🌌 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: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.51 AU - 0.65 AU

Year: 285 Days

Day: 22.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 9.2

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.55 AU - 0.85 AU

Year: 378 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 18,820,003 km

• M1: 139,276 km (0.105 R)
• M2: 210,783 km (0.085 R)
• M3: 280,047 km (0.083 R)
• M4: 343,776 km (0.073 R)
• M5: 407,953 km (0.11 R)
• M6: 474,076 km (0.095 R)
• M7: 540,946 km (0.113 R)
• M8: 681,867 km (0.114 R)
• M9: 767,138 km (0.039 R)
• M10: 839,693 km (0.103 R)
• M11: 927,656 km (0.119 R)
• M12: 1,001,259 km (0.095 R)
• M13: 1,108,670 km (0.107 R)
• M14: 1,238,970 km (0.091 R)
• M15: 1,301,352 km (0.117 R)
• M16: 1,439,431 km (0.072 R)
• M17: 1,525,599 km (0.048 R)
• M18: 1,592,769 km (0.103 R)
• M19: 1,676,843 km (0.103 R)
• M20: 1,757,027 km (0.084 R)
• M21: 1,855,014 km (0.109 R)
• M22: 2,033,783 km (0.104 R)
• M23: 2,096,614 km (0.114 R)
• M24: 2,200,884 km (0.056 R)
• M25: 2,420,494 km (0.079 R)
• M26: 2,487,214 km (0.096 R)
• M27: 2,560,816 km (0.103 R)
• M28: 2,622,600 km (0.046 R)
• M29: 2,773,096 km (0.084 R)
• M30: 2,965,179 km (0.111 R)
• M31: 3,168,483 km (0.11 R)
• M32: 3,389,738 km (0.072 R)
• M33: 3,588,554 km (0.077 R)
• M34: 3,720,948 km (0.092 R)
• M35: 3,784,078 km (0.07 R)
• M36: 3,918,866 km (0.103 R)
• M37: 4,019,096 km (0.104 R)
• M38: 4,076,841 km (0.077 R)
• M39: 4,185,748 km (0.067 R)
• M40: 4,244,391 km (0.107 R)
• M41: 4,384,414 km (0.096 R)
• M42: 4,481,055 km (0.058 R)
• M43: 4,556,003 km (0.108 R)
• M44: 4,767,983 km (0.111 R)
• M45: 5,123,278 km (0.12 R)
• M46: 5,296,213 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 14.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.78 AU - 1.12 AU

Year: 598 Days

Day: 8.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 18,820,003 km

• M1: 209,736 km (0.106 R)
• M2: 323,281 km (0.113 R)
• M3: 444,006 km (0.111 R)
• M4: 543,938 km (0.059 R)
• M5: 637,137 km (0.093 R)
• M6: 737,368 km (0.045 R)
• M7: 907,012 km (0.106 R)
• M8: 1,300,305 km (0.038 R)
• M9: 1,404,275 km (0.106 R)
• M10: 1,499,270 km (0.028 R)
• M11: 1,658,592 km (0.097 R)
• M12: 1,785,151 km (0.116 R)
• M13: 1,921,734 km (0.063 R)
• M14: 2,102,748 km (0.099 R)
• M15: 2,388,928 km (0.11 R)
• M16: 2,511,449 km (0.113 R)
• M17: 2,665,684 km (0.088 R)
• M18: 2,792,992 km (0.054 R)
• M19: 2,930,173 km (0.119 R)
• M20: 3,030,554 km (0.096 R)
• M21: 3,274,997 km (0.093 R)
• M22: 3,444,192 km (0.038 R)
• M23: 3,583,467 km (0.033 R)
• M24: 3,682,950 km (0.088 R)
• M25: 3,783,330 km (0.067 R)
• M26: 3,995,610 km (0.104 R)
• M27: 4,098,832 km (0.038 R)
• M28: 4,194,276 km (0.083 R)
• M29: 4,387,556 km (0.09 R)
• M30: 4,692,137 km (0.119 R)
• M31: 5,078,100 km (0.053 R)
• M32: 5,208,998 km (0.099 R)
• M33: 5,599,149 km (0.076 R)
• M34: 5,802,752 km (0.104 R)
• M35: 6,127,529 km (0.12 R)
• M36: 6,367,633 km (0.098 R)
• M37: 6,651,720 km (0.064 R)
• M38: 6,785,011 km (0.037 R)
• M39: 7,179,950 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 11.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.97 AU - 1.13 AU

Year: 695 Days

Day: 8.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 18,820,003 km

• M1: 168,597 km (0.09 R)
• M2: 275,260 km (0.107 R)
• M3: 360,232 km (0.106 R)
• M4: 458,517 km (0.095 R)
• M5: 533,616 km (0.071 R)
• M6: 694,134 km (0.115 R)
• M7: 851,062 km (0.077 R)
• M8: 998,117 km (0.068 R)
• M9: 1,089,521 km (0.082 R)
• M10: 1,269,188 km (0.102 R)
• M11: 1,381,985 km (0.088 R)
• M12: 1,577,510 km (0.092 R)
• M13: 1,672,055 km (0.079 R)
• M14: 1,817,614 km (0.065 R)
• M15: 1,895,704 km (0.062 R)
• M16: 1,982,022 km (0.118 R)
• M17: 2,062,506 km (0.081 R)
• M18: 2,136,557 km (0.079 R)
• M19: 2,295,280 km (0.084 R)
• M20: 2,449,964 km (0.07 R)
• M21: 2,576,375 km (0.034 R)
• M22: 2,672,716 km (0.051 R)
• M23: 2,803,015 km (0.11 R)
• M24: 2,885,593 km (0.047 R)
• M25: 2,968,919 km (0.071 R)
• M26: 3,044,616 km (0.098 R)
• M27: 3,146,642 km (0.064 R)
• M28: 3,345,457 km (0.053 R)
• M29: 3,459,750 km (0.068 R)
• M30: 3,656,172 km (0.093 R)
• M31: 3,746,529 km (0.105 R)
• M32: 3,847,059 km (0.113 R)
• M33: 4,031,962 km (0.098 R)
• M34: 4,106,761 km (0.103 R)
• M35: 4,334,000 km (0.079 R)
• M36: 4,458,914 km (0.052 R)
• M37: 4,751,677 km (0.105 R)
• M38: 4,930,297 km (0.088 R)
• M39: 5,040,700 km (0.09 R)
• M40: 5,141,679 km (0.096 R)
• M41: 5,263,751 km (0.094 R)
• M42: 5,345,730 km (0.099 R)
• M43: 5,521,358 km (0.104 R)
• M44: 5,719,875 km (0.092 R)
• M45: 5,899,542 km (0.083 R)
• M46: 6,188,864 km (0.074 R)
• M47: 6,362,397 km (0.099 R)
• M48: 6,449,912 km (0.112 R)
• M49: 6,826,001 km (0.084 R)
• M50: 6,904,241 km (0.068 R)
• M51: 7,141,054 km (0.039 R)
• M52: 7,220,640 km (0.061 R)
• M53: 7,311,895 km (0.045 R)
• M54: 7,541,677 km (0.078 R)
• M55: 7,657,466 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 12.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.47 AU - 1.47 AU

Year: 1151 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 18,820,003 km

• M1: 162,613 km (0.074 R)
• M2: 273,764 km (0.068 R)
• M3: 365,019 km (0.069 R)
• M4: 453,282 km (0.117 R)
• M5: 539,450 km (0.069 R)
• M6: 695,032 km (0.113 R)
• M7: 806,033 km (0.105 R)
• M8: 946,356 km (0.052 R)
• M9: 1,120,039 km (0.12 R)
• M10: 1,228,049 km (0.045 R)
• M11: 1,625,381 km (0.065 R)
• M12: 1,710,801 km (0.105 R)
• M13: 1,802,505 km (0.081 R)
• M14: 1,886,130 km (0.081 R)
• M15: 2,026,902 km (0.045 R)
• M16: 2,192,058 km (0.08 R)
• M17: 2,351,230 km (0.093 R)
• M18: 2,475,845 km (0.065 R)
• M19: 2,608,388 km (0.108 R)
• M20: 2,703,682 km (0.102 R)
• M21: 3,002,728 km (0.077 R)
• M22: 3,108,793 km (0.095 R)
• M23: 3,192,119 km (0.106 R)
• M24: 3,288,311 km (0.114 R)
• M25: 3,403,950 km (0.112 R)
• M26: 3,639,267 km (0.065 R)
• M27: 3,733,664 km (0.069 R)
• M28: 3,879,970 km (0.063 R)
• M29: 4,073,849 km (0.104 R)
• M30: 4,198,315 km (0.12 R)
• M31: 4,304,080 km (0.08 R)
• M32: 4,477,913 km (0.088 R)
• M33: 4,592,804 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 11.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.6 AU - 6.1 AU

Year: 7990 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 18,820,003 km

• M1: 300,692 km (0.087 R)
• M2: 399,426 km (0.117 R)
• M3: 828,323 km (0.069 R)
• M4: 1,202,468 km (0.092 R)
• M5: 1,480,570 km (0.117 R)
• M6: 1,606,083 km (0.037 R)
• M7: 1,846,038 km (0.098 R)
• M8: 1,959,134 km (0.053 R)
• M9: 2,288,099 km (0.068 R)
• M10: 2,434,705 km (0.08 R)
• M11: 2,609,585 km (0.069 R)
• M12: 2,893,223 km (0.043 R)
• M13: 3,241,337 km (0.079 R)
• M14: 3,546,367 km (0.114 R)
• M15: 3,688,336 km (0.072 R)
• M16: 3,889,993 km (0.046 R)
• M17: 4,006,979 km (0.103 R)
• M18: 4,125,161 km (0.094 R)
• M19: 4,578,742 km (0.076 R)
• M20: 5,272,876 km (0.072 R)
• M21: 5,599,299 km (0.116 R)
• M22: 6,444,227 km (0.082 R)
• M23: 7,989,125 km (0.079 R)
• M24: 8,251,220 km (0.111 R)
• M25: 8,326,617 km (0.106 R)
• M26: 8,402,164 km (0.107 R)
• M27: 8,707,045 km (0.068 R)
• M28: 9,288,382 km (0.109 R)
• M29: 9,484,954 km (0.108 R)
• M30: 9,802,400 km (0.094 R)
• M31: 9,922,228 km (0.072 R)
• M32: 11,148,482 km (0.113 R)
• M33: 11,231,958 km (0.072 R)
• M34: 11,441,544 km (0.078 R)
• M35: 11,567,805 km (0.08 R)
• M36: 11,694,664 km (0.087 R)
• M37: 12,206,588 km (0.119 R)
• M38: 12,638,776 km (0.115 R)
• M39: 13,696,732 km (0.106 R)
• M40: 14,010,589 km (0.117 R)
• M41: 14,145,825 km (0.09 R)
• M42: 14,736,886 km (0.069 R)
• M43: 15,336,175 km (0.08 R)
• M44: 15,475,601 km (0.039 R)
• M45: 15,615,475 km (0.045 R)
• M46: 15,849,446 km (0.104 R)
• M47: 16,037,490 km (0.119 R)
• M48: 16,320,978 km (0.086 R)
• M49: 16,463,395 km (0.081 R)
• M50: 17,326,276 km (0.118 R)
• M51: 17,471,535 km (0.084 R)
• M52: 18,400,837 km (0.11 R)
• M53: 19,446,526 km (0.114 R)
• M54: 19,900,706 km (0.12 R)
• M55: 20,409,338 km (0.069 R)
• M56: 22,328,529 km (0.074 R)
• M57: 22,433,846 km (0.112 R)
• M58: 23,016,380 km (0.096 R)
• M59: 23,122,894 km (0.093 R)
• M60: 23,229,408 km (0.067 R)
• M61: 23,336,221 km (0.099 R)
• M62: 23,872,529 km (0.072 R)
• M63: 24,413,026 km (0.115 R)
• M64: 25,231,326 km (0.113 R)
• M65: 25,781,697 km (0.111 R)
• M66: 26,058,453 km (0.092 R)
• M67: 26,224,956 km (0.061 R)
• M68: 26,391,907 km (0.103 R)
• M69: 27,456,894 km (0.03 R)
• M70: 29,340,032 km (0.103 R)
• M71: 29,918,826 km (0.11 R)
• M72: 30,267,988 km (0.09 R)
• M73: 31,914,911 km (0.074 R)
• M74: 32,749,367 km (0.092 R)
• M75: 32,929,184 km (0.096 R)
• M76: 33,289,565 km (0.072 R)
• M77: 33,651,293 km (0.095 R)
• M78: 34,622,482 km (0.044 R)
• M79: 36,592,238 km (0.068 R)
• M80: 36,965,634 km (0.094 R)
• M81: 38,030,322 km (0.063 R)
• M82: 39,359,499 km (0.115 R)
• M83: 39,614,414 km (0.108 R)
• M84: 40,254,094 km (0.092 R)
• M85: 41,155,421 km (0.079 R)
• M86: 41,998,256 km (0.118 R)
• M87: 42,128,406 km (0.111 R)
• M88: 44,030,992 km (0.093 R)
• M89: 44,163,236 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.1

Radius: 5.8

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.4 AU - 7.18 AU

Year: 10186 Days

Day: 15.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 18,820,003 km

• M1: 101,427 km (0.046 R)
• M2: 179,218 km (0.074 R)
• M3: 375,042 km (0.089 R)
• M4: 411,544 km (0.098 R)
• M5: 529,277 km (0.109 R)
• M6: 734,226 km (0.091 R)
• M7: 781,350 km (0.068 R)
• M8: 878,588 km (0.082 R)
• M9: 1,067,680 km (0.059 R)
• M10: 1,194,689 km (0.116 R)
• M11: 1,250,638 km (0.095 R)
• M12: 1,345,932 km (0.114 R)
• M13: 1,543,700 km (0.111 R)
• M14: 2,077,914 km (0.041 R)
• M15: 2,168,421 km (0.073 R)
• M16: 2,887,837 km (0.118 R)
• M17: 3,117,171 km (0.104 R)
• M18: 3,168,932 km (0.111 R)
• M19: 3,405,446 km (0.076 R)
• M20: 4,177,072 km (0.067 R)
• M21: 4,262,941 km (0.054 R)
• M22: 4,494,668 km (0.1 R)
• M23: 5,306,685 km (0.053 R)
• M24: 5,493,234 km (0.086 R)
• M25: 5,682,026 km (0.114 R)
• M26: 6,293,732 km (0.118 R)
• M27: 6,690,765 km (0.082 R)
• M28: 7,578,628 km (0.112 R)
• M29: 7,718,502 km (0.112 R)
• M30: 8,978,415 km (0.12 R)
• M31: 9,500,063 km (0.1 R)
• M32: 10,223,518 km (0.096 R)
• M33: 10,378,203 km (0.071 R)
• M34: 10,494,590 km (0.101 R)
• M35: 10,964,776 km (0.091 R)
• M36: 11,521,878 km (0.1 R)
• M37: 11,763,629 km (0.108 R)
• M38: 12,088,256 km (0.094 R)
• M39: 12,457,164 km (0.105 R)
• M40: 13,374,349 km (0.064 R)
• M41: 13,755,823 km (0.116 R)
• M42: 13,883,730 km (0.083 R)
• M43: 14,486,160 km (0.091 R)
• M44: 15,140,950 km (0.089 R)
• M45: 15,760,734 km (0.089 R)
• M46: 15,805,314 km (0.103 R)
• M47: 17,346,172 km (0.116 R)
• M48: 17,715,679 km (0.103 R)
• M49: 18,228,052 km (0.054 R)
• M50: 19,267,159 km (0.058 R)
• M51: 19,745,872 km (0.068 R)
• M52: 20,325,414 km (0.079 R)
• M53: 20,617,279 km (0.109 R)
• M54: 21,057,695 km (0.078 R)
• M55: 21,155,981 km (0.051 R)
• M56: 21,699,321 km (0.103 R)
• M57: 22,147,217 km (0.118 R)
• M58: 22,447,609 km (0.094 R)
• M59: 23,001,720 km (0.058 R)
• M60: 23,204,275 km (0.115 R)
• M61: 23,969,468 km (0.117 R)
• M62: 24,123,405 km (0.06 R)
• M63: 24,587,457 km (0.043 R)
• M64: 24,898,471 km (0.089 R)
• M65: 25,158,622 km (0.108 R)
• M66: 25,891,801 km (0.093 R)
• M67: 26,208,051 km (0.095 R)
• M68: 26,472,690 km (0.1 R)
• M69: 27,540,070 km (0.087 R)
• M70: 29,386,557 km (0.08 R)
• M71: 29,771,622 km (0.093 R)
• M72: 30,213,833 km (0.027 R)
• M73: 30,324,685 km (0.12 R)
• M74: 31,328,786 km (0.063 R)
• M75: 31,891,274 km (0.105 R)
• M76: 32,400,356 km (0.048 R)
• M77: 33,140,416 km (0.102 R)
• M78: 33,197,712 km (0.059 R)
• M79: 33,369,301 km (0.11 R)
• M80: 33,713,526 km (0.104 R)
• M81: 35,862,350 km (0.099 R)
• M82: 36,923,597 km (0.05 R)
• M83: 38,896,045 km (0.088 R)
• M84: 39,197,784 km (0.03 R)
• M85: 40,047,051 km (0.115 R)
• M86: 40,229,710 km (0.081 R)
• M87: 40,840,967 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.9

Radius: 7.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.06 AU - 9.7 AU

Year: 15663 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 18,820,003 km

• M1: 92,601 km (0.079 R)
• M2: 256,560 km (0.073 R)
• M3: 497,563 km (0.116 R)
• M4: 763,548 km (0.102 R)
• M5: 810,521 km (0.118 R)
• M6: 937,231 km (0.12 R)
• M7: 1,039,406 km (0.092 R)
• M8: 1,802,654 km (0.033 R)
• M9: 2,169,020 km (0.03 R)
• M10: 2,717,296 km (0.119 R)
• M11: 3,786,472 km (0.113 R)
• M12: 3,967,934 km (0.04 R)
• M13: 4,270,870 km (0.095 R)
• M14: 4,511,722 km (0.099 R)
• M15: 4,616,441 km (0.093 R)
• M16: 4,792,517 km (0.115 R)
• M17: 5,151,403 km (0.118 R)
• M18: 5,426,364 km (0.087 R)
• M19: 5,706,112 km (0.031 R)
• M20: 6,612,675 km (0.118 R)
• M21: 6,891,376 km (0.079 R)
• M22: 7,255,347 km (0.065 R)
• M23: 7,419,157 km (0.083 R)
• M24: 7,522,080 km (0.053 R)
• M25: 7,813,048 km (0.06 R)
• M26: 8,001,990 km (0.058 R)
• M27: 8,772,868 km (0.099 R)
• M28: 9,322,191 km (0.112 R)
• M29: 10,848,389 km (0.069 R)
• M30: 10,941,887 km (0.11 R)
• M31: 11,153,419 km (0.071 R)
• M32: 12,206,737 km (0.058 R)
• M33: 12,255,357 km (0.114 R)
• M34: 12,942,909 km (0.098 R)
• M35: 13,366,570 km (0.099 R)
• M36: 13,567,480 km (0.12 R)
• M37: 13,895,997 km (0.12 R)
• M38: 14,125,031 km (0.115 R)
• M39: 14,690,212 km (0.102 R)
• M40: 14,819,763 km (0.119 R)
• M41: 14,975,644 km (0.046 R)
• M42: 15,630,883 km (0.066 R)
• M43: 15,763,128 km (0.074 R)
• M44: 16,402,808 km (0.087 R)
• M45: 16,644,857 km (0.108 R)
• M46: 16,779,944 km (0.105 R)
• M47: 17,378,186 km (0.064 R)
• M48: 17,845,380 km (0.099 R)
• M49: 18,233,138 km (0.062 R)
• M50: 18,651,713 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 14,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit