🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 13.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.5 AU - 0.7 AU

Year: 315 Days

Day: 6.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,401,552 km

• M1: 165,904 km (0.055 R)
• M2: 679,623 km (0.097 R)
• M3: 1,143,825 km (0.114 R)
• M4: 1,604,288 km (0.097 R)
• M5: 2,042,011 km (0.098 R)
• M6: 3,216,354 km (0.115 R)
• M7: 4,017,152 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 9.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.77 AU - 1.11 AU

Year: 618 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,401,552 km

• M1: 121,922 km (0.094 R)
• M2: 457,620 km (0.098 R)
• M3: 1,475,484 km (0.074 R)
• M4: 1,965,866 km (0.095 R)
• M5: 2,426,328 km (0.078 R)
• M6: 2,775,938 km (0.101 R)
• M7: 3,275,296 km (0.039 R)
• M8: 3,965,840 km (0.025 R)
• M9: 4,424,955 km (0.098 R)
• M10: 4,934,785 km (0.088 R)
• M11: 5,350,817 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.4

Radius: 9

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.13 AU - 1.39 AU

Year: 959 Days

Day: 10.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,401,552 km

• M1: 112,198 km (0.092 R)
• M2: 399,426 km (0.075 R)
• M3: 704,157 km (0.115 R)
• M4: 1,199,476 km (0.1 R)
• M5: 1,493,884 km (0.088 R)
• M6: 2,168,870 km (0.098 R)
• M7: 2,540,321 km (0.067 R)
• M8: 2,901,451 km (0.077 R)
• M9: 3,605,309 km (0.079 R)
• M10: 4,315,001 km (0.06 R)
• M11: 4,850,113 km (0.118 R)
• M12: 5,408,861 km (0.055 R)
• M13: 6,249,301 km (0.114 R)
• M14: 6,840,662 km (0.085 R)
• M15: 7,271,653 km (0.042 R)
• M16: 8,673,834 km (0.095 R)
• M17: 10,033,978 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.7

Radius: 12.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.09 AU - 3.25 AU

Year: 2959 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 96,401,552 km

• M1: 160,519 km (0.071 R)
• M2: 618,288 km (0.099 R)
• M3: 1,681,330 km (0.114 R)
• M4: 2,816,479 km (0.114 R)
• M5: 3,436,562 km (0.071 R)
• M6: 5,696,537 km (0.082 R)
• M7: 6,365,090 km (0.112 R)
• M8: 7,660,458 km (0.12 R)
• M9: 10,452,403 km (0.061 R)
• M10: 10,874,868 km (0.09 R)
• M11: 12,522,389 km (0.116 R)
• M12: 13,821,347 km (0.088 R)
• M13: 14,245,008 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 14.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.96 AU - 3.24 AU

Year: 3702 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,401,552 km

• M1: 182,809 km (0.077 R)
• M2: 775,366 km (0.094 R)
• M3: 1,282,951 km (0.116 R)
• M4: 1,912,010 km (0.108 R)
• M5: 2,714,154 km (0.084 R)
• M6: 3,583,168 km (0.041 R)
• M7: 4,543,886 km (0.051 R)
• M8: 5,132,703 km (0.078 R)
• M9: 5,979,576 km (0.085 R)
• M10: 7,392,528 km (0.052 R)
• M11: 7,857,179 km (0.103 R)
• M12: 8,574,202 km (0.12 R)
• M13: 9,052,915 km (0.116 R)
• M14: 9,767,843 km (0.057 R)
• M15: 11,638,415 km (0.033 R)
• M16: 12,571,307 km (0.047 R)
• M17: 13,553,717 km (0.086 R)
• M18: 14,442,777 km (0.103 R)
• M19: 15,073,182 km (0.071 R)
• M20: 16,233,613 km (0.118 R)
• M21: 16,915,330 km (0.104 R)
• M22: 18,505,406 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.4

Radius: 10.1

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.62 AU - 4.64 AU

Year: 5693 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,401,552 km

• M1: 125,812 km (0.029 R)
• M2: 612,902 km (0.095 R)
• M3: 1,043,595 km (0.083 R)
• M4: 2,010,147 km (0.111 R)
• M5: 3,640,913 km (0.058 R)
• M6: 4,046,922 km (0.074 R)
• M7: 4,558,846 km (0.055 R)
• M8: 5,058,802 km (0.096 R)
• M9: 5,479,022 km (0.073 R)
• M10: 8,863,973 km (0.118 R)
• M11: 10,160,089 km (0.098 R)
• M12: 10,649,124 km (0.112 R)
• M13: 11,247,366 km (0.119 R)
• M14: 14,357,805 km (0.113 R)
• M15: 16,622,418 km (0.113 R)
• M16: 17,807,831 km (0.067 R)
• M17: 20,486,082 km (0.115 R)
• M18: 21,339,239 km (0.055 R)
• M19: 22,513,432 km (0.035 R)
• M20: 23,575,727 km (0.088 R)
• M21: 29,304,278 km (0.083 R)
• M22: 30,387,217 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 8.6

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.76 AU - 6.26 AU

Year: 8772 Days

Day: 11.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,401,552 km

• M1: 110,852 km (0.084 R)
• M2: 397,631 km (0.114 R)
• M3: 768,035 km (0.1 R)
• M4: 1,391,559 km (0.112 R)
• M5: 1,966,913 km (0.1 R)
• M6: 2,883,349 km (0.079 R)
• M7: 3,175,065 km (0.111 R)
• M8: 3,461,695 km (0.099 R)
• M9: 4,312,308 km (0.109 R)
• M10: 4,725,647 km (0.116 R)
• M11: 5,036,960 km (0.056 R)
• M12: 5,361,887 km (0.109 R)
• M13: 6,922,193 km (0.073 R)
• M14: 9,477,324 km (0.045 R)
• M15: 10,177,293 km (0.111 R)
• M16: 10,698,193 km (0.099 R)
• M17: 11,456,953 km (0.067 R)
• M18: 14,139,841 km (0.109 R)
• M19: 16,781,590 km (0.072 R)
• M20: 18,947,468 km (0.113 R)
• M21: 22,058,954 km (0.088 R)
• M22: 23,286,405 km (0.116 R)
• M23: 26,748,548 km (0.067 R)
• M24: 28,550,903 km (0.045 R)
• M25: 32,618,619 km (0.067 R)
• M26: 34,325,531 km (0.111 R)
• M27: 43,082,990 km (0.103 R)
• M28: 44,720,039 km (0.077 R)
• M29: 45,693,922 km (0.071 R)
• M30: 48,117,706 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.7

Radius: 6.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.2 AU - 8.64 AU

Year: 12347 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,401,552 km

• M1: 84,523 km (0.113 R)
• M2: 426,653 km (0.088 R)
• M3: 832,213 km (0.11 R)
• M4: 1,390,363 km (0.1 R)
• M5: 1,664,127 km (0.027 R)
• M6: 2,321,011 km (0.055 R)
• M7: 4,361,975 km (0.11 R)
• M8: 4,786,833 km (0.049 R)
• M9: 5,969,703 km (0.049 R)
• M10: 6,871,180 km (0.119 R)
• M11: 7,632,633 km (0.058 R)
• M12: 8,053,302 km (0.096 R)
• M13: 13,809,679 km (0.081 R)
• M14: 14,376,804 km (0.075 R)
• M15: 15,923,796 km (0.107 R)
• M16: 19,839,969 km (0.058 R)
• M17: 22,211,095 km (0.031 R)
• M18: 23,305,553 km (0.065 R)
• M19: 25,264,687 km (0.112 R)
• M20: 29,044,576 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.2

Radius: 3.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.93 AU - 7.37 AU

Year: 12967 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 96,401,552 km

• M1: 38,596 km (0.091 R)
• M2: 210,933 km (0.088 R)
• M3: 307,723 km (0.075 R)
• M4: 520,451 km (0.093 R)
• M5: 1,723,218 km (0.113 R)
• M6: 1,969,456 km (0.102 R)
• M7: 2,285,706 km (0.106 R)
• M8: 3,193,167 km (0.106 R)
• M9: 3,715,712 km (0.097 R)
• M10: 4,172,883 km (0.111 R)
• M11: 6,348,335 km (0.098 R)
• M12: 6,865,794 km (0.114 R)
• M13: 7,801,978 km (0.081 R)
• M14: 12,252,066 km (0.099 R)
• M15: 12,547,821 km (0.074 R)
• M16: 13,568,527 km (0.068 R)
• M17: 16,419,264 km (0.103 R)
• M18: 17,266,437 km (0.062 R)
• M19: 18,526,500 km (0.113 R)
• M20: 19,178,896 km (0.088 R)
• M21: 23,117,957 km (0.085 R)
• M22: 23,267,854 km (0.12 R)
• M23: 24,568,010 km (0.115 R)
• M24: 27,145,282 km (0.067 R)
• M25: 28,844,265 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.8

Radius: 5.2

Gravity: 36.57 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.61 AU - 10.79 AU

Year: 23739 Days

Day: 17.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 96,401,552 km

• M1: 65,374 km (0.109 R)
• M2: 257,308 km (0.11 R)
• M3: 581,038 km (0.096 R)
• M4: 790,026 km (0.025 R)
• M5: 1,090,419 km (0.115 R)
• M6: 2,487,962 km (0.079 R)
• M7: 2,934,661 km (0.105 R)
• M8: 4,905,015 km (0.043 R)
• M9: 6,001,867 km (0.109 R)
• M10: 6,230,303 km (0.118 R)
• M11: 7,304,565 km (0.061 R)
• M12: 9,503,055 km (0.11 R)
• M13: 11,191,716 km (0.104 R)
• M14: 11,537,885 km (0.108 R)
• M15: 24,038,882 km (0.061 R)
• M16: 40,706,777 km (0.103 R)
• M17: 42,021,294 km (0.119 R)
• M18: 43,874,512 km (0.12 R)
• M19: 46,134,039 km (0.071 R)
• M20: 47,023,398 km (0.081 R)
• M21: 58,603,320 km (0.084 R)
• M22: 65,046,351 km (0.061 R)
• M23: 70,060,423 km (0.092 R)
• M24: 93,823,745 km (0.118 R)
• M25: 94,392,666 km (0.112 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: 520 - 11,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit