🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.7

Radius: 14.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.08 AU - 1.26 AU

Year: 858 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,892,354 km

• M1: 184,005 km (0.113 R)
• M2: 791,672 km (0.054 R)
• M3: 1,920,089 km (0.109 R)
• M4: 2,473,750 km (0.105 R)
• M5: 3,056,584 km (0.096 R)
• M6: 3,672,179 km (0.116 R)
• M7: 4,272,066 km (0.11 R)
• M8: 4,812,713 km (0.034 R)
• M9: 5,729,748 km (0.09 R)
• M10: 7,215,404 km (0.046 R)
• M11: 7,837,582 km (0.069 R)
• M12: 8,314,799 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.3

Radius: 13.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.04 AU - 1.42 AU

Year: 925 Days

Day: 9.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,892,354 km

• M1: 175,179 km (0.104 R)
• M2: 629,059 km (0.061 R)
• M3: 1,213,239 km (0.03 R)
• M4: 1,989,502 km (0.059 R)
• M5: 2,441,587 km (0.115 R)
• M6: 3,558,634 km (0.05 R)
• M7: 4,298,994 km (0.056 R)
• M8: 5,385,823 km (0.082 R)
• M9: 5,820,255 km (0.03 R)
• M10: 6,342,351 km (0.103 R)
• M11: 6,805,058 km (0.07 R)
• M12: 7,409,283 km (0.078 R)
• M13: 7,948,284 km (0.072 R)
• M14: 8,672,189 km (0.103 R)
• M15: 9,383,377 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 8.8

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.05 AU - 1.43 AU

Year: 937 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,892,354 km

• M1: 109,506 km (0.05 R)
• M2: 389,403 km (0.03 R)
• M3: 709,094 km (0.107 R)
• M4: 1,063,790 km (0.027 R)
• M5: 1,603,390 km (0.074 R)
• M6: 1,931,608 km (0.088 R)
• M7: 2,664,188 km (0.097 R)
• M8: 3,294,744 km (0.032 R)
• M9: 3,752,663 km (0.095 R)
• M10: 4,037,647 km (0.103 R)
• M11: 4,337,141 km (0.081 R)
• M12: 4,741,505 km (0.047 R)
• M13: 5,037,409 km (0.071 R)
• M14: 5,646,272 km (0.116 R)
• M15: 6,193,950 km (0.104 R)
• M16: 7,249,363 km (0.093 R)
• M17: 7,947,836 km (0.099 R)
• M18: 8,554,605 km (0.107 R)
• M19: 8,883,271 km (0.063 R)
• M20: 10,221,873 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 13

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.82 AU - 2.68 AU

Year: 2289 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,892,354 km

• M1: 163,660 km (0.102 R)
• M2: 641,625 km (0.103 R)
• M3: 1,097,450 km (0.066 R)
• M4: 2,030,641 km (0.111 R)
• M5: 2,863,303 km (0.069 R)
• M6: 3,311,798 km (0.116 R)
• M7: 4,314,702 km (0.11 R)
• M8: 4,846,373 km (0.081 R)
• M9: 6,234,790 km (0.09 R)
• M10: 6,709,465 km (0.088 R)
• M11: 7,208,224 km (0.079 R)
• M12: 9,263,549 km (0.102 R)
• M13: 10,357,409 km (0.075 R)
• M14: 12,642,815 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 12.2

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.99 AU - 2.89 AU

Year: 2585 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,892,354 km

• M1: 151,692 km (0.05 R)
• M2: 723,754 km (0.111 R)
• M3: 1,168,659 km (0.075 R)
• M4: 2,030,791 km (0.091 R)
• M5: 3,002,130 km (0.043 R)
• M6: 4,091,651 km (0.074 R)
• M7: 4,568,270 km (0.111 R)
• M8: 5,505,052 km (0.064 R)
• M9: 6,225,665 km (0.084 R)
• M10: 7,790,160 km (0.119 R)
• M11: 8,354,443 km (0.093 R)
• M12: 9,453,837 km (0.103 R)
• M13: 9,904,576 km (0.05 R)
• M14: 11,218,344 km (0.107 R)
• M15: 12,069,257 km (0.059 R)
• M16: 12,510,571 km (0.073 R)
• M17: 13,054,359 km (0.032 R)
• M18: 14,433,951 km (0.062 R)
• M19: 16,225,834 km (0.069 R)
• M20: 16,763,937 km (0.087 R)
• M21: 17,481,409 km (0.05 R)
• M22: 19,756,792 km (0.045 R)
• M23: 20,682,354 km (0.046 R)
• M24: 21,443,508 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.5

Radius: 14.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.49 AU - 3.03 AU

Year: 3110 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,892,354 km

• M1: 186,848 km (0.106 R)
• M2: 728,242 km (0.083 R)
• M3: 1,360,892 km (0.084 R)
• M4: 1,844,243 km (0.099 R)
• M5: 2,579,666 km (0.089 R)
• M6: 3,174,467 km (0.089 R)
• M7: 4,760,803 km (0.063 R)
• M8: 5,610,519 km (0.067 R)
• M9: 6,980,087 km (0.081 R)
• M10: 7,451,171 km (0.088 R)
• M11: 8,078,285 km (0.03 R)
• M12: 9,066,828 km (0.041 R)
• M13: 10,134,508 km (0.104 R)
• M14: 11,115,122 km (0.083 R)
• M15: 12,749,927 km (0.067 R)
• M16: 13,843,937 km (0.044 R)
• M17: 15,416,509 km (0.09 R)
• M18: 16,002,185 km (0.101 R)
• M19: 16,936,723 km (0.12 R)
• M20: 18,854,418 km (0.095 R)
• M21: 20,977,661 km (0.112 R)
• M22: 22,231,590 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 14.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.69 AU - 5.07 AU

Year: 6217 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,892,354 km

• M1: 184,454 km (0.101 R)
• M2: 876,344 km (0.067 R)
• M3: 1,396,496 km (0.072 R)
• M4: 2,184,129 km (0.083 R)
• M5: 2,739,586 km (0.03 R)
• M6: 3,921,259 km (0.091 R)
• M7: 4,414,932 km (0.119 R)
• M8: 5,001,057 km (0.072 R)
• M9: 6,482,076 km (0.083 R)
• M10: 7,209,421 km (0.075 R)
• M11: 9,326,081 km (0.092 R)
• M12: 10,088,731 km (0.11 R)
• M13: 11,155,214 km (0.115 R)
• M14: 12,014,953 km (0.027 R)
• M15: 12,580,433 km (0.116 R)
• M16: 13,262,749 km (0.047 R)
• M17: 15,130,927 km (0.057 R)
• M18: 19,065,949 km (0.119 R)
• M19: 22,063,143 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.2

Radius: 8.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.14 AU - 6.88 AU

Year: 8772 Days

Day: 5.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,892,354 km

• M1: 104,569 km (0.045 R)
• M2: 476,020 km (0.074 R)
• M3: 1,068,278 km (0.085 R)
• M4: 1,677,441 km (0.095 R)
• M5: 2,311,287 km (0.056 R)
• M6: 3,096,078 km (0.062 R)
• M7: 3,913,480 km (0.034 R)
• M8: 4,444,852 km (0.092 R)
• M9: 5,651,209 km (0.037 R)
• M10: 6,705,575 km (0.105 R)
• M11: 8,925,308 km (0.047 R)
• M12: 9,198,923 km (0.057 R)
• M13: 9,762,907 km (0.047 R)
• M14: 10,783,314 km (0.045 R)
• M15: 11,319,323 km (0.114 R)
• M16: 12,590,456 km (0.047 R)
• M17: 14,111,567 km (0.04 R)
• M18: 16,036,593 km (0.093 R)
• M19: 16,325,316 km (0.056 R)
• M20: 17,332,708 km (0.081 R)
• M21: 18,570,182 km (0.105 R)
• M22: 19,016,881 km (0.112 R)
• M23: 19,470,761 km (0.05 R)
• M24: 20,400,213 km (0.113 R)
• M25: 22,490,993 km (0.11 R)
• M26: 25,105,963 km (0.102 R)
• M27: 26,607,328 km (0.084 R)
• M28: 27,420,991 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.1

Radius: 4.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.54 AU - 7.82 AU

Year: 14436 Days

Day: 15.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,892,354 km

• M1: 290,669 km (0.112 R)
• M2: 594,801 km (0.11 R)
• M3: 876,494 km (0.115 R)
• M4: 1,990,998 km (0.089 R)
• M5: 2,916,111 km (0.105 R)
• M6: 4,877,339 km (0.12 R)
• M7: 5,328,527 km (0.102 R)
• M8: 10,508,353 km (0.114 R)
• M9: 11,344,455 km (0.111 R)
• M10: 11,603,559 km (0.054 R)
• M11: 11,822,570 km (0.096 R)
• M12: 13,578,400 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.4

Radius: 5.5

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.99 AU - 10.49 AU

Year: 17525 Days

Day: 20.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,892,354 km

• M1: 68,366 km (0.064 R)
• M2: 277,504 km (0.086 R)
• M3: 750,383 km (0.114 R)
• M4: 1,048,382 km (0.114 R)
• M5: 1,252,284 km (0.117 R)
• M6: 1,917,695 km (0.114 R)
• M7: 2,185,176 km (0.097 R)
• M8: 2,433,957 km (0.088 R)
• M9: 4,249,627 km (0.067 R)
• M10: 4,441,112 km (0.067 R)
• M11: 4,910,401 km (0.047 R)
• M12: 5,301,898 km (0.062 R)
• M13: 5,829,829 km (0.114 R)
• M14: 7,671,080 km (0.066 R)
• M15: 9,007,138 km (0.092 R)
• M16: 9,647,866 km (0.097 R)
• M17: 10,782,715 km (0.089 R)
• M18: 11,139,805 km (0.078 R)
• M19: 12,713,126 km (0.105 R)
• M20: 13,178,974 km (0.074 R)
• M21: 13,450,195 km (0.111 R)
• M22: 15,082,757 km (0.095 R)
• M23: 16,449,183 km (0.101 R)
• M24: 23,231,502 km (0.077 R)
• M25: 23,627,488 km (0.096 R)
• M26: 29,422,161 km (0.093 R)
• M27: 32,522,128 km (0.091 R)
• M28: 40,922,049 km (0.114 R)
• M29: 41,790,315 km (0.113 R)
• M30: 42,523,045 km (0.083 R)
• M31: 47,734,885 km (0.079 R)
• M32: 52,843,802 km (0.077 R)
• M33: 53,356,624 km (0.061 R)
• M34: 56,148,569 km (0.109 R)
• M35: 60,890,373 km (0.08 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 18,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit