🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 8

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.74 AU - 1.2 AU

Year: 659 Days

Day: 12.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,858,234 km

• M1: 99,483 km (0.106 R)
• M2: 461,958 km (0.105 R)
• M3: 797,207 km (0.106 R)
• M4: 1,312,871 km (0.115 R)
• M5: 1,716,037 km (0.116 R)
• M6: 2,228,260 km (0.082 R)
• M7: 2,641,450 km (0.082 R)
• M8: 3,033,994 km (0.056 R)
• M9: 4,078,188 km (0.055 R)
• M10: 4,358,085 km (0.081 R)
• M11: 4,923,864 km (0.054 R)
• M12: 5,626,675 km (0.099 R)
• M13: 6,552,387 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 12.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.97 AU - 1.29 AU

Year: 829 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,858,234 km

• M1: 159,920 km (0.109 R)
• M2: 677,080 km (0.089 R)
• M3: 1,164,171 km (0.039 R)
• M4: 2,031,389 km (0.098 R)
• M5: 2,863,154 km (0.063 R)
• M6: 3,787,818 km (0.119 R)
• M7: 4,549,870 km (0.037 R)
• M8: 5,004,498 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 12.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.17 AU - 1.71 AU

Year: 1193 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,858,234 km

• M1: 160,818 km (0.111 R)
• M2: 783,743 km (0.106 R)
• M3: 1,364,183 km (0.105 R)
• M4: 1,860,998 km (0.093 R)
• M5: 4,026,427 km (0.087 R)
• M6: 4,535,359 km (0.113 R)
• M7: 6,257,529 km (0.111 R)
• M8: 7,291,699 km (0.077 R)
• M9: 8,950,291 km (0.099 R)
• M10: 9,364,079 km (0.1 R)
• M11: 10,981,232 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 11.4

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.49 AU - 1.67 AU

Year: 1371 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,858,234 km

• M1: 141,968 km (0.091 R)
• M2: 526,585 km (0.049 R)
• M3: 981,661 km (0.093 R)
• M4: 1,461,422 km (0.093 R)
• M5: 1,855,911 km (0.085 R)
• M6: 2,539,873 km (0.111 R)
• M7: 3,103,707 km (0.089 R)
• M8: 3,493,559 km (0.109 R)
• M9: 3,967,036 km (0.104 R)
• M10: 4,576,498 km (0.094 R)
• M11: 5,585,536 km (0.106 R)
• M12: 6,566,898 km (0.106 R)
• M13: 8,781,395 km (0.116 R)
• M14: 9,229,141 km (0.092 R)
• M15: 9,755,128 km (0.093 R)
• M16: 11,244,374 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 12.1

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.71 AU - 4.51 AU

Year: 4734 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,858,234 km

• M1: 150,495 km (0.103 R)
• M2: 579,243 km (0.091 R)
• M3: 1,028,934 km (0.116 R)
• M4: 1,405,472 km (0.083 R)
• M5: 2,076,119 km (0.093 R)
• M6: 2,588,642 km (0.092 R)
• M7: 3,473,663 km (0.097 R)
• M8: 4,892,150 km (0.088 R)
• M9: 5,539,160 km (0.109 R)
• M10: 6,084,744 km (0.064 R)
• M11: 6,566,599 km (0.055 R)
• M12: 7,570,550 km (0.09 R)
• M13: 8,052,704 km (0.092 R)
• M14: 9,285,839 km (0.101 R)
• M15: 9,925,968 km (0.108 R)
• M16: 10,732,750 km (0.07 R)
• M17: 11,485,975 km (0.057 R)
• M18: 11,875,827 km (0.112 R)
• M19: 15,673,519 km (0.091 R)
• M20: 17,080,187 km (0.115 R)
• M21: 17,911,652 km (0.1 R)
• M22: 19,448,471 km (0.081 R)
• M23: 21,362,726 km (0.1 R)
• M24: 23,633,621 km (0.096 R)
• M25: 25,894,344 km (0.088 R)
• M26: 28,207,277 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.6

Radius: 5.3

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.35 AU - 6.69 AU

Year: 10195 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,858,234 km

• M1: 67,469 km (0.099 R)
• M2: 431,739 km (0.086 R)
• M3: 690,544 km (0.081 R)
• M4: 970,741 km (0.064 R)
• M5: 1,498,372 km (0.079 R)
• M6: 2,050,538 km (0.1 R)
• M7: 2,373,071 km (0.099 R)
• M8: 2,709,367 km (0.062 R)
• M9: 3,119,564 km (0.119 R)
• M10: 3,430,578 km (0.113 R)
• M11: 4,166,749 km (0.093 R)
• M12: 4,856,695 km (0.084 R)
• M13: 5,122,680 km (0.098 R)
• M14: 7,002,527 km (0.1 R)
• M15: 8,302,532 km (0.045 R)
• M16: 8,943,559 km (0.045 R)
• M17: 10,036,820 km (0.086 R)
• M18: 10,664,832 km (0.112 R)
• M19: 13,383,175 km (0.068 R)
• M20: 13,965,410 km (0.104 R)
• M21: 14,202,971 km (0.053 R)
• M22: 15,749,514 km (0.109 R)
• M23: 15,942,346 km (0.114 R)
• M24: 16,464,293 km (0.111 R)
• M25: 17,268,381 km (0.042 R)
• M26: 17,888,465 km (0.059 R)
• M27: 21,135,038 km (0.102 R)
• M28: 21,606,121 km (0.093 R)
• M29: 21,844,281 km (0.113 R)
• M30: 23,310,191 km (0.12 R)
• M31: 27,817,724 km (0.089 R)
• M32: 31,428,867 km (0.093 R)
• M33: 32,559,977 km (0.056 R)
• M34: 34,685,463 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244

Radius: 3.1

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.34 AU - 7.5 AU

Year: 11228 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,858,234 km

• M1: 38,746 km (0.058 R)
• M2: 167,250 km (0.06 R)
• M3: 720,912 km (0.072 R)
• M4: 1,479,673 km (0.073 R)
• M5: 2,456,397 km (0.081 R)
• M6: 3,140,807 km (0.076 R)
• M7: 3,773,157 km (0.084 R)
• M8: 4,326,071 km (0.112 R)
• M9: 8,239,252 km (0.096 R)
• M10: 9,120,234 km (0.119 R)
• M11: 12,295,000 km (0.057 R)
• M12: 19,095,570 km (0.112 R)
• M13: 25,283,087 km (0.081 R)
• M14: 25,627,761 km (0.05 R)
• M15: 30,786,793 km (0.042 R)
• M16: 32,989,472 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576

Radius: 3.7

Gravity: 42.07 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.16 AU - 8.04 AU

Year: 14462 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,858,234 km

• M1: 46,375 km (0.029 R)
• M2: 170,093 km (0.117 R)
• M3: 287,228 km (0.064 R)
• M4: 474,674 km (0.117 R)
• M5: 805,884 km (0.041 R)
• M6: 1,209,349 km (0.11 R)
• M7: 1,560,605 km (0.07 R)
• M8: 1,922,632 km (0.095 R)
• M9: 2,632,474 km (0.106 R)
• M10: 2,950,668 km (0.115 R)
• M11: 3,143,799 km (0.112 R)
• M12: 3,745,931 km (0.116 R)
• M13: 4,001,444 km (0.079 R)
• M14: 5,455,834 km (0.067 R)
• M15: 6,086,689 km (0.112 R)
• M16: 9,664,471 km (0.106 R)
• M17: 10,253,288 km (0.117 R)
• M18: 11,036,733 km (0.057 R)
• M19: 11,501,832 km (0.111 R)
• M20: 13,297,755 km (0.093 R)
• M21: 14,501,718 km (0.07 R)
• M22: 15,776,591 km (0.088 R)
• M23: 18,384,830 km (0.077 R)
• M24: 19,120,553 km (0.106 R)
• M25: 22,351,567 km (0.042 R)
• M26: 31,227,209 km (0.119 R)
• M27: 34,189,247 km (0.105 R)
• M28: 43,039,607 km (0.113 R)
• M29: 43,899,495 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 15,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit