🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 14.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.01 AU

Year: 513 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,259,616 km

• M1: 185,352 km (0.096 R)
• M2: 723,156 km (0.085 R)
• M3: 1,698,983 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.7

Radius: 14.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.78 AU - 1.24 AU

Year: 701 Days

Day: 5.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,259,616 km

• M1: 182,958 km (0.095 R)
• M2: 659,278 km (0.064 R)
• M3: 1,226,703 km (0.101 R)
• M4: 1,892,563 km (0.061 R)
• M5: 2,634,419 km (0.102 R)
• M6: 3,190,923 km (0.065 R)
• M7: 3,775,102 km (0.108 R)
• M8: 4,346,117 km (0.081 R)
• M9: 5,867,079 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542

Radius: 9.5

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.97 AU - 1.39 AU

Year: 885 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,259,616 km

• M1: 118,332 km (0.097 R)
• M2: 447,597 km (0.086 R)
• M3: 925,412 km (0.113 R)
• M4: 1,304,344 km (0.116 R)
• M5: 1,618,948 km (0.049 R)
• M6: 2,012,839 km (0.1 R)
• M7: 2,558,722 km (0.073 R)
• M8: 3,213,362 km (0.025 R)
• M9: 3,855,736 km (0.08 R)
• M10: 4,716,522 km (0.11 R)
• M11: 5,642,084 km (0.096 R)
• M12: 6,036,573 km (0.099 R)
• M13: 6,576,771 km (0.055 R)
• M14: 6,902,895 km (0.117 R)
• M15: 7,849,999 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 13.5

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.1 AU - 1.3 AU

Year: 907 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,259,616 km

• M1: 167,849 km (0.108 R)
• M2: 698,173 km (0.099 R)
• M3: 1,124,677 km (0.069 R)
• M4: 1,761,066 km (0.109 R)
• M5: 2,201,333 km (0.075 R)
• M6: 2,892,325 km (0.108 R)
• M7: 3,382,557 km (0.027 R)
• M8: 4,222,699 km (0.119 R)
• M9: 5,822,648 km (0.09 R)
• M10: 7,618,571 km (0.094 R)
• M11: 8,159,816 km (0.103 R)
• M12: 9,611,364 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 11.4

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.3 AU - 1.62 AU

Year: 1218 Days

Day: 13.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,259,616 km

• M1: 161,566 km (0.079 R)
• M2: 672,742 km (0.054 R)
• M3: 1,037,012 km (0.091 R)
• M4: 1,469,799 km (0.118 R)
• M5: 2,055,475 km (0.057 R)
• M6: 3,170,727 km (0.1 R)
• M7: 4,155,679 km (0.082 R)
• M8: 5,546,491 km (0.079 R)
• M9: 5,921,383 km (0.104 R)
• M10: 8,453,327 km (0.063 R)
• M11: 8,951,338 km (0.03 R)
• M12: 9,877,947 km (0.069 R)
• M13: 10,463,922 km (0.095 R)
• M14: 10,833,279 km (0.101 R)
• M15: 11,316,032 km (0.08 R)
• M16: 12,067,163 km (0.119 R)
• M17: 12,775,060 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 14.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.49 AU - 3.89 AU

Year: 3933 Days

Day: 5.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,259,616 km

• M1: 185,651 km (0.1 R)
• M2: 711,936 km (0.11 R)
• M3: 1,198,877 km (0.033 R)
• M4: 2,695,454 km (0.06 R)
• M5: 3,317,632 km (0.114 R)
• M6: 4,289,270 km (0.107 R)
• M7: 5,997,827 km (0.087 R)
• M8: 6,619,107 km (0.097 R)
• M9: 7,408,535 km (0.079 R)
• M10: 8,922,915 km (0.077 R)
• M11: 11,044,212 km (0.096 R)
• M12: 11,806,414 km (0.037 R)
• M13: 12,378,625 km (0.082 R)
• M14: 13,015,464 km (0.114 R)
• M15: 14,011,636 km (0.068 R)
• M16: 14,956,346 km (0.106 R)
• M17: 18,866,236 km (0.089 R)
• M18: 20,329,154 km (0.064 R)
• M19: 22,196,285 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.2

Radius: 8.7

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.08 AU - 3.6 AU

Year: 4213 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,259,616 km

• M1: 108,309 km (0.107 R)
• M2: 557,252 km (0.068 R)
• M3: 920,775 km (0.1 R)
• M4: 1,198,578 km (0.101 R)
• M5: 1,667,119 km (0.112 R)
• M6: 2,734,051 km (0.068 R)
• M7: 3,143,051 km (0.082 R)
• M8: 3,465,883 km (0.092 R)
• M9: 3,766,426 km (0.113 R)
• M10: 4,594,899 km (0.091 R)
• M11: 5,229,942 km (0.056 R)
• M12: 6,290,590 km (0.084 R)
• M13: 8,104,165 km (0.093 R)
• M14: 9,191,443 km (0.115 R)
• M15: 11,046,008 km (0.088 R)
• M16: 11,463,685 km (0.057 R)
• M17: 11,748,070 km (0.051 R)
• M18: 12,036,944 km (0.096 R)
• M19: 14,522,812 km (0.117 R)
• M20: 16,180,057 km (0.068 R)
• M21: 17,331,961 km (0.117 R)
• M22: 17,832,964 km (0.087 R)
• M23: 20,763,137 km (0.09 R)
• M24: 21,044,531 km (0.088 R)
• M25: 22,122,234 km (0.098 R)
• M26: 22,563,398 km (0.112 R)
• M27: 25,335,297 km (0.097 R)
• M28: 28,585,760 km (0.068 R)
• M29: 29,285,279 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.6

Radius: 6.2

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.17 AU - 6.93 AU

Year: 9025 Days

Day: 18.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,259,616 km

• M1: 77,043 km (0.081 R)
• M2: 305,928 km (0.057 R)
• M3: 680,072 km (0.104 R)
• M4: 879,785 km (0.116 R)
• M5: 1,140,085 km (0.083 R)
• M6: 2,491,852 km (0.072 R)
• M7: 3,060,772 km (0.071 R)
• M8: 3,478,001 km (0.114 R)
• M9: 3,784,826 km (0.111 R)
• M10: 5,136,592 km (0.112 R)
• M11: 6,187,966 km (0.107 R)
• M12: 8,665,905 km (0.089 R)
• M13: 9,865,830 km (0.037 R)
• M14: 10,194,197 km (0.084 R)
• M15: 10,481,425 km (0.101 R)
• M16: 11,021,922 km (0.087 R)
• M17: 14,362,293 km (0.112 R)
• M18: 15,843,162 km (0.103 R)
• M19: 16,164,050 km (0.065 R)
• M20: 17,287,530 km (0.089 R)
• M21: 18,462,172 km (0.088 R)
• M22: 19,322,809 km (0.047 R)
• M23: 20,892,539 km (0.112 R)
• M24: 21,826,778 km (0.117 R)
• M25: 22,626,379 km (0.098 R)
• M26: 22,869,924 km (0.117 R)
• M27: 23,611,331 km (0.105 R)
• M28: 25,754,769 km (0.083 R)
• M29: 28,211,765 km (0.112 R)
• M30: 35,847,839 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.9

Radius: 6.7

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.4 AU - 6.4 AU

Year: 9892 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,259,616 km

• M1: 87,664 km (0.049 R)
• M2: 420,968 km (0.068 R)
• M3: 650,152 km (0.097 R)
• M4: 1,124,378 km (0.11 R)
• M5: 1,540,858 km (0.061 R)
• M6: 1,888,823 km (0.119 R)
• M7: 2,597,917 km (0.105 R)
• M8: 2,870,035 km (0.102 R)
• M9: 3,776,897 km (0.101 R)
• M10: 5,050,125 km (0.094 R)
• M11: 5,714,489 km (0.072 R)
• M12: 5,996,032 km (0.03 R)
• M13: 6,896,462 km (0.095 R)
• M14: 9,984,461 km (0.043 R)
• M15: 10,238,777 km (0.116 R)
• M16: 10,920,345 km (0.113 R)
• M17: 11,244,823 km (0.074 R)
• M18: 13,824,938 km (0.114 R)
• M19: 15,726,027 km (0.114 R)
• M20: 16,070,701 km (0.087 R)
• M21: 17,134,491 km (0.053 R)
• M22: 19,166,629 km (0.082 R)
• M23: 20,281,133 km (0.096 R)
• M24: 22,291,130 km (0.062 R)
• M25: 23,702,586 km (0.105 R)
• M26: 24,064,463 km (0.104 R)
• M27: 29,111,746 km (0.102 R)
• M28: 36,597,922 km (0.069 R)
• M29: 36,960,099 km (0.074 R)
• M30: 38,682,718 km (0.038 R)
• M31: 39,184,619 km (0.07 R)
• M32: 40,201,286 km (0.062 R)
• M33: 40,845,455 km (0.066 R)
• M34: 42,552,815 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.1

Radius: 4.7

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.24 AU - 8.24 AU

Year: 14864 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,259,616 km

• M1: 58,493 km (0.093 R)
• M2: 485,595 km (0.099 R)
• M3: 654,341 km (0.117 R)
• M4: 2,541,817 km (0.119 R)
• M5: 4,086,266 km (0.042 R)
• M6: 4,647,557 km (0.104 R)
• M7: 4,916,235 km (0.026 R)
• M8: 5,163,670 km (0.083 R)
• M9: 5,452,094 km (0.107 R)
• M10: 5,956,389 km (0.068 R)
• M11: 8,638,080 km (0.065 R)
• M12: 14,896,956 km (0.103 R)
• M13: 16,215,063 km (0.052 R)
• M14: 17,969,846 km (0.083 R)
• M15: 29,771,472 km (0.089 R)
• M16: 36,072,684 km (0.117 R)
• M17: 36,888,591 km (0.025 R)
• M18: 38,315,605 km (0.117 R)
• M19: 43,731,347 km (0.057 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 16,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit