🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.8

Radius: 9.9

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.66 AU - 0.74 AU

Year: 378 Days

Day: 9.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,224,173 km

• M1: 123,269 km (0.082 R)
• M2: 449,542 km (0.09 R)
• M3: 778,507 km (0.067 R)
• M4: 1,213,239 km (0.103 R)
• M5: 1,652,907 km (0.1 R)
• M6: 2,171,413 km (0.084 R)
• M7: 2,653,717 km (0.1 R)
• M8: 4,315,450 km (0.115 R)
• M9: 4,732,080 km (0.091 R)
• M10: 5,206,903 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 11

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.73 AU - 0.73 AU

Year: 403 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,224,173 km

• M1: 136,732 km (0.114 R)
• M2: 485,894 km (0.108 R)
• M3: 832,811 km (0.104 R)
• M4: 1,603,988 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 8.6

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.08 AU - 1.16 AU

Year: 765 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,224,173 km

• M1: 107,710 km (0.045 R)
• M2: 653,892 km (0.056 R)
• M3: 1,044,792 km (0.071 R)
• M4: 1,421,180 km (0.027 R)
• M5: 1,706,613 km (0.117 R)
• M6: 1,981,873 km (0.102 R)
• M7: 2,706,824 km (0.107 R)
• M8: 3,244,927 km (0.096 R)
• M9: 3,554,296 km (0.073 R)
• M10: 3,945,345 km (0.083 R)
• M11: 4,690,192 km (0.048 R)
• M12: 5,274,522 km (0.103 R)
• M13: 5,825,042 km (0.102 R)
• M14: 6,721,881 km (0.089 R)
• M15: 8,209,931 km (0.106 R)
• M16: 8,680,416 km (0.092 R)
• M17: 9,223,906 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.2

Radius: 14.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.38 AU - 2.16 AU

Year: 1520 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,224,173 km

• M1: 257,009 km (0.092 R)
• M2: 723,007 km (0.069 R)
• M3: 1,220,569 km (0.12 R)
• M4: 1,776,624 km (0.111 R)
• M5: 2,501,576 km (0.076 R)
• M6: 3,497,000 km (0.089 R)
• M7: 4,176,174 km (0.078 R)
• M8: 5,165,166 km (0.103 R)
• M9: 6,127,080 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 14

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.46 AU - 3 AU

Year: 2912 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,224,173 km

• M1: 174,132 km (0.058 R)
• M2: 617,540 km (0.079 R)
• M3: 1,070,822 km (0.071 R)
• M4: 1,898,397 km (0.102 R)
• M5: 4,962,012 km (0.119 R)
• M6: 5,600,645 km (0.103 R)
• M7: 7,013,597 km (0.064 R)
• M8: 8,279,195 km (0.092 R)
• M9: 8,756,412 km (0.055 R)
• M10: 9,360,788 km (0.119 R)
• M11: 12,018,543 km (0.101 R)
• M12: 12,721,055 km (0.109 R)
• M13: 14,016,423 km (0.1 R)
• M14: 15,195,404 km (0.107 R)
• M15: 16,599,529 km (0.12 R)
• M16: 18,031,779 km (0.047 R)
• M17: 19,485,272 km (0.112 R)
• M18: 20,149,038 km (0.101 R)
• M19: 20,952,977 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 14

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.82 AU - 3.36 AU

Year: 3507 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,224,173 km

• M1: 174,132 km (0.03 R)
• M2: 724,353 km (0.097 R)
• M3: 1,178,083 km (0.103 R)
• M4: 1,672,654 km (0.111 R)
• M5: 2,717,296 km (0.048 R)
• M6: 3,857,680 km (0.097 R)
• M7: 4,346,267 km (0.058 R)
• M8: 4,835,452 km (0.103 R)
• M9: 5,318,055 km (0.099 R)
• M10: 5,996,032 km (0.082 R)
• M11: 6,529,349 km (0.096 R)
• M12: 7,094,380 km (0.102 R)
• M13: 7,691,874 km (0.088 R)
• M14: 8,864,571 km (0.117 R)
• M15: 9,397,738 km (0.098 R)
• M16: 11,785,769 km (0.109 R)
• M17: 13,261,552 km (0.079 R)
• M18: 13,752,233 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 14.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.51 AU - 4.71 AU

Year: 5380 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,224,173 km

• M1: 176,675 km (0.088 R)
• M2: 634,744 km (0.085 R)
• M3: 1,356,703 km (0.043 R)
• M4: 1,896,303 km (0.086 R)
• M5: 2,361,552 km (0.102 R)
• M6: 4,368,557 km (0.107 R)
• M7: 4,835,901 km (0.117 R)
• M8: 5,423,521 km (0.113 R)
• M9: 6,509,153 km (0.099 R)
• M10: 9,193,088 km (0.098 R)
• M11: 10,098,455 km (0.099 R)
• M12: 11,157,308 km (0.074 R)
• M13: 11,936,713 km (0.079 R)
• M14: 19,123,844 km (0.117 R)
• M15: 28,052,443 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.8

Radius: 6.9

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.23 AU - 8.03 AU

Year: 13608 Days

Day: 20.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,224,173 km

• M1: 85,869 km (0.118 R)
• M2: 356,342 km (0.082 R)
• M3: 631,303 km (0.089 R)
• M4: 1,241,662 km (0.106 R)
• M5: 2,116,511 km (0.078 R)
• M6: 2,470,609 km (0.08 R)
• M7: 2,728,216 km (0.109 R)
• M8: 3,557,288 km (0.109 R)
• M9: 3,886,852 km (0.08 R)
• M10: 7,002,228 km (0.075 R)
• M11: 10,394,359 km (0.097 R)
• M12: 12,134,781 km (0.114 R)
• M13: 13,010,078 km (0.11 R)
• M14: 14,676,449 km (0.097 R)
• M15: 22,957,588 km (0.044 R)
• M16: 24,881,267 km (0.119 R)
• M17: 25,780,949 km (0.105 R)
• M18: 35,374,660 km (0.081 R)
• M19: 35,750,899 km (0.116 R)
• M20: 39,932,459 km (0.11 R)
• M21: 48,167,971 km (0.117 R)
• M22: 50,667,901 km (0.105 R)
• M23: 54,578,090 km (0.068 R)
• M24: 57,986,379 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.6

Radius: 6.9

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.18 AU - 8.58 AU

Year: 15663 Days

Day: 22.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,224,173 km

• M1: 88,113 km (0.061 R)
• M2: 343,776 km (0.087 R)
• M3: 919,877 km (0.09 R)
• M4: 1,145,172 km (0.102 R)
• M5: 1,523,954 km (0.101 R)
• M6: 2,774,143 km (0.12 R)
• M7: 4,344,322 km (0.11 R)
• M8: 4,956,477 km (0.108 R)
• M9: 5,847,631 km (0.046 R)
• M10: 6,311,385 km (0.093 R)
• M11: 8,415,329 km (0.075 R)
• M12: 9,784,150 km (0.088 R)
• M13: 11,531,602 km (0.118 R)
• M14: 12,699,962 km (0.096 R)
• M15: 14,217,482 km (0.068 R)
• M16: 15,414,116 km (0.084 R)
• M17: 15,778,387 km (0.113 R)
• M18: 17,607,969 km (0.086 R)
• M19: 19,744,525 km (0.114 R)
• M20: 20,348,003 km (0.109 R)
• M21: 22,232,488 km (0.102 R)
• M22: 23,455,600 km (0.092 R)
• M23: 25,932,791 km (0.117 R)
• M24: 28,469,821 km (0.098 R)
• M25: 31,167,819 km (0.108 R)
• M26: 33,421,062 km (0.056 R)
• M27: 36,936,013 km (0.07 R)
• M28: 49,732,466 km (0.106 R)
• M29: 51,170,700 km (0.061 R)
• M30: 53,628,892 km (0.113 R)
• M31: 54,971,533 km (0.081 R)
• M32: 57,899,013 km (0.104 R)
• M33: 59,311,816 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78

Radius: 4.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.65 AU - 11.33 AU

Year: 21937 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,224,173 km

• M1: 61,485 km (0.041 R)
• M2: 304,880 km (0.094 R)
• M3: 1,025,942 km (0.099 R)
• M4: 1,494,034 km (0.067 R)
• M5: 1,754,484 km (0.118 R)
• M6: 2,261,172 km (0.107 R)
• M7: 2,511,449 km (0.117 R)
• M8: 2,900,703 km (0.103 R)
• M9: 5,164,866 km (0.094 R)
• M10: 5,760,416 km (0.094 R)
• M11: 6,719,936 km (0.067 R)
• M12: 8,863,075 km (0.1 R)
• M13: 14,018,816 km (0.088 R)
• M14: 16,982,649 km (0.084 R)
• M15: 18,503,312 km (0.112 R)
• M16: 19,150,771 km (0.09 R)
• M17: 26,931,955 km (0.083 R)
• M18: 28,043,766 km (0.074 R)
• M19: 28,326,357 km (0.096 R)
• M20: 29,089,456 km (0.058 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 12,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit