🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.46 AU - 0.64 AU

Year: 263 Days

Day: 24.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.53 AU - 0.81 AU

Year: 354 Days

Day: 37.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.2

Radius: 14.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.72 AU - 0.78 AU

Year: 419 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 25,220,064 km

• M1: 197,020 km (0.103 R)
• M2: 289,322 km (0.101 R)
• M3: 411,245 km (0.071 R)
• M4: 522,246 km (0.118 R)
• M5: 714,031 km (0.095 R)
• M6: 821,891 km (0.038 R)
• M7: 997,818 km (0.055 R)
• M8: 1,187,358 km (0.099 R)
• M9: 1,282,353 km (0.096 R)
• M10: 1,403,826 km (0.117 R)
• M11: 1,509,891 km (0.086 R)
• M12: 1,649,167 km (0.066 R)
• M13: 1,882,240 km (0.12 R)
• M14: 2,022,114 km (0.113 R)
• M15: 2,115,463 km (0.118 R)
• M16: 2,210,458 km (0.087 R)
• M17: 2,364,245 km (0.11 R)
• M18: 2,515,937 km (0.101 R)
• M19: 2,634,867 km (0.115 R)
• M20: 2,755,742 km (0.113 R)
• M21: 2,853,879 km (0.12 R)
• M22: 2,953,212 km (0.062 R)
• M23: 3,193,915 km (0.081 R)
• M24: 3,297,287 km (0.12 R)
• M25: 3,507,322 km (0.087 R)
• M26: 3,607,403 km (0.054 R)
• M27: 3,735,459 km (0.073 R)
• M28: 3,858,279 km (0.069 R)
• M29: 3,975,563 km (0.076 R)
• M30: 4,066,070 km (0.117 R)
• M31: 4,157,325 km (0.082 R)
• M32: 4,263,390 km (0.088 R)
• M33: 4,478,362 km (0.103 R)
• M34: 4,572,609 km (0.081 R)
• M35: 4,682,264 km (0.109 R)
• M36: 4,778,156 km (0.096 R)
• M37: 4,896,937 km (0.118 R)
• M38: 5,122,231 km (0.048 R)
• M39: 5,220,966 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.5

Radius: 8.7

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.2 AU - 1.72 AU

Year: 1139 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 25,220,064 km

• M1: 117,285 km (0.086 R)
• M2: 224,098 km (0.061 R)
• M3: 318,943 km (0.072 R)
• M4: 406,308 km (0.028 R)
• M5: 530,324 km (0.099 R)
• M6: 626,366 km (0.115 R)
• M7: 716,424 km (0.106 R)
• M8: 1,271,283 km (0.084 R)
• M9: 1,427,612 km (0.112 R)
• M10: 1,549,086 km (0.103 R)
• M11: 1,699,581 km (0.078 R)
• M12: 1,785,301 km (0.037 R)
• M13: 1,970,054 km (0.092 R)
• M14: 2,282,564 km (0.054 R)
• M15: 2,551,691 km (0.088 R)
• M16: 2,650,425 km (0.057 R)
• M17: 2,710,115 km (0.098 R)
• M18: 2,780,576 km (0.047 R)
• M19: 2,861,807 km (0.033 R)
• M20: 2,943,787 km (0.102 R)
• M21: 3,068,252 km (0.111 R)
• M22: 3,183,891 km (0.11 R)
• M23: 3,279,634 km (0.076 R)
• M24: 3,365,503 km (0.105 R)
• M25: 3,441,349 km (0.103 R)
• M26: 3,572,547 km (0.106 R)
• M27: 3,638,819 km (0.056 R)
• M28: 3,794,999 km (0.082 R)
• M29: 4,218,660 km (0.025 R)
• M30: 4,489,582 km (0.076 R)
• M31: 4,778,455 km (0.109 R)
• M32: 5,048,629 km (0.09 R)
• M33: 5,198,077 km (0.093 R)
• M34: 5,349,021 km (0.072 R)
• M35: 5,450,449 km (0.082 R)
• M36: 5,552,475 km (0.091 R)
• M37: 5,680,979 km (0.095 R)
• M38: 5,849,576 km (0.117 R)
• M39: 5,914,801 km (0.12 R)
• M40: 6,178,242 km (0.084 R)
• M41: 6,540,120 km (0.065 R)
• M42: 6,607,888 km (0.106 R)
• M43: 6,662,341 km (0.118 R)
• M44: 6,991,756 km (0.099 R)
• M45: 7,200,445 km (0.039 R)
• M46: 7,425,290 km (0.1 R)
• M47: 7,538,685 km (0.03 R)
• M48: 7,609,744 km (0.048 R)
• M49: 7,853,140 km (0.08 R)
• M50: 7,954,119 km (0.117 R)
• M51: 8,142,911 km (0.078 R)
• M52: 8,318,390 km (0.099 R)
• M53: 8,421,313 km (0.115 R)
• M54: 8,673,086 km (0.114 R)
• M55: 8,987,690 km (0.071 R)
• M56: 9,184,262 km (0.047 R)
• M57: 9,550,926 km (0.075 R)
• M58: 10,047,292 km (0.098 R)
• M59: 10,346,039 km (0.111 R)
• M60: 10,488,606 km (0.117 R)
• M61: 10,631,771 km (0.107 R)
• M62: 10,727,514 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 11.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.07 AU - 2.71 AU

Year: 2386 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 25,220,064 km

• M1: 180,116 km (0.077 R)
• M2: 254,616 km (0.046 R)
• M3: 382,671 km (0.116 R)
• M4: 512,373 km (0.073 R)
• M5: 667,356 km (0.083 R)
• M6: 909,555 km (0.04 R)
• M7: 1,093,560 km (0.12 R)
• M8: 1,190,500 km (0.093 R)
• M9: 1,280,408 km (0.087 R)
• M10: 1,362,388 km (0.1 R)
• M11: 1,510,191 km (0.036 R)
• M12: 1,674,748 km (0.113 R)
• M13: 1,753,736 km (0.041 R)
• M14: 1,974,542 km (0.118 R)
• M15: 2,367,237 km (0.086 R)
• M16: 2,838,470 km (0.088 R)
• M17: 3,126,895 km (0.072 R)
• M18: 3,468,427 km (0.11 R)
• M19: 3,599,624 km (0.082 R)
• M20: 3,821,926 km (0.091 R)
• M21: 3,957,612 km (0.079 R)
• M22: 4,110,201 km (0.033 R)
• M23: 4,532,217 km (0.07 R)
• M24: 4,691,988 km (0.101 R)
• M25: 4,853,703 km (0.111 R)
• M26: 5,333,314 km (0.111 R)
• M27: 5,485,305 km (0.118 R)
• M28: 5,673,050 km (0.064 R)
• M29: 5,793,626 km (0.117 R)
• M30: 6,284,457 km (0.102 R)
• M31: 6,843,654 km (0.033 R)
• M32: 7,008,959 km (0.108 R)
• M33: 7,250,111 km (0.098 R)
• M34: 7,645,648 km (0.09 R)
• M35: 7,798,088 km (0.107 R)
• M36: 7,932,427 km (0.107 R)
• M37: 8,028,768 km (0.113 R)
• M38: 8,300,737 km (0.041 R)
• M39: 8,774,214 km (0.108 R)
• M40: 8,974,077 km (0.106 R)
• M41: 9,195,632 km (0.092 R)
• M42: 9,357,945 km (0.047 R)
• M43: 9,521,156 km (0.03 R)
• M44: 9,871,365 km (0.095 R)
• M45: 10,246,706 km (0.089 R)
• M46: 10,647,928 km (0.081 R)
• M47: 11,011,450 km (0.114 R)
• M48: 11,097,469 km (0.082 R)
• M49: 11,357,171 km (0.12 R)
• M50: 11,618,967 km (0.071 R)
• M51: 12,081,674 km (0.034 R)
• M52: 12,843,875 km (0.1 R)
• M53: 13,093,853 km (0.106 R)
• M54: 13,714,086 km (0.092 R)
• M55: 13,899,737 km (0.049 R)
• M56: 13,992,936 km (0.058 R)
• M57: 14,414,503 km (0.095 R)
• M58: 14,532,386 km (0.098 R)
• M59: 15,126,738 km (0.084 R)
• M60: 15,438,799 km (0.088 R)
• M61: 16,437,365 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 11

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.17 AU - 2.73 AU

Year: 2476 Days

Day: 9.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 25,220,064 km

• M1: 142,866 km (0.098 R)
• M2: 213,476 km (0.117 R)
• M3: 353,799 km (0.119 R)
• M4: 463,903 km (0.115 R)
• M5: 557,850 km (0.082 R)
• M6: 627,264 km (0.082 R)
• M7: 708,346 km (0.094 R)
• M8: 837,748 km (0.103 R)
• M9: 1,222,813 km (0.069 R)
• M10: 1,381,088 km (0.101 R)
• M11: 1,479,373 km (0.039 R)
• M12: 1,718,431 km (0.071 R)
• M13: 1,789,041 km (0.116 R)
• M14: 1,921,136 km (0.107 R)
• M15: 2,657,756 km (0.077 R)
• M16: 2,992,406 km (0.084 R)
• M17: 3,150,382 km (0.063 R)
• M18: 3,355,480 km (0.06 R)
• M19: 3,732,616 km (0.06 R)
• M20: 4,478,511 km (0.077 R)
• M21: 4,593,552 km (0.054 R)
• M22: 4,793,116 km (0.101 R)
• M23: 4,927,754 km (0.109 R)
• M24: 5,218,123 km (0.12 R)
• M25: 5,356,651 km (0.114 R)
• M26: 5,496,525 km (0.118 R)
• M27: 5,637,596 km (0.051 R)
• M28: 6,177,195 km (0.083 R)
• M29: 6,268,749 km (0.118 R)
• M30: 6,416,253 km (0.101 R)
• M31: 6,941,491 km (0.106 R)
• M32: 7,617,374 km (0.1 R)
• M33: 7,715,660 km (0.1 R)
• M34: 8,456,319 km (0.117 R)
• M35: 8,660,370 km (0.086 R)
• M36: 8,762,994 km (0.074 R)
• M37: 9,073,410 km (0.086 R)
• M38: 9,261,305 km (0.064 R)
• M39: 9,387,416 km (0.103 R)
• M40: 10,350,976 km (0.086 R)
• M41: 10,438,042 km (0.079 R)
• M42: 10,701,035 km (0.027 R)
• M43: 10,789,298 km (0.073 R)
• M44: 11,099,713 km (0.087 R)
• M45: 11,390,681 km (0.075 R)
• M46: 11,752,259 km (0.073 R)
• M47: 11,888,842 km (0.083 R)
• M48: 12,163,504 km (0.114 R)
• M49: 12,324,770 km (0.073 R)
• M50: 12,394,034 km (0.043 R)
• M51: 13,283,244 km (0.086 R)
• M52: 14,217,333 km (0.058 R)
• M53: 14,290,037 km (0.05 R)
• M54: 14,557,668 km (0.081 R)
• M55: 15,172,366 km (0.092 R)
• M56: 15,246,716 km (0.117 R)
• M57: 15,520,330 km (0.049 R)
• M58: 15,946,385 km (0.086 R)
• M59: 16,249,321 km (0.045 R)
• M60: 16,401,611 km (0.099 R)
• M61: 16,656,377 km (0.025 R)
• M62: 16,733,120 km (0.111 R)
• M63: 16,886,907 km (0.112 R)
• M64: 17,169,946 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 13.7

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.61 AU - 3.05 AU

Year: 3074 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 25,220,064 km

• M1: 192,383 km (0.116 R)
• M2: 322,533 km (0.035 R)
• M3: 494,271 km (0.065 R)
• M4: 606,320 km (0.084 R)
• M5: 815,757 km (0.098 R)
• M6: 913,594 km (0.065 R)
• M7: 1,037,012 km (0.076 R)
• M8: 1,248,544 km (0.115 R)
• M9: 1,340,547 km (0.079 R)
• M10: 1,897,799 km (0.115 R)
• M11: 1,995,935 km (0.102 R)
• M12: 2,874,224 km (0.11 R)
• M13: 2,987,918 km (0.102 R)
• M14: 3,381,809 km (0.055 R)
• M15: 3,860,523 km (0.088 R)
• M16: 4,055,748 km (0.078 R)
• M17: 4,160,466 km (0.082 R)
• M18: 4,845,026 km (0.093 R)
• M19: 5,118,790 km (0.106 R)
• M20: 5,206,903 km (0.086 R)
• M21: 5,513,130 km (0.116 R)
• M22: 5,851,670 km (0.116 R)
• M23: 6,130,072 km (0.079 R)
• M24: 6,796,680 km (0.119 R)
• M25: 7,047,406 km (0.062 R)
• M26: 7,258,788 km (0.106 R)
• M27: 7,687,685 km (0.114 R)
• M28: 7,832,496 km (0.114 R)
• M29: 7,992,865 km (0.029 R)
• M30: 8,465,744 km (0.114 R)
• M31: 8,585,422 km (0.104 R)
• M32: 8,811,165 km (0.075 R)
• M33: 10,128,075 km (0.099 R)
• M34: 10,287,098 km (0.095 R)
• M35: 10,414,854 km (0.059 R)
• M36: 10,511,046 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 8.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.85 AU - 5.59 AU

Year: 6621 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 25,220,064 km

• M1: 153,039 km (0.078 R)
• M2: 257,458 km (0.114 R)
• M3: 362,775 km (0.074 R)
• M4: 448,644 km (0.066 R)
• M5: 532,718 km (0.048 R)
• M6: 819,198 km (0.117 R)
• M7: 901,028 km (0.052 R)
• M8: 1,551,330 km (0.107 R)
• M9: 2,072,978 km (0.104 R)
• M10: 2,336,270 km (0.075 R)
• M11: 2,986,123 km (0.05 R)
• M12: 3,397,966 km (0.03 R)
• M13: 3,591,097 km (0.103 R)
• M14: 3,907,796 km (0.091 R)
• M15: 4,110,351 km (0.098 R)
• M16: 4,462,504 km (0.107 R)
• M17: 4,846,073 km (0.079 R)
• M18: 5,262,404 km (0.031 R)
• M19: 5,329,275 km (0.053 R)
• M20: 5,441,174 km (0.053 R)
• M21: 5,622,038 km (0.115 R)
• M22: 5,713,143 km (0.096 R)
• M23: 5,804,846 km (0.096 R)
• M24: 6,365,090 km (0.097 R)
• M25: 6,555,678 km (0.106 R)
• M26: 7,089,443 km (0.096 R)
• M27: 7,713,117 km (0.101 R)
• M28: 7,865,407 km (0.105 R)
• M29: 8,328,263 km (0.098 R)
• M30: 8,589,311 km (0.039 R)
• M31: 8,720,808 km (0.057 R)
• M32: 9,280,454 km (0.095 R)
• M33: 9,334,309 km (0.032 R)
• M34: 9,388,314 km (0.107 R)
• M35: 9,605,380 km (0.082 R)
• M36: 10,238,777 km (0.098 R)
• M37: 10,294,577 km (0.091 R)
• M38: 11,056,629 km (0.119 R)
• M39: 11,113,775 km (0.064 R)
• M40: 12,844,473 km (0.061 R)
• M41: 13,389,009 km (0.108 R)
• M42: 13,879,391 km (0.089 R)
• M43: 13,971,992 km (0.085 R)
• M44: 14,438,139 km (0.027 R)
• M45: 15,417,557 km (0.099 R)
• M46: 15,577,626 km (0.101 R)
• M47: 15,866,949 km (0.072 R)
• M48: 16,385,754 km (0.066 R)
• M49: 16,680,013 km (0.062 R)
• M50: 17,042,189 km (0.038 R)
• M51: 17,273,917 km (0.104 R)
• M52: 17,473,330 km (0.087 R)
• M53: 17,941,871 km (0.098 R)
• M54: 18,143,828 km (0.054 R)
• M55: 18,414,451 km (0.105 R)
• M56: 18,482,219 km (0.099 R)
• M57: 19,960,993 km (0.106 R)
• M58: 21,548,975 km (0.088 R)
• M59: 21,799,551 km (0.115 R)
• M60: 22,231,440 km (0.077 R)
• M61: 22,848,232 km (0.105 R)
• M62: 23,617,764 km (0.102 R)
• M63: 23,876,269 km (0.091 R)
• M64: 24,769,368 km (0.042 R)
• M65: 24,881,866 km (0.053 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 16,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit