🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.5

Radius: 11.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.36 AU - 1.56 AU

Year: 1240 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,146,680 km

• M1: 146,756 km (0.11 R)
• M2: 515,514 km (0.099 R)
• M3: 902,075 km (0.038 R)
• M4: 1,273,227 km (0.092 R)
• M5: 1,847,683 km (0.102 R)
• M6: 2,290,792 km (0.03 R)
• M7: 3,256,895 km (0.102 R)
• M8: 3,894,631 km (0.109 R)
• M9: 4,359,282 km (0.08 R)
• M10: 5,005,844 km (0.11 R)
• M11: 6,021,763 km (0.105 R)
• M12: 6,601,006 km (0.073 R)
• M13: 8,251,370 km (0.086 R)
• M14: 9,048,876 km (0.082 R)
• M15: 9,752,136 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 9.2

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.58 AU - 1.8 AU

Year: 1544 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,146,680 km

• M1: 114,442 km (0.1 R)
• M2: 418,724 km (0.078 R)
• M3: 761,752 km (0.065 R)
• M4: 1,153,699 km (0.053 R)
• M5: 1,695,093 km (0.06 R)
• M6: 2,193,554 km (0.101 R)
• M7: 2,648,929 km (0.08 R)
• M8: 3,636,275 km (0.118 R)
• M9: 5,202,715 km (0.061 R)
• M10: 5,877,850 km (0.109 R)
• M11: 6,297,921 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 14.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.77 AU - 2.17 AU

Year: 1944 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,146,680 km

• M1: 179,069 km (0.114 R)
• M2: 806,333 km (0.119 R)
• M3: 1,259,614 km (0.095 R)
• M4: 1,763,759 km (0.099 R)
• M5: 2,289,595 km (0.047 R)
• M6: 2,875,869 km (0.104 R)
• M7: 3,862,168 km (0.101 R)
• M8: 4,805,233 km (0.091 R)
• M9: 6,219,382 km (0.056 R)
• M10: 7,009,857 km (0.083 R)
• M11: 7,807,064 km (0.11 R)
• M12: 8,600,830 km (0.057 R)
• M13: 9,481,513 km (0.118 R)
• M14: 11,576,482 km (0.086 R)
• M15: 13,275,315 km (0.105 R)
• M16: 15,602,609 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 11

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.44 AU - 2.7 AU

Year: 2896 Days

Day: 9.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,146,680 km

• M1: 166,951 km (0.072 R)
• M2: 568,322 km (0.118 R)
• M3: 1,101,788 km (0.083 R)
• M4: 1,525,449 km (0.095 R)
• M5: 2,237,236 km (0.104 R)
• M6: 2,819,172 km (0.074 R)
• M7: 3,512,259 km (0.096 R)
• M8: 5,422,474 km (0.097 R)
• M9: 6,341,753 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.8

Radius: 10.8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.06 AU - 5.64 AU

Year: 8698 Days

Day: 5.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,146,680 km

• M1: 134,339 km (0.095 R)
• M2: 479,162 km (0.098 R)
• M3: 887,415 km (0.1 R)
• M4: 1,256,772 km (0.041 R)
• M5: 1,715,888 km (0.087 R)
• M6: 2,285,855 km (0.103 R)
• M7: 3,022,027 km (0.103 R)
• M8: 4,399,973 km (0.098 R)
• M9: 5,212,887 km (0.082 R)
• M10: 6,560,166 km (0.096 R)
• M11: 7,620,516 km (0.039 R)
• M12: 8,170,138 km (0.086 R)
• M13: 9,160,476 km (0.053 R)
• M14: 10,689,217 km (0.105 R)
• M15: 11,984,734 km (0.12 R)
• M16: 13,261,552 km (0.054 R)
• M17: 13,625,075 km (0.061 R)
• M18: 14,950,213 km (0.086 R)
• M19: 15,812,345 km (0.04 R)
• M20: 16,848,011 km (0.092 R)
• M21: 19,207,768 km (0.081 R)
• M22: 22,800,959 km (0.052 R)
• M23: 24,938,563 km (0.103 R)
• M24: 25,493,123 km (0.078 R)
• M25: 29,096,935 km (0.105 R)
• M26: 30,230,588 km (0.047 R)
• M27: 31,393,412 km (0.094 R)
• M28: 31,931,666 km (0.103 R)
• M29: 32,916,169 km (0.057 R)
• M30: 33,471,776 km (0.113 R)
• M31: 35,874,018 km (0.043 R)
• M32: 41,533,306 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927

Radius: 5.7

Gravity: 28.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.23 AU - 6.11 AU

Year: 9490 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,146,680 km

• M1: 72,106 km (0.106 R)
• M2: 432,787 km (0.095 R)
• M3: 701,165 km (0.03 R)
• M4: 879,486 km (0.119 R)
• M5: 1,181,374 km (0.071 R)
• M6: 1,479,224 km (0.11 R)
• M7: 3,569,106 km (0.076 R)
• M8: 4,486,141 km (0.053 R)
• M9: 5,585,386 km (0.105 R)
• M10: 6,424,032 km (0.103 R)
• M11: 6,853,378 km (0.04 R)
• M12: 7,726,281 km (0.049 R)
• M13: 9,098,542 km (0.097 R)
• M14: 10,150,664 km (0.034 R)
• M15: 13,039,549 km (0.048 R)
• M16: 13,474,579 km (0.111 R)
• M17: 14,505,159 km (0.094 R)
• M18: 19,636,516 km (0.108 R)
• M19: 19,961,741 km (0.039 R)
• M20: 20,706,440 km (0.088 R)
• M21: 23,413,862 km (0.11 R)
• M22: 23,871,482 km (0.066 R)
• M23: 28,677,463 km (0.12 R)
• M24: 30,702,270 km (0.069 R)
• M25: 33,048,862 km (0.095 R)
• M26: 35,874,168 km (0.057 R)
• M27: 39,368,774 km (0.068 R)
• M28: 40,276,684 km (0.114 R)
• M29: 40,538,629 km (0.083 R)
• M30: 41,198,356 km (0.03 R)
• M31: 41,597,633 km (0.117 R)
• M32: 42,268,878 km (0.118 R)
• M33: 44,047,896 km (0.104 R)
• M34: 46,161,714 km (0.106 R)
• M35: 48,342,402 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.5

Radius: 3.9

Gravity: 21.86 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.69 AU - 6.89 AU

Year: 9793 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 54.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,146,680 km

• M1: 49,367 km (0.102 R)
• M2: 530,025 km (0.113 R)
• M3: 670,946 km (0.094 R)
• M4: 1,020,407 km (0.074 R)
• M5: 1,230,293 km (0.102 R)
• M6: 1,369,718 km (0.04 R)
• M7: 1,779,467 km (0.04 R)
• M8: 1,989,352 km (0.047 R)
• M9: 2,387,582 km (0.074 R)
• M10: 3,081,417 km (0.108 R)
• M11: 4,075,046 km (0.067 R)
• M12: 4,386,658 km (0.103 R)
• M13: 4,969,940 km (0.102 R)
• M14: 5,666,319 km (0.114 R)
• M15: 6,425,378 km (0.101 R)
• M16: 7,324,761 km (0.114 R)
• M17: 10,426,523 km (0.061 R)
• M18: 12,342,722 km (0.101 R)
• M19: 13,104,175 km (0.06 R)
• M20: 21,803,590 km (0.074 R)
• M21: 23,811,792 km (0.11 R)
• M22: 25,331,707 km (0.09 R)
• M23: 27,185,224 km (0.066 R)
• M24: 28,656,819 km (0.087 R)
• M25: 30,569,726 km (0.114 R)
• M26: 30,962,271 km (0.109 R)
• M27: 32,160,101 km (0.073 R)
• M28: 35,612,820 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.2

Radius: 6.3

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.92 AU - 7 AU

Year: 11541 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,146,680 km

• M1: 80,184 km (0.09 R)
• M2: 318,344 km (0.083 R)
• M3: 740,360 km (0.096 R)
• M4: 1,683,425 km (0.093 R)
• M5: 4,840,239 km (0.062 R)
• M6: 5,135,844 km (0.108 R)
• M7: 9,031,523 km (0.112 R)
• M8: 9,379,039 km (0.12 R)
• M9: 9,735,381 km (0.096 R)
• M10: 13,360,735 km (0.093 R)
• M11: 15,790,654 km (0.058 R)
• M12: 17,795,864 km (0.047 R)
• M13: 19,386,388 km (0.08 R)
• M14: 27,725,273 km (0.068 R)
• M15: 33,607,760 km (0.118 R)
• M16: 38,302,889 km (0.08 R)
• M17: 49,578,679 km (0.116 R)
• M18: 50,194,274 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.9

Radius: 6.8

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.28 AU - 6.92 AU

Year: 11919 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,146,680 km

• M1: 84,523 km (0.068 R)
• M2: 388,206 km (0.071 R)
• M3: 751,580 km (0.112 R)
• M4: 1,120,787 km (0.091 R)
• M5: 1,504,356 km (0.108 R)
• M6: 2,374,567 km (0.115 R)
• M7: 3,492,063 km (0.119 R)
• M8: 4,340,433 km (0.107 R)
• M9: 4,860,435 km (0.061 R)
• M10: 5,455,386 km (0.057 R)
• M11: 7,879,320 km (0.09 R)
• M12: 10,190,009 km (0.091 R)
• M13: 10,454,198 km (0.043 R)
• M14: 10,886,087 km (0.116 R)
• M15: 11,613,432 km (0.111 R)
• M16: 13,478,020 km (0.036 R)
• M17: 16,745,088 km (0.1 R)
• M18: 17,336,598 km (0.11 R)
• M19: 17,789,281 km (0.062 R)
• M20: 18,095,358 km (0.058 R)
• M21: 22,136,296 km (0.038 R)
• M22: 22,848,532 km (0.073 R)
• M23: 28,789,961 km (0.045 R)
• M24: 29,960,714 km (0.061 R)
• M25: 30,722,167 km (0.096 R)
• M26: 35,442,578 km (0.064 R)
• M27: 41,022,579 km (0.052 R)
• M28: 45,287,464 km (0.092 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: 455 - 13,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit