🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 8.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.7 AU - 0.82 AU

Year: 421 Days

Day: 13.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,034,062 km

• M1: 103,372 km (0.08 R)
• M2: 427,551 km (0.119 R)
• M3: 802,742 km (0.086 R)
• M4: 1,127,669 km (0.104 R)
• M5: 1,651,411 km (0.089 R)
• M6: 2,122,046 km (0.068 R)
• M7: 2,504,418 km (0.049 R)
• M8: 2,862,555 km (0.06 R)
• M9: 3,624,008 km (0.072 R)
• M10: 4,046,174 km (0.1 R)
• M11: 4,747,488 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 11

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.63 AU - 0.93 AU

Year: 438 Days

Day: 5.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,034,062 km

• M1: 136,732 km (0.119 R)
• M2: 500,106 km (0.097 R)
• M3: 1,221,467 km (0.119 R)
• M4: 1,564,943 km (0.086 R)
• M5: 1,974,393 km (0.115 R)
• M6: 2,812,440 km (0.069 R)
• M7: 3,360,567 km (0.106 R)
• M8: 3,919,763 km (0.026 R)
• M9: 4,347,464 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.3

Radius: 11.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.16 AU - 1.46 AU

Year: 953 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,034,062 km

• M1: 138,079 km (0.098 R)
• M2: 548,276 km (0.112 R)
• M3: 1,211,144 km (0.081 R)
• M4: 2,105,889 km (0.103 R)
• M5: 2,521,023 km (0.107 R)
• M6: 2,892,325 km (0.103 R)
• M7: 4,135,334 km (0.059 R)
• M8: 5,042,196 km (0.1 R)
• M9: 6,022,511 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 13.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.27 AU - 2.81 AU

Year: 2574 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 94,034,062 km

• M1: 169,195 km (0.087 R)
• M2: 692,937 km (0.067 R)
• M3: 1,384,379 km (0.119 R)
• M4: 2,406,731 km (0.117 R)
• M5: 2,878,861 km (0.1 R)
• M6: 3,480,245 km (0.096 R)
• M7: 4,300,041 km (0.096 R)
• M8: 5,335,558 km (0.071 R)
• M9: 6,822,560 km (0.117 R)
• M10: 8,168,642 km (0.103 R)
• M11: 9,314,412 km (0.118 R)
• M12: 10,857,065 km (0.079 R)
• M13: 11,806,414 km (0.039 R)
• M14: 14,399,244 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 11

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.93 AU - 3.45 AU

Year: 3623 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 94,034,062 km

• M1: 136,732 km (0.095 R)
• M2: 712,086 km (0.049 R)
• M3: 1,093,710 km (0.107 R)
• M4: 2,252,495 km (0.072 R)
• M5: 2,647,134 km (0.045 R)
• M6: 3,239,542 km (0.105 R)
• M7: 3,962,548 km (0.117 R)
• M8: 4,815,107 km (0.097 R)
• M9: 5,531,680 km (0.116 R)
• M10: 6,533,388 km (0.06 R)
• M11: 7,012,251 km (0.105 R)
• M12: 7,897,571 km (0.072 R)
• M13: 8,553,109 km (0.082 R)
• M14: 9,284,044 km (0.044 R)
• M15: 9,644,425 km (0.054 R)
• M16: 10,014,381 km (0.106 R)
• M17: 10,826,398 km (0.066 R)
• M18: 13,273,819 km (0.069 R)
• M19: 14,519,221 km (0.113 R)
• M20: 17,787,037 km (0.071 R)
• M21: 20,623,263 km (0.104 R)
• M22: 21,446,351 km (0.11 R)
• M23: 25,345,320 km (0.069 R)
• M24: 26,851,172 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.9

Radius: 10.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.61 AU - 4.53 AU

Year: 5221 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,034,062 km

• M1: 135,536 km (0.118 R)
• M2: 506,838 km (0.102 R)
• M3: 1,292,974 km (0.073 R)
• M4: 1,945,520 km (0.093 R)
• M5: 2,824,258 km (0.112 R)
• M6: 3,594,986 km (0.119 R)
• M7: 4,182,906 km (0.091 R)
• M8: 5,211,840 km (0.088 R)
• M9: 6,119,600 km (0.041 R)
• M10: 6,892,124 km (0.045 R)
• M11: 11,009,805 km (0.099 R)
• M12: 12,102,767 km (0.065 R)
• M13: 12,751,722 km (0.105 R)
• M14: 16,290,610 km (0.107 R)
• M15: 17,020,199 km (0.036 R)
• M16: 17,898,787 km (0.067 R)
• M17: 18,349,226 km (0.119 R)
• M18: 19,272,993 km (0.047 R)
• M19: 20,575,691 km (0.08 R)
• M20: 22,452,546 km (0.101 R)
• M21: 22,826,092 km (0.108 R)
• M22: 23,203,827 km (0.074 R)
• M23: 23,817,028 km (0.067 R)
• M24: 26,710,401 km (0.11 R)
• M25: 27,553,983 km (0.088 R)
• M26: 27,982,431 km (0.111 R)
• M27: 30,464,110 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.2

Radius: 6.2

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.31 AU - 6.81 AU

Year: 10683 Days

Day: 23.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,034,062 km

• M1: 77,193 km (0.106 R)
• M2: 394,490 km (0.084 R)
• M3: 626,965 km (0.106 R)
• M4: 896,690 km (0.12 R)
• M5: 1,197,531 km (0.078 R)
• M6: 1,459,776 km (0.1 R)
• M7: 1,925,175 km (0.118 R)
• M8: 2,184,279 km (0.113 R)
• M9: 2,914,466 km (0.118 R)
• M10: 3,324,364 km (0.097 R)
• M11: 3,531,707 km (0.067 R)
• M12: 4,312,607 km (0.044 R)
• M13: 4,672,241 km (0.083 R)
• M14: 5,111,909 km (0.037 R)
• M15: 5,546,790 km (0.073 R)
• M16: 6,039,715 km (0.114 R)
• M17: 7,976,708 km (0.05 R)
• M18: 10,293,231 km (0.096 R)
• M19: 10,635,960 km (0.049 R)
• M20: 11,709,773 km (0.089 R)
• M21: 14,071,026 km (0.119 R)
• M22: 14,615,413 km (0.076 R)
• M23: 18,109,720 km (0.114 R)
• M24: 19,710,567 km (0.103 R)
• M25: 20,239,246 km (0.063 R)
• M26: 23,358,511 km (0.063 R)
• M27: 24,813,200 km (0.085 R)
• M28: 33,212,522 km (0.033 R)
• M29: 35,269,344 km (0.117 R)
• M30: 35,713,051 km (0.089 R)
• M31: 37,755,361 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.4

Radius: 3.7

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.96 AU - 8.44 AU

Year: 14930 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 94,034,062 km

• M1: 46,076 km (0.088 R)
• M2: 176,825 km (0.116 R)
• M3: 346,618 km (0.052 R)
• M4: 527,632 km (0.104 R)
• M5: 720,763 km (0.118 R)
• M6: 930,648 km (0.114 R)
• M7: 1,320,650 km (0.085 R)
• M8: 1,678,488 km (0.047 R)
• M9: 1,796,222 km (0.102 R)
• M10: 1,919,341 km (0.111 R)
• M11: 3,096,377 km (0.093 R)
• M12: 3,601,270 km (0.045 R)
• M13: 3,822,824 km (0.089 R)
• M14: 4,656,383 km (0.106 R)
• M15: 5,443,418 km (0.084 R)
• M16: 5,571,922 km (0.117 R)
• M17: 6,970,962 km (0.11 R)
• M18: 7,751,264 km (0.1 R)
• M19: 7,996,305 km (0.115 R)
• M20: 8,806,378 km (0.12 R)
• M21: 10,889,528 km (0.091 R)
• M22: 11,145,191 km (0.107 R)
• M23: 14,969,361 km (0.058 R)
• M24: 16,933,432 km (0.086 R)
• M25: 19,508,909 km (0.084 R)
• M26: 23,929,227 km (0.055 R)
• M27: 30,461,866 km (0.092 R)
• M28: 30,765,700 km (0.099 R)
• M29: 33,162,557 km (0.093 R)
• M30: 34,461,066 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.7

Radius: 7.2

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.51 AU - 10.63 AU

Year: 21850 Days

Day: 22.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,034,062 km

• M1: 89,609 km (0.081 R)
• M2: 322,982 km (0.087 R)
• M3: 1,022,801 km (0.114 R)
• M4: 1,669,363 km (0.11 R)
• M5: 3,551,154 km (0.07 R)
• M6: 5,081,540 km (0.112 R)
• M7: 5,360,241 km (0.108 R)
• M8: 6,079,957 km (0.114 R)
• M9: 8,078,734 km (0.094 R)
• M10: 8,514,512 km (0.073 R)
• M11: 11,669,232 km (0.119 R)
• M12: 14,003,109 km (0.067 R)
• M13: 15,279,328 km (0.06 R)
• M14: 15,945,637 km (0.109 R)
• M15: 16,981,303 km (0.084 R)
• M16: 18,995,339 km (0.107 R)
• M17: 22,840,154 km (0.115 R)
• M18: 24,603,614 km (0.082 R)
• M19: 33,115,733 km (0.117 R)
• M20: 33,669,993 km (0.084 R)
• M21: 35,082,795 km (0.082 R)
• M22: 45,582,322 km (0.118 R)
• M23: 46,786,884 km (0.094 R)
• M24: 47,660,236 km (0.099 R)
• M25: 50,528,177 km (0.05 R)
• M26: 52,004,259 km (0.047 R)
• M27: 59,003,943 km (0.104 R)
• M28: 60,023,154 km (0.031 R)
• M29: 69,957,350 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.9

Radius: 4.6

Gravity: 43.62 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.39 AU - 12.91 AU

Year: 23673 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,034,062 km

• M1: 57,146 km (0.105 R)
• M2: 249,679 km (0.111 R)
• M3: 449,392 km (0.102 R)
• M4: 1,215,632 km (0.088 R)
• M5: 2,829,793 km (0.09 R)
• M6: 3,313,144 km (0.054 R)
• M7: 4,589,513 km (0.086 R)
• M8: 4,973,531 km (0.07 R)
• M9: 5,761,463 km (0.102 R)
• M10: 6,208,012 km (0.091 R)
• M11: 10,712,255 km (0.078 R)
• M12: 24,006,270 km (0.096 R)
• M13: 25,628,060 km (0.114 R)
• M14: 29,476,316 km (0.071 R)
• M15: 31,741,826 km (0.115 R)
• M16: 32,153,370 km (0.049 R)
• M17: 34,264,196 km (0.114 R)
• M18: 36,166,931 km (0.067 R)
• M19: 37,372,091 km (0.071 R)
• M20: 40,181,390 km (0.097 R)
• M21: 42,793,817 km (0.054 R)
• M22: 53,986,431 km (0.096 R)
• M23: 56,156,497 km (0.025 R)
• M24: 56,557,121 km (0.097 R)
• M25: 57,974,710 km (0.048 R)
• M26: 63,664,067 km (0.104 R)
• M27: 65,862,407 km (0.106 R)
• M28: 66,531,559 km (0.098 R)
• M29: 67,656,983 km (0.114 R)
• M30: 74,435,413 km (0.095 R)
• M31: 76,136,939 km (0.105 R)
• M32: 78,612,185 km (0.117 R)
• M33: 80,122,824 km (0.119 R)
• M34: 80,630,560 km (0.097 R)
• M35: 81,909,472 km (0.119 R)
• M36: 82,942,295 km (0.104 R)
• M37: 83,461,998 km (0.096 R)
• M38: 85,033,973 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 14,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit