🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 9.6

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 12.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,707,693 km

• M1: 119,529 km (0.031 R)
• M2: 433,983 km (0.092 R)
• M3: 829,670 km (0.048 R)
• M4: 1,129,314 km (0.056 R)
• M5: 1,554,172 km (0.109 R)
• M6: 1,944,922 km (0.045 R)
• M7: 3,101,164 km (0.106 R)
• M8: 3,702,547 km (0.058 R)
• M9: 4,313,804 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.4

Radius: 11.2

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.77 AU - 1.13 AU

Year: 639 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,707,693 km

• M1: 139,276 km (0.089 R)
• M2: 541,843 km (0.079 R)
• M3: 908,957 km (0.112 R)
• M4: 1,501,813 km (0.097 R)
• M5: 2,074,474 km (0.078 R)
• M6: 2,777,135 km (0.069 R)
• M7: 3,255,250 km (0.113 R)
• M8: 3,889,545 km (0.035 R)
• M9: 4,490,479 km (0.07 R)
• M10: 4,941,966 km (0.106 R)
• M11: 5,516,272 km (0.102 R)
• M12: 5,878,000 km (0.112 R)
• M13: 6,357,610 km (0.11 R)
• M14: 6,884,943 km (0.093 R)
• M15: 7,237,545 km (0.113 R)
• M16: 7,931,530 km (0.106 R)
• M17: 8,319,437 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 8.6

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.39 AU - 1.63 AU

Year: 1281 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,707,693 km

• M1: 107,112 km (0.092 R)
• M2: 376,987 km (0.068 R)
• M3: 763,099 km (0.101 R)
• M4: 1,308,383 km (0.111 R)
• M5: 1,611,767 km (0.115 R)
• M6: 2,038,570 km (0.1 R)
• M7: 2,315,177 km (0.086 R)
• M8: 3,457,506 km (0.075 R)
• M9: 4,045,575 km (0.096 R)
• M10: 4,777,558 km (0.088 R)
• M11: 6,142,788 km (0.11 R)
• M12: 6,750,903 km (0.109 R)
• M13: 8,637,931 km (0.109 R)
• M14: 8,968,243 km (0.071 R)
• M15: 9,432,295 km (0.109 R)
• M16: 10,043,103 km (0.103 R)
• M17: 10,375,061 km (0.118 R)
• M18: 10,956,099 km (0.111 R)
• M19: 11,960,350 km (0.071 R)
• M20: 12,791,366 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 8.3

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.53 AU - 1.59 AU

Year: 1345 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,707,693 km

• M1: 103,372 km (0.095 R)
• M2: 538,104 km (0.081 R)
• M3: 867,518 km (0.089 R)
• M4: 1,134,101 km (0.076 R)
• M5: 1,456,335 km (0.063 R)
• M6: 2,496,340 km (0.085 R)
• M7: 3,300,578 km (0.083 R)
• M8: 3,746,080 km (0.096 R)
• M9: 4,141,617 km (0.049 R)
• M10: 4,433,034 km (0.065 R)
• M11: 4,996,270 km (0.115 R)
• M12: 5,476,180 km (0.097 R)
• M13: 5,986,458 km (0.084 R)
• M14: 8,581,682 km (0.05 R)
• M15: 9,930,905 km (0.084 R)
• M16: 10,190,757 km (0.105 R)
• M17: 10,521,817 km (0.073 R)
• M18: 12,212,123 km (0.048 R)
• M19: 12,472,872 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 11

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.56 AU - 1.96 AU

Year: 1612 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,707,693 km

• M1: 141,968 km (0.081 R)
• M2: 523,443 km (0.065 R)
• M3: 1,083,687 km (0.062 R)
• M4: 1,687,314 km (0.079 R)
• M5: 2,872,728 km (0.094 R)
• M6: 3,324,513 km (0.095 R)
• M7: 4,055,000 km (0.085 R)
• M8: 4,645,612 km (0.091 R)
• M9: 8,529,023 km (0.048 R)
• M10: 9,210,741 km (0.064 R)
• M11: 11,038,677 km (0.097 R)
• M12: 11,999,993 km (0.102 R)
• M13: 12,697,718 km (0.091 R)
• M14: 14,344,940 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 14.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.09 AU - 3.03 AU

Year: 2827 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,707,693 km

• M1: 183,706 km (0.088 R)
• M2: 708,944 km (0.101 R)
• M3: 1,274,574 km (0.099 R)
• M4: 4,224,793 km (0.06 R)
• M5: 6,365,090 km (0.111 R)
• M6: 6,943,585 km (0.049 R)
• M7: 7,818,434 km (0.092 R)
• M8: 9,119,785 km (0.112 R)
• M9: 10,169,663 km (0.103 R)
• M10: 13,335,902 km (0.074 R)
• M11: 14,553,330 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 13.3

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.86 AU - 3.16 AU

Year: 3605 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,707,693 km

• M1: 165,904 km (0.06 R)
• M2: 581,337 km (0.112 R)
• M3: 1,179,878 km (0.101 R)
• M4: 1,799,812 km (0.118 R)
• M5: 2,569,942 km (0.119 R)
• M6: 3,493,260 km (0.068 R)
• M7: 3,969,879 km (0.119 R)
• M8: 5,668,114 km (0.112 R)
• M9: 6,650,373 km (0.05 R)
• M10: 7,166,785 km (0.036 R)
• M11: 9,356,748 km (0.118 R)
• M12: 10,084,991 km (0.117 R)
• M13: 10,523,761 km (0.071 R)
• M14: 12,544,230 km (0.06 R)
• M15: 12,958,916 km (0.084 R)
• M16: 13,670,403 km (0.089 R)
• M17: 14,158,990 km (0.115 R)
• M18: 14,760,822 km (0.03 R)
• M19: 15,379,708 km (0.081 R)
• M20: 16,231,668 km (0.089 R)
• M21: 17,002,696 km (0.043 R)
• M22: 17,511,179 km (0.07 R)
• M23: 18,381,090 km (0.086 R)
• M24: 20,396,622 km (0.045 R)
• M25: 20,842,424 km (0.062 R)
• M26: 22,152,004 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 13.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.73 AU - 3.97 AU

Year: 5214 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,707,693 km

• M1: 168,298 km (0.066 R)
• M2: 785,538 km (0.091 R)
• M3: 1,226,403 km (0.061 R)
• M4: 1,761,216 km (0.053 R)
• M5: 2,202,679 km (0.052 R)
• M6: 2,718,941 km (0.084 R)
• M7: 3,864,263 km (0.083 R)
• M8: 4,852,656 km (0.026 R)
• M9: 5,505,650 km (0.097 R)
• M10: 6,594,723 km (0.115 R)
• M11: 7,895,028 km (0.116 R)
• M12: 9,441,570 km (0.098 R)
• M13: 10,028,144 km (0.1 R)
• M14: 10,594,372 km (0.098 R)
• M15: 12,274,804 km (0.112 R)
• M16: 13,333,658 km (0.117 R)
• M17: 13,912,153 km (0.115 R)
• M18: 14,343,444 km (0.111 R)
• M19: 15,690,872 km (0.103 R)
• M20: 20,308,809 km (0.049 R)
• M21: 21,933,591 km (0.108 R)
• M22: 23,113,918 km (0.107 R)
• M23: 26,660,734 km (0.093 R)
• M24: 28,693,470 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 10.6

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.29 AU - 5.09 AU

Year: 5920 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,707,693 km

• M1: 146,157 km (0.071 R)
• M2: 511,924 km (0.113 R)
• M3: 904,768 km (0.12 R)
• M4: 1,264,102 km (0.118 R)
• M5: 1,654,403 km (0.116 R)
• M6: 2,063,852 km (0.052 R)
• M7: 3,383,305 km (0.061 R)
• M8: 4,248,879 km (0.081 R)
• M9: 5,025,740 km (0.038 R)
• M10: 6,930,869 km (0.108 R)
• M11: 7,967,583 km (0.063 R)
• M12: 8,442,406 km (0.087 R)
• M13: 9,845,933 km (0.114 R)
• M14: 14,112,465 km (0.047 R)
• M15: 15,105,047 km (0.075 R)
• M16: 16,143,705 km (0.102 R)
• M17: 16,840,681 km (0.113 R)
• M18: 17,623,826 km (0.093 R)
• M19: 21,225,245 km (0.114 R)
• M20: 24,372,485 km (0.092 R)
• M21: 25,799,798 km (0.1 R)
• M22: 27,459,886 km (0.097 R)
• M23: 27,908,380 km (0.113 R)
• M24: 31,283,159 km (0.1 R)
• M25: 33,780,845 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25

Radius: 3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.77 AU - 8.71 AU

Year: 14864 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,707,693 km

• M1: 37,399 km (0.079 R)
• M2: 183,557 km (0.114 R)
• M3: 285,582 km (0.066 R)
• M4: 695,780 km (0.119 R)
• M5: 893,548 km (0.104 R)
• M6: 2,036,177 km (0.101 R)
• M7: 2,366,489 km (0.098 R)
• M8: 3,045,513 km (0.092 R)
• M9: 3,438,956 km (0.06 R)
• M10: 5,205,856 km (0.12 R)
• M11: 5,713,891 km (0.104 R)
• M12: 7,592,840 km (0.103 R)
• M13: 8,688,046 km (0.099 R)
• M14: 10,501,920 km (0.083 R)
• M15: 15,105,944 km (0.089 R)
• M16: 16,663,707 km (0.119 R)
• M17: 17,592,261 km (0.117 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: 406 - 13,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit