🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 12.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.15 AU - 1.65 AU

Year: 1087 Days

Day: 12.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,946,316 km

• M1: 155,432 km (0.064 R)
• M2: 920,326 km (0.076 R)
• M3: 1,409,362 km (0.112 R)
• M4: 1,958,535 km (0.082 R)
• M5: 2,390,275 km (0.078 R)
• M6: 3,086,503 km (0.103 R)
• M7: 3,573,594 km (0.115 R)
• M8: 4,024,482 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.1

Radius: 8.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.37 AU - 2.21 AU

Year: 1571 Days

Day: 6.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,946,316 km

• M1: 110,702 km (0.11 R)
• M2: 398,529 km (0.103 R)
• M3: 708,496 km (0.053 R)
• M4: 1,207,853 km (0.095 R)
• M5: 1,524,851 km (0.054 R)
• M6: 1,907,971 km (0.099 R)
• M7: 2,216,891 km (0.067 R)
• M8: 2,534,637 km (0.117 R)
• M9: 2,882,901 km (0.075 R)
• M10: 3,233,708 km (0.106 R)
• M11: 3,660,510 km (0.116 R)
• M12: 5,562,198 km (0.079 R)
• M13: 7,461,792 km (0.099 R)
• M14: 8,347,262 km (0.068 R)
• M15: 8,859,036 km (0.079 R)
• M16: 9,181,869 km (0.078 R)
• M17: 11,597,575 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 11.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.58 AU - 2.22 AU

Year: 1718 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,946,316 km

• M1: 147,504 km (0.117 R)
• M2: 517,758 km (0.095 R)
• M3: 1,807,890 km (0.116 R)
• M4: 2,233,047 km (0.112 R)
• M5: 2,646,686 km (0.069 R)
• M6: 3,425,642 km (0.091 R)
• M7: 3,860,971 km (0.116 R)
• M8: 4,942,863 km (0.099 R)
• M9: 5,352,313 km (0.076 R)
• M10: 6,100,601 km (0.104 R)
• M11: 6,892,423 km (0.096 R)
• M12: 7,778,491 km (0.09 R)
• M13: 8,362,671 km (0.085 R)
• M14: 8,797,851 km (0.046 R)
• M15: 9,556,611 km (0.108 R)
• M16: 11,986,829 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 8.9

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.06 AU - 2.12 AU

Year: 1982 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,946,316 km

• M1: 124,615 km (0.085 R)
• M2: 413,638 km (0.03 R)
• M3: 820,844 km (0.086 R)
• M4: 1,227,451 km (0.076 R)
• M5: 1,506,899 km (0.11 R)
• M6: 1,973,645 km (0.117 R)
• M7: 2,874,673 km (0.098 R)
• M8: 3,261,533 km (0.115 R)
• M9: 3,595,884 km (0.08 R)
• M10: 4,393,091 km (0.109 R)
• M11: 4,950,942 km (0.118 R)
• M12: 5,371,312 km (0.117 R)
• M13: 6,910,973 km (0.106 R)
• M14: 8,320,783 km (0.12 R)
• M15: 10,474,544 km (0.073 R)
• M16: 10,762,968 km (0.049 R)
• M17: 11,094,028 km (0.032 R)
• M18: 12,206,887 km (0.095 R)
• M19: 13,604,430 km (0.102 R)
• M20: 14,787,899 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 14

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.38 AU - 3.24 AU

Year: 3090 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,946,316 km

• M1: 174,132 km (0.109 R)
• M2: 712,983 km (0.092 R)
• M3: 1,253,630 km (0.096 R)
• M4: 2,044,704 km (0.104 R)
• M5: 3,331,993 km (0.099 R)
• M6: 3,837,933 km (0.086 R)
• M7: 4,462,953 km (0.056 R)
• M8: 5,281,702 km (0.119 R)
• M9: 5,835,963 km (0.117 R)
• M10: 7,155,865 km (0.11 R)
• M11: 7,604,808 km (0.113 R)
• M12: 8,919,324 km (0.11 R)
• M13: 9,364,677 km (0.074 R)
• M14: 10,100,100 km (0.114 R)
• M15: 11,642,753 km (0.082 R)
• M16: 12,311,007 km (0.118 R)
• M17: 13,337,548 km (0.04 R)
• M18: 15,560,871 km (0.037 R)
• M19: 18,855,914 km (0.109 R)
• M20: 19,653,869 km (0.079 R)
• M21: 20,219,349 km (0.086 R)
• M22: 23,281,318 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 9

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.54 AU - 5.78 AU

Year: 7689 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,946,316 km

• M1: 111,899 km (0.069 R)
• M2: 621,729 km (0.098 R)
• M3: 977,472 km (0.055 R)
• M4: 1,308,383 km (0.089 R)
• M5: 1,847,534 km (0.095 R)
• M6: 2,135,360 km (0.047 R)
• M7: 2,490,655 km (0.103 R)
• M8: 3,032,947 km (0.114 R)
• M9: 4,083,573 km (0.053 R)
• M10: 4,577,246 km (0.119 R)
• M11: 7,189,823 km (0.078 R)
• M12: 8,288,320 km (0.111 R)
• M13: 11,760,487 km (0.062 R)
• M14: 13,516,317 km (0.073 R)
• M15: 14,927,324 km (0.069 R)
• M16: 16,981,004 km (0.041 R)
• M17: 17,399,280 km (0.056 R)
• M18: 19,900,257 km (0.051 R)
• M19: 20,837,487 km (0.069 R)
• M20: 21,722,209 km (0.065 R)
• M21: 22,215,134 km (0.111 R)
• M22: 24,882,015 km (0.065 R)
• M23: 25,512,570 km (0.095 R)
• M24: 28,238,543 km (0.115 R)
• M25: 29,023,483 km (0.097 R)
• M26: 30,945,816 km (0.045 R)
• M27: 31,885,290 km (0.047 R)
• M28: 34,706,407 km (0.112 R)
• M29: 39,852,574 km (0.117 R)
• M30: 40,591,587 km (0.092 R)
• M31: 40,964,535 km (0.119 R)
• M32: 43,120,838 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.8

Radius: 4.7

Gravity: 43.54 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.75 AU - 7.15 AU

Year: 9521 Days

Day: 20.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 51,946,316 km

• M1: 58,792 km (0.079 R)
• M2: 279,000 km (0.107 R)
• M3: 525,388 km (0.063 R)
• M4: 1,046,138 km (0.068 R)
• M5: 1,272,330 km (0.08 R)
• M6: 1,431,652 km (0.03 R)
• M7: 2,340,907 km (0.103 R)
• M8: 2,602,405 km (0.047 R)
• M9: 2,794,787 km (0.076 R)
• M10: 3,634,630 km (0.097 R)
• M11: 4,478,511 km (0.12 R)
• M12: 4,661,769 km (0.112 R)
• M13: 5,654,500 km (0.097 R)
• M14: 7,104,702 km (0.06 R)
• M15: 7,396,418 km (0.106 R)
• M16: 8,365,812 km (0.107 R)
• M17: 8,597,390 km (0.066 R)
• M18: 8,976,919 km (0.057 R)
• M19: 10,715,097 km (0.119 R)
• M20: 12,010,615 km (0.052 R)
• M21: 16,517,998 km (0.105 R)
• M22: 19,913,721 km (0.114 R)
• M23: 20,160,856 km (0.095 R)
• M24: 21,170,043 km (0.097 R)
• M25: 22,124,179 km (0.049 R)
• M26: 23,379,754 km (0.101 R)
• M27: 23,654,864 km (0.062 R)
• M28: 24,118,019 km (0.108 R)
• M29: 24,398,964 km (0.088 R)
• M30: 25,062,730 km (0.101 R)
• M31: 27,736,044 km (0.109 R)
• M32: 32,717,802 km (0.086 R)
• M33: 33,177,367 km (0.076 R)
• M34: 36,024,813 km (0.08 R)
• M35: 36,637,715 km (0.111 R)
• M36: 37,008,868 km (0.071 R)
• M37: 42,607,867 km (0.071 R)
• M38: 44,686,380 km (0.111 R)
• M39: 46,831,613 km (0.081 R)
• M40: 51,946,365 km (0.043 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 19,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit