🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 11.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.83 AU - 1.35 AU

Year: 800 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,681,268 km

• M1: 150,196 km (0.113 R)
• M2: 883,974 km (0.054 R)
• M3: 1,789,939 km (0.111 R)
• M4: 2,289,595 km (0.077 R)
• M5: 2,925,386 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 11

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.56 AU - 2.02 AU

Year: 1683 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,681,268 km

• M1: 140,323 km (0.117 R)
• M2: 490,831 km (0.116 R)
• M3: 855,849 km (0.112 R)
• M4: 1,343,987 km (0.084 R)
• M5: 1,728,454 km (0.095 R)
• M6: 2,271,045 km (0.07 R)
• M7: 2,767,860 km (0.053 R)
• M8: 3,164,145 km (0.052 R)
• M9: 3,683,100 km (0.032 R)
• M10: 4,183,056 km (0.093 R)
• M11: 5,385,823 km (0.12 R)
• M12: 6,498,681 km (0.102 R)
• M13: 8,860,233 km (0.12 R)
• M14: 10,615,615 km (0.092 R)
• M15: 12,240,247 km (0.083 R)
• M16: 13,397,985 km (0.12 R)
• M17: 14,067,137 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 12.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.74 AU - 3.92 AU

Year: 4271 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,681,268 km

• M1: 175,777 km (0.111 R)
• M2: 1,160,431 km (0.075 R)
• M3: 1,703,770 km (0.105 R)
• M4: 2,157,500 km (0.061 R)
• M5: 2,889,333 km (0.085 R)
• M6: 3,362,063 km (0.116 R)
• M7: 4,012,065 km (0.118 R)
• M8: 5,273,624 km (0.07 R)
• M9: 5,794,973 km (0.099 R)
• M10: 6,706,173 km (0.111 R)
• M11: 8,086,214 km (0.088 R)
• M12: 8,565,525 km (0.101 R)
• M13: 9,127,564 km (0.055 R)
• M14: 12,551,112 km (0.095 R)
• M15: 13,072,460 km (0.098 R)
• M16: 14,116,055 km (0.037 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.1

Radius: 7.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.7 AU - 6.4 AU

Year: 9191 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,681,268 km

• M1: 107,561 km (0.083 R)
• M2: 506,987 km (0.101 R)
• M3: 922,570 km (0.113 R)
• M4: 2,227,961 km (0.119 R)
• M5: 3,129,438 km (0.116 R)
• M6: 3,440,153 km (0.095 R)
• M7: 7,161,998 km (0.036 R)
• M8: 8,566,273 km (0.113 R)
• M9: 13,576,306 km (0.091 R)
• M10: 14,770,546 km (0.036 R)
• M11: 17,161,868 km (0.035 R)
• M12: 19,134,764 km (0.093 R)
• M13: 21,807,480 km (0.096 R)
• M14: 22,127,919 km (0.118 R)
• M15: 24,373,981 km (0.064 R)
• M16: 27,880,256 km (0.043 R)
• M17: 32,849,000 km (0.032 R)
• M18: 33,270,267 km (0.063 R)
• M19: 35,652,015 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.5

Radius: 6.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.3 AU - 6.5 AU

Year: 10074 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,681,268 km

• M1: 87,365 km (0.068 R)
• M2: 327,619 km (0.119 R)
• M3: 544,387 km (0.118 R)
• M4: 820,844 km (0.115 R)
• M5: 1,223,262 km (0.052 R)
• M6: 1,508,395 km (0.092 R)
• M7: 1,852,470 km (0.099 R)
• M8: 2,230,953 km (0.069 R)
• M9: 3,037,585 km (0.101 R)
• M10: 6,827,198 km (0.109 R)
• M11: 7,344,657 km (0.055 R)
• M12: 8,088,158 km (0.116 R)
• M13: 8,457,516 km (0.081 R)
• M14: 8,924,111 km (0.081 R)
• M15: 9,141,776 km (0.044 R)
• M16: 10,095,014 km (0.059 R)
• M17: 10,963,579 km (0.108 R)
• M18: 12,520,295 km (0.084 R)
• M19: 14,337,310 km (0.058 R)
• M20: 14,576,069 km (0.1 R)
• M21: 16,518,298 km (0.117 R)
• M22: 17,246,989 km (0.083 R)
• M23: 18,768,549 km (0.084 R)
• M24: 20,679,512 km (0.109 R)
• M25: 21,292,714 km (0.101 R)
• M26: 21,525,787 km (0.063 R)
• M27: 21,917,883 km (0.045 R)
• M28: 26,105,876 km (0.086 R)
• M29: 29,817,848 km (0.11 R)
• M30: 35,693,603 km (0.062 R)
• M31: 36,132,823 km (0.053 R)
• M32: 36,464,481 km (0.084 R)
• M33: 37,021,883 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.9

Radius: 7.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.12 AU - 8.28 AU

Year: 15019 Days

Day: 18.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,681,268 km

• M1: 94,546 km (0.112 R)
• M2: 443,857 km (0.06 R)
• M3: 688,898 km (0.099 R)
• M4: 1,017,714 km (0.114 R)
• M5: 1,746,406 km (0.109 R)
• M6: 2,560,218 km (0.062 R)
• M7: 3,506,724 km (0.101 R)
• M8: 3,939,062 km (0.055 R)
• M9: 5,754,731 km (0.079 R)
• M10: 6,211,603 km (0.09 R)
• M11: 8,284,431 km (0.113 R)
• M12: 8,913,041 km (0.107 R)
• M13: 13,491,035 km (0.116 R)
• M14: 13,859,196 km (0.067 R)
• M15: 15,200,640 km (0.102 R)
• M16: 18,213,840 km (0.108 R)
• M17: 18,512,886 km (0.034 R)
• M18: 19,978,496 km (0.096 R)
• M19: 21,938,378 km (0.077 R)
• M20: 22,362,189 km (0.082 R)
• M21: 22,705,217 km (0.079 R)
• M22: 23,578,120 km (0.031 R)
• M23: 27,686,228 km (0.027 R)
• M24: 30,220,715 km (0.116 R)
• M25: 30,534,870 km (0.087 R)
• M26: 37,165,497 km (0.1 R)
• M27: 42,824,036 km (0.095 R)
• M28: 44,695,206 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.7

Radius: 5.7

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.74 AU - 9.38 AU

Year: 16085 Days

Day: 16 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,681,268 km

• M1: 70,909 km (0.061 R)
• M2: 256,112 km (0.112 R)
• M3: 486,043 km (0.098 R)
• M4: 733,329 km (0.064 R)
• M5: 1,487,751 km (0.105 R)
• M6: 1,941,481 km (0.104 R)
• M7: 2,159,445 km (0.093 R)
• M8: 2,415,706 km (0.048 R)
• M9: 2,716,249 km (0.118 R)
• M10: 3,952,675 km (0.118 R)
• M11: 5,294,119 km (0.064 R)
• M12: 5,485,604 km (0.098 R)
• M13: 6,733,999 km (0.04 R)
• M14: 8,468,735 km (0.038 R)
• M15: 12,928,846 km (0.087 R)
• M16: 13,206,949 km (0.115 R)
• M17: 14,359,002 km (0.072 R)
• M18: 15,891,333 km (0.095 R)
• M19: 17,784,644 km (0.107 R)
• M20: 24,357,825 km (0.112 R)
• M21: 26,194,886 km (0.103 R)
• M22: 29,658,376 km (0.087 R)
• M23: 30,142,026 km (0.107 R)
• M24: 32,002,874 km (0.089 R)
• M25: 36,639,959 km (0.096 R)
• M26: 39,045,792 km (0.1 R)
• M27: 44,012,442 km (0.077 R)
• M28: 44,641,650 km (0.066 R)
• M29: 50,063,526 km (0.105 R)
• M30: 51,267,340 km (0.096 R)
• M31: 60,240,071 km (0.095 R)
• M32: 64,386,026 km (0.061 R)
• M33: 70,847,607 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 15,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit