🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 10.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 7.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,887,827 km

• M1: 128,355 km (0.081 R)
• M2: 716,424 km (0.032 R)
• M3: 1,212,640 km (0.073 R)
• M4: 1,713,494 km (0.103 R)
• M5: 2,041,712 km (0.119 R)
• M6: 2,388,480 km (0.059 R)
• M7: 3,202,591 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 10.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.22 AU - 1.8 AU

Year: 1217 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,887,827 km

• M1: 136,433 km (0.118 R)
• M2: 509,680 km (0.089 R)
• M3: 1,033,721 km (0.072 R)
• M4: 1,593,068 km (0.076 R)
• M5: 2,191,010 km (0.073 R)
• M6: 2,657,307 km (0.071 R)
• M7: 4,500,802 km (0.095 R)
• M8: 5,093,807 km (0.077 R)
• M9: 5,659,736 km (0.084 R)
• M10: 7,328,949 km (0.103 R)
• M11: 8,532,614 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 11.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.57 AU - 2.69 AU

Year: 2798 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,887,827 km

• M1: 141,819 km (0.092 R)
• M2: 531,521 km (0.111 R)
• M3: 1,251,985 km (0.095 R)
• M4: 1,791,285 km (0.075 R)
• M5: 2,401,644 km (0.115 R)
• M6: 2,837,423 km (0.111 R)
• M7: 3,292,799 km (0.045 R)
• M8: 3,796,794 km (0.105 R)
• M9: 5,115,649 km (0.037 R)
• M10: 6,219,083 km (0.105 R)
• M11: 6,664,884 km (0.093 R)
• M12: 7,416,763 km (0.088 R)
• M13: 8,131,841 km (0.034 R)
• M14: 8,827,172 km (0.036 R)
• M15: 9,493,331 km (0.114 R)
• M16: 10,300,561 km (0.058 R)
• M17: 11,460,094 km (0.085 R)
• M18: 12,334,494 km (0.104 R)
• M19: 14,126,527 km (0.1 R)
• M20: 16,085,960 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 13.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.24 AU - 3.62 AU

Year: 4167 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,887,827 km

• M1: 166,652 km (0.109 R)
• M2: 653,743 km (0.102 R)
• M3: 1,287,439 km (0.05 R)
• M4: 2,150,021 km (0.112 R)
• M5: 3,971,823 km (0.1 R)
• M6: 4,746,890 km (0.044 R)
• M7: 6,566,748 km (0.102 R)
• M8: 7,266,118 km (0.06 R)
• M9: 10,004,956 km (0.111 R)
• M10: 15,053,136 km (0.033 R)
• M11: 20,386,300 km (0.076 R)
• M12: 21,157,627 km (0.099 R)
• M13: 23,208,913 km (0.057 R)
• M14: 24,990,623 km (0.07 R)
• M15: 25,550,568 km (0.093 R)
• M16: 30,155,340 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.2

Radius: 10.5

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.52 AU - 3.62 AU

Year: 4425 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,887,827 km

• M1: 130,599 km (0.111 R)
• M2: 517,609 km (0.101 R)
• M3: 959,970 km (0.09 R)
• M4: 1,741,020 km (0.036 R)
• M5: 2,323,853 km (0.117 R)
• M6: 2,705,328 km (0.117 R)
• M7: 3,266,021 km (0.085 R)
• M8: 3,902,560 km (0.081 R)
• M9: 7,066,255 km (0.085 R)
• M10: 7,445,187 km (0.057 R)
• M11: 7,946,938 km (0.105 R)
• M12: 8,663,961 km (0.063 R)
• M13: 13,219,515 km (0.052 R)
• M14: 14,999,580 km (0.081 R)
• M15: 19,029,747 km (0.104 R)
• M16: 22,304,743 km (0.12 R)
• M17: 22,748,301 km (0.111 R)
• M18: 26,510,687 km (0.084 R)
• M19: 28,366,299 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 9.7

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.95 AU - 4.25 AU

Year: 4481 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,887,827 km

• M1: 124,765 km (0.067 R)
• M2: 636,240 km (0.073 R)
• M3: 1,090,568 km (0.077 R)
• M4: 1,427,164 km (0.103 R)
• M5: 1,793,978 km (0.104 R)
• M6: 2,365,442 km (0.117 R)
• M7: 3,251,061 km (0.063 R)
• M8: 3,714,665 km (0.087 R)
• M9: 4,319,040 km (0.113 R)
• M10: 5,489,643 km (0.099 R)
• M11: 8,102,819 km (0.1 R)
• M12: 9,078,347 km (0.109 R)
• M13: 9,913,701 km (0.094 R)
• M14: 11,121,555 km (0.114 R)
• M15: 12,984,198 km (0.086 R)
• M16: 13,507,042 km (0.11 R)
• M17: 13,935,341 km (0.094 R)
• M18: 14,539,118 km (0.109 R)
• M19: 16,095,085 km (0.031 R)
• M20: 16,821,084 km (0.1 R)
• M21: 17,379,682 km (0.09 R)
• M22: 24,684,696 km (0.073 R)
• M23: 25,164,307 km (0.084 R)
• M24: 25,895,242 km (0.113 R)
• M25: 27,399,448 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.2

Radius: 3.1

Gravity: 80.25 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.63 AU - 6.39 AU

Year: 9665 Days

Day: 20.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,887,827 km

• M1: 38,596 km (0.119 R)
• M2: 238,010 km (0.105 R)
• M3: 464,352 km (0.081 R)
• M4: 623,524 km (0.101 R)
• M5: 720,314 km (0.103 R)
• M6: 894,595 km (0.112 R)
• M7: 1,177,934 km (0.069 R)
• M8: 1,327,532 km (0.098 R)
• M9: 2,566,202 km (0.05 R)
• M10: 2,883,649 km (0.05 R)
• M11: 3,109,242 km (0.067 R)
• M12: 3,322,419 km (0.114 R)
• M13: 5,391,657 km (0.113 R)
• M14: 5,699,080 km (0.097 R)
• M15: 6,808,498 km (0.081 R)
• M16: 6,966,474 km (0.113 R)
• M17: 7,126,992 km (0.091 R)
• M18: 8,231,024 km (0.097 R)
• M19: 9,058,899 km (0.075 R)
• M20: 10,506,857 km (0.08 R)
• M21: 11,987,277 km (0.112 R)
• M22: 12,747,235 km (0.103 R)
• M23: 13,353,256 km (0.099 R)
• M24: 15,900,608 km (0.115 R)
• M25: 16,888,852 km (0.116 R)
• M26: 19,457,597 km (0.094 R)
• M27: 20,260,040 km (0.06 R)
• M28: 23,331,134 km (0.118 R)
• M29: 24,512,060 km (0.06 R)
• M30: 25,258,404 km (0.068 R)
• M31: 28,293,445 km (0.088 R)
• M32: 28,497,198 km (0.103 R)
• M33: 28,907,694 km (0.093 R)
• M34: 30,162,671 km (0.098 R)
• M35: 32,334,383 km (0.106 R)
• M36: 40,494,199 km (0.113 R)
• M37: 45,741,494 km (0.081 R)
• M38: 47,299,406 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.4

Radius: 7.4

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.11 AU - 7.17 AU

Year: 9981 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,887,827 km

• M1: 92,003 km (0.106 R)
• M2: 501,901 km (0.065 R)
• M3: 745,446 km (0.088 R)
• M4: 1,409,810 km (0.078 R)
• M5: 1,945,969 km (0.11 R)
• M6: 2,571,288 km (0.073 R)
• M7: 3,514,652 km (0.081 R)
• M8: 3,789,314 km (0.117 R)
• M9: 4,820,343 km (0.113 R)
• M10: 6,204,572 km (0.1 R)
• M11: 6,795,782 km (0.065 R)
• M12: 9,209,694 km (0.094 R)
• M13: 11,588,599 km (0.104 R)
• M14: 13,850,968 km (0.117 R)
• M15: 14,160,785 km (0.092 R)
• M16: 19,075,673 km (0.05 R)
• M17: 21,209,388 km (0.049 R)
• M18: 21,704,257 km (0.06 R)
• M19: 22,376,102 km (0.097 R)
• M20: 23,849,790 km (0.087 R)
• M21: 25,294,756 km (0.101 R)
• M22: 29,978,665 km (0.118 R)
• M23: 30,916,794 km (0.094 R)
• M24: 31,767,108 km (0.031 R)
• M25: 32,089,940 km (0.095 R)
• M26: 39,510,144 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.3

Radius: 5.1

Gravity: 33.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8 AU - 8.58 AU

Year: 15658 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,887,827 km

• M1: 63,429 km (0.11 R)
• M2: 406,607 km (0.084 R)
• M3: 573,558 km (0.058 R)
• M4: 869,762 km (0.079 R)
• M5: 1,194,689 km (0.115 R)
• M6: 1,987,557 km (0.105 R)
• M7: 3,007,665 km (0.105 R)
• M8: 3,602,018 km (0.062 R)
• M9: 4,984,751 km (0.056 R)
• M10: 5,426,214 km (0.097 R)
• M11: 5,933,500 km (0.099 R)
• M12: 6,818,970 km (0.084 R)
• M13: 7,456,257 km (0.091 R)
• M14: 8,485,341 km (0.1 R)
• M15: 9,007,138 km (0.119 R)
• M16: 9,385,022 km (0.12 R)
• M17: 10,405,130 km (0.034 R)
• M18: 10,761,024 km (0.059 R)
• M19: 13,069,169 km (0.08 R)
• M20: 14,121,291 km (0.048 R)
• M21: 14,557,518 km (0.119 R)
• M22: 15,304,461 km (0.099 R)
• M23: 16,076,685 km (0.08 R)
• M24: 18,291,032 km (0.085 R)
• M25: 29,066,417 km (0.099 R)
• M26: 30,851,419 km (0.117 R)
• M27: 36,642,353 km (0.081 R)
• M28: 37,465,440 km (0.119 R)
• M29: 38,864,330 km (0.106 R)
• M30: 44,808,751 km (0.048 R)
• M31: 49,645,101 km (0.07 R)
• M32: 59,770,333 km (0.109 R)
• M33: 62,452,025 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.9

Radius: 7.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.45 AU - 11.61 AU

Year: 22416 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,887,827 km

• M1: 98,286 km (0.085 R)
• M2: 377,286 km (0.088 R)
• M3: 844,630 km (0.077 R)
• M4: 1,155,045 km (0.116 R)
• M5: 1,571,077 km (0.073 R)
• M6: 2,120,550 km (0.103 R)
• M7: 2,430,217 km (0.105 R)
• M8: 3,466,931 km (0.103 R)
• M9: 3,898,820 km (0.034 R)
• M10: 4,613,449 km (0.06 R)
• M11: 5,204,510 km (0.038 R)
• M12: 5,698,332 km (0.072 R)
• M13: 6,577,070 km (0.092 R)
• M14: 6,861,606 km (0.084 R)
• M15: 12,242,491 km (0.057 R)
• M16: 13,051,965 km (0.085 R)
• M17: 16,203,394 km (0.117 R)
• M18: 18,673,105 km (0.118 R)
• M19: 19,493,650 km (0.086 R)
• M20: 22,555,469 km (0.065 R)
• M21: 26,841,149 km (0.071 R)
• M22: 33,637,530 km (0.061 R)
• M23: 47,568,533 km (0.085 R)
• M24: 54,205,292 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 18,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit