🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 11.2

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.71 AU - 1.01 AU

Year: 541 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,464,962 km

• M1: 139,425 km (0.117 R)
• M2: 508,034 km (0.107 R)
• M3: 972,685 km (0.092 R)
• M4: 1,419,983 km (0.033 R)
• M5: 1,790,537 km (0.088 R)
• M6: 2,189,664 km (0.086 R)
• M7: 2,607,042 km (0.082 R)
• M8: 3,065,859 km (0.082 R)
• M9: 3,565,516 km (0.104 R)
• M10: 4,090,754 km (0.036 R)
• M11: 4,529,375 km (0.069 R)
• M12: 5,130,160 km (0.072 R)
• M13: 5,553,821 km (0.079 R)
• M14: 6,299,417 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 9.6

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.93 AU - 1.01 AU

Year: 648 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,464,962 km

• M1: 119,379 km (0.111 R)
• M2: 418,126 km (0.084 R)
• M3: 757,414 km (0.093 R)
• M4: 1,449,903 km (0.105 R)
• M5: 2,024,957 km (0.058 R)
• M6: 2,336,270 km (0.103 R)
• M7: 2,745,719 km (0.077 R)
• M8: 4,150,593 km (0.105 R)
• M9: 5,137,041 km (0.093 R)
• M10: 5,576,560 km (0.072 R)
• M11: 6,430,614 km (0.044 R)
• M12: 7,174,863 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 10.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.75 AU - 1.75 AU

Year: 1570 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,464,962 km

• M1: 128,505 km (0.102 R)
• M2: 451,935 km (0.047 R)
• M3: 828,623 km (0.074 R)
• M4: 1,572,872 km (0.105 R)
• M5: 1,930,710 km (0.086 R)
• M6: 2,535,983 km (0.102 R)
• M7: 3,623,709 km (0.087 R)
• M8: 4,140,420 km (0.037 R)
• M9: 4,687,799 km (0.038 R)
• M10: 5,091,713 km (0.09 R)
• M11: 5,720,623 km (0.103 R)
• M12: 6,139,497 km (0.043 R)
• M13: 8,075,293 km (0.089 R)
• M14: 8,684,456 km (0.076 R)
• M15: 9,295,413 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 14.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.52 AU - 2.64 AU

Year: 2811 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,464,962 km

• M1: 181,313 km (0.088 R)
• M2: 633,098 km (0.116 R)
• M3: 1,607,878 km (0.101 R)
• M4: 2,290,194 km (0.09 R)
• M5: 2,842,958 km (0.059 R)
• M6: 3,616,678 km (0.11 R)
• M7: 4,438,569 km (0.099 R)
• M8: 5,061,644 km (0.09 R)
• M9: 7,043,517 km (0.068 R)
• M10: 8,158,918 km (0.113 R)
• M11: 10,301,908 km (0.083 R)
• M12: 13,026,235 km (0.079 R)
• M13: 14,016,572 km (0.102 R)
• M14: 14,754,090 km (0.089 R)
• M15: 15,935,315 km (0.112 R)
• M16: 17,178,772 km (0.106 R)
• M17: 18,081,147 km (0.042 R)
• M18: 18,719,780 km (0.097 R)
• M19: 19,253,396 km (0.104 R)
• M20: 19,736,297 km (0.098 R)
• M21: 20,538,292 km (0.029 R)
• M22: 21,042,436 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 13.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.57 AU - 3.61 AU

Year: 3684 Days

Day: 12.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,464,962 km

• M1: 164,109 km (0.037 R)
• M2: 810,671 km (0.072 R)
• M3: 1,483,113 km (0.07 R)
• M4: 2,090,780 km (0.083 R)
• M5: 2,843,706 km (0.108 R)
• M6: 4,615,842 km (0.105 R)
• M7: 6,280,867 km (0.08 R)
• M8: 7,035,438 km (0.1 R)
• M9: 7,814,544 km (0.084 R)
• M10: 10,759,976 km (0.074 R)
• M11: 11,748,370 km (0.106 R)
• M12: 12,747,683 km (0.098 R)
• M13: 16,086,558 km (0.101 R)
• M14: 17,019,451 km (0.106 R)
• M15: 18,675,200 km (0.068 R)
• M16: 19,509,806 km (0.076 R)
• M17: 23,244,667 km (0.1 R)
• M18: 24,971,176 km (0.119 R)
• M19: 26,301,250 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.8

Radius: 11.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.5 AU - 3.8 AU

Year: 4730 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,464,962 km

• M1: 146,157 km (0.069 R)
• M2: 555,008 km (0.075 R)
• M3: 1,302,100 km (0.11 R)
• M4: 1,830,330 km (0.064 R)
• M5: 2,772,198 km (0.081 R)
• M6: 3,193,017 km (0.111 R)
• M7: 3,800,085 km (0.08 R)
• M8: 4,576,648 km (0.083 R)
• M9: 5,402,727 km (0.085 R)
• M10: 6,474,297 km (0.092 R)
• M11: 7,749,918 km (0.069 R)
• M12: 8,163,556 km (0.108 R)
• M13: 8,555,502 km (0.093 R)
• M14: 9,186,207 km (0.091 R)
• M15: 10,624,291 km (0.102 R)
• M16: 11,006,065 km (0.12 R)
• M17: 11,397,114 km (0.1 R)
• M18: 12,345,714 km (0.101 R)
• M19: 13,248,687 km (0.091 R)
• M20: 13,841,393 km (0.097 R)
• M21: 14,921,041 km (0.07 R)
• M22: 16,000,539 km (0.118 R)
• M23: 16,786,826 km (0.112 R)
• M24: 18,375,555 km (0.043 R)
• M25: 19,300,369 km (0.091 R)
• M26: 19,806,160 km (0.069 R)
• M27: 21,376,788 km (0.104 R)
• M28: 23,741,631 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.7

Radius: 14.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.88 AU - 5.1 AU

Year: 7560 Days

Day: 5.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,464,962 km

• M1: 185,352 km (0.038 R)
• M2: 787,932 km (0.062 R)
• M3: 1,380,788 km (0.043 R)
• M4: 2,107,834 km (0.103 R)
• M5: 3,609,049 km (0.06 R)
• M6: 5,506,398 km (0.093 R)
• M7: 7,527,765 km (0.055 R)
• M8: 8,187,192 km (0.099 R)
• M9: 8,924,710 km (0.079 R)
• M10: 9,496,323 km (0.111 R)
• M11: 10,399,595 km (0.079 R)
• M12: 12,628,753 km (0.065 R)
• M13: 14,318,611 km (0.102 R)
• M14: 14,933,009 km (0.098 R)
• M15: 15,681,896 km (0.116 R)
• M16: 16,154,924 km (0.046 R)
• M17: 21,210,435 km (0.115 R)
• M18: 22,678,588 km (0.093 R)
• M19: 26,811,828 km (0.116 R)
• M20: 30,132,901 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 8.7

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.02 AU - 6.06 AU

Year: 7674 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,464,962 km

• M1: 108,159 km (0.114 R)
• M2: 528,828 km (0.09 R)
• M3: 1,050,327 km (0.099 R)
• M4: 1,354,160 km (0.045 R)
• M5: 1,703,471 km (0.082 R)
• M6: 2,257,881 km (0.091 R)
• M7: 2,947,527 km (0.115 R)
• M8: 3,277,091 km (0.038 R)
• M9: 3,631,339 km (0.075 R)
• M10: 4,035,702 km (0.098 R)
• M11: 4,934,785 km (0.075 R)
• M12: 5,615,006 km (0.05 R)
• M13: 6,058,714 km (0.081 R)
• M14: 6,423,583 km (0.026 R)
• M15: 7,124,599 km (0.115 R)
• M16: 9,893,206 km (0.089 R)
• M17: 11,069,943 km (0.091 R)
• M18: 12,180,408 km (0.117 R)
• M19: 13,197,823 km (0.053 R)
• M20: 13,474,729 km (0.101 R)
• M21: 16,782,787 km (0.106 R)
• M22: 22,270,934 km (0.094 R)
• M23: 22,981,524 km (0.102 R)
• M24: 24,282,128 km (0.051 R)
• M25: 32,023,818 km (0.108 R)
• M26: 34,370,709 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.4

Radius: 5.1

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.71 AU - 11.27 AU

Year: 19829 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,464,962 km

• M1: 63,579 km (0.115 R)
• M2: 386,112 km (0.051 R)
• M3: 593,754 km (0.119 R)
• M4: 865,424 km (0.089 R)
• M5: 1,724,415 km (0.092 R)
• M6: 1,934,001 km (0.099 R)
• M7: 4,594,899 km (0.078 R)
• M8: 5,104,279 km (0.07 R)
• M9: 5,879,496 km (0.109 R)
• M10: 6,688,072 km (0.099 R)
• M11: 7,075,082 km (0.046 R)
• M12: 7,614,232 km (0.094 R)
• M13: 8,084,119 km (0.118 R)
• M14: 9,343,135 km (0.099 R)
• M15: 9,663,723 km (0.114 R)
• M16: 11,019,828 km (0.104 R)
• M17: 14,667,772 km (0.112 R)
• M18: 15,691,321 km (0.089 R)
• M19: 18,457,385 km (0.117 R)
• M20: 23,826,602 km (0.114 R)
• M21: 25,135,434 km (0.06 R)
• M22: 30,382,729 km (0.099 R)
• M23: 31,920,146 km (0.063 R)
• M24: 33,882,571 km (0.077 R)
• M25: 35,664,432 km (0.117 R)
• M26: 37,107,453 km (0.085 R)
• M27: 38,045,880 km (0.072 R)
• M28: 38,862,684 km (0.061 R)
• M29: 39,830,283 km (0.109 R)
• M30: 43,417,192 km (0.11 R)
• M31: 47,213,686 km (0.105 R)
• M32: 51,721,818 km (0.064 R)
• M33: 53,908,939 km (0.059 R)
• M34: 57,215,351 km (0.114 R)
• M35: 59,919,333 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 11,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit