🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 8

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.56 AU - 0.76 AU

Year: 377 Days

Day: 13.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,931,574 km

• M1: 100,380 km (0.075 R)
• M2: 360,381 km (0.037 R)
• M3: 636,838 km (0.103 R)
• M4: 996,920 km (0.11 R)
• M5: 1,305,541 km (0.104 R)
• M6: 1,608,925 km (0.095 R)
• M7: 1,905,278 km (0.072 R)
• M8: 2,571,288 km (0.064 R)
• M9: 3,021,279 km (0.104 R)
• M10: 3,475,907 km (0.05 R)
• M11: 3,887,001 km (0.12 R)
• M12: 4,222,849 km (0.078 R)
• M13: 4,662,816 km (0.114 R)
• M14: 5,148,261 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 10.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.72 AU - 0.8 AU

Year: 466 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,931,574 km

• M1: 130,749 km (0.08 R)
• M2: 473,926 km (0.084 R)
• M3: 804,986 km (0.101 R)
• M4: 1,141,581 km (0.064 R)
• M5: 1,633,160 km (0.097 R)
• M6: 1,978,133 km (0.1 R)
• M7: 2,441,587 km (0.108 R)
• M8: 3,452,868 km (0.088 R)
• M9: 4,179,465 km (0.065 R)
• M10: 4,518,903 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.4

Radius: 9.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.86 AU - 0.96 AU

Year: 610 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,931,574 km

• M1: 123,119 km (0.058 R)
• M2: 533,466 km (0.066 R)
• M3: 882,179 km (0.095 R)
• M4: 1,218,774 km (0.1 R)
• M5: 1,774,829 km (0.109 R)
• M6: 3,082,763 km (0.11 R)
• M7: 4,853,254 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 9.6

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.86 AU - 0.98 AU

Year: 620 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 128.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,931,574 km

• M1: 119,379 km (0.093 R)
• M2: 538,852 km (0.041 R)
• M3: 1,260,960 km (0.091 R)
• M4: 1,577,360 km (0.096 R)
• M5: 2,011,343 km (0.094 R)
• M6: 2,343,899 km (0.1 R)
• M7: 2,736,295 km (0.068 R)
• M8: 3,071,543 km (0.091 R)
• M9: 3,724,987 km (0.114 R)
• M10: 4,648,006 km (0.088 R)
• M11: 5,057,455 km (0.113 R)
• M12: 5,640,737 km (0.058 R)
• M13: 6,146,977 km (0.112 R)
• M14: 7,523,277 km (0.086 R)
• M15: 7,944,993 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.1

Radius: 9.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.44 AU - 4.92 AU

Year: 6007 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,931,574 km

• M1: 121,922 km (0.118 R)
• M2: 498,610 km (0.085 R)
• M3: 1,370,316 km (0.109 R)
• M4: 1,772,436 km (0.083 R)
• M5: 2,093,921 km (0.095 R)
• M6: 2,761,726 km (0.109 R)
• M7: 3,454,364 km (0.107 R)
• M8: 3,841,973 km (0.075 R)
• M9: 4,412,688 km (0.074 R)
• M10: 5,388,814 km (0.119 R)
• M11: 12,204,493 km (0.052 R)
• M12: 13,053,312 km (0.058 R)
• M13: 14,457,737 km (0.077 R)
• M14: 14,868,383 km (0.041 R)
• M15: 18,303,150 km (0.106 R)
• M16: 21,618,987 km (0.104 R)
• M17: 23,337,866 km (0.039 R)
• M18: 28,762,135 km (0.064 R)
• M19: 29,788,227 km (0.108 R)
• M20: 31,226,461 km (0.076 R)
• M21: 32,510,011 km (0.076 R)
• M22: 33,418,968 km (0.091 R)
• M23: 33,725,793 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 10.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.02 AU - 5.82 AU

Year: 8870 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 103.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,931,574 km

• M1: 129,103 km (0.09 R)
• M2: 674,387 km (0.104 R)
• M3: 2,274,785 km (0.079 R)
• M4: 3,168,034 km (0.051 R)
• M5: 6,120,049 km (0.091 R)
• M6: 10,544,855 km (0.054 R)
• M7: 11,944,044 km (0.081 R)
• M8: 13,955,686 km (0.099 R)
• M9: 15,041,916 km (0.066 R)
• M10: 16,183,647 km (0.085 R)
• M11: 19,019,724 km (0.089 R)
• M12: 19,405,836 km (0.037 R)
• M13: 21,084,773 km (0.102 R)
• M14: 25,655,586 km (0.059 R)
• M15: 29,902,370 km (0.079 R)
• M16: 35,520,070 km (0.08 R)
• M17: 35,870,877 km (0.115 R)
• M18: 40,009,951 km (0.092 R)
• M19: 42,851,562 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.6

Radius: 7.1

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.19 AU - 6.27 AU

Year: 10931 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,931,574 km

• M1: 88,412 km (0.118 R)
• M2: 312,809 km (0.111 R)
• M3: 579,393 km (0.103 R)
• M4: 2,253,094 km (0.077 R)
• M5: 2,512,646 km (0.08 R)
• M6: 3,136,918 km (0.106 R)
• M7: 4,043,780 km (0.062 R)
• M8: 6,695,402 km (0.065 R)
• M9: 7,078,074 km (0.119 R)
• M10: 10,682,784 km (0.118 R)
• M11: 11,799,831 km (0.1 R)
• M12: 13,770,634 km (0.065 R)
• M13: 22,984,067 km (0.086 R)
• M14: 23,854,428 km (0.077 R)
• M15: 27,751,452 km (0.045 R)
• M16: 34,473,932 km (0.046 R)
• M17: 38,451,290 km (0.111 R)
• M18: 39,306,541 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.5

Radius: 7.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.04 AU - 7.16 AU

Year: 11919 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,931,574 km

• M1: 92,451 km (0.087 R)
• M2: 369,656 km (0.065 R)
• M3: 1,362,537 km (0.107 R)
• M4: 3,143,350 km (0.051 R)
• M5: 3,715,413 km (0.046 R)
• M6: 4,480,905 km (0.077 R)
• M7: 5,148,860 km (0.103 R)
• M8: 5,942,925 km (0.104 R)
• M9: 7,883,209 km (0.055 R)
• M10: 9,017,012 km (0.046 R)
• M11: 15,751,010 km (0.116 R)
• M12: 18,782,162 km (0.12 R)
• M13: 21,588,469 km (0.082 R)
• M14: 24,823,223 km (0.109 R)
• M15: 25,638,532 km (0.092 R)
• M16: 26,555,716 km (0.086 R)
• M17: 27,667,677 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.9

Radius: 7.7

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.34 AU - 6.9 AU

Year: 11973 Days

Day: 18.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,931,574 km

• M1: 96,640 km (0.093 R)
• M2: 364,420 km (0.106 R)
• M3: 866,172 km (0.079 R)
• M4: 1,758,523 km (0.087 R)
• M5: 2,056,971 km (0.051 R)
• M6: 2,444,579 km (0.105 R)
• M7: 5,065,833 km (0.026 R)
• M8: 5,575,213 km (0.073 R)
• M9: 7,630,239 km (0.072 R)
• M10: 8,002,140 km (0.1 R)
• M11: 11,004,719 km (0.091 R)
• M12: 11,749,417 km (0.08 R)
• M13: 15,456,003 km (0.114 R)
• M14: 19,875,274 km (0.069 R)
• M15: 30,480,716 km (0.084 R)
• M16: 35,469,206 km (0.092 R)
• M17: 39,000,165 km (0.084 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: 241 - 15,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit