🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.2

Radius: 8.2

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.9 AU - 0.9 AU

Year: 589 Days

Day: 5.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,041,601 km

• M1: 111,301 km (0.107 R)
• M2: 406,158 km (0.116 R)
• M3: 802,892 km (0.117 R)
• M4: 1,096,403 km (0.095 R)
• M5: 1,586,336 km (0.119 R)
• M6: 2,196,396 km (0.102 R)
• M7: 2,619,608 km (0.101 R)
• M8: 3,084,110 km (0.037 R)
• M9: 3,602,616 km (0.09 R)
• M10: 4,017,900 km (0.115 R)
• M11: 4,620,779 km (0.112 R)
• M12: 6,591,282 km (0.083 R)
• M13: 7,213,460 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 12.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.34 AU - 1.46 AU

Year: 1143 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,041,601 km

• M1: 154,235 km (0.058 R)
• M2: 827,875 km (0.101 R)
• M3: 1,219,372 km (0.083 R)
• M4: 1,629,121 km (0.082 R)
• M5: 2,319,066 km (0.116 R)
• M6: 2,873,326 km (0.057 R)
• M7: 3,429,830 km (0.095 R)
• M8: 3,870,546 km (0.108 R)
• M9: 4,316,048 km (0.111 R)
• M10: 5,622,038 km (0.071 R)
• M11: 6,388,278 km (0.034 R)
• M12: 8,412,487 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.6

Radius: 11.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.73 AU - 1.87 AU

Year: 1667 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,041,601 km

• M1: 148,102 km (0.038 R)
• M2: 568,472 km (0.112 R)
• M3: 1,174,493 km (0.092 R)
• M4: 2,581,012 km (0.111 R)
• M5: 2,961,589 km (0.077 R)
• M6: 3,445,089 km (0.096 R)
• M7: 3,981,248 km (0.067 R)
• M8: 4,375,439 km (0.08 R)
• M9: 4,837,397 km (0.049 R)
• M10: 5,765,352 km (0.079 R)
• M11: 6,523,814 km (0.111 R)
• M12: 7,237,395 km (0.082 R)
• M13: 8,179,563 km (0.11 R)
• M14: 9,298,854 km (0.115 R)
• M15: 10,134,209 km (0.032 R)
• M16: 10,552,783 km (0.084 R)
• M17: 11,763,479 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344

Radius: 11

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.14 AU - 2.72 AU

Year: 2615 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,041,601 km

• M1: 143,614 km (0.085 R)
• M2: 505,641 km (0.111 R)
• M3: 1,305,541 km (0.113 R)
• M4: 1,689,409 km (0.096 R)
• M5: 2,295,579 km (0.056 R)
• M6: 3,961,352 km (0.051 R)
• M7: 4,637,085 km (0.1 R)
• M8: 5,209,596 km (0.116 R)
• M9: 6,021,464 km (0.118 R)
• M10: 6,835,576 km (0.052 R)
• M11: 7,269,409 km (0.059 R)
• M12: 8,557,896 km (0.063 R)
• M13: 9,289,429 km (0.059 R)
• M14: 11,507,068 km (0.1 R)
• M15: 13,085,924 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512

Radius: 9.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.91 AU - 3.07 AU

Year: 3569 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,041,601 km

• M1: 117,285 km (0.109 R)
• M2: 531,222 km (0.063 R)
• M3: 864,227 km (0.109 R)
• M4: 1,228,498 km (0.078 R)
• M5: 1,595,461 km (0.088 R)
• M6: 1,946,119 km (0.119 R)
• M7: 3,506,873 km (0.116 R)
• M8: 3,858,578 km (0.098 R)
• M9: 4,565,129 km (0.106 R)
• M10: 5,406,168 km (0.046 R)
• M11: 6,723,078 km (0.069 R)
• M12: 9,901,285 km (0.074 R)
• M13: 14,600,902 km (0.12 R)
• M14: 16,575,743 km (0.056 R)
• M15: 17,290,522 km (0.102 R)
• M16: 20,170,131 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 8.7

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.98 AU - 4.48 AU

Year: 4972 Days

Day: 13.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,041,601 km

• M1: 108,309 km (0.089 R)
• M2: 593,754 km (0.078 R)
• M3: 1,028,785 km (0.116 R)
• M4: 2,183,680 km (0.102 R)
• M5: 2,584,303 km (0.094 R)
• M6: 2,974,604 km (0.05 R)
• M7: 3,534,100 km (0.109 R)
• M8: 4,186,496 km (0.043 R)
• M9: 4,463,851 km (0.086 R)
• M10: 4,889,457 km (0.1 R)
• M11: 6,104,341 km (0.117 R)
• M12: 6,902,745 km (0.116 R)
• M13: 8,828,518 km (0.115 R)
• M14: 9,371,708 km (0.108 R)
• M15: 10,524,659 km (0.075 R)
• M16: 11,328,000 km (0.108 R)
• M17: 11,719,946 km (0.115 R)
• M18: 13,003,346 km (0.035 R)
• M19: 13,542,048 km (0.086 R)
• M20: 14,264,606 km (0.066 R)
• M21: 16,152,381 km (0.063 R)
• M22: 17,935,887 km (0.088 R)
• M23: 20,273,354 km (0.087 R)
• M24: 20,851,550 km (0.093 R)
• M25: 22,806,794 km (0.1 R)
• M26: 26,048,729 km (0.095 R)
• M27: 28,045,412 km (0.1 R)
• M28: 28,672,975 km (0.096 R)
• M29: 31,085,540 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.2

Radius: 5

Gravity: 25.13 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.65 AU - 5.75 AU

Year: 9393 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,041,601 km

• M1: 70,012 km (0.055 R)
• M2: 648,507 km (0.037 R)
• M3: 1,207,255 km (0.025 R)
• M4: 1,739,075 km (0.092 R)
• M5: 3,414,272 km (0.086 R)
• M6: 3,992,767 km (0.05 R)
• M7: 4,663,714 km (0.104 R)
• M8: 5,637,745 km (0.093 R)
• M9: 8,064,522 km (0.103 R)
• M10: 8,322,578 km (0.12 R)
• M11: 13,061,540 km (0.092 R)
• M12: 16,710,830 km (0.079 R)
• M13: 18,357,753 km (0.12 R)
• M14: 20,031,604 km (0.096 R)
• M15: 21,721,611 km (0.083 R)
• M16: 25,844,079 km (0.117 R)
• M17: 29,841,484 km (0.096 R)
• M18: 32,905,248 km (0.102 R)
• M19: 33,785,931 km (0.102 R)
• M20: 36,172,167 km (0.055 R)
• M21: 36,874,080 km (0.108 R)
• M22: 38,426,008 km (0.064 R)
• M23: 40,395,015 km (0.072 R)
• M24: 42,430,444 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.2

Radius: 4.7

Gravity: 27.49 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.42 AU - 6.98 AU

Year: 11971 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,041,601 km

• M1: 58,642 km (0.046 R)
• M2: 216,468 km (0.117 R)
• M3: 403,017 km (0.119 R)
• M4: 1,101,938 km (0.072 R)
• M5: 1,486,704 km (0.08 R)
• M6: 1,789,639 km (0.03 R)
• M7: 2,243,818 km (0.096 R)
• M8: 3,791,408 km (0.115 R)
• M9: 6,158,944 km (0.119 R)
• M10: 7,265,520 km (0.096 R)
• M11: 8,406,204 km (0.059 R)
• M12: 8,732,626 km (0.05 R)
• M13: 10,228,006 km (0.106 R)
• M14: 10,600,056 km (0.109 R)
• M15: 12,717,913 km (0.054 R)
• M16: 13,210,240 km (0.089 R)
• M17: 14,563,054 km (0.094 R)
• M18: 14,965,921 km (0.093 R)
• M19: 15,170,122 km (0.118 R)
• M20: 15,445,382 km (0.072 R)
• M21: 16,076,685 km (0.113 R)
• M22: 23,915,912 km (0.089 R)
• M23: 27,310,138 km (0.108 R)
• M24: 28,439,752 km (0.039 R)
• M25: 30,137,987 km (0.06 R)
• M26: 30,791,879 km (0.115 R)
• M27: 31,011,938 km (0.077 R)
• M28: 33,851,754 km (0.075 R)
• M29: 36,000,578 km (0.108 R)
• M30: 42,307,175 km (0.103 R)
• M31: 45,505,877 km (0.064 R)
• M32: 49,462,142 km (0.092 R)
• M33: 50,371,249 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.7

Radius: 5.7

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.88 AU - 11 AU

Year: 23284 Days

Day: 17.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,041,601 km

• M1: 87,664 km (0.091 R)
• M2: 355,594 km (0.119 R)
• M3: 854,204 km (0.059 R)
• M4: 1,275,322 km (0.084 R)
• M5: 1,843,195 km (0.085 R)
• M6: 3,574,342 km (0.106 R)
• M7: 6,337,714 km (0.102 R)
• M8: 7,157,959 km (0.082 R)
• M9: 11,581,718 km (0.048 R)
• M10: 11,831,995 km (0.106 R)
• M11: 13,137,685 km (0.04 R)
• M12: 14,681,685 km (0.067 R)
• M13: 15,197,348 km (0.081 R)
• M14: 25,067,517 km (0.104 R)
• M15: 29,238,006 km (0.092 R)
• M16: 31,004,009 km (0.077 R)
• M17: 32,839,874 km (0.097 R)
• M18: 41,782,685 km (0.097 R)
• M19: 51,038,904 km (0.11 R)
• M20: 57,853,386 km (0.099 R)
• M21: 58,768,476 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit