🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 14.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.22 AU - 1.5 AU

Year: 1040 Days

Day: 9.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,764,512 km

• M1: 185,651 km (0.118 R)
• M2: 653,294 km (0.111 R)
• M3: 1,131,110 km (0.055 R)
• M4: 1,663,379 km (0.111 R)
• M5: 2,226,465 km (0.09 R)
• M6: 2,891,577 km (0.071 R)
• M7: 3,383,305 km (0.117 R)
• M8: 4,268,476 km (0.11 R)
• M9: 5,341,990 km (0.114 R)
• M10: 5,942,775 km (0.076 R)
• M11: 7,449,376 km (0.071 R)
• M12: 8,463,200 km (0.041 R)
• M13: 8,976,022 km (0.109 R)
• M14: 9,624,678 km (0.079 R)
• M15: 10,154,105 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 12.3

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.48 AU - 1.58 AU

Year: 1241 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,764,512 km

• M1: 153,039 km (0.069 R)
• M2: 548,426 km (0.078 R)
• M3: 1,102,836 km (0.036 R)
• M4: 2,618,262 km (0.101 R)
• M5: 3,116,572 km (0.113 R)
• M6: 4,024,183 km (0.072 R)
• M7: 4,525,485 km (0.104 R)
• M8: 5,019,906 km (0.116 R)
• M9: 5,706,261 km (0.092 R)
• M10: 6,099,853 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 13.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.05 AU - 2.07 AU

Year: 1940 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,764,512 km

• M1: 176,974 km (0.079 R)
• M2: 667,207 km (0.071 R)
• M3: 1,241,812 km (0.108 R)
• M4: 2,116,361 km (0.07 R)
• M5: 3,689,383 km (0.034 R)
• M6: 4,125,012 km (0.114 R)
• M7: 4,897,385 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 10.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.58 AU - 2.6 AU

Year: 2734 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,764,512 km

• M1: 126,859 km (0.077 R)
• M2: 500,106 km (0.095 R)
• M3: 920,924 km (0.108 R)
• M4: 1,617,303 km (0.047 R)
• M5: 1,970,653 km (0.114 R)
• M6: 2,690,817 km (0.107 R)
• M7: 3,096,526 km (0.053 R)
• M8: 3,542,926 km (0.063 R)
• M9: 4,127,405 km (0.084 R)
• M10: 4,753,772 km (0.116 R)
• M11: 5,582,993 km (0.091 R)
• M12: 6,401,442 km (0.031 R)
• M13: 7,100,962 km (0.06 R)
• M14: 7,440,699 km (0.053 R)
• M15: 8,525,583 km (0.045 R)
• M16: 9,473,584 km (0.052 R)
• M17: 10,203,024 km (0.027 R)
• M18: 10,672,910 km (0.09 R)
• M19: 11,695,262 km (0.107 R)
• M20: 12,534,656 km (0.074 R)
• M21: 13,890,162 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 14.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.5 AU - 3.38 AU

Year: 3307 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,764,512 km

• M1: 183,257 km (0.08 R)
• M2: 701,315 km (0.107 R)
• M3: 1,212,640 km (0.049 R)
• M4: 1,777,372 km (0.103 R)
• M5: 5,603,487 km (0.074 R)
• M6: 6,200,233 km (0.032 R)
• M7: 7,206,279 km (0.077 R)
• M8: 7,880,217 km (0.04 R)
• M9: 9,429,603 km (0.092 R)
• M10: 10,556,823 km (0.118 R)
• M11: 11,555,987 km (0.078 R)
• M12: 12,256,554 km (0.059 R)
• M13: 12,800,491 km (0.091 R)
• M14: 13,313,313 km (0.097 R)
• M15: 13,839,748 km (0.089 R)
• M16: 15,346,498 km (0.044 R)
• M17: 16,960,359 km (0.074 R)
• M18: 17,750,984 km (0.08 R)
• M19: 18,507,201 km (0.085 R)
• M20: 20,021,730 km (0.097 R)
• M21: 21,551,967 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.3

Radius: 5.6

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.84 AU - 7.22 AU

Year: 9714 Days

Day: 24.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,764,512 km

• M1: 70,909 km (0.086 R)
• M2: 270,772 km (0.064 R)
• M3: 987,496 km (0.078 R)
• M4: 1,170,603 km (0.11 R)
• M5: 1,991,746 km (0.068 R)
• M6: 3,595,585 km (0.041 R)
• M7: 5,839,553 km (0.115 R)
• M8: 6,631,823 km (0.091 R)
• M9: 9,060,993 km (0.081 R)
• M10: 10,320,608 km (0.107 R)
• M11: 10,627,134 km (0.109 R)
• M12: 16,671,187 km (0.054 R)
• M13: 19,234,247 km (0.076 R)
• M14: 20,488,775 km (0.105 R)
• M15: 20,729,927 km (0.076 R)
• M16: 23,950,918 km (0.119 R)
• M17: 26,148,511 km (0.11 R)
• M18: 27,102,497 km (0.058 R)
• M19: 28,277,588 km (0.082 R)
• M20: 31,683,931 km (0.12 R)
• M21: 32,987,378 km (0.117 R)
• M22: 42,083,377 km (0.076 R)
• M23: 42,734,427 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.8

Radius: 7.9

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.15 AU - 7.79 AU

Year: 12071 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,764,512 km

• M1: 98,286 km (0.116 R)
• M2: 394,340 km (0.115 R)
• M3: 843,732 km (0.032 R)
• M4: 1,256,173 km (0.088 R)
• M5: 2,767,561 km (0.085 R)
• M6: 3,877,726 km (0.106 R)
• M7: 4,316,796 km (0.057 R)
• M8: 4,564,381 km (0.099 R)
• M9: 5,435,190 km (0.091 R)
• M10: 6,333,375 km (0.12 R)
• M11: 7,154,518 km (0.1 R)
• M12: 8,137,825 km (0.096 R)
• M13: 10,315,222 km (0.095 R)
• M14: 11,043,464 km (0.088 R)
• M15: 11,925,793 km (0.082 R)
• M16: 13,963,764 km (0.039 R)
• M17: 14,645,482 km (0.073 R)
• M18: 15,564,761 km (0.109 R)
• M19: 16,297,641 km (0.096 R)
• M20: 20,484,137 km (0.078 R)
• M21: 24,348,849 km (0.038 R)
• M22: 27,495,041 km (0.068 R)
• M23: 27,919,750 km (0.041 R)
• M24: 28,782,331 km (0.058 R)
• M25: 30,674,295 km (0.1 R)
• M26: 33,604,918 km (0.087 R)
• M27: 34,951,448 km (0.118 R)
• M28: 49,978,853 km (0.035 R)
• M29: 55,697,531 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928

Radius: 3.3

Gravity: 85.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.66 AU - 9.78 AU

Year: 18366 Days

Day: 15.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 144.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,764,512 km

• M1: 41,289 km (0.073 R)
• M2: 168,298 km (0.086 R)
• M3: 372,798 km (0.099 R)
• M4: 1,033,721 km (0.108 R)
• M5: 1,195,885 km (0.057 R)
• M6: 1,537,268 km (0.081 R)
• M7: 1,694,345 km (0.096 R)
• M8: 2,144,934 km (0.117 R)
• M9: 2,252,645 km (0.081 R)
• M10: 2,573,532 km (0.115 R)
• M11: 2,820,817 km (0.099 R)
• M12: 2,924,040 km (0.084 R)
• M13: 3,750,119 km (0.04 R)
• M14: 3,970,776 km (0.107 R)
• M15: 5,205,707 km (0.059 R)
• M16: 7,728,824 km (0.118 R)
• M17: 12,839,686 km (0.071 R)
• M18: 14,002,510 km (0.101 R)
• M19: 14,609,429 km (0.082 R)
• M20: 16,368,550 km (0.11 R)
• M21: 17,997,372 km (0.086 R)
• M22: 18,174,795 km (0.103 R)
• M23: 20,014,550 km (0.109 R)
• M24: 20,686,693 km (0.077 R)
• M25: 21,077,442 km (0.063 R)
• M26: 23,631,826 km (0.032 R)
• M27: 29,714,176 km (0.078 R)
• M28: 29,837,894 km (0.108 R)
• M29: 31,478,982 km (0.037 R)
• M30: 31,607,637 km (0.096 R)
• M31: 31,736,590 km (0.092 R)
• M32: 35,632,866 km (0.081 R)
• M33: 37,478,306 km (0.054 R)
• M34: 42,919,480 km (0.11 R)
• M35: 49,036,387 km (0.054 R)
• M36: 49,209,322 km (0.038 R)
• M37: 54,402,762 km (0.11 R)
• M38: 60,942,732 km (0.115 R)
• M39: 68,849,877 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.3

Radius: 8

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.5 AU - 11.8 AU

Year: 19665 Days

Day: 17.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,764,512 km

• M1: 99,483 km (0.089 R)
• M2: 461,809 km (0.104 R)
• M3: 852,409 km (0.102 R)
• M4: 1,486,704 km (0.063 R)
• M5: 2,098,110 km (0.076 R)
• M6: 3,216,803 km (0.1 R)
• M7: 5,255,822 km (0.115 R)
• M8: 5,698,632 km (0.076 R)
• M9: 6,253,939 km (0.099 R)
• M10: 6,522,018 km (0.1 R)
• M11: 8,457,366 km (0.112 R)
• M12: 9,644,276 km (0.086 R)
• M13: 10,124,485 km (0.096 R)
• M14: 10,874,568 km (0.117 R)
• M15: 12,137,025 km (0.077 R)
• M16: 13,127,812 km (0.103 R)
• M17: 13,643,027 km (0.074 R)
• M18: 15,029,799 km (0.12 R)
• M19: 15,757,293 km (0.044 R)
• M20: 21,623,175 km (0.117 R)
• M21: 21,929,103 km (0.064 R)
• M22: 28,429,280 km (0.101 R)
• M23: 30,297,907 km (0.057 R)
• M24: 34,140,179 km (0.084 R)
• M25: 41,037,089 km (0.111 R)
• M26: 42,137,831 km (0.111 R)
• M27: 44,892,675 km (0.115 R)
• M28: 48,633,071 km (0.099 R)
• M29: 48,982,980 km (0.112 R)
• M30: 52,576,022 km (0.092 R)
• M31: 55,003,397 km (0.117 R)
• M32: 55,765,000 km (0.035 R)
• M33: 57,895,872 km (0.113 R)
• M34: 60,281,659 km (0.036 R)
• M35: 63,563,686 km (0.101 R)
• M36: 77,169,014 km (0.099 R)
• M37: 78,123,449 km (0.083 R)
• M38: 80,055,805 km (0.109 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: 502 - 20,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit