🌌 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: 994.1

Radius: 8.1

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.58 AU - 0.94 AU

Year: 457 Days

Day: 10.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,456,656 km

• M1: 100,679 km (0.057 R)
• M2: 362,476 km (0.082 R)
• M3: 640,728 km (0.109 R)
• M4: 955,631 km (0.086 R)
• M5: 1,435,242 km (0.078 R)
• M6: 1,927,419 km (0.063 R)
• M7: 2,222,875 km (0.113 R)
• M8: 2,569,343 km (0.1 R)
• M9: 2,849,839 km (0.117 R)
• M10: 3,371,487 km (0.102 R)
• M11: 4,241,997 km (0.093 R)
• M12: 4,666,855 km (0.082 R)
• M13: 4,922,368 km (0.1 R)
• M14: 5,513,729 km (0.053 R)
• M15: 6,001,717 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.8

Radius: 13.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.22 AU - 1.7 AU

Year: 1218 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,456,656 km

• M1: 165,605 km (0.089 R)
• M2: 670,198 km (0.111 R)
• M3: 1,507,797 km (0.054 R)
• M4: 1,954,197 km (0.059 R)
• M5: 2,382,346 km (0.109 R)
• M6: 2,982,832 km (0.116 R)
• M7: 3,402,604 km (0.093 R)
• M8: 3,928,739 km (0.038 R)
• M9: 4,734,025 km (0.094 R)
• M10: 5,309,378 km (0.092 R)
• M11: 6,088,484 km (0.113 R)
• M12: 8,175,823 km (0.06 R)
• M13: 9,006,839 km (0.079 R)
• M14: 9,488,993 km (0.111 R)
• M15: 10,147,972 km (0.115 R)
• M16: 10,837,319 km (0.049 R)
• M17: 11,279,530 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.8

Radius: 9.9

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.14 AU - 3.08 AU

Year: 2911 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,456,656 km

• M1: 123,568 km (0.073 R)
• M2: 634,445 km (0.08 R)
• M3: 952,639 km (0.118 R)
• M4: 1,331,870 km (0.092 R)
• M5: 1,776,026 km (0.072 R)
• M6: 2,375,614 km (0.092 R)
• M7: 2,965,479 km (0.107 R)
• M8: 3,670,085 km (0.112 R)
• M9: 4,213,873 km (0.034 R)
• M10: 4,980,412 km (0.078 R)
• M11: 5,410,357 km (0.042 R)
• M12: 8,460,059 km (0.113 R)
• M13: 9,600,593 km (0.092 R)
• M14: 10,923,936 km (0.072 R)
• M15: 12,365,162 km (0.065 R)
• M16: 12,919,422 km (0.105 R)
• M17: 13,490,287 km (0.115 R)
• M18: 16,710,980 km (0.12 R)
• M19: 17,560,995 km (0.077 R)
• M20: 19,532,096 km (0.096 R)
• M21: 20,031,454 km (0.109 R)
• M22: 22,451,948 km (0.071 R)
• M23: 22,861,995 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.5

Radius: 14.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.63 AU - 2.79 AU

Year: 3079 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,456,656 km

• M1: 184,005 km (0.034 R)
• M2: 651,499 km (0.069 R)
• M3: 1,226,104 km (0.068 R)
• M4: 1,706,613 km (0.115 R)
• M5: 2,183,231 km (0.097 R)
• M6: 2,874,972 km (0.092 R)
• M7: 3,505,377 km (0.067 R)
• M8: 4,144,759 km (0.106 R)
• M9: 4,792,817 km (0.092 R)
• M10: 5,533,176 km (0.096 R)
• M11: 7,959,953 km (0.083 R)
• M12: 8,896,137 km (0.12 R)
• M13: 9,572,469 km (0.074 R)
• M14: 10,631,472 km (0.063 R)
• M15: 13,900,784 km (0.116 R)
• M16: 16,229,275 km (0.096 R)
• M17: 17,295,010 km (0.055 R)
• M18: 19,803,617 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 13.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.38 AU - 3.32 AU

Year: 3321 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,456,656 km

• M1: 162,912 km (0.1 R)
• M2: 689,646 km (0.054 R)
• M3: 1,110,615 km (0.081 R)
• M4: 1,853,667 km (0.075 R)
• M5: 2,539,424 km (0.084 R)
• M6: 3,600,222 km (0.097 R)
• M7: 4,134,586 km (0.091 R)
• M8: 5,841,797 km (0.077 R)
• M9: 6,261,868 km (0.063 R)
• M10: 6,823,159 km (0.1 R)
• M11: 7,777,743 km (0.092 R)
• M12: 9,075,654 km (0.085 R)
• M13: 10,677,099 km (0.095 R)
• M14: 13,494,626 km (0.104 R)
• M15: 14,790,293 km (0.096 R)
• M16: 15,205,277 km (0.116 R)
• M17: 16,004,279 km (0.094 R)
• M18: 17,169,796 km (0.087 R)
• M19: 18,331,573 km (0.116 R)
• M20: 21,796,709 km (0.049 R)
• M21: 22,881,593 km (0.068 R)
• M22: 23,648,132 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 10.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.59 AU - 3.83 AU

Year: 4933 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,456,656 km

• M1: 134,339 km (0.055 R)
• M2: 611,406 km (0.102 R)
• M3: 1,425,817 km (0.11 R)
• M4: 1,901,539 km (0.025 R)
• M5: 2,291,391 km (0.108 R)
• M6: 2,840,864 km (0.114 R)
• M7: 4,065,023 km (0.077 R)
• M8: 6,144,284 km (0.082 R)
• M9: 6,581,558 km (0.112 R)
• M10: 7,983,141 km (0.047 R)
• M11: 8,504,639 km (0.104 R)
• M12: 9,492,284 km (0.108 R)
• M13: 11,046,606 km (0.07 R)
• M14: 12,076,288 km (0.066 R)
• M15: 13,168,801 km (0.07 R)
• M16: 15,265,715 km (0.059 R)
• M17: 16,187,238 km (0.036 R)
• M18: 16,661,612 km (0.039 R)
• M19: 18,077,556 km (0.092 R)
• M20: 19,306,353 km (0.095 R)
• M21: 20,315,241 km (0.111 R)
• M22: 20,659,167 km (0.092 R)
• M23: 21,077,143 km (0.046 R)
• M24: 21,929,851 km (0.065 R)
• M25: 27,789,151 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.4

Radius: 12.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.81 AU - 5.85 AU

Year: 8494 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,456,656 km

• M1: 150,495 km (0.074 R)
• M2: 820,096 km (0.099 R)
• M3: 1,500,167 km (0.105 R)
• M4: 2,138,651 km (0.087 R)
• M5: 3,102,660 km (0.072 R)
• M6: 3,610,395 km (0.052 R)
• M7: 4,364,219 km (0.082 R)
• M8: 5,126,869 km (0.102 R)
• M9: 7,665,844 km (0.067 R)
• M10: 9,001,902 km (0.071 R)
• M11: 9,845,933 km (0.095 R)
• M12: 10,237,581 km (0.043 R)
• M13: 14,813,032 km (0.047 R)
• M14: 17,015,711 km (0.053 R)
• M15: 17,724,206 km (0.091 R)
• M16: 18,823,900 km (0.114 R)
• M17: 20,438,959 km (0.066 R)
• M18: 21,565,879 km (0.103 R)
• M19: 24,833,097 km (0.101 R)
• M20: 25,286,378 km (0.101 R)
• M21: 27,732,304 km (0.025 R)
• M22: 29,012,712 km (0.088 R)
• M23: 31,691,112 km (0.081 R)
• M24: 32,981,394 km (0.066 R)
• M25: 34,642,828 km (0.108 R)
• M26: 35,095,212 km (0.099 R)
• M27: 36,127,437 km (0.111 R)
• M28: 38,012,370 km (0.105 R)
• M29: 39,838,212 km (0.054 R)
• M30: 41,721,799 km (0.086 R)
• M31: 43,009,986 km (0.09 R)
• M32: 43,664,028 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.5

Radius: 7.8

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.67 AU - 9.63 AU

Year: 19105 Days

Day: 22.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,456,656 km

• M1: 97,089 km (0.104 R)
• M2: 676,482 km (0.082 R)
• M3: 1,576,313 km (0.078 R)
• M4: 2,015,831 km (0.085 R)
• M5: 2,325,349 km (0.116 R)
• M6: 5,355,005 km (0.089 R)
• M7: 14,230,647 km (0.113 R)
• M8: 15,010,501 km (0.108 R)
• M9: 16,043,773 km (0.113 R)
• M10: 19,599,565 km (0.091 R)
• M11: 26,180,375 km (0.098 R)
• M12: 32,618,619 km (0.052 R)
• M13: 34,473,034 km (0.08 R)
• M14: 54,428,044 km (0.068 R)
• M15: 58,992,424 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.3

Radius: 7.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.17 AU - 10.99 AU

Year: 20467 Days

Day: 19.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,456,656 km

• M1: 91,853 km (0.093 R)
• M2: 410,796 km (0.063 R)
• M3: 1,057,507 km (0.094 R)
• M4: 2,331,034 km (0.073 R)
• M5: 3,091,141 km (0.094 R)
• M6: 6,824,655 km (0.059 R)
• M7: 8,636,734 km (0.079 R)
• M8: 14,525,205 km (0.1 R)
• M9: 14,791,190 km (0.101 R)
• M10: 15,678,455 km (0.098 R)
• M11: 17,038,449 km (0.117 R)
• M12: 17,784,943 km (0.041 R)
• M13: 22,197,033 km (0.115 R)
• M14: 22,907,174 km (0.087 R)
• M15: 23,358,810 km (0.052 R)
• M16: 28,933,575 km (0.115 R)
• M17: 34,149,155 km (0.111 R)
• M18: 48,435,901 km (0.065 R)
• M19: 49,629,542 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 17,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit