🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 10.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.54 AU - 0.56 AU

Year: 282 Days

Day: 13.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,682,852 km

• M1: 129,701 km (0.087 R)
• M2: 553,961 km (0.104 R)
• M3: 1,039,256 km (0.097 R)
• M4: 1,617,153 km (0.103 R)
• M5: 2,280,620 km (0.098 R)
• M6: 2,694,557 km (0.098 R)
• M7: 3,675,171 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.5

Radius: 8.7

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 12.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,682,852 km

• M1: 108,309 km (0.104 R)
• M2: 488,138 km (0.076 R)
• M3: 1,019,061 km (0.081 R)
• M4: 1,566,290 km (0.104 R)
• M5: 1,843,345 km (0.094 R)
• M6: 2,179,940 km (0.12 R)
• M7: 2,825,904 km (0.055 R)
• M8: 3,264,375 km (0.071 R)
• M9: 4,054,401 km (0.072 R)
• M10: 4,872,403 km (0.088 R)
• M11: 5,387,169 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 10.1

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.04 AU - 1.04 AU

Year: 732 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,682,852 km

• M1: 125,662 km (0.037 R)
• M2: 442,660 km (0.062 R)
• M3: 1,048,232 km (0.099 R)
• M4: 1,747,004 km (0.097 R)
• M5: 2,121,148 km (0.103 R)
• M6: 2,754,546 km (0.079 R)
• M7: 3,252,557 km (0.093 R)
• M8: 4,300,340 km (0.085 R)
• M9: 6,069,784 km (0.047 R)
• M10: 7,934,970 km (0.068 R)
• M11: 8,711,234 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 11.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.12 AU - 1.44 AU

Year: 1000 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,682,852 km

• M1: 144,362 km (0.093 R)
• M2: 731,833 km (0.066 R)
• M3: 1,175,690 km (0.072 R)
• M4: 1,896,153 km (0.091 R)
• M5: 2,285,257 km (0.117 R)
• M6: 2,785,961 km (0.064 R)
• M7: 3,176,711 km (0.081 R)
• M8: 3,548,761 km (0.116 R)
• M9: 4,161,962 km (0.03 R)
• M10: 4,642,321 km (0.078 R)
• M11: 5,249,389 km (0.051 R)
• M12: 5,619,644 km (0.118 R)
• M13: 6,559,268 km (0.12 R)
• M14: 6,923,838 km (0.034 R)
• M15: 7,623,956 km (0.032 R)
• M16: 8,197,814 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.8

Radius: 8.9

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.27 AU - 1.93 AU

Year: 1397 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,682,852 km

• M1: 110,702 km (0.114 R)
• M2: 395,387 km (0.054 R)
• M3: 824,434 km (0.088 R)
• M4: 1,153,100 km (0.083 R)
• M5: 1,498,223 km (0.102 R)
• M6: 2,340,159 km (0.107 R)
• M7: 2,642,646 km (0.073 R)
• M8: 3,205,434 km (0.113 R)
• M9: 3,846,161 km (0.11 R)
• M10: 4,608,063 km (0.12 R)
• M11: 5,402,428 km (0.117 R)
• M12: 6,501,972 km (0.116 R)
• M13: 7,393,127 km (0.102 R)
• M14: 9,076,552 km (0.094 R)
• M15: 9,385,322 km (0.076 R)
• M16: 10,725,419 km (0.116 R)
• M17: 12,040,534 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 10.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.54 AU - 2.04 AU

Year: 1653 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,682,852 km

• M1: 125,662 km (0.044 R)
• M2: 441,314 km (0.117 R)
• M3: 808,726 km (0.079 R)
• M4: 1,355,058 km (0.105 R)
• M5: 2,123,691 km (0.081 R)
• M6: 2,474,199 km (0.049 R)
• M7: 2,822,762 km (0.097 R)
• M8: 3,145,445 km (0.103 R)
• M9: 4,541,642 km (0.088 R)
• M10: 5,526,445 km (0.106 R)
• M11: 6,103,892 km (0.118 R)
• M12: 6,574,976 km (0.068 R)
• M13: 7,563,668 km (0.039 R)
• M14: 7,886,949 km (0.108 R)
• M15: 8,275,904 km (0.103 R)
• M16: 9,092,409 km (0.051 R)
• M17: 9,961,573 km (0.12 R)
• M18: 10,817,272 km (0.116 R)
• M19: 11,650,084 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 12.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.02 AU - 2.96 AU

Year: 2712 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,682,852 km

• M1: 151,842 km (0.11 R)
• M2: 545,583 km (0.12 R)
• M3: 986,748 km (0.078 R)
• M4: 1,450,800 km (0.111 R)
• M5: 2,405,085 km (0.073 R)
• M6: 2,953,212 km (0.116 R)
• M7: 3,376,274 km (0.049 R)
• M8: 4,684,807 km (0.097 R)
• M9: 5,917,344 km (0.112 R)
• M10: 6,565,851 km (0.068 R)
• M11: 7,105,899 km (0.062 R)
• M12: 8,173,130 km (0.117 R)
• M13: 8,727,839 km (0.068 R)
• M14: 9,123,525 km (0.048 R)
• M15: 9,720,720 km (0.117 R)
• M16: 12,599,581 km (0.09 R)
• M17: 14,258,323 km (0.116 R)
• M18: 14,757,830 km (0.093 R)
• M19: 16,708,885 km (0.095 R)
• M20: 18,353,864 km (0.11 R)
• M21: 19,610,934 km (0.111 R)
• M22: 20,733,218 km (0.088 R)
• M23: 21,310,366 km (0.079 R)
• M24: 21,832,164 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 6.7

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.56 AU - 6.98 AU

Year: 10837 Days

Day: 20.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,682,852 km

• M1: 84,523 km (0.086 R)
• M2: 507,286 km (0.052 R)
• M3: 810,671 km (0.106 R)
• M4: 2,068,939 km (0.08 R)
• M5: 2,318,468 km (0.081 R)
• M6: 2,567,997 km (0.115 R)
• M7: 2,987,021 km (0.109 R)
• M8: 3,649,440 km (0.089 R)
• M9: 4,291,514 km (0.076 R)
• M10: 5,359,344 km (0.082 R)
• M11: 5,867,528 km (0.055 R)
• M12: 7,502,483 km (0.043 R)
• M13: 9,516,070 km (0.083 R)
• M14: 10,777,779 km (0.056 R)
• M15: 11,042,866 km (0.097 R)
• M16: 12,492,469 km (0.082 R)
• M17: 12,844,324 km (0.075 R)
• M18: 14,001,762 km (0.09 R)
• M19: 14,638,301 km (0.09 R)
• M20: 17,377,887 km (0.043 R)
• M21: 17,964,012 km (0.033 R)
• M22: 27,711,061 km (0.113 R)
• M23: 28,611,939 km (0.062 R)
• M24: 32,191,667 km (0.108 R)
• M25: 33,748,681 km (0.115 R)
• M26: 34,775,671 km (0.119 R)
• M27: 38,843,835 km (0.108 R)
• M28: 41,249,818 km (0.078 R)
• M29: 41,638,623 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.5

Radius: 5.3

Gravity: 27.82 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.83 AU - 6.91 AU

Year: 11097 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,682,852 km

• M1: 65,973 km (0.08 R)
• M2: 399,875 km (0.063 R)
• M3: 676,631 km (0.067 R)
• M4: 1,109,567 km (0.052 R)
• M5: 1,470,697 km (0.074 R)
• M6: 1,940,733 km (0.047 R)
• M7: 2,651,921 km (0.094 R)
• M8: 2,961,888 km (0.072 R)
• M9: 3,471,867 km (0.03 R)
• M10: 4,329,063 km (0.082 R)
• M11: 4,984,601 km (0.109 R)
• M12: 5,958,932 km (0.108 R)
• M13: 7,389,836 km (0.113 R)
• M14: 7,692,622 km (0.055 R)
• M15: 7,958,607 km (0.094 R)
• M16: 8,276,801 km (0.085 R)
• M17: 8,841,683 km (0.079 R)
• M18: 10,745,765 km (0.026 R)
• M19: 14,655,804 km (0.088 R)
• M20: 14,996,139 km (0.054 R)
• M21: 21,618,239 km (0.077 R)
• M22: 25,806,081 km (0.086 R)
• M23: 28,246,322 km (0.082 R)
• M24: 29,092,747 km (0.047 R)
• M25: 29,306,971 km (0.114 R)
• M26: 31,058,762 km (0.065 R)
• M27: 32,879,218 km (0.03 R)
• M28: 33,579,785 km (0.116 R)
• M29: 38,506,941 km (0.112 R)
• M30: 41,007,469 km (0.103 R)
• M31: 42,779,456 km (0.095 R)
• M32: 47,209,498 km (0.093 R)
• M33: 51,465,258 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.8

Radius: 7.9

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.68 AU - 9.7 AU

Year: 17682 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,682,852 km

• M1: 98,286 km (0.093 R)
• M2: 519,254 km (0.055 R)
• M3: 868,116 km (0.045 R)
• M4: 1,141,581 km (0.109 R)
• M5: 1,413,849 km (0.088 R)
• M6: 1,729,501 km (0.1 R)
• M7: 2,333,727 km (0.118 R)
• M8: 2,639,056 km (0.099 R)
• M9: 2,922,095 km (0.025 R)
• M10: 3,521,683 km (0.037 R)
• M11: 3,985,138 km (0.063 R)
• M12: 5,105,476 km (0.099 R)
• M13: 6,380,948 km (0.112 R)
• M14: 8,495,663 km (0.103 R)
• M15: 10,160,089 km (0.059 R)
• M16: 12,159,016 km (0.06 R)
• M17: 13,081,287 km (0.059 R)
• M18: 15,138,856 km (0.032 R)
• M19: 15,742,483 km (0.075 R)
• M20: 18,744,464 km (0.111 R)
• M21: 20,063,318 km (0.115 R)
• M22: 23,881,056 km (0.041 R)
• M23: 24,389,838 km (0.066 R)
• M24: 25,324,077 km (0.108 R)
• M25: 25,746,841 km (0.09 R)
• M26: 30,593,662 km (0.116 R)
• M27: 35,092,369 km (0.08 R)
• M28: 36,015,538 km (0.104 R)
• M29: 38,602,683 km (0.102 R)
• M30: 41,311,302 km (0.109 R)
• M31: 46,627,861 km (0.11 R)
• M32: 47,263,054 km (0.086 R)
• M33: 53,762,034 km (0.096 R)
• M34: 55,341,937 km (0.107 R)
• M35: 60,267,297 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 19,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit