🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.7

Radius: 11.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.92 AU - 1.54 AU

Year: 895 Days

Day: 7.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,839,567 km

• M1: 146,756 km (0.07 R)
• M2: 522,695 km (0.081 R)
• M3: 931,845 km (0.104 R)
• M4: 1,738,626 km (0.117 R)
• M5: 2,442,185 km (0.099 R)
• M6: 2,915,662 km (0.083 R)
• M7: 3,371,637 km (0.058 R)
• M8: 4,428,247 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 13.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.35 AU - 1.35 AU

Year: 1029 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,839,567 km

• M1: 162,912 km (0.119 R)
• M2: 692,937 km (0.077 R)
• M3: 1,570,478 km (0.072 R)
• M4: 2,447,720 km (0.11 R)
• M5: 3,039,679 km (0.079 R)
• M6: 3,548,461 km (0.072 R)
• M7: 4,805,084 km (0.08 R)
• M8: 7,067,751 km (0.036 R)
• M9: 7,530,906 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 10.2

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.35 AU - 1.39 AU

Year: 1052 Days

Day: 6.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,839,567 km

• M1: 126,859 km (0.038 R)
• M2: 495,169 km (0.111 R)
• M3: 1,455,886 km (0.107 R)
• M4: 1,819,708 km (0.102 R)
• M5: 3,239,392 km (0.113 R)
• M6: 3,742,490 km (0.105 R)
• M7: 4,245,887 km (0.11 R)
• M8: 4,999,561 km (0.101 R)
• M9: 5,408,711 km (0.116 R)
• M10: 6,984,126 km (0.113 R)
• M11: 7,825,913 km (0.062 R)
• M12: 10,663,336 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 8.8

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.38 AU - 1.66 AU

Year: 1229 Days

Day: 10.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,839,567 km

• M1: 109,655 km (0.065 R)
• M2: 391,797 km (0.1 R)
• M3: 713,582 km (0.09 R)
• M4: 998,416 km (0.086 R)
• M5: 1,406,519 km (0.096 R)
• M6: 1,756,279 km (0.11 R)
• M7: 2,237,835 km (0.066 R)
• M8: 2,516,087 km (0.089 R)
• M9: 3,378,967 km (0.106 R)
• M10: 4,061,283 km (0.08 R)
• M11: 4,375,887 km (0.085 R)
• M12: 4,670,894 km (0.102 R)
• M13: 5,537,066 km (0.116 R)
• M14: 6,330,234 km (0.095 R)
• M15: 7,758,894 km (0.117 R)
• M16: 8,723,800 km (0.114 R)
• M17: 9,679,132 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 11

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.18 AU - 3.64 AU

Year: 4131 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,839,567 km

• M1: 138,079 km (0.066 R)
• M2: 628,610 km (0.1 R)
• M3: 1,351,018 km (0.088 R)
• M4: 1,864,588 km (0.115 R)
• M5: 2,292,587 km (0.061 R)
• M6: 3,312,994 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 14.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.09 AU - 4.31 AU

Year: 4669 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,839,567 km

• M1: 176,974 km (0.107 R)
• M2: 761,902 km (0.106 R)
• M3: 1,334,263 km (0.115 R)
• M4: 1,897,350 km (0.084 R)
• M5: 3,117,171 km (0.109 R)
• M6: 3,679,210 km (0.099 R)
• M7: 4,518,454 km (0.059 R)
• M8: 5,482,014 km (0.065 R)
• M9: 5,955,641 km (0.04 R)
• M10: 7,476,602 km (0.11 R)
• M11: 8,491,325 km (0.091 R)
• M12: 9,635,748 km (0.106 R)
• M13: 10,245,509 km (0.073 R)
• M14: 11,054,535 km (0.114 R)
• M15: 11,632,431 km (0.068 R)
• M16: 14,618,255 km (0.063 R)
• M17: 17,184,158 km (0.117 R)
• M18: 20,697,165 km (0.105 R)
• M19: 23,265,311 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.5

Radius: 12.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.02 AU - 4.98 AU

Year: 6262 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,839,567 km

• M1: 151,692 km (0.078 R)
• M2: 845,228 km (0.064 R)
• M3: 1,310,477 km (0.086 R)
• M4: 1,820,157 km (0.084 R)
• M5: 4,401,469 km (0.114 R)
• M6: 5,453,441 km (0.103 R)
• M7: 6,125,883 km (0.1 R)
• M8: 6,604,297 km (0.037 R)
• M9: 8,156,375 km (0.049 R)
• M10: 19,251,750 km (0.111 R)
• M11: 20,677,268 km (0.116 R)
• M12: 22,451,200 km (0.09 R)
• M13: 23,664,738 km (0.12 R)
• M14: 24,324,614 km (0.115 R)
• M15: 25,072,154 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.5

Radius: 8.7

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.49 AU - 6.73 AU

Year: 8717 Days

Day: 5 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,839,567 km

• M1: 108,159 km (0.033 R)
• M2: 379,679 km (0.097 R)
• M3: 651,050 km (0.062 R)
• M4: 1,019,061 km (0.079 R)
• M5: 2,752,002 km (0.111 R)
• M6: 3,240,888 km (0.033 R)
• M7: 4,221,353 km (0.076 R)
• M8: 8,567,021 km (0.112 R)
• M9: 10,212,598 km (0.118 R)
• M10: 11,218,793 km (0.112 R)
• M11: 17,627,715 km (0.082 R)
• M12: 18,994,292 km (0.097 R)
• M13: 19,307,251 km (0.084 R)
• M14: 19,783,271 km (0.118 R)
• M15: 20,430,132 km (0.09 R)
• M16: 21,851,312 km (0.117 R)
• M17: 23,786,809 km (0.101 R)
• M18: 24,796,296 km (0.086 R)
• M19: 27,694,156 km (0.084 R)
• M20: 28,198,151 km (0.09 R)
• M21: 33,125,905 km (0.086 R)
• M22: 35,554,926 km (0.054 R)
• M23: 36,270,153 km (0.074 R)
• M24: 37,852,899 km (0.094 R)
• M25: 38,598,644 km (0.091 R)
• M26: 39,227,554 km (0.099 R)
• M27: 45,059,926 km (0.111 R)
• M28: 45,477,453 km (0.068 R)
• M29: 47,316,460 km (0.093 R)
• M30: 47,892,262 km (0.1 R)
• M31: 48,326,994 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.5

Radius: 6.5

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.06 AU - 8.14 AU

Year: 12411 Days

Day: 18.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,839,567 km

• M1: 81,082 km (0.097 R)
• M2: 321,935 km (0.036 R)
• M3: 576,550 km (0.118 R)
• M4: 1,017,565 km (0.083 R)
• M5: 1,414,597 km (0.102 R)
• M6: 1,634,955 km (0.052 R)
• M7: 2,289,147 km (0.092 R)
• M8: 2,884,845 km (0.096 R)
• M9: 4,553,161 km (0.111 R)
• M10: 5,358,895 km (0.117 R)
• M11: 6,740,282 km (0.112 R)
• M12: 7,129,685 km (0.106 R)
• M13: 7,953,221 km (0.096 R)
• M14: 8,611,452 km (0.034 R)
• M15: 9,448,302 km (0.034 R)
• M16: 9,690,202 km (0.09 R)
• M17: 11,500,486 km (0.088 R)
• M18: 13,222,357 km (0.118 R)
• M19: 13,894,501 km (0.1 R)
• M20: 17,528,532 km (0.114 R)
• M21: 17,820,547 km (0.118 R)
• M22: 18,190,054 km (0.119 R)
• M23: 18,489,399 km (0.043 R)
• M24: 21,003,541 km (0.083 R)
• M25: 22,513,432 km (0.075 R)
• M26: 23,647,983 km (0.048 R)
• M27: 30,629,416 km (0.078 R)
• M28: 33,678,520 km (0.054 R)
• M29: 34,471,239 km (0.115 R)
• M30: 35,859,058 km (0.032 R)
• M31: 40,626,294 km (0.068 R)
• M32: 42,698,523 km (0.091 R)
• M33: 42,962,414 km (0.116 R)
• M34: 45,386,648 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.4

Radius: 5.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.76 AU - 11.1 AU

Year: 22097 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,839,567 km

• M1: 75,397 km (0.042 R)
• M2: 736,620 km (0.085 R)
• M3: 1,523,804 km (0.078 R)
• M4: 3,192,119 km (0.077 R)
• M5: 3,709,878 km (0.114 R)
• M6: 4,253,516 km (0.058 R)
• M7: 4,786,982 km (0.113 R)
• M8: 5,430,702 km (0.075 R)
• M9: 5,950,106 km (0.112 R)
• M10: 7,372,632 km (0.07 R)
• M11: 8,096,536 km (0.119 R)
• M12: 9,734,633 km (0.101 R)
• M13: 10,137,949 km (0.08 R)
• M14: 10,977,941 km (0.061 R)
• M15: 11,249,760 km (0.115 R)
• M16: 11,750,165 km (0.084 R)
• M17: 13,402,324 km (0.115 R)
• M18: 18,349,675 km (0.108 R)
• M19: 38,170,495 km (0.048 R)
• M20: 44,305,953 km (0.085 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 19,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit