🌌 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: 662.4

Radius: 9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.6 AU - 0.94 AU

Year: 458 Days

Day: 7.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 67.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,133,636 km

• M1: 111,899 km (0.112 R)
• M2: 408,851 km (0.104 R)
• M3: 944,860 km (0.073 R)
• M4: 1,710,652 km (0.037 R)
• M5: 2,129,376 km (0.043 R)
• M6: 2,727,468 km (0.097 R)
• M7: 3,071,843 km (0.117 R)
• M8: 3,796,944 km (0.11 R)
• M9: 5,399,885 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 13.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.73 AU - 0.95 AU

Year: 522 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,133,636 km

• M1: 169,195 km (0.106 R)
• M2: 749,336 km (0.104 R)
• M3: 1,397,992 km (0.115 R)
• M4: 2,036,775 km (0.077 R)
• M5: 2,663,889 km (0.113 R)
• M6: 3,222,189 km (0.077 R)
• M7: 3,794,849 km (0.041 R)
• M8: 4,519,800 km (0.112 R)
• M9: 5,068,675 km (0.088 R)
• M10: 5,628,470 km (0.116 R)

Asteroid Belt

Center: 1.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.5

Radius: 14.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.16 AU - 1.6 AU

Year: 1100 Days

Day: 5.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,133,636 km

• M1: 180,415 km (0.058 R)
• M2: 664,963 km (0.086 R)
• M3: 1,187,957 km (0.119 R)
• M4: 1,774,231 km (0.11 R)
• M5: 2,255,637 km (0.073 R)
• M6: 2,787,008 km (0.104 R)
• M7: 3,243,581 km (0.073 R)
• M8: 4,521,745 km (0.1 R)
• M9: 5,177,582 km (0.096 R)
• M10: 6,004,260 km (0.113 R)
• M11: 6,704,229 km (0.079 R)
• M12: 7,816,938 km (0.068 R)
• M13: 8,349,506 km (0.057 R)
• M14: 8,877,886 km (0.084 R)
• M15: 10,792,140 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.2

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.5 AU - 1.5 AU

Year: 1246 Days

Day: 13.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,133,636 km

• M1: 160,369 km (0.115 R)
• M2: 587,022 km (0.069 R)
• M3: 1,127,519 km (0.12 R)
• M4: 1,669,512 km (0.115 R)
• M5: 2,239,031 km (0.118 R)
• M6: 2,976,100 km (0.084 R)
• M7: 3,742,789 km (0.087 R)
• M8: 4,182,008 km (0.042 R)
• M9: 4,692,287 km (0.082 R)
• M10: 6,779,327 km (0.089 R)
• M11: 7,896,972 km (0.056 R)
• M12: 8,322,728 km (0.082 R)
• M13: 9,047,380 km (0.097 R)
• M14: 10,058,213 km (0.1 R)
• M15: 10,751,449 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.2

Radius: 13.2

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.34 AU - 1.74 AU

Year: 1296 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,133,636 km

• M1: 164,258 km (0.105 R)
• M2: 618,288 km (0.101 R)
• M3: 1,251,985 km (0.117 R)
• M4: 1,852,919 km (0.085 R)
• M5: 2,445,476 km (0.081 R)
• M6: 2,862,555 km (0.045 R)
• M7: 4,112,595 km (0.065 R)
• M8: 5,055,361 km (0.098 R)
• M9: 5,598,252 km (0.115 R)
• M10: 6,620,155 km (0.05 R)
• M11: 7,319,525 km (0.106 R)
• M12: 7,812,898 km (0.084 R)
• M13: 9,172,294 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.2

Radius: 13.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.03 AU - 4.75 AU

Year: 5204 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,133,636 km

• M1: 169,195 km (0.117 R)
• M2: 765,343 km (0.084 R)
• M3: 1,482,515 km (0.089 R)
• M4: 2,037,373 km (0.089 R)
• M5: 2,482,876 km (0.101 R)
• M6: 2,916,710 km (0.113 R)
• M7: 3,380,463 km (0.048 R)
• M8: 6,524,711 km (0.118 R)
• M9: 7,110,387 km (0.073 R)
• M10: 7,958,756 km (0.094 R)
• M11: 9,507,094 km (0.108 R)
• M12: 12,296,945 km (0.096 R)
• M13: 14,075,813 km (0.087 R)
• M14: 15,413,218 km (0.116 R)
• M15: 16,833,650 km (0.095 R)
• M16: 20,582,423 km (0.105 R)
• M17: 27,595,571 km (0.045 R)
• M18: 28,311,098 km (0.119 R)
• M19: 31,008,647 km (0.058 R)
• M20: 33,569,164 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.9

Radius: 9.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.33 AU - 4.95 AU

Year: 5713 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,133,636 km

• M1: 121,922 km (0.092 R)
• M2: 662,719 km (0.072 R)
• M3: 988,992 km (0.047 R)
• M4: 1,382,135 km (0.115 R)
• M5: 1,773,184 km (0.058 R)
• M6: 2,222,725 km (0.102 R)
• M7: 4,230,927 km (0.102 R)
• M8: 4,547,476 km (0.057 R)
• M9: 5,423,222 km (0.086 R)
• M10: 5,916,297 km (0.044 R)
• M11: 6,598,463 km (0.052 R)
• M12: 8,922,466 km (0.055 R)
• M13: 14,285,849 km (0.105 R)
• M14: 14,834,723 km (0.106 R)
• M15: 16,328,009 km (0.073 R)
• M16: 17,418,727 km (0.112 R)
• M17: 18,622,242 km (0.085 R)
• M18: 20,357,577 km (0.077 R)
• M19: 24,534,799 km (0.109 R)
• M20: 25,481,753 km (0.079 R)
• M21: 25,883,424 km (0.092 R)
• M22: 29,426,350 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.8

Radius: 11.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.23 AU - 4.45 AU

Year: 6132 Days

Day: 13.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 156.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,133,636 km

• M1: 138,079 km (0.102 R)
• M2: 509,830 km (0.081 R)
• M3: 869,463 km (0.104 R)
• M4: 1,319,902 km (0.088 R)
• M5: 1,708,856 km (0.091 R)
• M6: 2,329,388 km (0.115 R)
• M7: 2,757,238 km (0.117 R)
• M8: 3,310,750 km (0.103 R)
• M9: 3,753,261 km (0.08 R)
• M10: 4,213,424 km (0.09 R)
• M11: 4,925,659 km (0.106 R)
• M12: 5,636,249 km (0.093 R)
• M13: 5,988,852 km (0.073 R)
• M14: 6,950,915 km (0.068 R)
• M15: 9,631,410 km (0.12 R)
• M16: 11,075,179 km (0.068 R)
• M17: 12,429,937 km (0.05 R)
• M18: 14,138,345 km (0.114 R)
• M19: 16,052,151 km (0.087 R)
• M20: 20,134,976 km (0.108 R)
• M21: 21,221,954 km (0.083 R)
• M22: 22,079,299 km (0.035 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.2

Radius: 6.5

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.07 AU - 8.71 AU

Year: 16483 Days

Day: 24 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,133,636 km

• M1: 84,523 km (0.095 R)
• M2: 395,537 km (0.056 R)
• M3: 1,088,175 km (0.048 R)
• M4: 1,306,139 km (0.115 R)
• M5: 2,182,334 km (0.087 R)
• M6: 2,620,955 km (0.119 R)
• M7: 2,896,963 km (0.106 R)
• M8: 4,515,163 km (0.107 R)
• M9: 6,049,289 km (0.061 R)
• M10: 6,742,077 km (0.06 R)
• M11: 7,996,455 km (0.077 R)
• M12: 8,880,578 km (0.098 R)
• M13: 9,665,818 km (0.069 R)
• M14: 10,383,139 km (0.098 R)
• M15: 10,668,273 km (0.092 R)
• M16: 11,494,352 km (0.093 R)
• M17: 14,298,265 km (0.11 R)
• M18: 15,082,757 km (0.051 R)
• M19: 16,504,684 km (0.066 R)
• M20: 16,737,010 km (0.065 R)
• M21: 17,527,485 km (0.055 R)
• M22: 18,508,697 km (0.105 R)
• M23: 21,671,496 km (0.109 R)
• M24: 27,712,856 km (0.111 R)
• M25: 34,031,122 km (0.092 R)
• M26: 35,041,955 km (0.097 R)
• M27: 36,727,175 km (0.065 R)
• M28: 45,815,993 km (0.094 R)
• M29: 46,275,409 km (0.098 R)
• M30: 46,892,649 km (0.069 R)
• M31: 47,986,060 km (0.092 R)
• M32: 49,256,445 km (0.1 R)
• M33: 49,577,482 km (0.071 R)
• M34: 50,061,731 km (0.071 R)
• M35: 51,698,481 km (0.11 R)
• M36: 55,597,899 km (0.077 R)
• M37: 58,963,552 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.1

Radius: 4.4

Gravity: 32.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.97 AU - 12.79 AU

Year: 22682 Days

Day: 15.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,133,636 km

• M1: 69,563 km (0.12 R)
• M2: 207,343 km (0.1 R)
• M3: 376,538 km (0.083 R)
• M4: 545,434 km (0.063 R)
• M5: 919,129 km (0.096 R)
• M6: 1,812,677 km (0.036 R)
• M7: 1,967,661 km (0.072 R)
• M8: 2,131,470 km (0.032 R)
• M9: 4,379,777 km (0.101 R)
• M10: 4,804,934 km (0.115 R)
• M11: 5,987,655 km (0.12 R)
• M12: 6,829,741 km (0.06 R)
• M13: 7,016,589 km (0.075 R)
• M14: 7,449,675 km (0.118 R)
• M15: 7,900,264 km (0.086 R)
• M16: 8,263,038 km (0.051 R)
• M17: 8,800,544 km (0.048 R)
• M18: 10,367,880 km (0.075 R)
• M19: 10,865,892 km (0.09 R)
• M20: 17,179,371 km (0.093 R)
• M21: 17,787,785 km (0.088 R)
• M22: 19,047,549 km (0.038 R)
• M23: 20,753,114 km (0.115 R)
• M24: 22,868,428 km (0.062 R)
• M25: 23,604,300 km (0.117 R)
• M26: 24,139,561 km (0.092 R)
• M27: 24,355,880 km (0.099 R)
• M28: 32,768,366 km (0.114 R)
• M29: 33,568,416 km (0.035 R)
• M30: 43,404,925 km (0.092 R)
• M31: 44,369,382 km (0.113 R)
• M32: 48,370,377 km (0.069 R)
• M33: 54,812,510 km (0.071 R)
• M34: 55,186,355 km (0.099 R)
• M35: 57,657,263 km (0.096 R)
• M36: 59,214,128 km (0.081 R)
• M37: 68,064,039 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 15,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit