🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.8

Radius: 14.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.74 AU - 0.8 AU

Year: 451 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 168.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,678,822 km

• M1: 184,454 km (0.066 R)
• M2: 663,616 km (0.118 R)
• M3: 1,482,964 km (0.08 R)
• M4: 2,077,017 km (0.112 R)
• M5: 2,635,316 km (0.061 R)
• M6: 3,099,817 km (0.093 R)
• M7: 3,809,809 km (0.118 R)
• M8: 4,509,329 km (0.109 R)
• M9: 5,148,710 km (0.08 R)
• M10: 6,006,205 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 9.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.73 AU - 0.97 AU

Year: 523 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,678,822 km

• M1: 119,529 km (0.084 R)
• M2: 487,240 km (0.057 R)
• M3: 834,457 km (0.053 R)
• M4: 1,283,101 km (0.11 R)
• M5: 1,961,826 km (0.114 R)
• M6: 2,331,034 km (0.045 R)
• M7: 2,673,912 km (0.074 R)
• M8: 3,005,870 km (0.117 R)
• M9: 3,389,439 km (0.076 R)
• M10: 4,157,325 km (0.112 R)
• M11: 4,486,440 km (0.089 R)
• M12: 4,848,617 km (0.095 R)
• M13: 5,546,341 km (0.065 R)
• M14: 6,199,037 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.5

Radius: 14.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.12 AU - 1.7 AU

Year: 1116 Days

Day: 11.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,678,822 km

• M1: 180,415 km (0.068 R)
• M2: 674,238 km (0.061 R)
• M3: 1,580,352 km (0.09 R)
• M4: 2,125,038 km (0.1 R)
• M5: 2,964,132 km (0.056 R)
• M6: 3,758,647 km (0.109 R)
• M7: 4,564,829 km (0.086 R)
• M8: 6,053,179 km (0.095 R)
• M9: 6,731,904 km (0.062 R)
• M10: 7,511,459 km (0.03 R)
• M11: 8,002,289 km (0.12 R)
• M12: 8,514,662 km (0.095 R)
• M13: 9,020,153 km (0.094 R)
• M14: 10,030,088 km (0.104 R)
• M15: 10,530,793 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 10.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.34 AU - 3.58 AU

Year: 3396 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,678,822 km

• M1: 128,056 km (0.111 R)
• M2: 575,054 km (0.091 R)
• M3: 988,393 km (0.102 R)
• M4: 2,314,429 km (0.032 R)
• M5: 3,486,827 km (0.049 R)
• M6: 4,684,657 km (0.061 R)
• M7: 5,224,556 km (0.104 R)
• M8: 6,034,329 km (0.111 R)
• M9: 6,757,336 km (0.117 R)
• M10: 7,329,398 km (0.113 R)
• M11: 7,871,541 km (0.036 R)
• M12: 8,635,687 km (0.119 R)
• M13: 10,311,931 km (0.059 R)
• M14: 10,800,966 km (0.091 R)
• M15: 11,187,527 km (0.118 R)
• M16: 11,906,943 km (0.095 R)
• M17: 12,319,684 km (0.098 R)
• M18: 13,217,570 km (0.039 R)
• M19: 14,905,184 km (0.101 R)
• M20: 15,530,802 km (0.109 R)
• M21: 16,783,086 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.8

Radius: 13.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.98 AU - 4.3 AU

Year: 4631 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,678,822 km

• M1: 162,912 km (0.107 R)
• M2: 639,830 km (0.092 R)
• M3: 1,074,412 km (0.098 R)
• M4: 1,498,971 km (0.107 R)
• M5: 2,023,910 km (0.086 R)
• M6: 2,688,423 km (0.109 R)
• M7: 4,867,316 km (0.061 R)
• M8: 5,331,070 km (0.099 R)
• M9: 5,764,754 km (0.08 R)
• M10: 6,222,075 km (0.088 R)
• M11: 9,413,296 km (0.045 R)
• M12: 13,564,787 km (0.036 R)
• M13: 14,267,299 km (0.068 R)
• M14: 14,711,455 km (0.101 R)
• M15: 17,072,707 km (0.077 R)
• M16: 18,803,106 km (0.051 R)
• M17: 20,019,935 km (0.052 R)
• M18: 20,507,026 km (0.043 R)
• M19: 22,685,021 km (0.099 R)
• M20: 25,741,455 km (0.066 R)
• M21: 26,818,709 km (0.045 R)
• M22: 28,012,052 km (0.072 R)
• M23: 28,885,853 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 14.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.5 AU - 6.62 AU

Year: 8743 Days

Day: 10.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,678,822 km

• M1: 179,069 km (0.12 R)
• M2: 706,700 km (0.056 R)
• M3: 1,277,267 km (0.088 R)
• M4: 1,835,715 km (0.096 R)
• M5: 2,369,481 km (0.115 R)
• M6: 5,838,655 km (0.087 R)
• M7: 6,297,322 km (0.091 R)
• M8: 8,335,743 km (0.054 R)
• M9: 11,046,157 km (0.119 R)
• M10: 11,585,757 km (0.074 R)
• M11: 13,432,243 km (0.077 R)
• M12: 18,143,679 km (0.039 R)
• M13: 21,279,549 km (0.093 R)
• M14: 22,032,176 km (0.113 R)
• M15: 23,501,975 km (0.077 R)
• M16: 27,217,238 km (0.087 R)
• M17: 28,404,148 km (0.112 R)
• M18: 31,522,067 km (0.064 R)
• M19: 35,790,692 km (0.102 R)
• M20: 46,425,306 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 11.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.81 AU - 6.51 AU

Year: 8980 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,678,822 km

• M1: 145,559 km (0.07 R)
• M2: 794,365 km (0.094 R)
• M3: 1,316,760 km (0.098 R)
• M4: 2,013,737 km (0.102 R)
• M5: 4,194,575 km (0.073 R)
• M6: 7,925,097 km (0.092 R)
• M7: 9,613,010 km (0.093 R)
• M8: 11,256,193 km (0.038 R)
• M9: 11,806,114 km (0.068 R)
• M10: 13,998,322 km (0.071 R)
• M11: 17,961,319 km (0.094 R)
• M12: 18,409,664 km (0.066 R)
• M13: 25,313,157 km (0.112 R)
• M14: 27,422,786 km (0.097 R)
• M15: 29,440,113 km (0.097 R)
• M16: 30,590,820 km (0.074 R)
• M17: 32,870,542 km (0.066 R)
• M18: 34,913,001 km (0.062 R)
• M19: 38,256,065 km (0.066 R)
• M20: 45,710,228 km (0.11 R)
• M21: 46,406,905 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 12,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit