🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 14

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,896,330 km

• M1: 174,132 km (0.103 R)
• M2: 674,238 km (0.037 R)
• M3: 1,175,690 km (0.026 R)
• M4: 1,868,328 km (0.113 R)
• M5: 2,929,874 km (0.082 R)
• M6: 3,483,237 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 8.3

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.8 AU - 1 AU

Year: 589 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,896,330 km

• M1: 103,223 km (0.111 R)
• M2: 364,720 km (0.118 R)
• M3: 644,617 km (0.117 R)
• M4: 941,569 km (0.111 R)
• M5: 1,216,679 km (0.106 R)
• M6: 1,643,183 km (0.088 R)
• M7: 1,934,749 km (0.032 R)
• M8: 2,387,732 km (0.088 R)
• M9: 3,378,070 km (0.07 R)
• M10: 3,717,507 km (0.098 R)
• M11: 4,181,111 km (0.106 R)
• M12: 4,907,259 km (0.065 R)
• M13: 5,395,846 km (0.083 R)
• M14: 5,733,189 km (0.104 R)
• M15: 6,160,291 km (0.08 R)
• M16: 6,974,402 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.3

Radius: 10.7

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.99 AU - 1.35 AU

Year: 874 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,896,330 km

• M1: 133,740 km (0.116 R)
• M2: 542,292 km (0.092 R)
• M3: 893,398 km (0.102 R)
• M4: 1,335,460 km (0.117 R)
• M5: 1,903,184 km (0.067 R)
• M6: 2,686,778 km (0.038 R)
• M7: 3,523,329 km (0.099 R)
• M8: 4,051,110 km (0.115 R)
• M9: 4,437,671 km (0.106 R)
• M10: 5,130,459 km (0.068 R)
• M11: 5,789,288 km (0.111 R)
• M12: 6,259,325 km (0.117 R)
• M13: 6,685,529 km (0.089 R)
• M14: 7,571,298 km (0.094 R)
• M15: 8,107,905 km (0.096 R)
• M16: 8,724,548 km (0.044 R)
• M17: 9,546,289 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 9.7

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.29 AU - 1.41 AU

Year: 1083 Days

Day: 5.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,896,330 km

• M1: 120,576 km (0.105 R)
• M2: 570,716 km (0.059 R)
• M3: 1,533,229 km (0.109 R)
• M4: 2,044,255 km (0.077 R)
• M5: 2,717,146 km (0.065 R)
• M6: 3,127,044 km (0.068 R)
• M7: 3,738,002 km (0.059 R)
• M8: 4,072,204 km (0.108 R)
• M9: 4,555,106 km (0.115 R)
• M10: 5,258,216 km (0.113 R)
• M11: 5,897,896 km (0.061 R)
• M12: 6,636,610 km (0.092 R)
• M13: 7,358,121 km (0.111 R)
• M14: 8,131,093 km (0.104 R)
• M15: 9,838,154 km (0.058 R)
• M16: 10,742,623 km (0.062 R)
• M17: 11,631,085 km (0.039 R)
• M18: 12,057,289 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 8.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.12 AU - 3.28 AU

Year: 3062 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,896,330 km

• M1: 103,223 km (0.074 R)
• M2: 450,888 km (0.075 R)
• M3: 739,761 km (0.049 R)
• M4: 1,029,832 km (0.069 R)
• M5: 1,602,193 km (0.11 R)
• M6: 1,882,540 km (0.117 R)
• M7: 2,397,904 km (0.058 R)
• M8: 2,753,199 km (0.112 R)
• M9: 3,501,937 km (0.091 R)
• M10: 4,128,752 km (0.066 R)
• M11: 4,600,284 km (0.105 R)
• M12: 5,284,545 km (0.092 R)
• M13: 5,769,242 km (0.098 R)
• M14: 6,461,282 km (0.096 R)
• M15: 7,430,975 km (0.103 R)
• M16: 10,523,313 km (0.105 R)
• M17: 11,104,800 km (0.115 R)
• M18: 15,052,837 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 11.3

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.5 AU - 4 AU

Year: 4044 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,896,330 km

• M1: 140,622 km (0.114 R)
• M2: 685,457 km (0.087 R)
• M3: 1,078,451 km (0.081 R)
• M4: 1,637,947 km (0.12 R)
• M5: 2,014,036 km (0.109 R)
• M6: 2,749,010 km (0.104 R)
• M7: 3,385,998 km (0.107 R)
• M8: 3,915,425 km (0.07 R)
• M9: 5,358,446 km (0.051 R)
• M10: 5,900,738 km (0.074 R)
• M11: 7,029,006 km (0.108 R)
• M12: 7,893,382 km (0.063 R)
• M13: 10,647,778 km (0.112 R)
• M14: 14,523,560 km (0.098 R)
• M15: 17,473,031 km (0.095 R)
• M16: 19,185,927 km (0.067 R)
• M17: 23,840,365 km (0.118 R)
• M18: 27,496,837 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 10.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.69 AU - 4.39 AU

Year: 4597 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,896,330 km

• M1: 132,095 km (0.083 R)
• M2: 862,881 km (0.089 R)
• M3: 1,450,651 km (0.06 R)
• M4: 2,676,306 km (0.058 R)
• M5: 3,122,556 km (0.109 R)
• M6: 3,794,550 km (0.082 R)
• M7: 5,004,498 km (0.076 R)
• M8: 5,658,988 km (0.09 R)
• M9: 6,061,855 km (0.086 R)
• M10: 6,398,002 km (0.071 R)
• M11: 7,046,808 km (0.105 R)
• M12: 7,674,072 km (0.112 R)
• M13: 9,705,311 km (0.025 R)
• M14: 10,049,985 km (0.029 R)
• M15: 11,258,287 km (0.09 R)
• M16: 11,767,817 km (0.076 R)
• M17: 12,292,607 km (0.067 R)
• M18: 13,436,282 km (0.073 R)
• M19: 13,768,838 km (0.102 R)
• M20: 15,671,424 km (0.111 R)
• M21: 16,093,440 km (0.111 R)
• M22: 16,904,859 km (0.083 R)
• M23: 18,028,937 km (0.1 R)
• M24: 19,382,349 km (0.05 R)
• M25: 19,746,321 km (0.111 R)
• M26: 21,120,227 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 12.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.51 AU - 4.75 AU

Year: 5793 Days

Day: 8 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,896,330 km

• M1: 155,582 km (0.11 R)
• M2: 544,237 km (0.102 R)
• M3: 1,269,488 km (0.066 R)
• M4: 1,917,546 km (0.111 R)
• M5: 2,426,328 km (0.093 R)
• M6: 3,044,317 km (0.114 R)
• M7: 3,788,117 km (0.116 R)
• M8: 4,702,759 km (0.029 R)
• M9: 5,284,395 km (0.032 R)
• M10: 6,166,125 km (0.038 R)
• M11: 6,558,819 km (0.084 R)
• M12: 7,322,217 km (0.11 R)
• M13: 8,820,590 km (0.102 R)
• M14: 9,620,639 km (0.066 R)
• M15: 10,376,856 km (0.118 R)
• M16: 11,560,624 km (0.11 R)
• M17: 12,779,847 km (0.067 R)
• M18: 16,448,884 km (0.083 R)
• M19: 17,400,776 km (0.112 R)
• M20: 20,119,118 km (0.08 R)
• M21: 20,622,366 km (0.085 R)
• M22: 23,265,910 km (0.073 R)
• M23: 26,899,941 km (0.103 R)
• M24: 27,423,234 km (0.07 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.6

Radius: 10.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.82 AU - 5.28 AU

Year: 7833 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,896,330 km

• M1: 133,441 km (0.095 R)
• M2: 587,770 km (0.1 R)
• M3: 921,224 km (0.078 R)
• M4: 1,425,817 km (0.088 R)
• M5: 1,944,772 km (0.068 R)
• M6: 4,335,197 km (0.113 R)
• M7: 4,921,022 km (0.118 R)
• M8: 5,791,981 km (0.087 R)
• M9: 6,617,761 km (0.069 R)
• M10: 7,241,285 km (0.082 R)
• M11: 8,166,099 km (0.117 R)
• M12: 8,571,060 km (0.086 R)
• M13: 9,531,628 km (0.11 R)
• M14: 15,285,312 km (0.086 R)
• M15: 17,238,911 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.3

Radius: 3.3

Gravity: 51.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.3 AU - 6.04 AU

Year: 9319 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,896,330 km

• M1: 41,139 km (0.117 R)
• M2: 151,243 km (0.079 R)
• M3: 270,772 km (0.082 R)
• M4: 562,488 km (0.083 R)
• M5: 726,896 km (0.07 R)
• M6: 1,268,889 km (0.092 R)
• M7: 1,910,066 km (0.077 R)
• M8: 3,330,797 km (0.075 R)
• M9: 3,666,793 km (0.114 R)
• M10: 3,792,156 km (0.1 R)
• M11: 5,659,287 km (0.075 R)
• M12: 5,826,687 km (0.068 R)
• M13: 7,770,562 km (0.063 R)
• M14: 11,065,904 km (0.096 R)
• M15: 11,170,323 km (0.117 R)
• M16: 13,875,950 km (0.099 R)
• M17: 16,439,908 km (0.079 R)
• M18: 17,548,279 km (0.086 R)
• M19: 21,010,273 km (0.077 R)
• M20: 22,985,264 km (0.097 R)
• M21: 23,325,898 km (0.104 R)
• M22: 23,670,123 km (0.08 R)
• M23: 30,867,875 km (0.099 R)
• M24: 34,734,830 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 12,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit