🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.7

Radius: 8.7

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.55 AU - 0.61 AU

Year: 305 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,063,962 km

• M1: 108,159 km (0.119 R)
• M2: 407,654 km (0.094 R)
• M3: 853,905 km (0.072 R)
• M4: 1,213,837 km (0.076 R)
• M5: 1,569,581 km (0.032 R)
• M6: 1,890,468 km (0.059 R)
• M7: 2,255,188 km (0.095 R)
• M8: 2,611,380 km (0.12 R)
• M9: 2,885,743 km (0.102 R)
• M10: 3,482,190 km (0.12 R)
• M11: 3,887,450 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 10.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.58 AU - 0.72 AU

Year: 362 Days

Day: 7.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,063,962 km

• M1: 131,197 km (0.119 R)
• M2: 524,640 km (0.081 R)
• M3: 1,305,241 km (0.108 R)
• M4: 1,746,705 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 10.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.99 AU - 1.61 AU

Year: 1023 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,063,962 km

• M1: 133,740 km (0.07 R)
• M2: 573,857 km (0.08 R)
• M3: 917,484 km (0.111 R)
• M4: 1,568,982 km (0.093 R)
• M5: 2,050,538 km (0.094 R)
• M6: 2,390,125 km (0.101 R)
• M7: 2,742,129 km (0.119 R)
• M8: 4,080,132 km (0.054 R)
• M9: 4,678,225 km (0.095 R)
• M10: 6,160,440 km (0.025 R)
• M11: 6,663,089 km (0.117 R)
• M12: 7,292,298 km (0.085 R)
• M13: 8,174,327 km (0.086 R)
• M14: 8,981,557 km (0.113 R)
• M15: 9,419,580 km (0.082 R)
• M16: 10,181,182 km (0.055 R)
• M17: 11,049,448 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.5

Radius: 14.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.29 AU - 2.53 AU

Year: 2582 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,063,962 km

• M1: 177,872 km (0.077 R)
• M2: 812,466 km (0.091 R)
• M3: 1,331,870 km (0.078 R)
• M4: 2,206,120 km (0.117 R)
• M5: 2,803,464 km (0.098 R)
• M6: 3,738,451 km (0.062 R)
• M7: 5,656,595 km (0.119 R)
• M8: 6,288,197 km (0.107 R)
• M9: 7,453,415 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.9

Radius: 14.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.13 AU - 3.63 AU

Year: 4289 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,063,962 km

• M1: 175,329 km (0.031 R)
• M2: 646,412 km (0.107 R)
• M3: 1,269,338 km (0.105 R)
• M4: 1,833,621 km (0.096 R)
• M5: 2,300,965 km (0.1 R)
• M6: 2,797,181 km (0.083 R)
• M7: 3,404,249 km (0.061 R)
• M8: 4,612,701 km (0.109 R)
• M9: 5,743,511 km (0.093 R)
• M10: 6,389,923 km (0.068 R)
• M11: 8,220,553 km (0.028 R)
• M12: 11,431,072 km (0.118 R)
• M13: 13,695,386 km (0.082 R)
• M14: 16,417,469 km (0.075 R)
• M15: 18,904,384 km (0.077 R)
• M16: 22,265,549 km (0.034 R)
• M17: 23,200,835 km (0.071 R)
• M18: 23,641,251 km (0.068 R)
• M19: 25,381,672 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.4

Radius: 11.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.91 AU - 4.89 AU

Year: 6371 Days

Day: 9.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,063,962 km

• M1: 143,016 km (0.107 R)
• M2: 810,222 km (0.086 R)
• M3: 1,362,537 km (0.092 R)
• M4: 2,108,881 km (0.115 R)
• M5: 2,669,275 km (0.118 R)
• M6: 3,624,008 km (0.112 R)
• M7: 5,449,551 km (0.06 R)
• M8: 6,030,290 km (0.104 R)
• M9: 6,832,135 km (0.108 R)
• M10: 7,782,680 km (0.074 R)
• M11: 10,134,657 km (0.046 R)
• M12: 10,864,396 km (0.084 R)
• M13: 11,785,769 km (0.12 R)
• M14: 12,211,674 km (0.116 R)
• M15: 14,863,596 km (0.093 R)
• M16: 15,613,979 km (0.1 R)
• M17: 16,128,296 km (0.079 R)
• M18: 16,786,975 km (0.118 R)
• M19: 17,877,993 km (0.092 R)
• M20: 18,369,871 km (0.102 R)
• M21: 21,751,381 km (0.099 R)
• M22: 22,882,640 km (0.119 R)
• M23: 25,350,556 km (0.09 R)
• M24: 27,523,016 km (0.085 R)
• M25: 28,273,848 km (0.103 R)
• M26: 29,328,663 km (0.058 R)
• M27: 30,509,139 km (0.103 R)
• M28: 32,338,721 km (0.108 R)
• M29: 32,964,489 km (0.086 R)
• M30: 36,327,449 km (0.078 R)
• M31: 38,033,912 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491

Radius: 5.3

Gravity: 17.48 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.82 AU - 6.04 AU

Year: 9968 Days

Day: 24.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,063,962 km

• M1: 65,973 km (0.054 R)
• M2: 315,203 km (0.118 R)
• M3: 1,044,941 km (0.115 R)
• M4: 1,533,079 km (0.116 R)
• M5: 1,867,131 km (0.1 R)
• M6: 2,076,568 km (0.077 R)
• M7: 3,033,097 km (0.097 R)
• M8: 3,463,939 km (0.043 R)
• M9: 3,857,531 km (0.091 R)
• M10: 4,531,619 km (0.074 R)
• M11: 4,911,597 km (0.055 R)
• M12: 5,155,891 km (0.116 R)
• M13: 5,472,589 km (0.098 R)
• M14: 6,250,349 km (0.094 R)
• M15: 6,610,580 km (0.088 R)
• M16: 6,908,579 km (0.053 R)
• M17: 7,774,452 km (0.093 R)
• M18: 11,060,967 km (0.111 R)
• M19: 11,534,295 km (0.104 R)
• M20: 12,748,282 km (0.108 R)
• M21: 13,623,280 km (0.105 R)
• M22: 15,298,028 km (0.078 R)
• M23: 16,018,192 km (0.118 R)
• M24: 16,555,847 km (0.107 R)
• M25: 16,897,827 km (0.072 R)
• M26: 18,168,661 km (0.085 R)
• M27: 18,975,742 km (0.097 R)
• M28: 19,960,245 km (0.11 R)
• M29: 22,030,381 km (0.117 R)
• M30: 29,690,540 km (0.043 R)
• M31: 38,831,718 km (0.103 R)
• M32: 40,786,064 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.6

Radius: 3.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.86 AU - 6.34 AU

Year: 10399 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,063,962 km

• M1: 38,596 km (0.108 R)
• M2: 457,769 km (0.102 R)
• M3: 676,930 km (0.113 R)
• M4: 1,880,744 km (0.115 R)
• M5: 2,393,716 km (0.056 R)
• M6: 2,831,439 km (0.081 R)
• M7: 3,284,870 km (0.098 R)
• M8: 8,148,446 km (0.082 R)
• M9: 9,303,791 km (0.049 R)
• M10: 11,560,026 km (0.12 R)
• M11: 18,709,308 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.8

Radius: 3.2

Gravity: 84.94 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.94 AU - 7.44 AU

Year: 10630 Days

Day: 24.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,063,962 km

• M1: 40,391 km (0.097 R)
• M2: 278,102 km (0.075 R)
• M3: 393,143 km (0.055 R)
• M4: 607,218 km (0.072 R)
• M5: 796,010 km (0.104 R)
• M6: 1,033,871 km (0.077 R)
• M7: 1,527,843 km (0.041 R)
• M8: 4,245,887 km (0.096 R)
• M9: 6,051,832 km (0.12 R)
• M10: 7,164,092 km (0.115 R)
• M11: 7,419,007 km (0.065 R)
• M12: 8,785,135 km (0.095 R)
• M13: 10,911,070 km (0.097 R)
• M14: 12,915,233 km (0.101 R)
• M15: 13,420,126 km (0.088 R)
• M16: 15,151,721 km (0.087 R)
• M17: 17,787,187 km (0.105 R)
• M18: 21,229,284 km (0.07 R)
• M19: 25,578,543 km (0.108 R)
• M20: 30,596,355 km (0.077 R)
• M21: 40,216,396 km (0.066 R)
• M22: 40,885,248 km (0.112 R)
• M23: 43,634,857 km (0.091 R)
• M24: 47,241,960 km (0.045 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 16,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit