🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.56 AU - 0.6 AU

Year: 290 Days

Day: 16.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.45 AU - 0.73 AU

Year: 297 Days

Day: 41.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.63 AU - 0.83 AU

Year: 409 Days

Day: 6.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,331,063 km

• M1: 189,840 km (0.104 R)
• M2: 393,592 km (0.077 R)
• M3: 534,364 km (0.053 R)
• M4: 621,729 km (0.052 R)
• M5: 738,565 km (0.091 R)
• M6: 868,116 km (0.12 R)
• M7: 953,537 km (0.061 R)
• M8: 1,069,176 km (0.085 R)
• M9: 1,190,051 km (0.088 R)
• M10: 1,320,949 km (0.069 R)
• M11: 1,431,352 km (0.07 R)
• M12: 1,619,098 km (0.081 R)
• M13: 1,705,266 km (0.088 R)
• M14: 1,804,150 km (0.096 R)
• M15: 1,888,224 km (0.104 R)
• M16: 2,002,367 km (0.077 R)
• M17: 2,166,177 km (0.052 R)
• M18: 2,286,155 km (0.096 R)
• M19: 2,377,559 km (0.078 R)
• M20: 2,476,443 km (0.077 R)
• M21: 2,614,821 km (0.069 R)
• M22: 2,775,340 km (0.112 R)
• M23: 2,906,088 km (0.108 R)
• M24: 3,018,885 km (0.103 R)
• M25: 3,228,621 km (0.082 R)
• M26: 3,324,813 km (0.061 R)
• M27: 3,429,082 km (0.085 R)
• M28: 3,626,701 km (0.062 R)
• M29: 3,712,570 km (0.074 R)
• M30: 3,842,721 km (0.117 R)
• M31: 3,959,706 km (0.092 R)
• M32: 4,063,078 km (0.105 R)
• M33: 4,516,210 km (0.03 R)
• M34: 4,663,265 km (0.092 R)
• M35: 4,748,984 km (0.078 R)
• M36: 4,866,868 km (0.078 R)
• M37: 4,962,012 km (0.083 R)
• M38: 5,057,605 km (0.084 R)
• M39: 5,226,501 km (0.103 R)
• M40: 5,619,794 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 14.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.13 AU - 1.13 AU

Year: 788 Days

Day: 7.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,331,063 km

• M1: 189,391 km (0.111 R)
• M2: 288,275 km (0.059 R)
• M3: 393,592 km (0.088 R)
• M4: 588,518 km (0.107 R)
• M5: 771,027 km (0.055 R)
• M6: 925,861 km (0.108 R)
• M7: 1,121,086 km (0.034 R)
• M8: 1,306,139 km (0.086 R)
• M9: 1,444,068 km (0.109 R)
• M10: 1,560,755 km (0.067 R)
• M11: 1,945,221 km (0.059 R)
• M12: 2,046,050 km (0.103 R)
• M13: 2,452,358 km (0.038 R)
• M14: 2,577,721 km (0.085 R)
• M15: 2,958,896 km (0.105 R)
• M16: 3,177,608 km (0.115 R)
• M17: 3,332,143 km (0.071 R)
• M18: 3,445,389 km (0.104 R)
• M19: 3,649,141 km (0.11 R)
• M20: 3,757,001 km (0.093 R)
• M21: 3,884,159 km (0.051 R)
• M22: 3,985,287 km (0.114 R)
• M23: 4,493,920 km (0.115 R)
• M24: 4,756,315 km (0.099 R)
• M25: 4,854,601 km (0.05 R)
• M26: 4,993,577 km (0.085 R)
• M27: 5,123,877 km (0.103 R)
• M28: 5,275,569 km (0.039 R)
• M29: 5,418,584 km (0.109 R)
• M30: 5,521,508 km (0.082 R)
• M31: 5,918,690 km (0.074 R)
• M32: 6,014,134 km (0.078 R)
• M33: 6,131,568 km (0.089 R)
• M34: 6,357,760 km (0.103 R)
• M35: 6,564,953 km (0.083 R)
• M36: 6,963,482 km (0.077 R)
• M37: 7,278,984 km (0.059 R)
• M38: 7,472,862 km (0.109 R)
• M39: 7,657,017 km (0.079 R)
• M40: 7,830,850 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.6

Radius: 9.5

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.09 AU - 1.51 AU

Year: 972 Days

Day: 6.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 59,331,063 km

• M1: 120,875 km (0.091 R)
• M2: 189,391 km (0.09 R)
• M3: 290,369 km (0.109 R)
• M4: 355,445 km (0.107 R)
• M5: 462,557 km (0.113 R)
• M6: 531,820 km (0.106 R)
• M7: 738,265 km (0.093 R)
• M8: 942,915 km (0.106 R)
• M9: 1,020,108 km (0.112 R)
• M10: 1,106,875 km (0.032 R)
• M11: 1,226,553 km (0.078 R)
• M12: 1,319,304 km (0.102 R)
• M13: 1,438,832 km (0.119 R)
• M14: 1,512,135 km (0.073 R)
• M15: 1,628,971 km (0.113 R)
• M16: 1,697,188 km (0.068 R)
• M17: 1,818,811 km (0.062 R)
• M18: 2,006,855 km (0.116 R)
• M19: 2,135,809 km (0.105 R)
• M20: 2,220,182 km (0.108 R)
• M21: 2,305,752 km (0.042 R)
• M22: 2,598,964 km (0.112 R)
• M23: 2,780,725 km (0.097 R)
• M24: 2,842,210 km (0.114 R)
• M25: 2,924,938 km (0.117 R)
• M26: 3,050,600 km (0.114 R)
• M27: 3,178,057 km (0.115 R)
• M28: 3,471,568 km (0.035 R)
• M29: 3,796,495 km (0.097 R)
• M30: 3,899,268 km (0.04 R)
• M31: 4,131,145 km (0.066 R)
• M32: 4,439,466 km (0.104 R)
• M33: 4,572,309 km (0.111 R)
• M34: 4,657,431 km (0.072 R)
• M35: 5,053,416 km (0.098 R)
• M36: 5,306,536 km (0.093 R)
• M37: 5,421,726 km (0.103 R)
• M38: 5,511,934 km (0.104 R)
• M39: 5,576,709 km (0.055 R)
• M40: 5,641,635 km (0.068 R)
• M41: 6,090,429 km (0.054 R)
• M42: 6,197,840 km (0.096 R)
• M43: 6,332,777 km (0.119 R)
• M44: 6,924,437 km (0.111 R)
• M45: 7,447,580 km (0.091 R)
• M46: 7,576,833 km (0.116 R)
• M47: 7,954,418 km (0.097 R)
• M48: 8,042,382 km (0.09 R)
• M49: 8,145,454 km (0.057 R)
• M50: 8,293,407 km (0.116 R)
• M51: 8,547,125 km (0.077 R)
• M52: 8,637,183 km (0.081 R)
• M53: 8,788,277 km (0.1 R)
• M54: 9,046,782 km (0.092 R)
• M55: 9,200,119 km (0.097 R)
• M56: 9,540,604 km (0.075 R)
• M57: 9,712,343 km (0.114 R)
• M58: 10,011,389 km (0.111 R)
• M59: 10,138,098 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 14.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.8 AU - 2.46 AU

Year: 2039 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 59,331,063 km

• M1: 218,114 km (0.1 R)
• M2: 315,801 km (0.084 R)
• M3: 424,260 km (0.089 R)
• M4: 545,583 km (0.099 R)
• M5: 695,780 km (0.063 R)
• M6: 787,782 km (0.066 R)
• M7: 877,242 km (0.095 R)
• M8: 1,067,680 km (0.03 R)
• M9: 1,380,639 km (0.093 R)
• M10: 1,473,090 km (0.052 R)
• M11: 1,625,530 km (0.093 R)
• M12: 1,763,460 km (0.049 R)
• M13: 1,915,750 km (0.117 R)
• M14: 2,223,174 km (0.075 R)
• M15: 2,355,269 km (0.084 R)
• M16: 2,558,423 km (0.05 R)
• M17: 2,673,763 km (0.059 R)
• M18: 2,779,229 km (0.104 R)
• M19: 3,030,853 km (0.04 R)
• M20: 3,165,641 km (0.12 R)
• M21: 3,378,070 km (0.056 R)
• M22: 3,492,512 km (0.074 R)
• M23: 3,751,466 km (0.082 R)
• M24: 3,909,890 km (0.109 R)
• M25: 4,070,708 km (0.117 R)
• M26: 4,165,403 km (0.078 R)
• M27: 4,260,996 km (0.049 R)
• M28: 4,357,337 km (0.086 R)
• M29: 4,524,139 km (0.077 R)
• M30: 4,707,396 km (0.089 R)
• M31: 5,125,073 km (0.064 R)
• M32: 5,301,449 km (0.098 R)
• M33: 5,509,690 km (0.085 R)
• M34: 5,796,917 km (0.044 R)
• M35: 6,338,761 km (0.065 R)
• M36: 6,719,936 km (0.047 R)
• M37: 6,880,904 km (0.09 R)
• M38: 7,571,298 km (0.112 R)
• M39: 7,705,338 km (0.042 R)
• M40: 8,163,705 km (0.035 R)
• M41: 8,543,684 km (0.096 R)
• M42: 8,735,917 km (0.084 R)
• M43: 9,410,903 km (0.058 R)
• M44: 9,682,124 km (0.069 R)
• M45: 10,250,745 km (0.063 R)
• M46: 11,228,816 km (0.107 R)
• M47: 11,845,608 km (0.087 R)
• M48: 12,021,086 km (0.105 R)
• M49: 12,138,521 km (0.12 R)
• M50: 12,473,470 km (0.103 R)
• M51: 12,671,837 km (0.096 R)
• M52: 12,891,447 km (0.06 R)
• M53: 13,516,766 km (0.117 R)
• M54: 13,659,482 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989

Radius: 12.9

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.79 AU - 2.83 AU

Year: 2303 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 59,331,063 km

• M1: 177,722 km (0.071 R)
• M2: 260,151 km (0.114 R)
• M3: 413,788 km (0.048 R)
• M4: 591,959 km (0.07 R)
• M5: 789,578 km (0.105 R)
• M6: 968,646 km (0.088 R)
• M7: 1,074,412 km (0.091 R)
• M8: 1,513,930 km (0.054 R)
• M9: 1,953,150 km (0.108 R)
• M10: 2,048,593 km (0.041 R)
• M11: 2,258,629 km (0.098 R)
• M12: 2,609,436 km (0.114 R)
• M13: 3,200,796 km (0.038 R)
• M14: 3,314,341 km (0.08 R)
• M15: 3,412,776 km (0.102 R)
• M16: 3,578,979 km (0.065 R)
• M17: 3,764,930 km (0.069 R)
• M18: 3,936,818 km (0.117 R)
• M19: 4,076,243 km (0.089 R)
• M20: 4,668,800 km (0.087 R)
• M21: 5,079,147 km (0.105 R)
• M22: 5,250,287 km (0.111 R)
• M23: 5,540,058 km (0.113 R)
• M24: 5,914,651 km (0.1 R)
• M25: 6,094,916 km (0.109 R)
• M26: 6,216,240 km (0.075 R)
• M27: 6,338,163 km (0.118 R)
• M28: 6,461,132 km (0.107 R)
• M29: 6,646,933 km (0.117 R)
• M30: 7,023,919 km (0.097 R)
• M31: 7,537,489 km (0.115 R)
• M32: 7,733,163 km (0.081 R)
• M33: 7,996,904 km (0.098 R)
• M34: 8,085,466 km (0.074 R)
• M35: 8,241,197 km (0.029 R)
• M36: 8,487,884 km (0.09 R)
• M37: 8,782,741 km (0.11 R)
• M38: 8,919,923 km (0.096 R)
• M39: 9,196,529 km (0.104 R)
• M40: 9,593,263 km (0.073 R)
• M41: 10,187,017 km (0.077 R)
• M42: 10,524,659 km (0.105 R)
• M43: 10,694,901 km (0.088 R)
• M44: 10,915,109 km (0.115 R)
• M45: 11,384,996 km (0.088 R)
• M46: 11,509,761 km (0.103 R)
• M47: 12,319,085 km (0.105 R)
• M48: 12,756,510 km (0.081 R)
• M49: 12,938,121 km (0.063 R)
• M50: 13,068,421 km (0.104 R)
• M51: 13,199,020 km (0.064 R)
• M52: 13,303,888 km (0.102 R)
• M53: 13,461,714 km (0.059 R)
• M54: 13,779,310 km (0.036 R)
• M55: 14,179,634 km (0.056 R)
• M56: 14,448,761 km (0.084 R)
• M57: 14,529,843 km (0.063 R)
• M58: 14,964,724 km (0.069 R)
• M59: 15,046,703 km (0.084 R)
• M60: 15,680,550 km (0.089 R)
• M61: 16,210,724 km (0.111 R)
• M62: 16,492,118 km (0.058 R)
• M63: 16,831,855 km (0.09 R)
• M64: 16,917,275 km (0.061 R)
• M65: 17,002,696 km (0.091 R)
• M66: 17,116,839 km (0.065 R)
• M67: 18,039,558 km (0.075 R)
• M68: 18,243,610 km (0.114 R)
• M69: 19,513,546 km (0.097 R)
• M70: 19,993,307 km (0.033 R)
• M71: 20,144,101 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.5

Radius: 11.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.16 AU - 4.58 AU

Year: 5993 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,331,063 km

• M1: 154,684 km (0.106 R)
• M2: 319,840 km (0.113 R)
• M3: 492,027 km (0.097 R)
• M4: 652,097 km (0.111 R)
• M5: 845,527 km (0.09 R)
• M6: 1,255,425 km (0.093 R)
• M7: 1,411,306 km (0.101 R)
• M8: 1,619,995 km (0.106 R)
• M9: 1,694,944 km (0.112 R)
• M10: 1,829,133 km (0.104 R)
• M11: 2,017,178 km (0.108 R)
• M12: 2,128,927 km (0.104 R)
• M13: 2,211,655 km (0.108 R)
• M14: 2,295,430 km (0.106 R)
• M15: 2,685,880 km (0.047 R)
• M16: 2,775,489 km (0.033 R)
• M17: 3,015,743 km (0.076 R)
• M18: 3,334,537 km (0.077 R)
• M19: 4,435,128 km (0.103 R)
• M20: 4,515,013 km (0.052 R)
• M21: 5,101,138 km (0.088 R)
• M22: 5,226,950 km (0.086 R)
• M23: 6,480,131 km (0.044 R)
• M24: 7,391,631 km (0.108 R)
• M25: 7,565,912 km (0.093 R)
• M26: 7,806,017 km (0.101 R)
• M27: 8,016,052 km (0.116 R)
• M28: 8,228,032 km (0.054 R)
• M29: 8,491,474 km (0.069 R)
• M30: 8,657,528 km (0.117 R)
• M31: 8,841,533 km (0.12 R)
• M32: 9,972,194 km (0.117 R)
• M33: 10,253,139 km (0.039 R)
• M34: 11,293,442 km (0.117 R)
• M35: 11,807,610 km (0.043 R)
• M36: 11,881,811 km (0.068 R)
• M37: 12,067,611 km (0.118 R)
• M38: 12,273,309 km (0.073 R)
• M39: 12,593,448 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.9

Radius: 3.1

Gravity: 44.11 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.8 AU - 11.06 AU

Year: 17506 Days

Day: 18.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 59,331,063 km

• M1: 43,832 km (0.075 R)
• M2: 169,943 km (0.087 R)
• M3: 206,295 km (0.099 R)
• M4: 512,822 km (0.059 R)
• M5: 681,717 km (0.096 R)
• M6: 782,546 km (0.104 R)
• M7: 888,312 km (0.09 R)
• M8: 1,208,003 km (0.099 R)
• M9: 1,456,335 km (0.091 R)
• M10: 1,482,066 km (0.111 R)
• M11: 1,720,226 km (0.025 R)
• M12: 1,913,506 km (0.116 R)
• M13: 1,941,780 km (0.05 R)
• M14: 2,565,155 km (0.093 R)
• M15: 2,690,518 km (0.094 R)
• M16: 2,722,083 km (0.073 R)
• M17: 3,483,087 km (0.116 R)
• M18: 3,656,770 km (0.095 R)
• M19: 3,904,654 km (0.112 R)
• M20: 4,342,078 km (0.118 R)
• M21: 5,341,841 km (0.056 R)
• M22: 5,542,003 km (0.11 R)
• M23: 6,032,235 km (0.118 R)
• M24: 6,324,549 km (0.074 R)
• M25: 6,750,155 km (0.113 R)
• M26: 7,097,222 km (0.108 R)
• M27: 7,141,054 km (0.116 R)
• M28: 8,542,637 km (0.098 R)
• M29: 8,635,836 km (0.065 R)
• M30: 9,298,256 km (0.113 R)
• M31: 10,025,900 km (0.117 R)
• M32: 10,421,436 km (0.106 R)
• M33: 10,973,453 km (0.066 R)
• M34: 11,227,619 km (0.03 R)
• M35: 11,845,309 km (0.111 R)
• M36: 12,105,908 km (0.104 R)
• M37: 12,579,835 km (0.067 R)
• M38: 12,899,076 km (0.047 R)
• M39: 13,275,016 km (0.033 R)
• M40: 13,763,602 km (0.112 R)
• M41: 14,202,672 km (0.096 R)
• M42: 14,479,578 km (0.078 R)
• M43: 15,377,315 km (0.1 R)
• M44: 15,547,557 km (0.066 R)
• M45: 17,521,202 km (0.042 R)
• M46: 17,877,544 km (0.119 R)
• M47: 19,326,699 km (0.026 R)
• M48: 19,449,219 km (0.118 R)
• M49: 20,562,975 km (0.028 R)
• M50: 21,253,669 km (0.117 R)
• M51: 21,570,218 km (0.092 R)
• M52: 22,528,991 km (0.066 R)
• M53: 24,289,458 km (0.109 R)
• M54: 24,487,675 km (0.079 R)
• M55: 24,620,219 km (0.086 R)
• M56: 25,152,638 km (0.065 R)
• M57: 28,078,922 km (0.108 R)
• M58: 28,774,702 km (0.087 R)
• M59: 28,984,438 km (0.09 R)
• M60: 29,335,394 km (0.085 R)
• M61: 29,687,548 km (0.084 R)
• M62: 31,541,813 km (0.06 R)
• M63: 32,410,229 km (0.12 R)
• M64: 33,801,040 km (0.052 R)
• M65: 35,286,099 km (0.111 R)
• M66: 35,360,897 km (0.06 R)
• M67: 35,885,986 km (0.102 R)
• M68: 36,262,673 km (0.105 R)
• M69: 39,245,505 km (0.049 R)
• M70: 39,944,875 km (0.088 R)
• M71: 42,703,759 km (0.09 R)
• M72: 43,022,852 km (0.096 R)
• M73: 43,182,772 km (0.099 R)
• M74: 43,262,807 km (0.092 R)
• M75: 43,342,841 km (0.042 R)
• M76: 43,583,395 km (0.037 R)
• M77: 43,743,913 km (0.11 R)
• M78: 43,824,247 km (0.047 R)
• M79: 43,904,731 km (0.111 R)
• M80: 44,792,594 km (0.067 R)
• M81: 45,767,823 km (0.068 R)
• M82: 49,905,850 km (0.03 R)
• M83: 50,073,848 km (0.07 R)
• M84: 54,075,591 km (0.053 R)
• M85: 54,334,545 km (0.045 R)
• M86: 54,766,883 km (0.08 R)
• M87: 55,983,712 km (0.081 R)
• M88: 57,913,824 km (0.113 R)
• M89: 58,178,612 km (0.112 R)
• M90: 58,355,437 km (0.095 R)
• M91: 58,798,246 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 13,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit