🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24

Radius: 9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.68 AU - 1 AU

Year: 513 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,670,990 km

• M1: 112,049 km (0.051 R)
• M2: 683,961 km (0.118 R)
• M3: 1,024,596 km (0.112 R)
• M4: 1,560,455 km (0.05 R)
• M5: 1,918,443 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.7

Radius: 14.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.83 AU - 0.93 AU

Year: 550 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,670,990 km

• M1: 179,069 km (0.04 R)
• M2: 717,771 km (0.081 R)
• M3: 1,344,735 km (0.106 R)
• M4: 2,286,454 km (0.097 R)
• M5: 3,449,577 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 12.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.72 AU - 2.12 AU

Year: 1774 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,670,990 km

• M1: 157,975 km (0.088 R)
• M2: 601,982 km (0.052 R)
• M3: 1,219,821 km (0.101 R)
• M4: 2,078,962 km (0.033 R)
• M5: 2,649,677 km (0.113 R)
• M6: 3,443,893 km (0.077 R)
• M7: 4,955,729 km (0.095 R)
• M8: 5,653,902 km (0.095 R)
• M9: 6,185,423 km (0.091 R)
• M10: 7,045,162 km (0.113 R)
• M11: 7,956,064 km (0.118 R)
• M12: 8,482,498 km (0.111 R)
• M13: 9,002,650 km (0.114 R)
• M14: 9,791,629 km (0.068 R)
• M15: 10,267,351 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 8.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.97 AU - 2.33 AU

Year: 2102 Days

Day: 6.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,670,990 km

• M1: 104,868 km (0.054 R)
• M2: 406,757 km (0.102 R)
• M3: 853,605 km (0.045 R)
• M4: 1,128,118 km (0.03 R)
• M5: 1,644,679 km (0.093 R)
• M6: 1,957,787 km (0.079 R)
• M7: 2,263,117 km (0.108 R)
• M8: 3,600,073 km (0.115 R)
• M9: 4,717,569 km (0.042 R)
• M10: 5,752,487 km (0.099 R)
• M11: 7,060,571 km (0.082 R)
• M12: 8,704,950 km (0.072 R)
• M13: 9,160,626 km (0.088 R)
• M14: 9,568,429 km (0.078 R)
• M15: 12,124,608 km (0.027 R)
• M16: 12,539,892 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 12

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.15 AU - 2.35 AU

Year: 2251 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,670,990 km

• M1: 149,299 km (0.097 R)
• M2: 836,102 km (0.058 R)
• M3: 2,095,717 km (0.089 R)
• M4: 2,509,654 km (0.117 R)
• M5: 3,451,821 km (0.11 R)
• M6: 3,897,473 km (0.095 R)
• M7: 4,529,973 km (0.109 R)
• M8: 4,973,680 km (0.118 R)
• M9: 5,643,729 km (0.11 R)
• M10: 6,319,014 km (0.082 R)
• M11: 6,989,362 km (0.119 R)
• M12: 7,553,346 km (0.099 R)
• M13: 8,115,535 km (0.105 R)
• M14: 10,725,270 km (0.118 R)
• M15: 12,094,389 km (0.091 R)
• M16: 13,217,570 km (0.116 R)
• M17: 14,551,086 km (0.09 R)
• M18: 15,324,207 km (0.083 R)
• M19: 16,586,664 km (0.111 R)
• M20: 17,376,840 km (0.074 R)
• M21: 18,805,649 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.5

Radius: 8.3

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.39 AU - 3.17 AU

Year: 3091 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,670,990 km

• M1: 104,419 km (0.098 R)
• M2: 504,145 km (0.112 R)
• M3: 985,551 km (0.119 R)
• M4: 1,497,475 km (0.061 R)
• M5: 1,796,820 km (0.101 R)
• M6: 2,578,768 km (0.067 R)
• M7: 3,238,794 km (0.119 R)
• M8: 3,844,216 km (0.113 R)
• M9: 4,174,080 km (0.036 R)
• M10: 4,590,411 km (0.099 R)
• M11: 5,180,125 km (0.105 R)
• M12: 5,713,591 km (0.062 R)
• M13: 6,771,697 km (0.117 R)
• M14: 8,153,982 km (0.041 R)
• M15: 8,527,079 km (0.101 R)
• M16: 8,805,480 km (0.113 R)
• M17: 11,634,974 km (0.051 R)
• M18: 12,195,667 km (0.118 R)
• M19: 13,699,874 km (0.109 R)
• M20: 14,818,866 km (0.12 R)
• M21: 15,788,260 km (0.091 R)
• M22: 17,683,665 km (0.102 R)
• M23: 18,540,711 km (0.108 R)
• M24: 19,305,605 km (0.099 R)
• M25: 20,091,293 km (0.096 R)
• M26: 20,585,265 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 9.3

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.32 AU - 3.4 AU

Year: 3225 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,670,990 km

• M1: 115,789 km (0.113 R)
• M2: 445,951 km (0.114 R)
• M3: 768,634 km (0.1 R)
• M4: 1,262,307 km (0.103 R)
• M5: 1,571,825 km (0.066 R)
• M6: 2,047,247 km (0.107 R)
• M7: 3,040,427 km (0.105 R)
• M8: 3,586,459 km (0.097 R)
• M9: 4,304,529 km (0.062 R)
• M10: 4,993,727 km (0.12 R)
• M11: 5,518,665 km (0.076 R)
• M12: 6,079,807 km (0.11 R)
• M13: 6,947,176 km (0.068 R)
• M14: 7,861,817 km (0.11 R)
• M15: 8,926,056 km (0.116 R)
• M16: 10,678,446 km (0.095 R)
• M17: 14,106,331 km (0.107 R)
• M18: 14,499,923 km (0.038 R)
• M19: 15,155,162 km (0.119 R)
• M20: 17,351,558 km (0.069 R)
• M21: 20,872,643 km (0.073 R)
• M22: 21,384,118 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.6

Radius: 9.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.79 AU - 3.77 AU

Year: 3961 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,670,990 km

• M1: 118,332 km (0.081 R)
• M2: 489,933 km (0.058 R)
• M3: 899,831 km (0.105 R)
• M4: 1,501,663 km (0.037 R)
• M5: 1,822,551 km (0.068 R)
• M6: 2,204,175 km (0.078 R)
• M7: 3,092,936 km (0.103 R)
• M8: 3,598,427 km (0.117 R)
• M9: 4,272,515 km (0.03 R)
• M10: 5,263,751 km (0.106 R)
• M11: 8,925,907 km (0.078 R)
• M12: 10,033,978 km (0.108 R)
• M13: 10,621,150 km (0.117 R)
• M14: 11,409,680 km (0.095 R)
• M15: 11,772,455 km (0.057 R)
• M16: 12,189,683 km (0.104 R)
• M17: 13,400,828 km (0.111 R)
• M18: 13,855,904 km (0.045 R)
• M19: 15,337,970 km (0.096 R)
• M20: 16,174,073 km (0.064 R)
• M21: 16,690,036 km (0.088 R)
• M22: 17,514,620 km (0.06 R)
• M23: 17,876,198 km (0.114 R)
• M24: 19,565,307 km (0.101 R)
• M25: 21,495,419 km (0.1 R)
• M26: 22,259,565 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 15

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.75 AU - 4.07 AU

Year: 5156 Days

Day: 12.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,670,990 km

• M1: 245,939 km (0.11 R)
• M2: 762,201 km (0.112 R)
• M3: 1,239,269 km (0.094 R)
• M4: 1,926,521 km (0.059 R)
• M5: 2,877,665 km (0.113 R)
• M6: 3,345,607 km (0.11 R)
• M7: 4,268,775 km (0.072 R)
• M8: 6,288,047 km (0.091 R)
• M9: 7,601,816 km (0.113 R)
• M10: 8,307,619 km (0.118 R)
• M11: 9,484,206 km (0.069 R)
• M12: 10,075,117 km (0.088 R)
• M13: 11,290,301 km (0.048 R)
• M14: 11,954,815 km (0.065 R)
• M15: 12,910,895 km (0.113 R)
• M16: 16,399,218 km (0.11 R)
• M17: 16,982,649 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.1

Radius: 7.7

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.3 AU - 6.96 AU

Year: 10121 Days

Day: 24 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,670,990 km

• M1: 104,719 km (0.117 R)
• M2: 490,232 km (0.063 R)
• M3: 1,368,372 km (0.074 R)
• M4: 2,004,911 km (0.088 R)
• M5: 2,268,951 km (0.03 R)
• M6: 4,611,354 km (0.103 R)
• M7: 5,951,751 km (0.118 R)
• M8: 6,653,664 km (0.108 R)
• M9: 9,044,238 km (0.116 R)
• M10: 9,330,419 km (0.098 R)
• M11: 11,505,423 km (0.043 R)
• M12: 12,710,433 km (0.116 R)
• M13: 13,435,684 km (0.073 R)
• M14: 15,034,885 km (0.117 R)
• M15: 15,436,855 km (0.106 R)
• M16: 15,708,824 km (0.087 R)
• M17: 16,332,348 km (0.089 R)
• M18: 17,554,861 km (0.102 R)
• M19: 19,859,566 km (0.081 R)
• M20: 21,000,998 km (0.103 R)
• M21: 27,570,289 km (0.082 R)
• M22: 28,886,451 km (0.046 R)
• M23: 30,884,630 km (0.107 R)
• M24: 32,637,319 km (0.058 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 15,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit