🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.8

Radius: 9.6

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.81 AU - 1.11 AU

Year: 627 Days

Day: 6.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,460,330 km

• M1: 119,379 km (0.111 R)
• M2: 421,716 km (0.079 R)
• M3: 754,422 km (0.069 R)
• M4: 1,337,255 km (0.117 R)
• M5: 1,737,878 km (0.102 R)
• M6: 2,237,685 km (0.061 R)
• M7: 2,913,867 km (0.032 R)
• M8: 3,352,339 km (0.106 R)
• M9: 3,762,835 km (0.111 R)
• M10: 4,222,101 km (0.117 R)
• M11: 4,668,650 km (0.093 R)
• M12: 5,253,129 km (0.086 R)
• M13: 6,341,753 km (0.109 R)
• M14: 7,015,392 km (0.102 R)
• M15: 7,782,680 km (0.049 R)
• M16: 8,138,423 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 13.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.18 AU - 1.28 AU

Year: 910 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,460,330 km

• M1: 170,392 km (0.069 R)
• M2: 684,111 km (0.066 R)
• M3: 1,378,395 km (0.08 R)
• M4: 2,098,709 km (0.084 R)
• M5: 2,779,828 km (0.118 R)
• M6: 3,387,943 km (0.088 R)
• M7: 4,364,518 km (0.108 R)
• M8: 5,441,922 km (0.057 R)
• M9: 6,096,861 km (0.079 R)
• M10: 6,667,128 km (0.078 R)
• M11: 7,663,749 km (0.115 R)
• M12: 8,172,232 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 11.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.51 AU - 1.81 AU

Year: 1426 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,460,330 km

• M1: 144,212 km (0.108 R)
• M2: 1,032,375 km (0.076 R)
• M3: 1,482,515 km (0.044 R)
• M4: 1,895,555 km (0.093 R)
• M5: 3,716,759 km (0.031 R)
• M6: 6,011,740 km (0.101 R)
• M7: 6,889,431 km (0.089 R)
• M8: 7,421,102 km (0.096 R)
• M9: 7,799,135 km (0.062 R)
• M10: 9,153,445 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.7

Radius: 13.5

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.39 AU - 2.07 AU

Year: 1517 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,460,330 km

• M1: 168,148 km (0.084 R)
• M2: 644,617 km (0.108 R)
• M3: 1,687,913 km (0.105 R)
• M4: 2,333,577 km (0.119 R)
• M5: 3,155,468 km (0.077 R)
• M6: 6,304,802 km (0.097 R)
• M7: 7,231,711 km (0.027 R)
• M8: 7,813,048 km (0.103 R)
• M9: 8,306,571 km (0.073 R)
• M10: 9,228,244 km (0.105 R)
• M11: 12,288,867 km (0.07 R)
• M12: 13,321,690 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 11.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.58 AU - 2.66 AU

Year: 2828 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,460,330 km

• M1: 147,055 km (0.031 R)
• M2: 669,002 km (0.081 R)
• M3: 1,068,129 km (0.119 R)
• M4: 1,521,261 km (0.116 R)
• M5: 2,139,250 km (0.069 R)
• M6: 2,965,778 km (0.086 R)
• M7: 3,675,470 km (0.048 R)
• M8: 4,643,219 km (0.029 R)
• M9: 5,699,080 km (0.104 R)
• M10: 6,362,996 km (0.099 R)
• M11: 11,013,844 km (0.117 R)
• M12: 15,621,309 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 10.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.96 AU - 4.62 AU

Year: 4920 Days

Day: 8.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,460,330 km

• M1: 127,607 km (0.082 R)
• M2: 684,111 km (0.082 R)
• M3: 1,611,917 km (0.111 R)
• M4: 2,007,903 km (0.094 R)
• M5: 3,130,485 km (0.12 R)
• M6: 4,288,373 km (0.106 R)
• M7: 7,577,880 km (0.117 R)
• M8: 11,513,501 km (0.111 R)
• M9: 12,007,323 km (0.026 R)
• M10: 14,596,115 km (0.111 R)
• M11: 17,214,825 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.6

Radius: 13.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.55 AU - 6.35 AU

Year: 8484 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,460,330 km

• M1: 240,105 km (0.094 R)
• M2: 851,361 km (0.1 R)
• M3: 2,022,862 km (0.097 R)
• M4: 2,775,489 km (0.089 R)
• M5: 3,959,108 km (0.116 R)
• M6: 4,495,865 km (0.072 R)
• M7: 5,173,094 km (0.086 R)
• M8: 5,917,493 km (0.092 R)
• M9: 6,881,352 km (0.11 R)
• M10: 10,013,782 km (0.09 R)
• M11: 11,015,639 km (0.094 R)
• M12: 13,933,994 km (0.12 R)
• M13: 14,800,465 km (0.046 R)
• M14: 15,311,492 km (0.117 R)
• M15: 16,984,893 km (0.115 R)
• M16: 21,902,923 km (0.109 R)
• M17: 28,769,316 km (0.09 R)
• M18: 32,580,172 km (0.034 R)
• M19: 40,937,308 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.2

Radius: 3.1

Gravity: 76.92 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.98 AU - 6.02 AU

Year: 9801 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,460,330 km

• M1: 39,195 km (0.05 R)
• M2: 355,445 km (0.084 R)
• M3: 568,921 km (0.064 R)
• M4: 2,116,810 km (0.101 R)
• M5: 3,453,168 km (0.108 R)
• M6: 3,919,315 km (0.089 R)
• M7: 4,367,659 km (0.118 R)
• M8: 4,484,944 km (0.083 R)
• M9: 8,459,909 km (0.107 R)
• M10: 13,473,233 km (0.083 R)
• M11: 15,145,288 km (0.086 R)
• M12: 15,549,951 km (0.096 R)
• M13: 17,681,720 km (0.116 R)
• M14: 24,118,618 km (0.093 R)
• M15: 26,181,572 km (0.112 R)
• M16: 26,763,957 km (0.077 R)
• M17: 26,959,930 km (0.048 R)
• M18: 27,553,833 km (0.106 R)
• M19: 33,979,361 km (0.101 R)
• M20: 35,610,128 km (0.087 R)
• M21: 41,204,041 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.2

Radius: 3

Gravity: 58.13 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.29 AU - 6.79 AU

Year: 9899 Days

Day: 20.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 49,460,330 km

• M1: 37,549 km (0.105 R)
• M2: 212,130 km (0.059 R)
• M3: 317,147 km (0.077 R)
• M4: 481,556 km (0.066 R)
• M5: 766,839 km (0.11 R)
• M6: 1,211,294 km (0.115 R)
• M7: 1,422,377 km (0.116 R)
• M8: 1,516,174 km (0.089 R)
• M9: 1,746,256 km (0.103 R)
• M10: 1,885,681 km (0.113 R)
• M11: 2,293,784 km (0.104 R)
• M12: 2,518,630 km (0.11 R)
• M13: 3,843,169 km (0.092 R)
• M14: 4,638,731 km (0.081 R)
• M15: 4,786,234 km (0.102 R)
• M16: 5,279,309 km (0.101 R)
• M17: 5,670,657 km (0.12 R)
• M18: 5,805,295 km (0.038 R)
• M19: 6,329,336 km (0.05 R)
• M20: 8,346,813 km (0.104 R)
• M21: 8,967,644 km (0.069 R)
• M22: 9,523,700 km (0.119 R)
• M23: 10,450,458 km (0.066 R)
• M24: 14,634,412 km (0.098 R)
• M25: 15,208,718 km (0.114 R)
• M26: 19,049,643 km (0.11 R)
• M27: 19,351,831 km (0.112 R)
• M28: 20,830,905 km (0.099 R)
• M29: 23,836,925 km (0.068 R)
• M30: 26,458,927 km (0.065 R)
• M31: 26,552,724 km (0.102 R)
• M32: 28,082,063 km (0.074 R)
• M33: 28,179,601 km (0.11 R)
• M34: 30,587,529 km (0.092 R)
• M35: 30,690,751 km (0.068 R)
• M36: 31,315,023 km (0.051 R)
• M37: 32,266,914 km (0.104 R)
• M38: 33,566,172 km (0.118 R)
• M39: 33,785,931 km (0.045 R)
• M40: 39,968,213 km (0.05 R)
• M41: 43,389,067 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586

Radius: 7.4

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.9 AU - 7.32 AU

Year: 11333 Days

Day: 18.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,460,330 km

• M1: 110,403 km (0.099 R)
• M2: 404,662 km (0.093 R)
• M3: 863,479 km (0.099 R)
• M4: 1,725,013 km (0.057 R)
• M5: 2,245,165 km (0.118 R)
• M6: 2,953,511 km (0.106 R)
• M7: 3,371,637 km (0.086 R)
• M8: 3,620,568 km (0.068 R)
• M9: 4,960,366 km (0.073 R)
• M10: 7,113,977 km (0.059 R)
• M11: 7,525,371 km (0.078 R)
• M12: 8,216,364 km (0.079 R)
• M13: 9,282,847 km (0.054 R)
• M14: 9,575,610 km (0.105 R)
• M15: 13,901,681 km (0.114 R)
• M16: 14,220,774 km (0.089 R)
• M17: 14,479,578 km (0.058 R)
• M18: 23,519,927 km (0.11 R)
• M19: 24,525,075 km (0.034 R)
• M20: 24,991,371 km (0.104 R)
• M21: 27,712,407 km (0.083 R)
• M22: 28,422,399 km (0.079 R)
• M23: 28,936,866 km (0.089 R)
• M24: 38,035,259 km (0.103 R)
• M25: 39,418,740 km (0.071 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: 550 - 11,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit