🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 14.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,806,060 km

• M1: 180,265 km (0.107 R)
• M2: 755,020 km (0.079 R)
• M3: 1,575,415 km (0.064 R)
• M4: 2,242,173 km (0.057 R)
• M5: 2,738,090 km (0.108 R)
• M6: 3,199,300 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 10.9

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 10.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,806,060 km

• M1: 135,685 km (0.117 R)
• M2: 486,343 km (0.049 R)
• M3: 1,906,176 km (0.109 R)
• M4: 2,645,489 km (0.088 R)
• M5: 3,341,268 km (0.044 R)
• M6: 3,714,066 km (0.118 R)
• M7: 4,645,163 km (0.107 R)
• M8: 5,033,968 km (0.059 R)
• M9: 5,608,574 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 10.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.05 AU - 1.29 AU

Year: 874 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,806,060 km

• M1: 132,394 km (0.086 R)
• M2: 455,974 km (0.049 R)
• M3: 944,860 km (0.108 R)
• M4: 1,294,919 km (0.074 R)
• M5: 1,755,681 km (0.098 R)
• M6: 3,182,994 km (0.104 R)
• M7: 4,086,565 km (0.096 R)
• M8: 4,788,927 km (0.09 R)
• M9: 6,026,700 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.8

Radius: 8.8

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.49 AU - 1.57 AU

Year: 1306 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,806,060 km

• M1: 109,506 km (0.049 R)
• M2: 408,701 km (0.116 R)
• M3: 1,448,257 km (0.087 R)
• M4: 1,956,591 km (0.09 R)
• M5: 2,235,441 km (0.074 R)
• M6: 3,059,576 km (0.085 R)
• M7: 3,453,766 km (0.104 R)
• M8: 4,055,449 km (0.107 R)
• M9: 5,316,858 km (0.119 R)
• M10: 5,911,210 km (0.026 R)
• M11: 6,403,686 km (0.092 R)
• M12: 7,025,116 km (0.098 R)
• M13: 7,631,885 km (0.105 R)
• M14: 8,159,217 km (0.088 R)
• M15: 8,475,318 km (0.108 R)
• M16: 9,317,404 km (0.088 R)
• M17: 9,822,895 km (0.037 R)
• M18: 10,148,121 km (0.042 R)
• M19: 11,307,953 km (0.106 R)
• M20: 12,290,213 km (0.101 R)
• M21: 12,821,435 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.2

Radius: 11.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.64 AU - 2.7 AU

Year: 3011 Days

Day: 11.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,806,060 km

• M1: 148,102 km (0.079 R)
• M2: 546,182 km (0.043 R)
• M3: 1,230,891 km (0.093 R)
• M4: 1,854,864 km (0.106 R)
• M5: 3,930,534 km (0.094 R)
• M6: 6,067,540 km (0.116 R)
• M7: 6,441,984 km (0.119 R)
• M8: 7,416,165 km (0.08 R)
• M9: 8,420,415 km (0.119 R)
• M10: 12,527,475 km (0.114 R)
• M11: 13,494,027 km (0.044 R)
• M12: 16,178,561 km (0.075 R)
• M13: 16,954,226 km (0.107 R)
• M14: 17,808,729 km (0.111 R)
• M15: 19,030,196 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 10.9

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.66 AU - 4.42 AU

Year: 5605 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,806,060 km

• M1: 135,536 km (0.055 R)
• M2: 554,559 km (0.1 R)
• M3: 997,070 km (0.048 R)
• M4: 1,877,004 km (0.1 R)
• M5: 2,586,398 km (0.103 R)
• M6: 3,033,396 km (0.029 R)
• M7: 3,575,389 km (0.066 R)
• M8: 3,987,681 km (0.103 R)
• M9: 4,560,940 km (0.08 R)
• M10: 5,779,863 km (0.047 R)
• M11: 6,415,953 km (0.063 R)
• M12: 7,133,425 km (0.114 R)
• M13: 8,566,722 km (0.116 R)
• M14: 10,733,946 km (0.042 R)
• M15: 12,661,066 km (0.114 R)
• M16: 14,011,636 km (0.111 R)
• M17: 14,406,425 km (0.089 R)
• M18: 15,277,533 km (0.07 R)
• M19: 17,446,552 km (0.081 R)
• M20: 17,837,901 km (0.074 R)
• M21: 18,301,953 km (0.101 R)
• M22: 21,405,959 km (0.107 R)
• M23: 22,005,847 km (0.051 R)
• M24: 24,274,648 km (0.107 R)
• M25: 25,091,901 km (0.087 R)
• M26: 25,591,109 km (0.114 R)
• M27: 29,732,876 km (0.053 R)
• M28: 31,430,961 km (0.027 R)
• M29: 32,993,810 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 11

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.91 AU - 4.55 AU

Year: 6005 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,806,060 km

• M1: 136,732 km (0.097 R)
• M2: 611,257 km (0.094 R)
• M3: 1,034,918 km (0.072 R)
• M4: 1,865,336 km (0.114 R)
• M5: 3,199,599 km (0.119 R)
• M6: 3,956,564 km (0.034 R)
• M7: 4,885,567 km (0.089 R)
• M8: 5,540,507 km (0.097 R)
• M9: 6,085,791 km (0.065 R)
• M10: 6,772,894 km (0.085 R)
• M11: 8,466,491 km (0.108 R)
• M12: 12,347,659 km (0.058 R)
• M13: 13,619,540 km (0.111 R)
• M14: 14,316,666 km (0.097 R)
• M15: 17,752,480 km (0.088 R)
• M16: 20,627,153 km (0.051 R)
• M17: 24,895,778 km (0.112 R)
• M18: 26,026,290 km (0.064 R)
• M19: 26,918,940 km (0.104 R)
• M20: 29,144,657 km (0.099 R)
• M21: 30,793,525 km (0.081 R)
• M22: 34,489,041 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.8

Radius: 9.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.71 AU - 5.13 AU

Year: 7533 Days

Day: 6.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,806,060 km

• M1: 115,639 km (0.105 R)
• M2: 416,780 km (0.085 R)
• M3: 720,613 km (0.116 R)
• M4: 1,490,593 km (0.118 R)
• M5: 2,024,209 km (0.061 R)
• M6: 2,328,192 km (0.11 R)
• M7: 3,753,560 km (0.105 R)
• M8: 4,216,416 km (0.099 R)
• M9: 5,777,320 km (0.114 R)
• M10: 7,404,795 km (0.097 R)
• M11: 9,609,569 km (0.087 R)
• M12: 9,993,886 km (0.11 R)
• M13: 10,432,806 km (0.097 R)
• M14: 12,569,512 km (0.111 R)
• M15: 12,874,842 km (0.043 R)
• M16: 13,237,467 km (0.113 R)
• M17: 13,820,898 km (0.073 R)
• M18: 14,644,136 km (0.107 R)
• M19: 15,325,853 km (0.1 R)
• M20: 16,814,202 km (0.086 R)
• M21: 17,372,801 km (0.119 R)
• M22: 17,752,031 km (0.093 R)
• M23: 21,418,376 km (0.088 R)
• M24: 22,520,164 km (0.1 R)
• M25: 22,895,655 km (0.079 R)
• M26: 24,281,978 km (0.091 R)
• M27: 25,479,509 km (0.092 R)
• M28: 25,969,293 km (0.082 R)
• M29: 28,864,610 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.4

Radius: 14.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.56 AU - 6 AU

Year: 8375 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,806,060 km

• M1: 183,856 km (0.085 R)
• M2: 794,065 km (0.113 R)
• M3: 1,655,600 km (0.081 R)
• M4: 4,771,274 km (0.103 R)
• M5: 7,657,466 km (0.026 R)
• M6: 8,280,392 km (0.119 R)
• M7: 10,206,764 km (0.075 R)
• M8: 12,756,510 km (0.044 R)
• M9: 15,459,893 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.3

Radius: 5.1

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.81 AU - 6.45 AU

Year: 9221 Days

Day: 23.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,806,060 km

• M1: 64,327 km (0.056 R)
• M2: 322,234 km (0.096 R)
• M3: 487,689 km (0.108 R)
• M4: 806,333 km (0.064 R)
• M5: 993,479 km (0.032 R)
• M6: 2,702,934 km (0.107 R)
• M7: 2,960,691 km (0.103 R)
• M8: 3,809,510 km (0.066 R)
• M9: 4,032,261 km (0.086 R)
• M10: 4,211,479 km (0.101 R)
• M11: 4,395,933 km (0.086 R)
• M12: 5,188,802 km (0.112 R)
• M13: 5,556,215 km (0.063 R)
• M14: 6,620,903 km (0.097 R)
• M15: 7,465,682 km (0.103 R)
• M16: 9,545,840 km (0.083 R)
• M17: 11,826,460 km (0.105 R)
• M18: 15,544,416 km (0.05 R)
• M19: 16,371,243 km (0.103 R)
• M20: 19,315,329 km (0.112 R)
• M21: 19,605,848 km (0.077 R)
• M22: 22,674,100 km (0.065 R)
• M23: 24,406,444 km (0.08 R)
• M24: 30,716,781 km (0.091 R)
• M25: 30,914,250 km (0.096 R)
• M26: 34,085,725 km (0.12 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: 222 - 10,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit