🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.5

Radius: 9

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.7 AU - 2.08 AU

Year: 1826 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,209,119 km

• M1: 112,049 km (0.105 R)
• M2: 405,560 km (0.09 R)
• M3: 726,447 km (0.117 R)
• M4: 1,256,173 km (0.094 R)
• M5: 1,568,384 km (0.064 R)
• M6: 2,327,144 km (0.086 R)
• M7: 4,700,066 km (0.096 R)
• M8: 9,818,108 km (0.041 R)
• M9: 11,139,955 km (0.043 R)
• M10: 12,996,764 km (0.119 R)
• M11: 15,334,231 km (0.098 R)
• M12: 16,552,107 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.7

Radius: 14.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.08 AU - 2.1 AU

Year: 2124 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,209,119 km

• M1: 181,313 km (0.114 R)
• M2: 779,106 km (0.12 R)
• M3: 1,306,139 km (0.067 R)
• M4: 1,763,908 km (0.104 R)
• M5: 2,509,055 km (0.094 R)
• M6: 3,035,939 km (0.058 R)
• M7: 3,976,012 km (0.117 R)
• M8: 4,987,892 km (0.073 R)
• M9: 6,405,482 km (0.088 R)
• M10: 7,520,584 km (0.096 R)
• M11: 8,594,996 km (0.058 R)
• M12: 10,508,951 km (0.114 R)
• M13: 18,715,142 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 8.2

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.4 AU - 3.48 AU

Year: 3543 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,209,119 km

• M1: 170,392 km (0.115 R)
• M2: 660,026 km (0.054 R)
• M3: 1,686,716 km (0.037 R)
• M4: 3,016,043 km (0.073 R)
• M5: 3,312,994 km (0.115 R)
• M6: 3,610,395 km (0.098 R)
• M7: 4,455,025 km (0.094 R)
• M8: 4,771,723 km (0.065 R)
• M9: 5,103,531 km (0.038 R)
• M10: 5,552,624 km (0.091 R)
• M11: 6,164,629 km (0.118 R)
• M12: 10,263,910 km (0.109 R)
• M13: 11,225,974 km (0.079 R)
• M14: 11,814,342 km (0.113 R)
• M15: 12,511,618 km (0.117 R)
• M16: 14,918,049 km (0.03 R)
• M17: 16,629,898 km (0.117 R)
• M18: 17,898,039 km (0.052 R)
• M19: 19,110,978 km (0.094 R)
• M20: 19,407,631 km (0.114 R)
• M21: 20,132,283 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575

Radius: 10.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.97 AU - 4.45 AU

Year: 5023 Days

Day: 7.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,209,119 km

• M1: 126,859 km (0.067 R)
• M2: 555,457 km (0.105 R)
• M3: 949,946 km (0.093 R)
• M4: 1,487,452 km (0.056 R)
• M5: 4,103,470 km (0.063 R)
• M6: 5,705,513 km (0.096 R)
• M7: 9,967,407 km (0.062 R)
• M8: 11,888,692 km (0.098 R)
• M9: 14,419,290 km (0.098 R)
• M10: 14,855,218 km (0.098 R)
• M11: 15,810,550 km (0.084 R)
• M12: 17,411,397 km (0.114 R)
• M13: 20,656,624 km (0.097 R)
• M14: 23,006,806 km (0.117 R)
• M15: 27,310,886 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 12.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.38 AU - 4.86 AU

Year: 5878 Days

Day: 6.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,209,119 km

• M1: 150,495 km (0.085 R)
• M2: 673,041 km (0.072 R)
• M3: 1,064,389 km (0.093 R)
• M4: 1,777,223 km (0.106 R)
• M5: 3,881,317 km (0.036 R)
• M6: 5,915,100 km (0.072 R)
• M7: 7,981,794 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 9.5

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.59 AU - 5.03 AU

Year: 7415 Days

Day: 5.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 76.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,209,119 km

• M1: 118,631 km (0.094 R)
• M2: 862,432 km (0.093 R)
• M3: 1,284,447 km (0.116 R)
• M4: 1,626,129 km (0.092 R)
• M5: 3,824,470 km (0.1 R)
• M6: 4,266,681 km (0.076 R)
• M7: 5,161,276 km (0.103 R)
• M8: 5,636,698 km (0.067 R)
• M9: 6,785,909 km (0.093 R)
• M10: 10,161,286 km (0.061 R)
• M11: 10,807,549 km (0.093 R)
• M12: 12,181,755 km (0.048 R)
• M13: 13,550,575 km (0.048 R)
• M14: 14,580,257 km (0.037 R)
• M15: 19,224,822 km (0.064 R)
• M16: 19,676,758 km (0.046 R)
• M17: 21,234,520 km (0.105 R)
• M18: 22,372,810 km (0.107 R)
• M19: 27,810,394 km (0.047 R)
• M20: 30,987,553 km (0.077 R)
• M21: 32,770,012 km (0.086 R)
• M22: 35,401,439 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.3

Radius: 4.9

Gravity: 33.92 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.25 AU - 7.83 AU

Year: 14553 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,209,119 km

• M1: 60,886 km (0.111 R)
• M2: 243,545 km (0.105 R)
• M3: 398,230 km (0.078 R)
• M4: 939,175 km (0.079 R)
• M5: 1,600,996 km (0.081 R)
• M6: 2,195,648 km (0.1 R)
• M7: 2,402,093 km (0.103 R)
• M8: 2,759,482 km (0.119 R)
• M9: 4,324,874 km (0.086 R)
• M10: 4,683,760 km (0.099 R)
• M11: 4,853,254 km (0.061 R)
• M12: 6,037,172 km (0.071 R)
• M13: 8,253,464 km (0.111 R)
• M14: 11,873,733 km (0.09 R)
• M15: 13,853,361 km (0.085 R)
• M16: 14,274,180 km (0.106 R)
• M17: 14,631,270 km (0.046 R)
• M18: 17,705,656 km (0.037 R)
• M19: 20,726,935 km (0.091 R)
• M20: 21,462,657 km (0.043 R)
• M21: 26,034,817 km (0.055 R)
• M22: 26,460,572 km (0.065 R)
• M23: 27,987,368 km (0.049 R)
• M24: 28,885,853 km (0.101 R)
• M25: 29,572,058 km (0.074 R)
• M26: 33,416,873 km (0.067 R)
• M27: 34,940,378 km (0.084 R)
• M28: 38,262,348 km (0.065 R)
• M29: 45,371,987 km (0.119 R)
• M30: 45,525,474 km (0.043 R)
• M31: 50,625,864 km (0.077 R)
• M32: 50,791,020 km (0.058 R)
• M33: 52,126,032 km (0.108 R)
• M34: 57,699,899 km (0.119 R)
• M35: 59,704,061 km (0.11 R)
• M36: 62,701,255 km (0.102 R)
• M37: 64,818,962 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 19,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit