🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 14.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.25 AU - 1.99 AU

Year: 1423 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,600,150 km

• M1: 176,675 km (0.104 R)
• M2: 686,355 km (0.071 R)
• M3: 1,150,707 km (0.065 R)
• M4: 1,733,091 km (0.052 R)
• M5: 2,248,306 km (0.115 R)
• M6: 3,000,335 km (0.038 R)
• M7: 4,128,901 km (0.03 R)
• M8: 4,782,794 km (0.041 R)
• M9: 6,134,410 km (0.076 R)
• M10: 6,855,322 km (0.036 R)
• M11: 8,416,526 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 8.5

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.51 AU - 2.33 AU

Year: 1836 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 149.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,600,150 km

• M1: 105,915 km (0.098 R)
• M2: 407,804 km (0.117 R)
• M3: 777,460 km (0.12 R)
• M4: 1,282,951 km (0.054 R)
• M5: 1,596,060 km (0.09 R)
• M6: 2,005,210 km (0.112 R)
• M7: 2,799,575 km (0.032 R)
• M8: 3,220,992 km (0.111 R)
• M9: 4,097,486 km (0.107 R)
• M10: 4,889,756 km (0.101 R)
• M11: 5,211,990 km (0.057 R)
• M12: 5,479,920 km (0.111 R)
• M13: 5,995,135 km (0.115 R)
• M14: 6,289,543 km (0.027 R)
• M15: 6,960,789 km (0.115 R)
• M16: 8,475,916 km (0.096 R)
• M17: 8,910,348 km (0.07 R)
• M18: 10,303,404 km (0.109 R)
• M19: 10,906,582 km (0.08 R)
• M20: 12,737,212 km (0.119 R)
• M21: 13,809,828 km (0.115 R)
• M22: 14,108,725 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 10.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.64 AU - 2.38 AU

Year: 1967 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,600,150 km

• M1: 134,937 km (0.093 R)
• M2: 515,215 km (0.116 R)
• M3: 908,657 km (0.117 R)
• M4: 1,309,879 km (0.111 R)
• M5: 1,894,956 km (0.119 R)
• M6: 2,595,972 km (0.088 R)
• M7: 3,064,662 km (0.083 R)
• M8: 4,101,974 km (0.089 R)
• M9: 4,962,461 km (0.078 R)
• M10: 6,638,705 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.8

Radius: 14.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.78 AU - 6.14 AU

Year: 7625 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,600,150 km

• M1: 182,809 km (0.052 R)
• M2: 1,133,204 km (0.056 R)
• M3: 1,720,226 km (0.056 R)
• M4: 2,855,973 km (0.101 R)
• M5: 4,160,766 km (0.102 R)
• M6: 4,984,601 km (0.111 R)
• M7: 7,237,695 km (0.055 R)
• M8: 8,607,113 km (0.075 R)
• M9: 9,186,356 km (0.113 R)
• M10: 10,025,152 km (0.099 R)
• M11: 11,081,612 km (0.059 R)
• M12: 12,256,254 km (0.112 R)
• M13: 15,423,391 km (0.059 R)
• M14: 17,566,231 km (0.03 R)
• M15: 20,340,972 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.6

Radius: 10.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.55 AU - 5.67 AU

Year: 7973 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,600,150 km

• M1: 129,552 km (0.095 R)
• M2: 489,335 km (0.051 R)
• M3: 830,268 km (0.107 R)
• M4: 1,568,234 km (0.037 R)
• M5: 2,079,111 km (0.045 R)
• M6: 2,504,418 km (0.069 R)
• M7: 3,052,245 km (0.118 R)
• M8: 3,508,070 km (0.045 R)
• M9: 4,528,926 km (0.087 R)
• M10: 4,970,539 km (0.107 R)
• M11: 5,670,208 km (0.112 R)
• M12: 6,361,949 km (0.058 R)
• M13: 6,803,562 km (0.109 R)
• M14: 7,504,128 km (0.108 R)
• M15: 7,872,139 km (0.078 R)
• M16: 9,372,755 km (0.112 R)
• M17: 10,591,679 km (0.072 R)
• M18: 11,586,654 km (0.039 R)
• M19: 12,415,277 km (0.097 R)
• M20: 17,946,359 km (0.098 R)
• M21: 18,680,436 km (0.109 R)
• M22: 22,995,287 km (0.096 R)
• M23: 23,425,531 km (0.118 R)
• M24: 24,748,873 km (0.071 R)
• M25: 26,968,906 km (0.074 R)
• M26: 31,063,399 km (0.106 R)
• M27: 37,063,920 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128

Radius: 5.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.85 AU - 7.27 AU

Year: 10297 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,600,150 km

• M1: 82,129 km (0.095 R)
• M2: 374,144 km (0.027 R)
• M3: 961,166 km (0.113 R)
• M4: 1,320,201 km (0.053 R)
• M5: 1,790,986 km (0.107 R)
• M6: 2,273,888 km (0.108 R)
• M7: 2,496,340 km (0.094 R)
• M8: 3,770,465 km (0.072 R)
• M9: 5,100,091 km (0.066 R)
• M10: 5,681,727 km (0.058 R)
• M11: 6,153,858 km (0.03 R)
• M12: 6,430,614 km (0.038 R)
• M13: 7,175,911 km (0.119 R)
• M14: 7,413,771 km (0.106 R)
• M15: 10,303,553 km (0.07 R)
• M16: 11,230,312 km (0.097 R)
• M17: 12,067,911 km (0.11 R)
• M18: 12,996,465 km (0.037 R)
• M19: 14,343,145 km (0.09 R)
• M20: 14,558,117 km (0.114 R)
• M21: 17,128,956 km (0.106 R)
• M22: 17,432,191 km (0.117 R)
• M23: 18,616,707 km (0.048 R)
• M24: 19,523,270 km (0.079 R)
• M25: 20,323,320 km (0.09 R)
• M26: 21,634,545 km (0.12 R)
• M27: 21,846,675 km (0.069 R)
• M28: 26,064,736 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.6

Radius: 7.3

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.49 AU - 7.37 AU

Year: 12592 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,600,150 km

• M1: 90,806 km (0.109 R)
• M2: 522,396 km (0.034 R)
• M3: 872,156 km (0.058 R)
• M4: 1,175,091 km (0.082 R)
• M5: 2,203,577 km (0.095 R)
• M6: 2,616,766 km (0.078 R)
• M7: 4,171,985 km (0.091 R)
• M8: 4,641,274 km (0.072 R)
• M9: 10,915,558 km (0.051 R)
• M10: 12,871,999 km (0.044 R)
• M11: 13,797,112 km (0.066 R)
• M12: 20,740,398 km (0.079 R)
• M13: 28,258,439 km (0.11 R)
• M14: 30,732,489 km (0.082 R)
• M15: 44,547,703 km (0.066 R)
• M16: 46,349,908 km (0.098 R)
• M17: 56,440,135 km (0.095 R)
• M18: 58,193,721 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.1

Radius: 4.1

Gravity: 21.42 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.58 AU - 9.74 AU

Year: 17591 Days

Day: 21 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,600,150 km

• M1: 51,013 km (0.083 R)
• M2: 237,262 km (0.043 R)
• M3: 692,489 km (0.115 R)
• M4: 1,075,609 km (0.09 R)
• M5: 1,222,364 km (0.076 R)
• M6: 1,438,832 km (0.119 R)
• M7: 1,712,746 km (0.05 R)
• M8: 1,948,961 km (0.078 R)
• M9: 2,465,822 km (0.086 R)
• M10: 2,997,343 km (0.08 R)
• M11: 4,076,542 km (0.107 R)
• M12: 5,183,267 km (0.109 R)
• M13: 5,426,513 km (0.118 R)
• M14: 6,596,369 km (0.1 R)
• M15: 7,091,238 km (0.066 R)
• M16: 9,168,255 km (0.084 R)
• M17: 10,536,328 km (0.082 R)
• M18: 11,501,084 km (0.105 R)
• M19: 14,268,645 km (0.089 R)
• M20: 14,746,311 km (0.099 R)
• M21: 15,733,507 km (0.094 R)
• M22: 20,638,073 km (0.043 R)
• M23: 21,961,117 km (0.105 R)
• M24: 23,339,661 km (0.062 R)
• M25: 32,138,859 km (0.085 R)
• M26: 32,488,469 km (0.077 R)
• M27: 34,884,428 km (0.119 R)
• M28: 36,376,966 km (0.037 R)
• M29: 37,524,083 km (0.095 R)
• M30: 38,041,542 km (0.107 R)
• M31: 38,563,788 km (0.109 R)
• M32: 44,338,565 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.5

Radius: 5.1

Gravity: 31.2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.91 AU - 10.15 AU

Year: 21926 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,600,150 km

• M1: 74,051 km (0.078 R)
• M2: 659,427 km (0.111 R)
• M3: 822,040 km (0.073 R)
• M4: 1,187,807 km (0.12 R)
• M5: 2,214,946 km (0.092 R)
• M6: 3,395,722 km (0.105 R)
• M7: 4,087,612 km (0.097 R)
• M8: 9,761,560 km (0.105 R)
• M9: 10,627,732 km (0.107 R)
• M10: 14,528,796 km (0.038 R)
• M11: 15,327,798 km (0.086 R)
• M12: 19,193,556 km (0.116 R)
• M13: 20,449,281 km (0.036 R)
• M14: 31,724,472 km (0.085 R)
• M15: 33,750,626 km (0.099 R)
• M16: 38,058,446 km (0.114 R)
• M17: 43,367,376 km (0.04 R)
• M18: 47,745,208 km (0.116 R)
• M19: 49,861,419 km (0.1 R)
• M20: 57,170,173 km (0.116 R)
• M21: 60,364,237 km (0.038 R)
• M22: 72,478,074 km (0.088 R)
• M23: 72,707,856 km (0.05 R)
• M24: 74,564,515 km (0.091 R)
• M25: 78,857,077 km (0.089 R)
• M26: 84,832,614 km (0.102 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: 154 - 10,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit