🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.44 AU - 0.62 AU

Year: 249 Days

Day: 37.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,754,632 km

• M1: 49,517 km (0.1 R)
• M2: 152,440 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.3

Radius: 12.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.67 AU - 0.73 AU

Year: 378 Days

Day: 5.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,754,632 km

• M1: 163,959 km (0.087 R)
• M2: 264,040 km (0.111 R)
• M3: 389,553 km (0.072 R)
• M4: 483,650 km (0.066 R)
• M5: 616,792 km (0.113 R)
• M6: 701,464 km (0.119 R)
• M7: 796,758 km (0.118 R)
• M8: 900,130 km (0.09 R)
• M9: 1,048,083 km (0.116 R)
• M10: 1,152,652 km (0.118 R)
• M11: 1,286,093 km (0.113 R)
• M12: 1,527,095 km (0.12 R)
• M13: 1,612,067 km (0.104 R)
• M14: 1,799,214 km (0.113 R)
• M15: 1,914,254 km (0.111 R)
• M16: 2,235,142 km (0.106 R)
• M17: 2,328,042 km (0.117 R)
• M18: 2,440,540 km (0.075 R)
• M19: 2,536,432 km (0.076 R)
• M20: 2,629,033 km (0.093 R)
• M21: 2,836,824 km (0.107 R)
• M22: 2,962,187 km (0.117 R)
• M23: 3,198,552 km (0.051 R)
• M24: 3,319,128 km (0.1 R)
• M25: 3,431,027 km (0.066 R)
• M26: 3,564,917 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 8.9

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.92 AU - 1.34 AU

Year: 776 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 87,754,632 km

• M1: 128,804 km (0.092 R)
• M2: 187,596 km (0.038 R)
• M3: 343,776 km (0.089 R)
• M4: 463,454 km (0.078 R)
• M5: 553,512 km (0.063 R)
• M6: 650,302 km (0.115 R)
• M7: 709,094 km (0.026 R)
• M8: 769,980 km (0.11 R)
• M9: 885,470 km (0.042 R)
• M10: 1,006,943 km (0.119 R)
• M11: 1,076,357 km (0.113 R)
• M12: 1,220,120 km (0.063 R)
• M13: 1,287,589 km (0.119 R)
• M14: 1,391,260 km (0.073 R)
• M15: 1,454,839 km (0.094 R)
• M16: 1,526,796 km (0.037 R)
• M17: 1,651,710 km (0.093 R)
• M18: 1,711,848 km (0.085 R)
• M19: 1,811,032 km (0.042 R)
• M20: 2,071,482 km (0.071 R)
• M21: 2,169,319 km (0.074 R)
• M22: 2,243,669 km (0.11 R)
• M23: 2,302,012 km (0.047 R)
• M24: 2,360,954 km (0.094 R)
• M25: 2,429,021 km (0.104 R)
• M26: 2,567,099 km (0.082 R)
• M27: 2,654,614 km (0.071 R)
• M28: 3,006,020 km (0.051 R)
• M29: 3,314,939 km (0.077 R)
• M30: 3,400,958 km (0.073 R)
• M31: 3,892,537 km (0.106 R)
• M32: 3,973,319 km (0.056 R)
• M33: 4,157,026 km (0.098 R)
• M34: 4,229,281 km (0.086 R)
• M35: 4,385,462 km (0.104 R)
• M36: 4,490,629 km (0.109 R)
• M37: 4,692,885 km (0.073 R)
• M38: 4,768,133 km (0.066 R)
• M39: 4,941,666 km (0.081 R)
• M40: 5,228,146 km (0.077 R)
• M41: 5,463,613 km (0.053 R)
• M42: 5,645,225 km (0.107 R)
• M43: 5,736,929 km (0.101 R)
• M44: 5,828,931 km (0.112 R)
• M45: 5,898,345 km (0.114 R)
• M46: 6,049,738 km (0.11 R)
• M47: 6,131,718 km (0.06 R)
• M48: 6,392,018 km (0.1 R)
• M49: 6,499,429 km (0.118 R)
• M50: 6,704,229 km (0.109 R)
• M51: 7,231,561 km (0.068 R)
• M52: 7,318,627 km (0.085 R)
• M53: 7,381,009 km (0.044 R)
• M54: 7,619,917 km (0.099 R)
• M55: 7,810,355 km (0.081 R)
• M56: 8,587,815 km (0.065 R)
• M57: 8,945,653 km (0.113 R)
• M58: 9,039,302 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 14.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.02 AU - 1.28 AU

Year: 796 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,754,632 km

• M1: 196,572 km (0.066 R)
• M2: 346,768 km (0.115 R)
• M3: 480,060 km (0.101 R)
• M4: 581,337 km (0.088 R)
• M5: 777,161 km (0.045 R)
• M6: 928,404 km (0.054 R)
• M7: 1,164,470 km (0.078 R)
• M8: 1,323,492 km (0.065 R)
• M9: 1,433,746 km (0.063 R)
• M10: 1,750,744 km (0.11 R)
• M11: 1,900,641 km (0.105 R)
• M12: 2,012,391 km (0.114 R)
• M13: 2,199,089 km (0.108 R)
• M14: 2,444,579 km (0.08 R)
• M15: 2,559,320 km (0.101 R)
• M16: 2,930,622 km (0.105 R)
• M17: 3,061,072 km (0.062 R)
• M18: 3,218,598 km (0.117 R)
• M19: 3,421,602 km (0.058 R)
• M20: 3,831,501 km (0.092 R)
• M21: 3,965,690 km (0.05 R)
• M22: 4,312,757 km (0.113 R)
• M23: 4,433,782 km (0.06 R)
• M24: 4,593,851 km (0.056 R)
• M25: 4,746,441 km (0.118 R)
• M26: 4,861,781 km (0.108 R)
• M27: 4,988,042 km (0.064 R)
• M28: 5,184,314 km (0.096 R)
• M29: 5,584,638 km (0.059 R)
• M30: 5,891,613 km (0.099 R)
• M31: 6,047,195 km (0.113 R)
• M32: 6,267,253 km (0.11 R)
• M33: 6,543,560 km (0.098 R)
• M34: 6,780,523 km (0.071 R)
• M35: 6,910,973 km (0.118 R)
• M36: 7,251,906 km (0.12 R)
• M37: 7,508,317 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.87 AU - 4.31 AU

Year: 5341 Days

Day: 5.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 87,754,632 km

• M1: 241,900 km (0.059 R)
• M2: 430,393 km (0.073 R)
• M3: 513,270 km (0.038 R)
• M4: 574,905 km (0.104 R)
• M5: 1,198,877 km (0.106 R)
• M6: 1,345,782 km (0.098 R)
• M7: 1,808,489 km (0.114 R)
• M8: 2,094,071 km (0.113 R)
• M9: 2,257,282 km (0.08 R)
• M10: 2,440,240 km (0.078 R)
• M11: 2,502,324 km (0.11 R)
• M12: 2,837,124 km (0.056 R)
• M13: 3,051,497 km (0.084 R)
• M14: 3,637,323 km (0.048 R)
• M15: 3,816,242 km (0.12 R)
• M16: 3,998,153 km (0.046 R)
• M17: 4,201,456 km (0.109 R)
• M18: 4,599,237 km (0.089 R)
• M19: 4,753,921 km (0.094 R)
• M20: 4,832,011 km (0.058 R)
• M21: 4,969,492 km (0.073 R)
• M22: 5,738,874 km (0.045 R)
• M23: 5,989,600 km (0.104 R)
• M24: 6,265,308 km (0.114 R)
• M25: 6,675,655 km (0.12 R)
• M26: 6,763,170 km (0.085 R)
• M27: 6,873,125 km (0.057 R)
• M28: 7,590,746 km (0.104 R)
• M29: 7,705,038 km (0.063 R)
• M30: 8,028,170 km (0.113 R)
• M31: 8,214,718 km (0.078 R)
• M32: 8,426,399 km (0.07 R)
• M33: 8,687,597 km (0.105 R)
• M34: 9,242,306 km (0.087 R)
• M35: 9,339,993 km (0.109 R)
• M36: 9,659,684 km (0.112 R)
• M37: 9,734,034 km (0.105 R)
• M38: 9,883,183 km (0.111 R)
• M39: 10,538,422 km (0.05 R)
• M40: 10,691,610 km (0.039 R)
• M41: 10,845,546 km (0.106 R)
• M42: 11,181,543 km (0.114 R)
• M43: 11,917,116 km (0.104 R)
• M44: 12,076,737 km (0.115 R)
• M45: 12,505,933 km (0.081 R)
• M46: 12,641,170 km (0.087 R)
• M47: 13,600,840 km (0.116 R)
• M48: 14,103,489 km (0.12 R)
• M49: 14,187,862 km (0.067 R)
• M50: 14,272,385 km (0.043 R)
• M51: 14,726,115 km (0.098 R)
• M52: 14,897,405 km (0.084 R)
• M53: 15,299,823 km (0.091 R)
• M54: 15,444,484 km (0.099 R)
• M55: 15,502,528 km (0.076 R)
• M56: 15,851,839 km (0.065 R)
• M57: 17,184,906 km (0.119 R)
• M58: 17,365,321 km (0.065 R)
• M59: 17,576,553 km (0.057 R)
• M60: 17,667,509 km (0.084 R)
• M61: 17,758,464 km (0.119 R)
• M62: 18,032,378 km (0.047 R)
• M63: 18,154,450 km (0.045 R)
• M64: 18,215,785 km (0.111 R)
• M65: 18,769,596 km (0.12 R)
• M66: 18,893,463 km (0.057 R)
• M67: 19,048,596 km (0.118 R)
• M68: 19,141,945 km (0.104 R)
• M69: 19,266,560 km (0.071 R)
• M70: 19,360,208 km (0.053 R)
• M71: 19,704,882 km (0.101 R)
• M72: 19,862,259 km (0.033 R)
• M73: 20,051,799 km (0.087 R)
• M74: 20,146,644 km (0.115 R)
• M75: 20,210,074 km (0.056 R)
• M76: 20,273,503 km (0.118 R)
• M77: 20,368,797 km (0.104 R)
• M78: 21,200,711 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.8

Radius: 4.7

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.9 AU - 9.56 AU

Year: 18106 Days

Day: 21.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 87,754,632 km

• M1: 70,311 km (0.032 R)
• M2: 119,977 km (0.102 R)
• M3: 211,382 km (0.049 R)
• M4: 551,119 km (0.06 R)
• M5: 852,708 km (0.027 R)
• M6: 1,118,394 km (0.084 R)
• M7: 1,323,343 km (0.062 R)
• M8: 1,584,541 km (0.072 R)
• M9: 1,652,308 km (0.103 R)
• M10: 2,153,761 km (0.111 R)
• M11: 2,645,040 km (0.081 R)
• M12: 2,834,580 km (0.07 R)
• M13: 4,406,704 km (0.056 R)
• M14: 5,949,507 km (0.053 R)
• M15: 7,833,244 km (0.031 R)
• M16: 9,060,545 km (0.033 R)
• M17: 9,469,096 km (0.093 R)
• M18: 9,510,236 km (0.052 R)
• M19: 9,634,252 km (0.104 R)
• M20: 10,687,421 km (0.118 R)
• M21: 10,773,291 km (0.071 R)
• M22: 10,859,309 km (0.06 R)
• M23: 10,902,394 km (0.112 R)
• M24: 11,732,512 km (0.12 R)
• M25: 11,954,216 km (0.094 R)
• M26: 12,900,872 km (0.069 R)
• M27: 13,964,961 km (0.105 R)
• M28: 17,624,873 km (0.108 R)
• M29: 18,287,741 km (0.092 R)
• M30: 18,699,584 km (0.113 R)
• M31: 18,751,345 km (0.042 R)
• M32: 20,484,287 km (0.079 R)
• M33: 22,158,137 km (0.114 R)
• M34: 22,322,545 km (0.117 R)
• M35: 22,377,298 km (0.064 R)
• M36: 23,539,674 km (0.051 R)
• M37: 24,778,344 km (0.116 R)
• M38: 25,234,019 km (0.088 R)
• M39: 25,922,768 km (0.101 R)
• M40: 26,675,694 km (0.118 R)
• M41: 29,698,468 km (0.074 R)
• M42: 30,608,024 km (0.046 R)
• M43: 32,020,227 km (0.064 R)
• M44: 34,336,152 km (0.049 R)
• M45: 34,526,291 km (0.101 R)
• M46: 34,653,300 km (0.058 R)
• M47: 37,420,112 km (0.109 R)
• M48: 38,599,093 km (0.088 R)
• M49: 39,127,173 km (0.079 R)
• M50: 39,723,919 km (0.118 R)
• M51: 40,658,158 km (0.114 R)
• M52: 41,262,683 km (0.038 R)
• M53: 41,330,002 km (0.111 R)
• M54: 41,397,471 km (0.045 R)
• M55: 41,802,432 km (0.058 R)
• M56: 45,020,582 km (0.082 R)
• M57: 45,924,751 km (0.114 R)
• M58: 46,343,924 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.1

Radius: 3.7

Gravity: 69.4 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.25 AU - 12.15 AU

Year: 21034 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 87,754,632 km

• M1: 48,769 km (0.064 R)
• M2: 392,694 km (0.045 R)
• M3: 620,382 km (0.047 R)
• M4: 1,302,997 km (0.095 R)
• M5: 1,533,229 km (0.113 R)
• M6: 1,883,736 km (0.093 R)
• M7: 2,573,831 km (0.041 R)
• M8: 2,695,754 km (0.115 R)
• M9: 3,601,270 km (0.113 R)
• M10: 3,646,448 km (0.077 R)
• M11: 4,204,598 km (0.083 R)
• M12: 4,348,361 km (0.112 R)
• M13: 4,445,002 km (0.103 R)
• M14: 5,398,239 km (0.116 R)
• M15: 6,412,064 km (0.095 R)
• M16: 6,912,319 km (0.108 R)
• M17: 8,127,503 km (0.096 R)
• M18: 8,607,413 km (0.116 R)
• M19: 8,850,808 km (0.099 R)
• M20: 9,096,598 km (0.071 R)
• M21: 10,293,979 km (0.093 R)
• M22: 10,878,308 km (0.097 R)
• M23: 11,009,655 km (0.077 R)
• M24: 11,875,827 km (0.12 R)
• M25: 13,320,494 km (0.097 R)
• M26: 13,672,647 km (0.1 R)
• M27: 13,956,584 km (0.115 R)
• M28: 14,458,036 km (0.101 R)
• M29: 15,038,326 km (0.082 R)
• M30: 15,111,330 km (0.107 R)
• M31: 15,774,347 km (0.099 R)
• M32: 16,672,982 km (0.088 R)
• M33: 20,187,335 km (0.087 R)
• M34: 20,591,549 km (0.056 R)
• M35: 20,998,455 km (0.095 R)
• M36: 21,654,890 km (0.091 R)
• M37: 21,820,046 km (0.085 R)
• M38: 21,902,774 km (0.101 R)
• M39: 22,234,732 km (0.117 R)
• M40: 24,604,811 km (0.052 R)
• M41: 25,383,617 km (0.079 R)
• M42: 26,082,538 km (0.087 R)
• M43: 26,876,305 km (0.118 R)
• M44: 28,126,943 km (0.112 R)
• M45: 28,668,637 km (0.078 R)
• M46: 30,962,720 km (0.077 R)
• M47: 31,990,607 km (0.112 R)
• M48: 32,084,555 km (0.113 R)
• M49: 33,983,849 km (0.088 R)
• M50: 35,431,956 km (0.063 R)
• M51: 35,723,972 km (0.105 R)
• M52: 37,691,333 km (0.115 R)
• M53: 37,790,517 km (0.114 R)
• M54: 38,388,160 km (0.028 R)
• M55: 39,693,401 km (0.118 R)
• M56: 39,895,508 km (0.089 R)
• M57: 40,605,649 km (0.046 R)
• M58: 43,071,770 km (0.092 R)
• M59: 43,695,743 km (0.103 R)
• M60: 44,637,461 km (0.078 R)
• M61: 45,797,443 km (0.093 R)
• M62: 46,115,488 km (0.1 R)
• M63: 46,328,067 km (0.032 R)
• M64: 46,753,972 km (0.105 R)
• M65: 47,074,261 km (0.076 R)
• M66: 48,902,796 km (0.103 R)
• M67: 49,119,563 km (0.078 R)
• M68: 50,973,978 km (0.049 R)
• M69: 53,742,437 km (0.078 R)
• M70: 54,638,528 km (0.101 R)
• M71: 56,786,753 km (0.09 R)
• M72: 57,470,715 km (0.111 R)
• M73: 58,616,934 km (0.073 R)
• M74: 60,234,236 km (0.109 R)
• M75: 60,699,037 km (0.11 R)
• M76: 63,158,575 km (0.094 R)
• M77: 68,416,342 km (0.098 R)
• M78: 68,537,367 km (0.086 R)
• M79: 69,508,855 km (0.111 R)
• M80: 71,097,286 km (0.107 R)
• M81: 71,957,473 km (0.118 R)
• M82: 75,182,654 km (0.103 R)
• M83: 76,310,023 km (0.077 R)
• M84: 76,938,783 km (0.114 R)
• M85: 77,064,745 km (0.087 R)
• M86: 78,962,244 km (0.101 R)
• M87: 81,003,058 km (0.079 R)
• M88: 83,061,226 km (0.114 R)
• M89: 83,707,937 km (0.052 R)
• M90: 83,837,489 km (0.116 R)
• M91: 84,226,593 km (0.074 R)
• M92: 84,616,146 km (0.107 R)
• M93: 85,658,095 km (0.102 R)
• M94: 86,049,892 km (0.102 R)
• M95: 87,754,560 km (0.089 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: 394 - 17,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit