🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 8.7

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.81 AU - 1.05 AU

Year: 570 Days

Day: 9.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,552,006 km

• M1: 108,159 km (0.111 R)
• M2: 378,782 km (0.111 R)
• M3: 662,719 km (0.096 R)
• M4: 1,332,468 km (0.08 R)
• M5: 1,631,365 km (0.112 R)
• M6: 1,941,631 km (0.109 R)
• M7: 2,651,024 km (0.088 R)
• M8: 3,002,429 km (0.071 R)
• M9: 3,273,949 km (0.044 R)
• M10: 3,692,375 km (0.03 R)
• M11: 4,379,328 km (0.086 R)
• M12: 4,840,538 km (0.096 R)
• M13: 5,182,220 km (0.088 R)
• M14: 5,969,254 km (0.084 R)
• M15: 6,324,549 km (0.075 R)
• M16: 6,654,263 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.2

Radius: 13

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.93 AU - 1.37 AU

Year: 784 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,552,006 km

• M1: 161,715 km (0.099 R)
• M2: 750,233 km (0.1 R)
• M3: 1,214,585 km (0.047 R)
• M4: 1,667,717 km (0.115 R)
• M5: 3,175,065 km (0.118 R)
• M6: 4,056,197 km (0.039 R)
• M7: 4,538,650 km (0.073 R)
• M8: 5,059,250 km (0.072 R)
• M9: 6,042,258 km (0.036 R)
• M10: 7,304,565 km (0.09 R)
• M11: 7,715,660 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 12

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.59 AU - 1.75 AU

Year: 1372 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,552,006 km

• M1: 149,299 km (0.055 R)
• M2: 1,037,162 km (0.089 R)
• M3: 1,589,777 km (0.112 R)
• M4: 2,393,117 km (0.091 R)
• M5: 3,095,778 km (0.078 R)
• M6: 4,277,452 km (0.111 R)
• M7: 4,662,517 km (0.036 R)
• M8: 5,090,965 km (0.103 R)
• M9: 6,489,256 km (0.066 R)
• M10: 8,212,325 km (0.118 R)
• M11: 8,723,201 km (0.076 R)
• M12: 10,029,939 km (0.107 R)
• M13: 11,393,673 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.14 AU - 3.24 AU

Year: 3623 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,552,006 km

• M1: 111,899 km (0.029 R)
• M2: 409,449 km (0.106 R)
• M3: 944,711 km (0.086 R)
• M4: 1,641,089 km (0.112 R)
• M5: 2,330,136 km (0.029 R)
• M6: 2,677,503 km (0.05 R)
• M7: 3,401,706 km (0.115 R)
• M8: 5,209,746 km (0.115 R)
• M9: 5,834,467 km (0.108 R)
• M10: 7,139,259 km (0.094 R)
• M11: 8,628,805 km (0.059 R)
• M12: 8,913,789 km (0.115 R)
• M13: 9,768,591 km (0.109 R)
• M14: 10,840,759 km (0.077 R)
• M15: 12,570,410 km (0.086 R)
• M16: 14,476,586 km (0.114 R)
• M17: 15,920,654 km (0.076 R)
• M18: 16,898,276 km (0.114 R)
• M19: 20,133,330 km (0.095 R)
• M20: 21,147,005 km (0.12 R)
• M21: 22,127,769 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 12.8

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.18 AU - 4.16 AU

Year: 4470 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,552,006 km

• M1: 159,172 km (0.119 R)
• M2: 686,505 km (0.055 R)
• M3: 1,255,425 km (0.038 R)
• M4: 1,823,897 km (0.103 R)
• M5: 2,787,607 km (0.097 R)
• M6: 3,262,730 km (0.098 R)
• M7: 4,732,229 km (0.078 R)
• M8: 5,762,660 km (0.032 R)
• M9: 6,315,424 km (0.081 R)
• M10: 7,599,422 km (0.064 R)
• M11: 8,534,708 km (0.068 R)
• M12: 9,545,092 km (0.057 R)
• M13: 11,998,497 km (0.118 R)
• M14: 14,068,184 km (0.112 R)
• M15: 15,828,502 km (0.116 R)
• M16: 21,621,081 km (0.114 R)
• M17: 22,507,000 km (0.114 R)
• M18: 23,034,931 km (0.085 R)
• M19: 23,881,056 km (0.109 R)
• M20: 25,068,265 km (0.025 R)
• M21: 25,635,540 km (0.11 R)
• M22: 26,964,567 km (0.118 R)
• M23: 27,560,266 km (0.037 R)
• M24: 28,866,106 km (0.12 R)
• M25: 31,227,060 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.3

Radius: 11.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.39 AU - 4.39 AU

Year: 4878 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,552,006 km

• M1: 300,692 km (0.047 R)
• M2: 1,043,744 km (0.108 R)
• M3: 2,075,970 km (0.115 R)
• M4: 3,104,455 km (0.102 R)
• M5: 3,852,594 km (0.052 R)
• M6: 5,320,299 km (0.069 R)
• M7: 8,262,290 km (0.115 R)
• M8: 14,046,492 km (0.095 R)
• M9: 14,687,220 km (0.051 R)
• M10: 15,296,083 km (0.104 R)
• M11: 17,168,151 km (0.072 R)
• M12: 19,793,593 km (0.093 R)
• M13: 20,473,965 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.6

Radius: 10.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.63 AU - 4.67 AU

Year: 6375 Days

Day: 9.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 150.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,552,006 km

• M1: 134,339 km (0.116 R)
• M2: 825,930 km (0.093 R)
• M3: 3,353,535 km (0.038 R)
• M4: 4,244,092 km (0.113 R)
• M5: 5,331,967 km (0.071 R)
• M6: 10,619,953 km (0.057 R)
• M7: 11,705,136 km (0.115 R)
• M8: 15,069,891 km (0.112 R)
• M9: 15,646,740 km (0.118 R)
• M10: 16,691,682 km (0.086 R)
• M11: 17,309,222 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.8

Radius: 6.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.93 AU - 10.85 AU

Year: 16853 Days

Day: 19.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,552,006 km

• M1: 84,523 km (0.088 R)
• M2: 545,434 km (0.111 R)
• M3: 1,049,579 km (0.095 R)
• M4: 1,354,310 km (0.105 R)
• M5: 1,594,414 km (0.066 R)
• M6: 2,616,916 km (0.089 R)
• M7: 3,798,140 km (0.103 R)
• M8: 4,163,608 km (0.042 R)
• M9: 4,460,410 km (0.069 R)
• M10: 4,739,709 km (0.025 R)
• M11: 7,033,344 km (0.11 R)
• M12: 7,716,408 km (0.055 R)
• M13: 11,119,011 km (0.061 R)
• M14: 14,921,789 km (0.101 R)
• M15: 19,265,663 km (0.117 R)
• M16: 20,007,668 km (0.073 R)
• M17: 20,768,373 km (0.092 R)
• M18: 22,618,300 km (0.115 R)
• M19: 38,866,424 km (0.051 R)
• M20: 47,062,593 km (0.074 R)
• M21: 47,955,542 km (0.078 R)
• M22: 52,272,189 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.6

Radius: 4.5

Gravity: 19.14 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.43 AU - 10.67 AU

Year: 20257 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,552,006 km

• M1: 64,327 km (0.06 R)
• M2: 378,632 km (0.035 R)
• M3: 626,665 km (0.07 R)
• M4: 943,663 km (0.115 R)
• M5: 1,448,107 km (0.05 R)
• M6: 1,602,642 km (0.117 R)
• M7: 3,216,354 km (0.062 R)
• M8: 4,114,689 km (0.044 R)
• M9: 4,889,906 km (0.091 R)
• M10: 5,204,360 km (0.092 R)
• M11: 5,348,273 km (0.105 R)
• M12: 6,029,542 km (0.079 R)
• M13: 6,514,838 km (0.08 R)
• M14: 6,852,480 km (0.118 R)
• M15: 9,337,749 km (0.097 R)
• M16: 9,497,221 km (0.099 R)
• M17: 11,493,904 km (0.04 R)
• M18: 11,738,646 km (0.099 R)
• M19: 13,213,232 km (0.095 R)
• M20: 15,837,777 km (0.039 R)
• M21: 23,139,200 km (0.105 R)
• M22: 24,423,199 km (0.081 R)
• M23: 26,596,407 km (0.092 R)
• M24: 28,895,128 km (0.062 R)
• M25: 30,266,342 km (0.064 R)
• M26: 30,967,956 km (0.099 R)
• M27: 33,633,491 km (0.032 R)
• M28: 35,149,964 km (0.096 R)
• M29: 35,665,329 km (0.114 R)
• M30: 36,316,828 km (0.065 R)
• M31: 36,843,562 km (0.108 R)
• M32: 39,971,803 km (0.109 R)
• M33: 41,100,070 km (0.095 R)
• M34: 44,461,983 km (0.077 R)
• M35: 46,595,548 km (0.094 R)
• M36: 49,276,791 km (0.084 R)
• M37: 50,573,505 km (0.099 R)
• M38: 53,404,046 km (0.107 R)
• M39: 53,914,325 km (0.098 R)
• M40: 57,221,485 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.7

Radius: 5.2

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.84 AU - 13.46 AU

Year: 23673 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,552,006 km

• M1: 66,571 km (0.077 R)
• M2: 1,149,360 km (0.056 R)
• M3: 2,074,324 km (0.11 R)
• M4: 3,191,521 km (0.108 R)
• M5: 3,771,063 km (0.1 R)
• M6: 4,118,280 km (0.119 R)
• M7: 4,696,625 km (0.089 R)
• M8: 4,986,695 km (0.103 R)
• M9: 6,710,512 km (0.102 R)
• M10: 9,180,971 km (0.071 R)
• M11: 10,044,151 km (0.104 R)
• M12: 10,897,307 km (0.071 R)
• M13: 11,731,914 km (0.095 R)
• M14: 12,746,786 km (0.061 R)
• M15: 18,353,864 km (0.119 R)
• M16: 20,282,479 km (0.1 R)
• M17: 25,630,753 km (0.111 R)
• M18: 37,262,436 km (0.088 R)
• M19: 39,738,131 km (0.087 R)
• M20: 42,945,210 km (0.072 R)
• M21: 43,417,042 km (0.064 R)
• M22: 45,991,771 km (0.097 R)
• M23: 49,868,600 km (0.102 R)
• M24: 50,739,259 km (0.098 R)
• M25: 59,424,613 km (0.081 R)
• M26: 60,995,390 km (0.042 R)
• M27: 62,997,309 km (0.065 R)
• M28: 65,456,848 km (0.068 R)
• M29: 71,663,813 km (0.098 R)
• M30: 75,707,144 km (0.102 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: 340 - 17,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit