,210,009 km (0.113 R)
• M6: 2,660,149 km (0.078 R)
• M7: 3,147,988 km (0.083 R)
• M8: 4,118,280 km (0.08 R)
• M9: 4,573,805 km (0.057 R)
• M10: 4,965,453 km (0.08 R)
• M11: 6,016,677 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 11.5

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.31 AU - 1.65 AU

Year: 1201 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,748,957 km

• M1: 143,016 km (0.072 R)
• M2: 543,339 km (0.105 R)
• M3: 1,016,518 km (0.055 R)
• M4: 1,647,073 km (0.077 R)
• M5: 2,068,191 km (0.109 R)
• M6: 2,430,965 km (0.102 R)
• M7: 2,902,199 km (0.115 R)
• M8: 3,553,997 km (0.106 R)
• M9: 3,980,500 km (0.105 R)
• M10: 4,405,956 km (0.119 R)
• M11: 4,824,083 km (0.101 R)
• M12: 5,189,401 km (0.075 R)
• M13: 6,444,078 km (0.064 R)
• M14: 9,132,651 km (0.049 R)
• M15: 9,574,264 km (0.095 R)
• M16: 11,150,128 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 12.9

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.66 AU - 4.02 AU

Year: 4071 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,748,957 km

• M1: 160,369 km (0.065 R)
• M2: 577,149 km (0.116 R)
• M3: 1,245,103 km (0.108 R)
• M4: 1,803,103 km (0.089 R)
• M5: 3,255,698 km (0.101 R)
• M6: 4,076,692 km (0.034 R)
• M7: 4,875,544 km (0.11 R)
• M8: 6,436,299 km (0.116 R)
• M9: 7,694,716 km (0.059 R)
• M10: 9,110,959 km (0.096 R)
• M11: 9,756,773 km (0.069 R)
• M12: 11,005,167 km (0.116 R)
• M13: 11,831,995 km (0.093 R)
• M14: 13,454,832 km (0.077 R)
• M15: 14,293,179 km (0.114 R)
• M16: 15,615,624 km (0.11 R)
• M17: 17,503,699 km (0.114 R)
• M18: 20,207,082 km (0.067 R)
• M19: 20,683,252 km (0.115 R)
• M20: 22,300,854 km (0.068 R)
• M21: 23,177,647 km (0.073 R)
• M22: 25,156,079 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 10

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.7 AU - 4.04 AU

Year: 5077 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,748,957 km

• M1: 124,914 km (0.112 R)
• M2: 438,322 km (0.094 R)
• M3: 868,565 km (0.096 R)
• M4: 1,754,035 km (0.115 R)
• M5: 2,148,225 km (0.096 R)
• M6: 2,742,129 km (0.1 R)
• M7: 9,876,751 km (0.118 R)
• M8: 10,809,942 km (0.101 R)
• M9: 13,692,095 km (0.079 R)
• M10: 14,181,130 km (0.107 R)
• M11: 15,079,316 km (0.038 R)
• M12: 15,483,978 km (0.108 R)
• M13: 17,808,879 km (0.115 R)
• M14: 18,787,398 km (0.118 R)
• M15: 24,940,807 km (0.056 R)
• M16: 28,645,000 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 9.9

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.06 AU - 4.18 AU

Year: 5577 Days

Day: 10.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,748,957 km

• M1: 123,269 km (0.049 R)
• M2: 471,832 km (0.102 R)
• M3: 861,085 km (0.108 R)
• M4: 1,443,470 km (0.103 R)
• M5: 2,072,678 km (0.097 R)
• M6: 2,417,950 km (0.075 R)
• M7: 3,105,951 km (0.084 R)
• M8: 3,453,766 km (0.09 R)
• M9: 4,277,302 km (0.068 R)
• M10: 4,605,071 km (0.098 R)
• M11: 5,004,198 km (0.091 R)
• M12: 6,278,323 km (0.104 R)
• M13: 9,539,407 km (0.107 R)
• M14: 9,882,884 km (0.101 R)
• M15: 10,323,749 km (0.057 R)
• M16: 11,103,453 km (0.037 R)
• M17: 12,472,423 km (0.119 R)
• M18: 13,144,866 km (0.084 R)
• M19: 13,463,360 km (0.084 R)
• M20: 14,060,554 km (0.087 R)
• M21: 14,732,249 km (0.099 R)
• M22: 15,425,036 km (0.077 R)
• M23: 17,000,452 km (0.118 R)
• M24: 19,837,276 km (0.078 R)
• M25: 22,292,925 km (0.062 R)
• M26: 23,749,859 km (0.044 R)
• M27: 25,269,474 km (0.098 R)
• M28: 27,108,780 km (0.114 R)
• M29: 28,589,948 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 10

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.27 AU - 6.51 AU

Year: 8345 Days

Day: 11.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,748,957 km

• M1: 129,402 km (0.037 R)
• M2: 611,107 km (0.103 R)
• M3: 929,302 km (0.118 R)
• M4: 1,278,164 km (0.093 R)
• M5: 1,652,757 km (0.114 R)
• M6: 2,345,994 km (0.113 R)
• M7: 2,697,848 km (0.115 R)
• M8: 3,282,476 km (0.105 R)
• M9: 4,279,247 km (0.101 R)
• M10: 5,523,752 km (0.037 R)
• M11: 6,183,030 km (0.101 R)
• M12: 7,694,267 km (0.101 R)
• M13: 13,742,509 km (0.099 R)
• M14: 16,957,517 km (0.097 R)
• M15: 18,805,051 km (0.094 R)
• M16: 29,105,911 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.2

Radius: 7.5

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.69 AU - 9.71 AU

Year: 17112 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,748,957 km

• M1: 96,640 km (0.118 R)
• M2: 941,719 km (0.107 R)
• M3: 1,644,380 km (0.114 R)
• M4: 2,609,436 km (0.111 R)
• M5: 2,870,334 km (0.091 R)
• M6: 4,447,844 km (0.052 R)
• M7: 4,892,000 km (0.088 R)
• M8: 5,143,324 km (0.11 R)
• M9: 5,479,022 km (0.111 R)
• M10: 5,750,243 km (0.092 R)
• M11: 6,488,957 km (0.116 R)
• M12: 7,522,978 km (0.073 R)
• M13: 8,819,692 km (0.102 R)
• M14: 10,434,601 km (0.048 R)
• M15: 11,912,778 km (0.108 R)
• M16: 13,178,226 km (0.095 R)
• M17: 14,166,170 km (0.077 R)
• M18: 16,130,839 km (0.118 R)
• M19: 16,448,286 km (0.096 R)
• M20: 17,509,384 km (0.037 R)
• M21: 17,760,558 km (0.087 R)
• M22: 18,442,126 km (0.113 R)
• M23: 23,002,917 km (0.1 R)
• M24: 23,506,762 km (0.059 R)
• M25: 26,137,142 km (0.066 R)
• M26: 28,148,186 km (0.062 R)
• M27: 30,987,105 km (0.101 R)
• M28: 32,475,753 km (0.102 R)
• M29: 33,623,019 km (0.101 R)
• M30: 39,193,296 km (0.069 R)
• M31: 41,080,174 km (0.074 R)
• M32: 43,331,771 km (0.088 R)
• M33: 46,460,012 km (0.087 R)
• M34: 54,219,803 km (0.091 R)
• M35: 58,966,245 km (0.117 R)
• M36: 69,694,357 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 16,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit