🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.4 AU - 0.62 AU

Year: 235 Days

Day: 33.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,885,207 km

• M1: 162,314 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.64 AU - 0.7 AU

Year: 354 Days

Day: 46.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.6

Radius: 13.9

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.1 AU - 1.18 AU

Year: 786 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 30,885,207 km

• M1: 178,321 km (0.09 R)
• M2: 337,792 km (0.032 R)
• M3: 468,092 km (0.114 R)
• M4: 603,927 km (0.051 R)
• M5: 750,981 km (0.081 R)
• M6: 927,656 km (0.092 R)
• M7: 1,107,922 km (0.113 R)
• M8: 1,211,444 km (0.104 R)
• M9: 1,300,604 km (0.085 R)
• M10: 1,479,523 km (0.084 R)
• M11: 1,673,851 km (0.081 R)
• M12: 1,828,684 km (0.092 R)
• M13: 1,925,325 km (0.115 R)
• M14: 2,095,268 km (0.115 R)
• M15: 2,300,067 km (0.056 R)
• M16: 2,427,824 km (0.115 R)
• M17: 2,550,195 km (0.102 R)
• M18: 2,667,031 km (0.072 R)
• M19: 2,809,448 km (0.096 R)
• M20: 3,028,160 km (0.09 R)
• M21: 3,152,027 km (0.116 R)
• M22: 3,244,030 km (0.094 R)
• M23: 3,371,038 km (0.09 R)
• M24: 3,542,926 km (0.08 R)
• M25: 3,647,495 km (0.108 R)
• M26: 3,753,111 km (0.091 R)
• M27: 3,859,924 km (0.101 R)
• M28: 4,176,922 km (0.111 R)
• M29: 4,436,774 km (0.119 R)
• M30: 4,540,445 km (0.101 R)
• M31: 4,673,437 km (0.059 R)
• M32: 4,865,820 km (0.09 R)
• M33: 5,011,678 km (0.055 R)
• M34: 5,408,262 km (0.108 R)
• M35: 5,529,287 km (0.065 R)
• M36: 5,620,542 km (0.073 R)
• M37: 5,959,830 km (0.062 R)
• M38: 6,116,159 km (0.105 R)
• M39: 6,284,607 km (0.071 R)
• M40: 6,604,596 km (0.087 R)
• M41: 6,734,148 km (0.105 R)
• M42: 6,919,051 km (0.091 R)
• M43: 7,017,636 km (0.071 R)
• M44: 7,205,082 km (0.084 R)
• M45: 7,305,014 km (0.111 R)
• M46: 7,450,273 km (0.106 R)
• M47: 7,585,210 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.1

Radius: 10.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.3 AU - 1.42 AU

Year: 1024 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 30,885,207 km

• M1: 139,126 km (0.095 R)
• M2: 220,657 km (0.112 R)
• M3: 342,729 km (0.102 R)
• M4: 427,551 km (0.054 R)
• M5: 532,568 km (0.073 R)
• M6: 608,415 km (0.043 R)
• M7: 1,096,403 km (0.112 R)
• M8: 1,342,940 km (0.091 R)
• M9: 1,607,429 km (0.037 R)
• M10: 1,699,282 km (0.089 R)
• M11: 1,834,818 km (0.06 R)
• M12: 1,949,410 km (0.109 R)
• M13: 2,211,655 km (0.048 R)
• M14: 2,353,474 km (0.045 R)
• M15: 2,432,312 km (0.074 R)
• M16: 2,579,067 km (0.097 R)
• M17: 2,673,912 km (0.054 R)
• M18: 2,763,222 km (0.104 R)
• M19: 2,867,342 km (0.117 R)
• M20: 3,008,413 km (0.037 R)
• M21: 3,079,771 km (0.066 R)
• M22: 3,282,776 km (0.114 R)
• M23: 3,400,808 km (0.113 R)
• M24: 3,542,777 km (0.026 R)
• M25: 3,933,826 km (0.1 R)
• M26: 4,043,630 km (0.086 R)
• M27: 4,178,418 km (0.051 R)
• M28: 4,266,382 km (0.077 R)
• M29: 4,403,563 km (0.098 R)
• M30: 4,542,240 km (0.064 R)
• M31: 4,815,555 km (0.107 R)
• M32: 4,975,476 km (0.111 R)
• M33: 5,205,707 km (0.096 R)
• M34: 5,343,786 km (0.09 R)
• M35: 5,535,720 km (0.099 R)
• M36: 5,606,031 km (0.06 R)
• M37: 6,016,527 km (0.113 R)
• M38: 6,116,159 km (0.105 R)
• M39: 6,188,864 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 13.4

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.21 AU - 1.77 AU

Year: 1174 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 30,885,207 km

• M1: 185,651 km (0.105 R)
• M2: 336,894 km (0.093 R)
• M3: 420,220 km (0.117 R)
• M4: 528,230 km (0.114 R)
• M5: 617,241 km (0.076 R)
• M6: 728,841 km (0.089 R)
• M7: 914,193 km (0.12 R)
• M8: 1,019,509 km (0.047 R)
• M9: 1,419,235 km (0.12 R)
• M10: 1,506,600 km (0.076 R)
• M11: 1,694,944 km (0.096 R)
• M12: 1,843,345 km (0.112 R)
• M13: 1,996,384 km (0.109 R)
• M14: 2,111,873 km (0.026 R)
• M15: 2,332,680 km (0.086 R)
• M16: 2,632,923 km (0.119 R)
• M17: 2,769,505 km (0.083 R)
• M18: 2,946,031 km (0.107 R)
• M19: 3,069,000 km (0.091 R)
• M20: 3,155,169 km (0.087 R)
• M21: 3,300,578 km (0.101 R)
• M22: 3,408,737 km (0.114 R)
• M23: 3,558,036 km (0.047 R)
• M24: 3,658,865 km (0.115 R)
• M25: 3,750,419 km (0.088 R)
• M26: 3,873,837 km (0.115 R)
• M27: 3,977,658 km (0.058 R)
• M28: 4,273,413 km (0.075 R)
• M29: 4,467,441 km (0.118 R)
• M30: 4,620,330 km (0.026 R)
• M31: 4,897,834 km (0.093 R)
• M32: 5,123,877 km (0.075 R)
• M33: 5,330,172 km (0.109 R)
• M34: 5,422,923 km (0.116 R)
• M35: 5,539,460 km (0.108 R)
• M36: 5,680,381 km (0.042 R)
• M37: 5,870,220 km (0.09 R)
• M38: 6,207,564 km (0.068 R)
• M39: 6,292,834 km (0.119 R)
• M40: 6,700,489 km (0.082 R)
• M41: 7,078,672 km (0.11 R)
• M42: 7,373,380 km (0.053 R)
• M43: 7,476,752 km (0.091 R)
• M44: 7,790,010 km (0.045 R)
• M45: 8,107,606 km (0.104 R)
• M46: 8,660,071 km (0.045 R)
• M47: 9,030,625 km (0.082 R)
• M48: 9,224,953 km (0.107 R)
• M49: 9,490,639 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 13.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.11 AU - 2.29 AU

Year: 2107 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 30,885,207 km

• M1: 184,903 km (0.092 R)
• M2: 282,291 km (0.111 R)
• M3: 493,374 km (0.097 R)
• M4: 577,897 km (0.107 R)
• M5: 720,763 km (0.071 R)
• M6: 811,120 km (0.088 R)
• M7: 1,086,978 km (0.108 R)
• M8: 1,336,807 km (0.089 R)
• M9: 1,522,009 km (0.047 R)
• M10: 1,983,219 km (0.065 R)
• M11: 2,115,463 km (0.102 R)
• M12: 2,291,839 km (0.09 R)
• M13: 2,375,016 km (0.087 R)
• M14: 2,601,806 km (0.113 R)
• M15: 2,895,467 km (0.105 R)
• M16: 3,015,893 km (0.109 R)
• M17: 3,138,264 km (0.031 R)
• M18: 3,531,108 km (0.066 R)
• M19: 3,709,130 km (0.106 R)
• M20: 4,107,808 km (0.052 R)
• M21: 4,312,458 km (0.115 R)
• M22: 4,874,647 km (0.117 R)
• M23: 4,982,656 km (0.102 R)
• M24: 5,109,665 km (0.037 R)
• M25: 5,201,219 km (0.052 R)
• M26: 5,367,123 km (0.115 R)
• M27: 5,534,972 km (0.048 R)
• M28: 5,818,460 km (0.092 R)
• M29: 6,087,437 km (0.086 R)
• M30: 6,223,421 km (0.099 R)
• M31: 6,439,291 km (0.068 R)
• M32: 6,558,071 km (0.094 R)
• M33: 6,737,738 km (0.071 R)
• M34: 6,838,119 km (0.076 R)
• M35: 7,306,809 km (0.073 R)
• M36: 7,410,181 km (0.117 R)
• M37: 7,576,384 km (0.087 R)
• M38: 7,680,953 km (0.044 R)
• M39: 7,785,971 km (0.114 R)
• M40: 8,168,193 km (0.108 R)
• M41: 8,254,063 km (0.108 R)
• M42: 8,383,165 km (0.117 R)
• M43: 8,752,971 km (0.085 R)
• M44: 8,884,917 km (0.056 R)
• M45: 9,106,022 km (0.1 R)
• M46: 9,667,014 km (0.033 R)
• M47: 10,123,886 km (0.071 R)
• M48: 10,308,640 km (0.076 R)
• M49: 10,564,452 km (0.058 R)
• M50: 10,658,100 km (0.099 R)
• M51: 10,775,385 km (0.108 R)
• M52: 11,011,450 km (0.074 R)
• M53: 11,633,030 km (0.107 R)
• M54: 11,753,905 km (0.095 R)
• M55: 11,923,848 km (0.119 R)
• M56: 12,413,781 km (0.092 R)
• M57: 12,586,866 km (0.104 R)
• M58: 13,464,257 km (0.075 R)
• M59: 13,565,834 km (0.119 R)
• M60: 13,693,142 km (0.117 R)
• M61: 14,000,266 km (0.073 R)
• M62: 14,283,754 km (0.097 R)
• M63: 14,699,487 km (0.11 R)
• M64: 14,987,762 km (0.08 R)
• M65: 15,145,737 km (0.12 R)
• M66: 15,516,590 km (0.118 R)
• M67: 16,510,967 km (0.102 R)
• M68: 16,919,968 km (0.115 R)
• M69: 17,194,480 km (0.06 R)
• M70: 18,054,967 km (0.074 R)
• M71: 18,448,260 km (0.1 R)
• M72: 18,702,576 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.3

Radius: 6.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.85 AU - 6.19 AU

Year: 9537 Days

Day: 16.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 30,885,207 km

• M1: 221,255 km (0.089 R)
• M2: 345,721 km (0.097 R)
• M3: 587,770 km (0.071 R)
• M4: 726,896 km (0.081 R)
• M5: 766,689 km (0.091 R)
• M6: 991,983 km (0.106 R)
• M7: 1,112,410 km (0.047 R)
• M8: 1,894,059 km (0.114 R)
• M9: 2,044,255 km (0.079 R)
• M10: 2,725,224 km (0.042 R)
• M11: 3,003,028 km (0.109 R)
• M12: 3,447,932 km (0.088 R)
• M13: 3,539,486 km (0.11 R)
• M14: 3,937,266 km (0.062 R)
• M15: 4,081,030 km (0.119 R)
• M16: 4,300,041 km (0.1 R)
• M17: 5,057,306 km (0.058 R)
• M18: 5,239,965 km (0.098 R)
• M19: 5,424,718 km (0.077 R)
• M20: 5,746,503 km (0.087 R)
• M21: 6,157,598 km (0.065 R)
• M22: 6,606,392 km (0.047 R)
• M23: 6,663,239 km (0.101 R)
• M24: 7,240,687 km (0.067 R)
• M25: 7,565,015 km (0.055 R)
• M26: 8,015,155 km (0.067 R)
• M27: 8,381,370 km (0.094 R)
• M28: 9,161,972 km (0.087 R)
• M29: 9,480,615 km (0.088 R)
• M30: 9,802,999 km (0.086 R)
• M31: 10,128,823 km (0.11 R)
• M32: 10,293,231 km (0.061 R)
• M33: 10,691,161 km (0.081 R)
• M34: 11,604,905 km (0.053 R)
• M35: 11,776,793 km (0.12 R)
• M36: 12,123,262 km (0.099 R)
• M37: 12,262,837 km (0.1 R)
• M38: 13,003,945 km (0.107 R)
• M39: 14,124,433 km (0.079 R)
• M40: 14,677,645 km (0.047 R)
• M41: 15,162,791 km (0.1 R)
• M42: 15,275,439 km (0.108 R)
• M43: 15,501,780 km (0.07 R)
• M44: 15,957,605 km (0.093 R)
• M45: 16,302,428 km (0.113 R)
• M46: 16,610,899 km (0.104 R)
• M47: 16,843,523 km (0.079 R)
• M48: 17,233,824 km (0.116 R)
• M49: 17,626,968 km (0.088 R)
• M50: 17,745,449 km (0.12 R)
• M51: 17,943,517 km (0.076 R)
• M52: 18,985,615 km (0.118 R)
• M53: 19,800,625 km (0.107 R)
• M54: 21,338,042 km (0.114 R)
• M55: 21,422,265 km (0.088 R)
• M56: 21,464,302 km (0.09 R)
• M57: 21,675,535 km (0.103 R)
• M58: 21,887,216 km (0.084 R)
• M59: 22,099,794 km (0.096 R)
• M60: 22,270,336 km (0.032 R)
• M61: 22,398,392 km (0.107 R)
• M62: 22,612,616 km (0.096 R)
• M63: 22,741,420 km (0.048 R)
• M64: 22,827,438 km (0.096 R)
• M65: 23,086,093 km (0.069 R)
• M66: 23,736,993 km (0.061 R)
• M67: 24,702,498 km (0.108 R)
• M68: 24,879,472 km (0.051 R)
• M69: 25,323,628 km (0.075 R)
• M70: 25,860,236 km (0.042 R)
• M71: 27,492,049 km (0.086 R)
• M72: 27,813,236 km (0.114 R)
• M73: 28,320,373 km (0.084 R)
• M74: 28,923,701 km (0.119 R)
• M75: 29,110,250 km (0.034 R)
• M76: 29,719,113 km (0.08 R)
• M77: 31,235,736 km (0.109 R)
• M78: 31,283,608 km (0.093 R)
• M79: 32,099,814 km (0.091 R)
• M80: 32,148,134 km (0.087 R)
• M81: 32,292,944 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.7

Radius: 3.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.24 AU - 11.4 AU

Year: 22980 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 30,885,207 km

• M1: 92,152 km (0.061 R)
• M2: 636,988 km (0.039 R)
• M3: 832,512 km (0.114 R)
• M4: 901,776 km (0.08 R)
• M5: 958,474 km (0.06 R)
• M6: 1,420,581 km (0.067 R)
• M7: 1,656,796 km (0.096 R)
• M8: 2,164,980 km (0.1 R)
• M9: 3,554,894 km (0.032 R)
• M10: 4,296,451 km (0.103 R)
• M11: 5,888,172 km (0.119 R)
• M12: 5,914,801 km (0.052 R)
• M13: 6,129,025 km (0.069 R)
• M14: 6,318,565 km (0.076 R)
• M15: 7,323,265 km (0.104 R)
• M16: 8,168,193 km (0.092 R)
• M17: 8,859,784 km (0.052 R)
• M18: 9,320,995 km (0.052 R)
• M19: 9,695,438 km (0.027 R)
• M20: 12,587,763 km (0.107 R)
• M21: 13,314,510 km (0.038 R)
• M22: 13,700,622 km (0.082 R)
• M23: 14,627,680 km (0.09 R)
• M24: 15,135,265 km (0.084 R)
• M25: 16,880,923 km (0.119 R)
• M26: 17,451,190 km (0.066 R)
• M27: 17,758,015 km (0.099 R)
• M28: 18,182,724 km (0.035 R)
• M29: 18,767,352 km (0.095 R)
• M30: 19,121,001 km (0.073 R)
• M31: 19,278,977 km (0.036 R)
• M32: 19,397,608 km (0.07 R)
• M33: 19,874,975 km (0.078 R)
• M34: 20,074,987 km (0.115 R)
• M35: 20,155,172 km (0.067 R)
• M36: 21,616,593 km (0.083 R)
• M37: 21,781,151 km (0.089 R)
• M38: 21,946,008 km (0.071 R)
• M39: 22,070,024 km (0.06 R)
• M40: 22,651,511 km (0.118 R)
• M41: 23,027,899 km (0.082 R)
• M42: 23,195,898 km (0.041 R)
• M43: 23,364,345 km (0.09 R)
• M44: 24,898,172 km (0.114 R)
• M45: 25,113,743 km (0.074 R)
• M46: 26,464,013 km (0.096 R)
• M47: 27,481,129 km (0.112 R)
• M48: 27,614,720 km (0.116 R)
• M49: 27,837,920 km (0.028 R)
• M50: 29,872,900 km (0.056 R)
• M51: 30,056,157 km (0.079 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 13,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit