🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.2

Radius: 13

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.59 AU - 1.97 AU

Year: 1584 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,616,140 km

• M1: 163,510 km (0.075 R)
• M2: 801,845 km (0.066 R)
• M3: 1,629,570 km (0.112 R)
• M4: 2,223,174 km (0.084 R)
• M5: 2,738,389 km (0.103 R)
• M6: 3,996,208 km (0.079 R)
• M7: 4,727,442 km (0.038 R)
• M8: 6,549,544 km (0.058 R)
• M9: 7,070,444 km (0.032 R)
• M10: 8,276,502 km (0.111 R)
• M11: 10,071,677 km (0.033 R)
• M12: 10,510,746 km (0.091 R)
• M13: 11,259,783 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 11.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.65 AU - 2.11 AU

Year: 1719 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,616,140 km

• M1: 140,472 km (0.073 R)
• M2: 511,625 km (0.054 R)
• M3: 902,823 km (0.1 R)
• M4: 1,336,358 km (0.037 R)
• M5: 1,701,526 km (0.066 R)
• M6: 2,271,494 km (0.096 R)
• M7: 3,301,924 km (0.109 R)
• M8: 3,663,951 km (0.091 R)
• M9: 4,320,835 km (0.075 R)
• M10: 4,834,106 km (0.112 R)
• M11: 5,282,151 km (0.074 R)
• M12: 5,713,442 km (0.085 R)
• M13: 6,476,541 km (0.103 R)
• M14: 6,971,261 km (0.04 R)
• M15: 7,679,307 km (0.093 R)
• M16: 8,120,920 km (0.087 R)
• M17: 8,492,372 km (0.075 R)
• M18: 9,423,918 km (0.101 R)
• M19: 10,489,204 km (0.117 R)
• M20: 11,277,884 km (0.114 R)
• M21: 12,553,356 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 12.4

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.69 AU - 2.49 AU

Year: 2015 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 120.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,616,140 km

• M1: 154,684 km (0.108 R)
• M2: 569,070 km (0.105 R)
• M3: 1,046,288 km (0.094 R)
• M4: 1,520,812 km (0.093 R)
• M5: 1,927,419 km (0.034 R)
• M6: 2,585,051 km (0.101 R)
• M7: 5,440,575 km (0.117 R)
• M8: 5,974,490 km (0.076 R)
• M9: 7,849,550 km (0.053 R)
• M10: 8,725,745 km (0.067 R)
• M11: 9,666,266 km (0.105 R)
• M12: 10,161,136 km (0.115 R)
• M13: 10,635,810 km (0.093 R)
• M14: 11,907,841 km (0.111 R)
• M15: 12,684,703 km (0.082 R)
• M16: 13,364,924 km (0.077 R)
• M17: 14,024,651 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 14.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.93 AU - 3.19 AU

Year: 3570 Days

Day: 9.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,616,140 km

• M1: 185,352 km (0.12 R)
• M2: 692,189 km (0.096 R)
• M3: 1,414,448 km (0.103 R)
• M4: 2,767,411 km (0.032 R)
• M5: 3,317,782 km (0.059 R)
• M6: 3,806,817 km (0.084 R)
• M7: 6,822,710 km (0.071 R)
• M8: 7,868,998 km (0.083 R)
• M9: 8,713,478 km (0.072 R)
• M10: 9,982,068 km (0.106 R)
• M11: 10,622,346 km (0.061 R)
• M12: 13,060,343 km (0.075 R)
• M13: 13,965,709 km (0.099 R)
• M14: 14,481,223 km (0.088 R)
• M15: 17,145,861 km (0.06 R)
• M16: 19,536,435 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.4

Radius: 13.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.37 AU - 3.87 AU

Year: 3675 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,616,140 km

• M1: 163,062 km (0.105 R)
• M2: 640,578 km (0.095 R)
• M3: 1,343,688 km (0.083 R)
• M4: 1,793,379 km (0.076 R)
• M5: 2,300,965 km (0.115 R)
• M6: 2,990,910 km (0.103 R)
• M7: 3,414,571 km (0.119 R)
• M8: 4,049,465 km (0.09 R)
• M9: 6,086,838 km (0.09 R)
• M10: 6,650,224 km (0.087 R)
• M11: 7,411,527 km (0.106 R)
• M12: 8,808,622 km (0.064 R)
• M13: 10,751,300 km (0.097 R)
• M14: 12,303,976 km (0.081 R)
• M15: 13,699,874 km (0.027 R)
• M16: 14,722,375 km (0.106 R)
• M17: 15,795,142 km (0.046 R)
• M18: 16,976,965 km (0.119 R)
• M19: 18,459,629 km (0.09 R)
• M20: 19,264,017 km (0.117 R)
• M21: 20,285,920 km (0.093 R)
• M22: 24,515,949 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 12.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.38 AU - 3.98 AU

Year: 4708 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 175 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,616,140 km

• M1: 167,101 km (0.077 R)
• M2: 765,193 km (0.115 R)
• M3: 1,236,576 km (0.099 R)
• M4: 1,714,092 km (0.064 R)
• M5: 2,210,458 km (0.095 R)
• M6: 2,785,064 km (0.105 R)
• M7: 3,299,531 km (0.08 R)
• M8: 4,768,582 km (0.117 R)
• M9: 5,426,513 km (0.082 R)
• M10: 7,187,430 km (0.092 R)
• M11: 7,594,934 km (0.084 R)
• M12: 8,872,650 km (0.031 R)
• M13: 10,374,313 km (0.116 R)
• M14: 10,940,242 km (0.103 R)
• M15: 11,757,645 km (0.028 R)
• M16: 20,029,509 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.3

Radius: 3.3

Gravity: 42.82 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.58 AU - 7.2 AU

Year: 9532 Days

Day: 17.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,616,140 km

• M1: 40,990 km (0.119 R)
• M2: 148,251 km (0.116 R)
• M3: 655,837 km (0.07 R)
• M4: 800,349 km (0.083 R)
• M5: 1,036,115 km (0.027 R)
• M6: 1,377,946 km (0.079 R)
• M7: 2,057,868 km (0.104 R)
• M8: 2,791,646 km (0.058 R)
• M9: 3,063,764 km (0.09 R)
• M10: 4,304,080 km (0.098 R)
• M11: 10,837,019 km (0.088 R)
• M12: 12,093,641 km (0.119 R)
• M13: 12,533,160 km (0.074 R)
• M14: 15,206,025 km (0.106 R)
• M15: 16,307,365 km (0.072 R)
• M16: 16,440,357 km (0.103 R)
• M17: 21,087,615 km (0.103 R)
• M18: 21,884,673 km (0.071 R)
• M19: 22,290,681 km (0.076 R)
• M20: 28,225,677 km (0.091 R)
• M21: 29,291,113 km (0.073 R)
• M22: 29,685,005 km (0.097 R)
• M23: 30,584,237 km (0.083 R)
• M24: 35,800,566 km (0.09 R)
• M25: 36,819,028 km (0.077 R)
• M26: 37,624,313 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.7

Radius: 3.2

Gravity: 87.37 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.11 AU - 7.27 AU

Year: 10270 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,616,140 km

• M1: 39,793 km (0.115 R)
• M2: 151,543 km (0.066 R)
• M3: 466,147 km (0.049 R)
• M4: 584,329 km (0.069 R)
• M5: 1,112,260 km (0.112 R)
• M6: 1,435,990 km (0.031 R)
• M7: 1,566,888 km (0.103 R)
• M8: 1,705,565 km (0.074 R)
• M9: 2,007,753 km (0.111 R)
• M10: 3,904,205 km (0.117 R)
• M11: 5,398,239 km (0.104 R)
• M12: 6,542,962 km (0.073 R)
• M13: 8,292,659 km (0.08 R)
• M14: 8,906,608 km (0.079 R)
• M15: 10,492,047 km (0.117 R)
• M16: 11,609,094 km (0.092 R)
• M17: 12,497,107 km (0.11 R)
• M18: 15,925,741 km (0.089 R)
• M19: 18,319,755 km (0.083 R)
• M20: 19,520,278 km (0.061 R)
• M21: 19,931,822 km (0.084 R)
• M22: 20,181,501 km (0.102 R)
• M23: 21,114,991 km (0.097 R)
• M24: 21,374,394 km (0.103 R)
• M25: 21,988,045 km (0.113 R)
• M26: 23,158,798 km (0.088 R)
• M27: 23,712,908 km (0.105 R)
• M28: 24,465,385 km (0.104 R)
• M29: 31,514,886 km (0.041 R)
• M30: 33,350,302 km (0.075 R)
• M31: 33,467,288 km (0.114 R)
• M32: 33,938,072 km (0.106 R)
• M33: 34,532,724 km (0.101 R)
• M34: 36,482,433 km (0.059 R)
• M35: 42,356,842 km (0.115 R)
• M36: 45,301,676 km (0.055 R)
• M37: 47,338,750 km (0.112 R)
• M38: 51,438,629 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.9

Radius: 7.3

Gravity: 18.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.68 AU - 6.9 AU

Year: 10520 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,616,140 km

• M1: 90,956 km (0.068 R)
• M2: 378,333 km (0.118 R)
• M3: 1,232,986 km (0.062 R)
• M4: 1,893,161 km (0.058 R)
• M5: 2,451,161 km (0.072 R)
• M6: 3,334,088 km (0.116 R)
• M7: 4,059,338 km (0.083 R)
• M8: 4,788,478 km (0.12 R)
• M9: 6,543,560 km (0.116 R)
• M10: 8,217,710 km (0.071 R)
• M11: 12,386,554 km (0.103 R)
• M12: 14,173,949 km (0.091 R)
• M13: 15,694,013 km (0.092 R)
• M14: 16,272,808 km (0.074 R)
• M15: 17,704,310 km (0.097 R)
• M16: 20,472,020 km (0.048 R)
• M17: 22,318,506 km (0.081 R)
• M18: 24,658,067 km (0.118 R)
• M19: 30,705,711 km (0.106 R)
• M20: 38,317,999 km (0.065 R)
• M21: 49,062,716 km (0.112 R)
• M22: 53,316,532 km (0.09 R)
• M23: 55,117,839 km (0.088 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: 537 - 20,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit