🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 9.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.76 AU - 0.82 AU

Year: 476 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,564,546 km

• M1: 118,182 km (0.097 R)
• M2: 436,078 km (0.063 R)
• M3: 952,639 km (0.089 R)
• M4: 1,263,354 km (0.085 R)
• M5: 1,672,953 km (0.083 R)
• M6: 2,177,397 km (0.077 R)
• M7: 2,554,384 km (0.072 R)
• M8: 3,047,757 km (0.11 R)
• M9: 3,371,637 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 10.6

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.72 AU - 0.96 AU

Year: 522 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,564,546 km

• M1: 131,796 km (0.11 R)
• M2: 489,335 km (0.116 R)
• M3: 1,381,836 km (0.09 R)
• M4: 1,792,332 km (0.113 R)
• M5: 2,160,193 km (0.115 R)
• M6: 2,526,110 km (0.061 R)
• M7: 2,898,908 km (0.093 R)
• M8: 3,270,808 km (0.116 R)
• M9: 3,674,722 km (0.052 R)
• M10: 4,335,645 km (0.109 R)
• M11: 4,857,293 km (0.057 R)
• M12: 5,438,032 km (0.089 R)
• M13: 5,988,403 km (0.077 R)
• M14: 6,415,355 km (0.106 R)
• M15: 7,051,445 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 9.5

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.11 AU - 1.51 AU

Year: 1017 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,564,546 km

• M1: 118,182 km (0.06 R)
• M2: 508,633 km (0.109 R)
• M3: 1,361,041 km (0.057 R)
• M4: 1,857,407 km (0.099 R)
• M5: 2,154,060 km (0.071 R)
• M6: 3,417,414 km (0.106 R)
• M7: 4,736,418 km (0.104 R)
• M8: 5,520,909 km (0.025 R)
• M9: 6,714,252 km (0.11 R)
• M10: 8,758,507 km (0.078 R)
• M11: 9,072,812 km (0.088 R)
• M12: 10,343,047 km (0.106 R)
• M13: 10,889,678 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.9

Radius: 14.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.29 AU - 1.35 AU

Year: 1029 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,564,546 km

• M1: 179,966 km (0.1 R)
• M2: 668,553 km (0.111 R)
• M3: 1,355,806 km (0.099 R)
• M4: 2,332,380 km (0.114 R)
• M5: 3,906,150 km (0.074 R)
• M6: 5,456,582 km (0.097 R)
• M7: 6,125,734 km (0.114 R)
• M8: 6,713,354 km (0.076 R)
• M9: 7,338,673 km (0.064 R)
• M10: 9,622,135 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.5

Radius: 10.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.71 AU - 1.89 AU

Year: 1638 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,564,546 km

• M1: 138,528 km (0.032 R)
• M2: 579,692 km (0.093 R)
• M3: 935,286 km (0.111 R)
• M4: 1,280,259 km (0.081 R)
• M5: 4,055,449 km (0.036 R)
• M6: 4,817,799 km (0.089 R)
• M7: 5,357,997 km (0.077 R)
• M8: 7,319,375 km (0.072 R)
• M9: 7,857,628 km (0.091 R)
• M10: 8,554,006 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.4

Radius: 9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.3 AU - 3.62 AU

Year: 4365 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,564,546 km

• M1: 114,143 km (0.091 R)
• M2: 502,050 km (0.102 R)
• M3: 902,524 km (0.104 R)
• M4: 1,207,704 km (0.088 R)
• M5: 1,656,198 km (0.045 R)
• M6: 2,456,995 km (0.082 R)
• M7: 3,301,775 km (0.114 R)
• M8: 5,216,478 km (0.099 R)
• M9: 5,958,782 km (0.119 R)
• M10: 6,883,297 km (0.107 R)
• M11: 8,058,089 km (0.114 R)
• M12: 8,912,293 km (0.041 R)
• M13: 9,538,061 km (0.084 R)
• M14: 10,531,540 km (0.109 R)
• M15: 11,878,669 km (0.116 R)
• M16: 13,971,244 km (0.115 R)
• M17: 15,104,598 km (0.101 R)
• M18: 15,545,014 km (0.119 R)
• M19: 16,095,085 km (0.084 R)
• M20: 17,075,400 km (0.069 R)
• M21: 17,393,146 km (0.113 R)
• M22: 18,149,812 km (0.085 R)
• M23: 18,592,023 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638

Radius: 9.4

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.34 AU - 5.38 AU

Year: 6175 Days

Day: 9.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,564,546 km

• M1: 116,986 km (0.12 R)
• M2: 492,027 km (0.079 R)
• M3: 1,095,655 km (0.086 R)
• M4: 1,789,041 km (0.044 R)
• M5: 2,092,725 km (0.115 R)
• M6: 2,587,445 km (0.09 R)
• M7: 3,303,271 km (0.088 R)
• M8: 4,269,523 km (0.074 R)
• M9: 6,414,457 km (0.114 R)
• M10: 7,064,161 km (0.1 R)
• M11: 7,423,495 km (0.1 R)
• M12: 7,985,235 km (0.118 R)
• M13: 8,335,743 km (0.117 R)
• M14: 9,025,988 km (0.089 R)
• M15: 11,570,947 km (0.038 R)
• M16: 12,275,104 km (0.074 R)
• M17: 16,542,682 km (0.086 R)
• M18: 18,563,899 km (0.092 R)
• M19: 21,333,704 km (0.056 R)
• M20: 23,484,622 km (0.107 R)
• M21: 29,119,076 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 8.2

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.18 AU - 5.16 AU

Year: 6845 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,564,546 km

• M1: 102,624 km (0.052 R)
• M2: 643,121 km (0.113 R)
• M3: 1,476,531 km (0.109 R)
• M4: 2,215,993 km (0.102 R)
• M5: 2,724,925 km (0.081 R)
• M6: 3,037,734 km (0.12 R)
• M7: 3,331,245 km (0.11 R)
• M8: 3,597,679 km (0.055 R)
• M9: 4,148,648 km (0.115 R)
• M10: 4,484,346 km (0.065 R)
• M11: 4,950,493 km (0.066 R)
• M12: 5,570,726 km (0.108 R)
• M13: 7,782,081 km (0.04 R)
• M14: 8,253,763 km (0.087 R)
• M15: 8,827,920 km (0.104 R)
• M16: 9,964,714 km (0.112 R)
• M17: 15,313,736 km (0.114 R)
• M18: 16,690,186 km (0.088 R)
• M19: 17,342,283 km (0.051 R)
• M20: 17,741,709 km (0.037 R)
• M21: 20,415,173 km (0.07 R)
• M22: 21,770,529 km (0.084 R)
• M23: 22,235,480 km (0.098 R)
• M24: 26,987,456 km (0.087 R)
• M25: 28,342,065 km (0.086 R)
• M26: 30,893,456 km (0.083 R)
• M27: 31,677,948 km (0.111 R)
• M28: 35,800,566 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.8

Radius: 11

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.8 AU - 6.08 AU

Year: 8606 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,564,546 km

• M1: 141,669 km (0.047 R)
• M2: 676,631 km (0.088 R)
• M3: 1,024,446 km (0.104 R)
• M4: 1,757,625 km (0.04 R)
• M5: 2,112,172 km (0.075 R)
• M6: 3,411,579 km (0.114 R)
• M7: 4,044,528 km (0.054 R)
• M8: 7,925,396 km (0.118 R)
• M9: 8,447,941 km (0.086 R)
• M10: 11,616,723 km (0.047 R)
• M11: 12,451,180 km (0.057 R)
• M12: 16,514,408 km (0.116 R)
• M13: 17,036,355 km (0.104 R)
• M14: 18,389,468 km (0.054 R)
• M15: 19,092,428 km (0.098 R)
• M16: 21,771,726 km (0.118 R)
• M17: 22,478,875 km (0.12 R)
• M18: 23,201,283 km (0.115 R)
• M19: 23,856,372 km (0.04 R)
• M20: 25,289,221 km (0.113 R)
• M21: 26,158,534 km (0.069 R)
• M22: 28,233,307 km (0.102 R)
• M23: 29,548,571 km (0.098 R)
• M24: 30,415,491 km (0.11 R)
• M25: 32,301,172 km (0.062 R)
• M26: 33,531,615 km (0.07 R)
• M27: 34,369,064 km (0.104 R)
• M28: 37,076,037 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.2

Radius: 4.7

Gravity: 15.72 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.05 AU - 6.77 AU

Year: 9745 Days

Day: 20.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 37,564,546 km

• M1: 58,493 km (0.118 R)
• M2: 252,671 km (0.038 R)
• M3: 497,114 km (0.075 R)
• M4: 926,609 km (0.082 R)
• M5: 1,708,258 km (0.086 R)
• M6: 2,266,258 km (0.086 R)
• M7: 2,531,645 km (0.051 R)
• M8: 2,739,137 km (0.11 R)
• M9: 3,757,001 km (0.059 R)
• M10: 4,498,109 km (0.092 R)
• M11: 4,662,816 km (0.113 R)
• M12: 5,898,943 km (0.092 R)
• M13: 7,004,322 km (0.048 R)
• M14: 7,300,825 km (0.103 R)
• M15: 7,605,855 km (0.118 R)
• M16: 7,998,849 km (0.084 R)
• M17: 8,281,888 km (0.068 R)
• M18: 8,655,583 km (0.114 R)
• M19: 8,997,265 km (0.104 R)
• M20: 10,501,771 km (0.056 R)
• M21: 12,060,880 km (0.072 R)
• M22: 12,703,702 km (0.116 R)
• M23: 12,978,214 km (0.113 R)
• M24: 17,517,013 km (0.108 R)
• M25: 18,903,785 km (0.036 R)
• M26: 22,209,150 km (0.077 R)
• M27: 22,447,609 km (0.084 R)
• M28: 25,357,288 km (0.11 R)
• M29: 27,400,346 km (0.08 R)
• M30: 27,583,005 km (0.071 R)
• M31: 28,884,656 km (0.078 R)
• M32: 30,129,460 km (0.096 R)
• M33: 31,509,650 km (0.118 R)
• M34: 31,911,619 km (0.081 R)
• M35: 33,449,336 km (0.078 R)
• M36: 35,575,421 km (0.106 R)
• M37: 36,230,510 km (0.09 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: 285 - 15,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit