🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 14.1

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.08 AU - 1.16 AU

Year: 833 Days

Day: 8 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,451,380 km

• M1: 175,329 km (0.104 R)
• M2: 759,808 km (0.09 R)
• M3: 1,355,806 km (0.101 R)
• M4: 2,234,543 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.2

Radius: 14.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.64 AU - 2.32 AU

Year: 1958 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,451,380 km

• M1: 185,352 km (0.109 R)
• M2: 1,031,627 km (0.099 R)
• M3: 1,805,048 km (0.087 R)
• M4: 2,417,502 km (0.065 R)
• M5: 2,905,939 km (0.074 R)
• M6: 3,536,942 km (0.081 R)
• M7: 4,901,873 km (0.114 R)
• M8: 5,588,228 km (0.114 R)
• M9: 6,500,476 km (0.098 R)
• M10: 7,588,053 km (0.071 R)
• M11: 10,803,958 km (0.053 R)
• M12: 11,653,525 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 8.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.86 AU - 5.68 AU

Year: 7323 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,451,380 km

• M1: 109,506 km (0.089 R)
• M2: 512,074 km (0.098 R)
• M3: 1,549,086 km (0.096 R)
• M4: 3,413,823 km (0.116 R)
• M5: 3,799,487 km (0.065 R)
• M6: 5,713,143 km (0.106 R)
• M7: 6,131,418 km (0.073 R)
• M8: 8,225,639 km (0.057 R)
• M9: 14,338,806 km (0.038 R)
• M10: 16,300,034 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.5

Radius: 7.2

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.97 AU - 6.29 AU

Year: 9390 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,451,380 km

• M1: 89,609 km (0.119 R)
• M2: 346,618 km (0.115 R)
• M3: 688,898 km (0.047 R)
• M4: 986,897 km (0.104 R)
• M5: 1,357,900 km (0.102 R)
• M6: 1,683,724 km (0.068 R)
• M7: 2,899,356 km (0.107 R)
• M8: 3,231,912 km (0.077 R)
• M9: 3,540,383 km (0.092 R)
• M10: 5,037,858 km (0.026 R)
• M11: 5,996,331 km (0.049 R)
• M12: 6,280,867 km (0.097 R)
• M13: 6,574,527 km (0.105 R)
• M14: 7,674,969 km (0.091 R)
• M15: 9,888,419 km (0.106 R)
• M16: 12,380,720 km (0.087 R)
• M17: 12,726,440 km (0.046 R)
• M18: 15,594,232 km (0.1 R)
• M19: 16,895,135 km (0.094 R)
• M20: 17,680,524 km (0.063 R)
• M21: 20,262,134 km (0.084 R)
• M22: 23,873,427 km (0.101 R)
• M23: 25,320,038 km (0.054 R)
• M24: 27,016,179 km (0.049 R)
• M25: 30,528,587 km (0.049 R)
• M26: 30,843,042 km (0.12 R)
• M27: 31,159,740 km (0.101 R)
• M28: 31,799,571 km (0.12 R)
• M29: 34,446,855 km (0.093 R)
• M30: 35,016,374 km (0.113 R)
• M31: 35,707,965 km (0.101 R)
• M32: 37,237,603 km (0.095 R)
• M33: 38,933,295 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.3

Radius: 6.5

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.52 AU - 6.34 AU

Year: 10151 Days

Day: 22.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,451,380 km

• M1: 80,932 km (0.119 R)
• M2: 293,062 km (0.044 R)
• M3: 552,914 km (0.111 R)
• M4: 1,203,814 km (0.059 R)
• M5: 1,438,384 km (0.105 R)
• M6: 1,968,409 km (0.114 R)
• M7: 2,389,078 km (0.091 R)
• M8: 3,108,045 km (0.105 R)
• M9: 3,529,911 km (0.082 R)
• M10: 3,780,338 km (0.08 R)
• M11: 4,178,269 km (0.076 R)
• M12: 4,458,765 km (0.086 R)
• M13: 5,442,071 km (0.048 R)
• M14: 6,414,607 km (0.056 R)
• M15: 9,439,775 km (0.087 R)
• M16: 11,046,756 km (0.08 R)
• M17: 11,529,657 km (0.042 R)
• M18: 11,914,872 km (0.087 R)
• M19: 14,472,696 km (0.113 R)
• M20: 16,321,876 km (0.089 R)
• M21: 18,027,591 km (0.095 R)
• M22: 18,696,742 km (0.119 R)
• M23: 26,420,330 km (0.082 R)
• M24: 28,363,457 km (0.088 R)
• M25: 29,268,225 km (0.061 R)
• M26: 36,498,888 km (0.045 R)
• M27: 36,853,286 km (0.117 R)
• M28: 40,523,819 km (0.099 R)
• M29: 41,670,786 km (0.092 R)
• M30: 43,233,485 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.9

Radius: 5.6

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.3 AU - 9.3 AU

Year: 15313 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,451,380 km

• M1: 69,713 km (0.108 R)
• M2: 285,732 km (0.036 R)
• M3: 522,097 km (0.064 R)
• M4: 699,819 km (0.042 R)
• M5: 1,208,900 km (0.078 R)
• M6: 2,854,028 km (0.107 R)
• M7: 3,689,532 km (0.084 R)
• M8: 4,001,294 km (0.025 R)
• M9: 4,178,717 km (0.077 R)
• M10: 4,423,310 km (0.036 R)
• M11: 5,285,143 km (0.096 R)
• M12: 5,830,427 km (0.066 R)
• M13: 6,574,228 km (0.063 R)
• M14: 9,970,399 km (0.064 R)
• M15: 12,101,869 km (0.08 R)
• M16: 12,981,954 km (0.09 R)
• M17: 13,371,806 km (0.12 R)
• M18: 13,569,724 km (0.079 R)
• M19: 14,039,012 km (0.055 R)
• M20: 15,951,172 km (0.115 R)
• M21: 18,844,096 km (0.119 R)
• M22: 19,428,126 km (0.064 R)
• M23: 22,437,736 km (0.109 R)
• M24: 24,542,279 km (0.073 R)
• M25: 30,145,766 km (0.104 R)
• M26: 30,600,244 km (0.111 R)
• M27: 32,227,271 km (0.04 R)
• M28: 33,424,054 km (0.107 R)
• M29: 36,932,274 km (0.112 R)
• M30: 37,452,725 km (0.094 R)
• M31: 43,071,920 km (0.117 R)
• M32: 45,112,435 km (0.053 R)
• M33: 46,760,106 km (0.071 R)
• M34: 51,295,763 km (0.084 R)
• M35: 52,106,285 km (0.09 R)
• M36: 53,420,801 km (0.115 R)
• M37: 56,115,956 km (0.061 R)
• M38: 57,671,176 km (0.117 R)

Asteroid Belt

Center: 8.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.3

Radius: 5.2

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.68 AU - 9.4 AU

Year: 19106 Days

Day: 20.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,451,380 km

• M1: 64,776 km (0.103 R)
• M2: 363,672 km (0.067 R)
• M3: 578,345 km (0.091 R)
• M4: 908,508 km (0.113 R)
• M5: 1,342,491 km (0.111 R)
• M6: 1,696,141 km (0.036 R)
• M7: 2,392,968 km (0.092 R)
• M8: 2,610,333 km (0.093 R)
• M9: 3,085,157 km (0.092 R)
• M10: 3,343,064 km (0.081 R)
• M11: 4,554,657 km (0.113 R)
• M12: 4,958,421 km (0.086 R)
• M13: 5,312,968 km (0.088 R)
• M14: 7,664,348 km (0.111 R)
• M15: 8,732,327 km (0.082 R)
• M16: 9,515,023 km (0.102 R)
• M17: 10,006,602 km (0.114 R)
• M18: 10,804,706 km (0.056 R)
• M19: 12,786,579 km (0.053 R)
• M20: 13,183,462 km (0.108 R)
• M21: 19,897,714 km (0.1 R)
• M22: 28,025,964 km (0.111 R)
• M23: 29,949,793 km (0.106 R)
• M24: 36,509,809 km (0.112 R)
• M25: 38,253,522 km (0.076 R)
• M26: 38,663,719 km (0.084 R)
• M27: 54,073,497 km (0.104 R)
• M28: 61,047,749 km (0.058 R)
• M29: 63,308,472 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.5

Radius: 3

Gravity: 33.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.95 AU - 12.53 AU

Year: 23033 Days

Day: 21.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 63,451,380 km

• M1: 37,399 km (0.082 R)
• M2: 278,102 km (0.038 R)
• M3: 377,136 km (0.046 R)
• M4: 522,097 km (0.071 R)
• M5: 676,332 km (0.036 R)
• M6: 1,299,407 km (0.113 R)
• M7: 1,681,929 km (0.084 R)
• M8: 1,783,955 km (0.11 R)
• M9: 2,076,568 km (0.101 R)
• M10: 2,214,198 km (0.044 R)
• M11: 2,573,981 km (0.094 R)
• M12: 2,756,191 km (0.117 R)
• M13: 3,070,496 km (0.089 R)
• M14: 3,770,166 km (0.118 R)
• M15: 3,945,494 km (0.09 R)
• M16: 4,218,810 km (0.1 R)
• M17: 4,472,079 km (0.119 R)
• M18: 5,365,776 km (0.116 R)
• M19: 6,010,693 km (0.067 R)
• M20: 7,006,715 km (0.034 R)
• M21: 7,635,775 km (0.071 R)
• M22: 8,011,714 km (0.087 R)
• M23: 8,648,702 km (0.094 R)
• M24: 8,800,394 km (0.057 R)
• M25: 11,967,530 km (0.119 R)
• M26: 13,941,175 km (0.036 R)
• M27: 16,045,269 km (0.045 R)
• M28: 23,411,917 km (0.099 R)
• M29: 26,790,136 km (0.102 R)
• M30: 28,987,879 km (0.113 R)
• M31: 29,100,825 km (0.1 R)
• M32: 29,899,678 km (0.111 R)
• M33: 33,241,395 km (0.094 R)
• M34: 35,001,863 km (0.094 R)
• M35: 37,355,187 km (0.113 R)
• M36: 38,162,566 km (0.117 R)
• M37: 39,119,095 km (0.088 R)
• M38: 40,091,481 km (0.113 R)
• M39: 41,508,323 km (0.064 R)
• M40: 44,291,741 km (0.105 R)
• M41: 51,872,014 km (0.083 R)
• M42: 57,023,268 km (0.041 R)
• M43: 60,271,935 km (0.118 R)
• M44: 61,010,200 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 15,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit