🌌 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: 920

Radius: 8

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.65 AU - 0.89 AU

Year: 430 Days

Day: 5.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,901,623 km

• M1: 99,483 km (0.111 R)
• M2: 366,365 km (0.095 R)
• M3: 823,686 km (0.108 R)
• M4: 1,221,317 km (0.111 R)
• M5: 1,472,342 km (0.074 R)
• M6: 1,910,963 km (0.119 R)
• M7: 2,179,641 km (0.092 R)
• M8: 2,804,960 km (0.12 R)
• M9: 3,481,591 km (0.079 R)
• M10: 3,831,650 km (0.115 R)
• M11: 4,205,047 km (0.113 R)
• M12: 4,944,808 km (0.071 R)
• M13: 5,204,211 km (0.075 R)
• M14: 5,680,381 km (0.036 R)
• M15: 6,448,715 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.9

Radius: 11.5

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.68 AU - 1.08 AU

Year: 525 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,901,623 km

• M1: 145,110 km (0.05 R)
• M2: 503,397 km (0.101 R)
• M3: 910,303 km (0.117 R)
• M4: 1,392,307 km (0.083 R)
• M5: 2,034,232 km (0.102 R)
• M6: 2,490,206 km (0.096 R)
• M7: 2,865,248 km (0.085 R)
• M8: 3,744,584 km (0.056 R)
• M9: 4,496,463 km (0.093 R)
• M10: 5,040,850 km (0.039 R)
• M11: 5,664,673 km (0.067 R)
• M12: 6,032,983 km (0.113 R)
• M13: 6,575,724 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.9

Radius: 9.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.15 AU - 1.59 AU

Year: 1020 Days

Day: 8.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,901,623 km

• M1: 115,639 km (0.071 R)
• M2: 780,153 km (0.098 R)
• M3: 1,075,908 km (0.111 R)
• M4: 1,639,144 km (0.071 R)
• M5: 1,958,236 km (0.038 R)
• M6: 2,318,917 km (0.092 R)
• M7: 2,615,868 km (0.12 R)
• M8: 3,031,750 km (0.063 R)
• M9: 3,375,377 km (0.051 R)
• M10: 3,883,561 km (0.11 R)
• M11: 4,185,898 km (0.117 R)
• M12: 4,740,906 km (0.115 R)
• M13: 5,682,774 km (0.108 R)
• M14: 6,383,341 km (0.112 R)
• M15: 7,055,784 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925

Radius: 14.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.89 AU - 2.99 AU

Year: 2423 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,901,623 km

• M1: 177,872 km (0.098 R)
• M2: 712,684 km (0.104 R)
• M3: 1,162,525 km (0.048 R)
• M4: 1,647,521 km (0.071 R)
• M5: 2,449,815 km (0.045 R)
• M6: 2,982,682 km (0.091 R)
• M7: 3,611,741 km (0.068 R)
• M8: 4,654,139 km (0.065 R)
• M9: 5,331,519 km (0.101 R)
• M10: 6,345,642 km (0.087 R)
• M11: 6,826,450 km (0.087 R)
• M12: 9,282,099 km (0.066 R)
• M13: 11,475,653 km (0.12 R)
• M14: 11,935,816 km (0.108 R)
• M15: 14,090,474 km (0.11 R)
• M16: 14,912,514 km (0.113 R)
• M17: 16,283,429 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 9.5

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.72 AU - 6.12 AU

Year: 6939 Days

Day: 13.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,901,623 km

• M1: 118,182 km (0.072 R)
• M2: 434,731 km (0.115 R)
• M3: 1,252,134 km (0.083 R)
• M4: 2,670,023 km (0.084 R)
• M5: 3,846,012 km (0.032 R)
• M6: 5,461,070 km (0.075 R)
• M7: 6,281,016 km (0.077 R)
• M8: 6,810,892 km (0.028 R)
• M9: 7,524,773 km (0.057 R)
• M10: 8,496,710 km (0.094 R)
• M11: 10,299,514 km (0.034 R)
• M12: 12,507,280 km (0.096 R)
• M13: 14,044,846 km (0.093 R)
• M14: 14,342,845 km (0.116 R)
• M15: 15,832,391 km (0.059 R)
• M16: 16,351,197 km (0.051 R)
• M17: 18,256,475 km (0.091 R)
• M18: 18,611,621 km (0.093 R)
• M19: 24,166,339 km (0.104 R)
• M20: 27,830,440 km (0.036 R)
• M21: 28,206,529 km (0.108 R)
• M22: 33,410,889 km (0.114 R)
• M23: 37,480,999 km (0.115 R)
• M24: 38,170,794 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.2

Radius: 5.7

Gravity: 22.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.75 AU - 8.23 AU

Year: 11750 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,901,623 km

• M1: 70,909 km (0.061 R)
• M2: 289,023 km (0.112 R)
• M3: 731,234 km (0.074 R)
• M4: 1,163,123 km (0.06 R)
• M5: 1,672,205 km (0.109 R)
• M6: 2,003,714 km (0.059 R)
• M7: 2,667,180 km (0.098 R)
• M8: 3,216,803 km (0.075 R)
• M9: 4,538,650 km (0.066 R)
• M10: 5,634,604 km (0.06 R)
• M11: 8,243,441 km (0.036 R)
• M12: 10,122,690 km (0.079 R)
• M13: 13,642,877 km (0.074 R)
• M14: 17,516,863 km (0.11 R)
• M15: 22,695,643 km (0.105 R)
• M16: 24,086,155 km (0.08 R)
• M17: 24,754,109 km (0.117 R)
• M18: 27,343,349 km (0.116 R)
• M19: 29,130,445 km (0.106 R)
• M20: 41,378,921 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.3

Radius: 5.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.9 AU - 8.6 AU

Year: 13718 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,901,623 km

• M1: 73,153 km (0.092 R)
• M2: 270,323 km (0.118 R)
• M3: 758,461 km (0.061 R)
• M4: 1,095,056 km (0.099 R)
• M5: 1,339,200 km (0.08 R)
• M6: 3,107,447 km (0.062 R)
• M7: 3,647,645 km (0.027 R)
• M8: 5,030,079 km (0.081 R)
• M9: 6,693,458 km (0.116 R)
• M10: 8,994,572 km (0.111 R)
• M11: 15,770,308 km (0.039 R)
• M12: 17,212,731 km (0.102 R)
• M13: 23,198,890 km (0.105 R)
• M14: 23,948,525 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.7

Radius: 3.9

Gravity: 27.46 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.48 AU - 8.86 AU

Year: 14848 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,901,623 km

• M1: 49,966 km (0.092 R)
• M2: 175,628 km (0.047 R)
• M3: 299,046 km (0.096 R)
• M4: 524,191 km (0.06 R)
• M5: 894,296 km (0.06 R)
• M6: 1,259,165 km (0.116 R)
• M7: 1,447,210 km (0.032 R)
• M8: 1,829,582 km (0.039 R)
• M9: 2,413,163 km (0.064 R)
• M10: 3,507,771 km (0.088 R)
• M11: 3,826,115 km (0.095 R)
• M12: 5,967,010 km (0.027 R)
• M13: 6,190,809 km (0.111 R)
• M14: 6,343,099 km (0.047 R)
• M15: 9,631,859 km (0.108 R)
• M16: 11,521,878 km (0.051 R)
• M17: 13,264,245 km (0.12 R)
• M18: 15,174,610 km (0.107 R)
• M19: 18,726,512 km (0.101 R)
• M20: 21,639,930 km (0.072 R)
• M21: 22,435,193 km (0.105 R)
• M22: 22,704,618 km (0.076 R)
• M23: 25,517,956 km (0.066 R)
• M24: 26,107,222 km (0.118 R)
• M25: 27,312,831 km (0.068 R)
• M26: 27,929,324 km (0.09 R)
• M27: 31,486,761 km (0.094 R)
• M28: 32,851,842 km (0.076 R)
• M29: 35,213,693 km (0.094 R)
• M30: 36,808,257 km (0.113 R)
• M31: 37,182,850 km (0.12 R)
• M32: 38,194,431 km (0.081 R)
• M33: 39,484,413 km (0.089 R)
• M34: 41,338,978 km (0.092 R)
• M35: 46,227,537 km (0.12 R)
• M36: 46,809,623 km (0.076 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 17,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit