🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 9.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 7.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,355,737 km

• M1: 123,119 km (0.088 R)
• M2: 493,823 km (0.063 R)
• M3: 807,230 km (0.119 R)
• M4: 1,435,392 km (0.118 R)
• M5: 2,057,719 km (0.11 R)
• M6: 2,440,390 km (0.073 R)
• M7: 2,909,230 km (0.103 R)
• M8: 3,836,288 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 12.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.74 AU - 1.1 AU

Year: 599 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,355,737 km

• M1: 155,432 km (0.099 R)
• M2: 580,290 km (0.108 R)
• M3: 1,139,487 km (0.065 R)
• M4: 1,634,058 km (0.095 R)
• M5: 2,050,837 km (0.069 R)
• M6: 2,643,993 km (0.102 R)
• M7: 3,093,534 km (0.049 R)
• M8: 3,754,607 km (0.112 R)
• M9: 4,601,182 km (0.107 R)
• M10: 5,273,475 km (0.1 R)
• M11: 5,954,294 km (0.045 R)
• M12: 6,532,490 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 10.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.27 AU - 2.09 AU

Year: 1477 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,355,737 km

• M1: 135,685 km (0.077 R)
• M2: 582,983 km (0.034 R)
• M3: 1,213,837 km (0.062 R)
• M4: 1,611,917 km (0.082 R)
• M5: 2,220,631 km (0.12 R)
• M6: 3,729,475 km (0.105 R)
• M7: 4,086,565 km (0.116 R)
• M8: 4,780,400 km (0.06 R)
• M9: 6,380,648 km (0.047 R)
• M10: 8,601,279 km (0.026 R)
• M11: 9,482,111 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 15

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.42 AU - 4.54 AU

Year: 5385 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,355,737 km

• M1: 186,848 km (0.056 R)
• M2: 1,482,515 km (0.096 R)
• M3: 2,051,286 km (0.116 R)
• M4: 2,576,823 km (0.097 R)
• M5: 3,096,377 km (0.066 R)
• M6: 3,600,522 km (0.119 R)
• M7: 4,206,991 km (0.037 R)
• M8: 5,862,441 km (0.116 R)
• M9: 6,706,323 km (0.09 R)
• M10: 9,479,867 km (0.11 R)
• M11: 10,509,998 km (0.092 R)
• M12: 13,517,215 km (0.048 R)
• M13: 14,214,042 km (0.038 R)
• M14: 16,150,287 km (0.073 R)
• M15: 16,751,820 km (0.118 R)
• M16: 22,859,751 km (0.081 R)
• M17: 25,027,574 km (0.108 R)
• M18: 25,752,525 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.29 AU - 6.73 AU

Year: 8772 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,355,737 km

• M1: 112,198 km (0.076 R)
• M2: 404,064 km (0.085 R)
• M3: 968,497 km (0.092 R)
• M4: 1,759,271 km (0.09 R)
• M5: 3,701,201 km (0.06 R)
• M6: 4,123,516 km (0.107 R)
• M7: 6,113,018 km (0.057 R)
• M8: 6,964,678 km (0.083 R)
• M9: 7,715,211 km (0.088 R)
• M10: 9,994,634 km (0.056 R)
• M11: 11,083,706 km (0.108 R)
• M12: 15,045,207 km (0.104 R)
• M13: 16,531,761 km (0.114 R)
• M14: 17,249,831 km (0.11 R)
• M15: 18,684,176 km (0.108 R)
• M16: 22,944,573 km (0.101 R)
• M17: 23,612,378 km (0.09 R)
• M18: 24,446,237 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.2

Radius: 6.3

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.6 AU - 7.14 AU

Year: 12213 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,355,737 km

• M1: 79,436 km (0.1 R)
• M2: 388,954 km (0.064 R)
• M3: 1,177,335 km (0.105 R)
• M4: 2,807,503 km (0.046 R)
• M5: 3,486,977 km (0.032 R)
• M6: 6,399,348 km (0.063 R)
• M7: 7,691,425 km (0.083 R)
• M8: 10,266,752 km (0.077 R)
• M9: 11,364,950 km (0.064 R)
• M10: 12,539,294 km (0.106 R)
• M11: 15,927,087 km (0.102 R)
• M12: 16,268,619 km (0.115 R)
• M13: 19,179,345 km (0.07 R)
• M14: 19,488,264 km (0.112 R)
• M15: 22,762,363 km (0.112 R)
• M16: 26,385,474 km (0.112 R)
• M17: 30,062,889 km (0.03 R)
• M18: 33,062,775 km (0.06 R)
• M19: 34,293,965 km (0.096 R)
• M20: 34,749,192 km (0.09 R)
• M21: 36,256,390 km (0.12 R)
• M22: 41,680,809 km (0.049 R)
• M23: 42,721,861 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.9

Radius: 7.3

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.55 AU - 10.81 AU

Year: 18865 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,355,737 km

• M1: 90,806 km (0.118 R)
• M2: 1,015,770 km (0.094 R)
• M3: 1,666,071 km (0.097 R)
• M4: 1,942,528 km (0.058 R)
• M5: 3,161,302 km (0.046 R)
• M6: 4,926,108 km (0.098 R)
• M7: 5,316,110 km (0.101 R)
• M8: 8,151,438 km (0.102 R)
• M9: 8,596,342 km (0.09 R)
• M10: 9,588,924 km (0.079 R)
• M11: 10,949,218 km (0.114 R)
• M12: 11,675,665 km (0.11 R)
• M13: 14,400,590 km (0.049 R)
• M14: 15,720,642 km (0.105 R)
• M15: 23,946,879 km (0.095 R)
• M16: 24,349,447 km (0.119 R)
• M17: 25,479,958 km (0.099 R)
• M18: 27,186,271 km (0.088 R)
• M19: 32,146,937 km (0.119 R)
• M20: 37,139,317 km (0.082 R)
• M21: 37,543,530 km (0.04 R)
• M22: 47,352,513 km (0.081 R)
• M23: 58,194,619 km (0.058 R)
• M24: 60,210,749 km (0.087 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: 163 - 17,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit