🌌 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: 379.7

Radius: 14.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.74 AU - 0.8 AU

Year: 458 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,746,511 km

• M1: 177,872 km (0.105 R)
• M2: 715,826 km (0.041 R)
• M3: 1,282,054 km (0.081 R)
• M4: 1,817,913 km (0.043 R)
• M5: 2,313,232 km (0.11 R)
• M6: 2,811,243 km (0.108 R)
• M7: 3,504,181 km (0.033 R)
• M8: 4,040,339 km (0.101 R)
• M9: 4,535,658 km (0.06 R)
• M10: 5,013,174 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 11

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.79 AU - 1.01 AU

Year: 579 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,746,511 km

• M1: 136,732 km (0.106 R)
• M2: 487,539 km (0.047 R)
• M3: 858,093 km (0.083 R)
• M4: 1,284,447 km (0.117 R)
• M5: 2,214,946 km (0.07 R)
• M6: 2,571,438 km (0.101 R)
• M7: 3,235,353 km (0.049 R)
• M8: 3,951,927 km (0.072 R)
• M9: 4,371,699 km (0.07 R)
• M10: 4,921,321 km (0.08 R)
• M11: 5,626,376 km (0.093 R)
• M12: 7,414,519 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 8.3

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.78 AU - 1.06 AU

Year: 599 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,746,511 km

• M1: 103,671 km (0.1 R)
• M2: 367,712 km (0.112 R)
• M3: 626,815 km (0.04 R)
• M4: 945,907 km (0.077 R)
• M5: 1,368,222 km (0.105 R)
• M6: 1,701,227 km (0.119 R)
• M7: 1,998,927 km (0.092 R)
• M8: 2,339,561 km (0.11 R)
• M9: 2,664,637 km (0.095 R)
• M10: 2,952,164 km (0.105 R)
• M11: 3,270,509 km (0.056 R)
• M12: 3,700,902 km (0.079 R)
• M13: 4,096,139 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 13.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.05 AU - 1.27 AU

Year: 847 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,746,511 km

• M1: 172,935 km (0.045 R)
• M2: 623,075 km (0.118 R)
• M3: 1,072,617 km (0.119 R)
• M4: 1,812,229 km (0.101 R)
• M5: 2,950,668 km (0.092 R)
• M6: 3,905,851 km (0.083 R)
• M7: 4,420,019 km (0.056 R)
• M8: 4,916,534 km (0.088 R)
• M9: 5,933,500 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 11.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.04 AU - 1.68 AU

Year: 1076 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,746,511 km

• M1: 146,756 km (0.046 R)
• M2: 935,136 km (0.076 R)
• M3: 1,467,406 km (0.085 R)
• M4: 1,885,382 km (0.112 R)
• M5: 2,327,593 km (0.116 R)
• M6: 3,129,139 km (0.1 R)
• M7: 3,647,645 km (0.068 R)
• M8: 4,156,128 km (0.085 R)
• M9: 4,784,439 km (0.112 R)
• M10: 5,179,527 km (0.087 R)
• M11: 6,703,780 km (0.106 R)
• M12: 7,569,503 km (0.111 R)
• M13: 8,187,043 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 12.6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.54 AU - 2.68 AU

Year: 2860 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 51 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,746,511 km

• M1: 156,629 km (0.088 R)
• M2: 585,526 km (0.051 R)
• M3: 1,387,371 km (0.093 R)
• M4: 1,820,905 km (0.114 R)
• M5: 2,303,209 km (0.066 R)
• M6: 2,971,014 km (0.093 R)
• M7: 3,435,216 km (0.114 R)
• M8: 5,457,181 km (0.113 R)
• M9: 5,991,245 km (0.041 R)
• M10: 7,577,581 km (0.084 R)
• M11: 9,465,656 km (0.097 R)
• M12: 9,924,622 km (0.088 R)
• M13: 10,887,434 km (0.094 R)
• M14: 12,998,559 km (0.059 R)
• M15: 15,369,984 km (0.066 R)
• M16: 16,383,809 km (0.107 R)
• M17: 17,498,762 km (0.106 R)
• M18: 18,308,835 km (0.119 R)
• M19: 19,143,740 km (0.071 R)
• M20: 19,755,446 km (0.08 R)
• M21: 20,633,885 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 12.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.94 AU - 4.44 AU

Year: 5817 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,746,511 km

• M1: 159,471 km (0.109 R)
• M2: 574,605 km (0.114 R)
• M3: 1,190,649 km (0.111 R)
• M4: 1,706,014 km (0.092 R)
• M5: 2,199,986 km (0.086 R)
• M6: 2,952,613 km (0.098 R)
• M7: 3,587,357 km (0.118 R)
• M8: 4,287,625 km (0.11 R)
• M9: 5,131,357 km (0.095 R)
• M10: 6,747,612 km (0.096 R)
• M11: 8,073,348 km (0.048 R)
• M12: 9,196,828 km (0.081 R)
• M13: 10,030,687 km (0.086 R)
• M14: 11,515,745 km (0.079 R)
• M15: 14,309,784 km (0.068 R)
• M16: 16,010,563 km (0.032 R)
• M17: 16,486,134 km (0.111 R)
• M18: 20,220,845 km (0.104 R)
• M19: 20,636,877 km (0.077 R)
• M20: 21,271,620 km (0.069 R)
• M21: 24,018,985 km (0.104 R)
• M22: 25,922,618 km (0.115 R)
• M23: 28,528,015 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 12.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.81 AU - 5.87 AU

Year: 7222 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,746,511 km

• M1: 150,495 km (0.088 R)
• M2: 549,473 km (0.1 R)
• M3: 1,177,036 km (0.09 R)
• M4: 2,103,645 km (0.09 R)
• M5: 2,629,482 km (0.057 R)
• M6: 4,574,404 km (0.093 R)
• M7: 10,251,643 km (0.106 R)
• M8: 10,742,473 km (0.073 R)
• M9: 11,675,067 km (0.069 R)
• M10: 17,290,821 km (0.111 R)
• M11: 22,194,490 km (0.079 R)
• M12: 25,364,917 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.1

Radius: 8

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.11 AU - 7.97 AU

Year: 11344 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,746,511 km

• M1: 99,483 km (0.08 R)
• M2: 368,759 km (0.108 R)
• M3: 838,346 km (0.05 R)
• M4: 2,033,484 km (0.061 R)
• M5: 3,276,193 km (0.11 R)
• M6: 3,580,924 km (0.091 R)
• M7: 4,673,288 km (0.111 R)
• M8: 5,127,168 km (0.026 R)
• M9: 5,504,005 km (0.057 R)
• M10: 6,666,680 km (0.084 R)
• M11: 7,032,895 km (0.108 R)
• M12: 10,302,805 km (0.076 R)
• M13: 11,015,789 km (0.11 R)
• M14: 12,600,928 km (0.1 R)
• M15: 13,544,442 km (0.058 R)
• M16: 14,466,862 km (0.092 R)
• M17: 14,806,150 km (0.109 R)
• M18: 16,436,168 km (0.101 R)
• M19: 17,561,593 km (0.108 R)
• M20: 17,948,005 km (0.102 R)
• M21: 18,657,547 km (0.118 R)
• M22: 19,798,530 km (0.096 R)
• M23: 25,512,570 km (0.102 R)
• M24: 27,741,878 km (0.072 R)
• M25: 28,371,685 km (0.066 R)
• M26: 29,659,723 km (0.092 R)
• M27: 30,539,957 km (0.113 R)
• M28: 38,347,320 km (0.105 R)
• M29: 39,920,790 km (0.116 R)
• M30: 40,320,665 km (0.063 R)
• M31: 48,589,239 km (0.081 R)
• M32: 51,683,372 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.5

Radius: 4.9

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.67 AU - 11.19 AU

Year: 19641 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,746,511 km

• M1: 60,886 km (0.118 R)
• M2: 232,026 km (0.12 R)
• M3: 604,525 km (0.086 R)
• M4: 1,688,960 km (0.114 R)
• M5: 1,996,533 km (0.043 R)
• M6: 2,660,149 km (0.109 R)
• M7: 2,985,674 km (0.041 R)
• M8: 3,337,229 km (0.047 R)
• M9: 3,794,849 km (0.074 R)
• M10: 4,038,843 km (0.064 R)
• M11: 4,618,834 km (0.097 R)
• M12: 5,285,592 km (0.109 R)
• M13: 5,799,760 km (0.052 R)
• M14: 6,497,933 km (0.085 R)
• M15: 7,499,940 km (0.096 R)
• M16: 7,669,284 km (0.105 R)
• M17: 8,739,807 km (0.096 R)
• M18: 10,739,482 km (0.092 R)
• M19: 12,663,011 km (0.086 R)
• M20: 12,842,977 km (0.109 R)
• M21: 14,023,155 km (0.08 R)
• M22: 16,454,120 km (0.057 R)
• M23: 17,249,532 km (0.029 R)
• M24: 18,070,376 km (0.113 R)
• M25: 22,921,236 km (0.081 R)
• M26: 29,509,826 km (0.104 R)
• M27: 30,145,317 km (0.108 R)
• M28: 30,789,935 km (0.048 R)
• M29: 35,800,865 km (0.084 R)
• M30: 38,373,200 km (0.075 R)
• M31: 41,725,389 km (0.118 R)
• M32: 44,710,016 km (0.055 R)
• M33: 48,124,887 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 13,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit