🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.77 AU - 0.81 AU

Year: 254 Days

Day: 39.2 Hours

Environment

Temp: 190 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.25 AU - 1.89 AU

Year: 711 Days

Day: 32.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 8.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.74 AU - 9.84 AU

Year: 9425 Days

Day: 14.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 34,001,009 km

• M1: 138,976 km (0.08 R)
• M2: 344,823 km (0.119 R)
• M3: 458,667 km (0.04 R)
• M4: 611,556 km (0.045 R)
• M5: 681,269 km (0.113 R)
• M6: 781,649 km (0.097 R)
• M7: 1,123,929 km (0.102 R)
• M8: 1,199,925 km (0.076 R)
• M9: 1,521,710 km (0.103 R)
• M10: 2,451,760 km (0.116 R)
• M11: 2,508,607 km (0.108 R)
• M12: 3,040,427 km (0.092 R)
• M13: 3,225,480 km (0.099 R)
• M14: 3,319,278 km (0.062 R)
• M15: 3,525,872 km (0.065 R)
• M16: 3,769,567 km (0.12 R)
• M17: 3,935,022 km (0.084 R)
• M18: 4,119,925 km (0.057 R)
• M19: 4,221,951 km (0.068 R)
• M20: 4,833,806 km (0.112 R)
• M21: 4,977,570 km (0.038 R)
• M22: 5,141,080 km (0.08 R)
• M23: 5,755,628 km (0.103 R)
• M24: 5,908,069 km (0.115 R)
• M25: 6,354,020 km (0.061 R)
• M26: 6,432,559 km (0.098 R)
• M27: 6,931,617 km (0.113 R)
• M28: 6,992,354 km (0.106 R)
• M29: 7,609,296 km (0.11 R)
• M30: 7,797,789 km (0.064 R)
• M31: 8,179,413 km (0.103 R)
• M32: 8,458,712 km (0.113 R)
• M33: 8,675,779 km (0.104 R)
• M34: 8,741,303 km (0.116 R)
• M35: 9,115,597 km (0.054 R)
• M36: 9,405,218 km (0.038 R)
• M37: 9,585,035 km (0.026 R)
• M38: 10,292,483 km (0.12 R)
• M39: 11,325,307 km (0.117 R)
• M40: 11,612,684 km (0.118 R)
• M41: 11,684,940 km (0.067 R)
• M42: 12,121,467 km (0.073 R)
• M43: 12,317,141 km (0.108 R)
• M44: 12,489,178 km (0.099 R)
• M45: 13,513,325 km (0.105 R)
• M46: 13,564,039 km (0.117 R)
• M47: 13,716,330 km (0.098 R)
• M48: 13,894,650 km (0.096 R)
• M49: 14,150,911 km (0.098 R)
• M50: 14,305,446 km (0.077 R)
• M51: 16,122,013 km (0.106 R)
• M52: 16,283,429 km (0.07 R)
• M53: 16,364,212 km (0.111 R)
• M54: 17,317,898 km (0.081 R)
• M55: 17,731,985 km (0.079 R)
• M56: 17,926,462 km (0.063 R)
• M57: 18,037,913 km (0.069 R)
• M58: 18,177,488 km (0.041 R)
• M59: 18,824,199 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.3

Radius: 13.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.34 AU - 10.24 AU

Year: 10240 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 34,001,009 km

• M1: 182,509 km (0.11 R)
• M2: 284,386 km (0.064 R)
• M3: 406,607 km (0.103 R)
• M4: 610,359 km (0.038 R)
• M5: 836,402 km (0.047 R)
• M6: 935,136 km (0.058 R)
• M7: 1,038,508 km (0.034 R)
• M8: 1,201,271 km (0.03 R)
• M9: 1,373,308 km (0.06 R)
• M10: 1,553,873 km (0.039 R)
• M11: 1,807,292 km (0.118 R)
• M12: 2,029,146 km (0.118 R)
• M13: 2,143,588 km (0.089 R)
• M14: 2,673,314 km (0.118 R)
• M15: 2,927,481 km (0.102 R)
• M16: 3,570,303 km (0.113 R)
• M17: 3,737,852 km (0.077 R)
• M18: 4,081,030 km (0.097 R)
• M19: 4,404,760 km (0.039 R)
• M20: 4,524,438 km (0.109 R)
• M21: 5,298,009 km (0.119 R)
• M22: 6,620,155 km (0.11 R)
• M23: 7,353,783 km (0.113 R)
• M24: 7,568,156 km (0.055 R)
• M25: 7,820,827 km (0.108 R)
• M26: 8,003,187 km (0.099 R)
• M27: 8,334,845 km (0.102 R)
• M28: 8,483,695 km (0.094 R)
• M29: 9,434,091 km (0.036 R)
• M30: 9,745,404 km (0.095 R)
• M31: 10,060,158 km (0.117 R)
• M32: 10,338,410 km (0.109 R)
• M33: 11,270,255 km (0.064 R)
• M34: 12,483,494 km (0.093 R)
• M35: 12,611,250 km (0.07 R)
• M36: 13,781,853 km (0.112 R)
• M37: 14,179,784 km (0.088 R)
• M38: 14,313,225 km (0.099 R)
• M39: 14,536,575 km (0.078 R)
• M40: 14,851,329 km (0.105 R)
• M41: 14,941,686 km (0.12 R)
• M42: 15,762,978 km (0.099 R)
• M43: 16,132,634 km (0.101 R)
• M44: 17,164,261 km (0.072 R)
• M45: 17,306,529 km (0.065 R)
• M46: 19,736,148 km (0.032 R)
• M47: 20,034,745 km (0.079 R)
• M48: 21,244,543 km (0.074 R)
• M49: 22,115,801 km (0.12 R)
• M50: 22,841,949 km (0.087 R)
• M51: 23,208,015 km (0.099 R)
• M52: 24,371,288 km (0.109 R)
• M53: 24,691,727 km (0.082 R)
• M54: 24,959,956 km (0.103 R)
• M55: 25,553,261 km (0.106 R)
• M56: 25,716,024 km (0.098 R)
• M57: 27,583,304 km (0.063 R)
• M58: 29,835,650 km (0.062 R)
• M59: 30,064,086 km (0.095 R)
• M60: 30,752,984 km (0.062 R)
• M61: 31,331,030 km (0.082 R)
• M62: 33,027,769 km (0.113 R)
• M63: 33,501,097 km (0.099 R)
• M64: 33,738,658 km (0.109 R)
• M65: 34,155,587 km (0.042 R)
• M66: 34,574,312 km (0.107 R)
• M67: 34,694,289 km (0.069 R)
• M68: 34,994,682 km (0.066 R)
• M69: 35,175,396 km (0.103 R)
• M70: 35,356,410 km (0.104 R)
• M71: 35,779,921 km (0.067 R)
• M72: 36,266,114 km (0.075 R)
• M73: 36,815,587 km (0.099 R)
• M74: 37,984,695 km (0.104 R)
• M75: 38,729,243 km (0.05 R)
• M76: 39,541,410 km (0.049 R)
• M77: 41,246,227 km (0.092 R)
• M78: 42,139,626 km (0.083 R)
• M79: 42,974,831 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.9

Radius: 5.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 12.4 AU - 13.04 AU

Year: 16407 Days

Day: 20.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 34,001,009 km

• M1: 282,441 km (0.071 R)
• M2: 491,130 km (0.071 R)
• M3: 617,989 km (0.076 R)
• M4: 729,888 km (0.086 R)
• M5: 1,226,104 km (0.111 R)
• M6: 1,351,916 km (0.049 R)
• M7: 1,650,364 km (0.108 R)
• M8: 1,736,981 km (0.093 R)
• M9: 1,789,639 km (0.107 R)
• M10: 1,969,007 km (0.086 R)
• M11: 2,502,024 km (0.082 R)
• M12: 2,887,987 km (0.03 R)
• M13: 3,162,649 km (0.097 R)
• M14: 4,295,703 km (0.064 R)
• M15: 4,756,165 km (0.058 R)
• M16: 4,929,848 km (0.064 R)
• M17: 4,979,814 km (0.095 R)
• M18: 5,130,908 km (0.109 R)
• M19: 5,988,104 km (0.065 R)
• M20: 6,175,550 km (0.082 R)
• M21: 7,001,031 km (0.119 R)
• M22: 8,752,971 km (0.118 R)
• M23: 8,965,700 km (0.086 R)
• M24: 9,026,885 km (0.085 R)
• M25: 9,149,555 km (0.111 R)
• M26: 9,583,240 km (0.105 R)
• M27: 9,708,453 km (0.109 R)
• M28: 9,865,531 km (0.115 R)
• M29: 10,055,370 km (0.079 R)
• M30: 10,214,393 km (0.086 R)
• M31: 10,599,458 km (0.065 R)
• M32: 10,924,085 km (0.096 R)
• M33: 11,022,072 km (0.06 R)
• M34: 12,254,758 km (0.029 R)
• M35: 12,458,660 km (0.084 R)
• M36: 13,320,793 km (0.061 R)
• M37: 14,237,529 km (0.046 R)
• M38: 14,595,516 km (0.103 R)
• M39: 15,101,606 km (0.057 R)
• M40: 15,613,530 km (0.042 R)
• M41: 15,760,884 km (0.111 R)
• M42: 15,797,834 km (0.076 R)
• M43: 16,205,638 km (0.039 R)
• M44: 17,449,694 km (0.04 R)
• M45: 17,717,474 km (0.113 R)
• M46: 18,646,028 km (0.108 R)
• M47: 18,685,073 km (0.119 R)
• M48: 19,432,015 km (0.107 R)
• M49: 20,268,716 km (0.032 R)
• M50: 20,752,067 km (0.109 R)
• M51: 20,832,999 km (0.098 R)
• M52: 20,954,623 km (0.079 R)
• M53: 22,556,965 km (0.12 R)
• M54: 22,723,468 km (0.093 R)
• M55: 23,141,594 km (0.081 R)
• M56: 23,435,853 km (0.074 R)
• M57: 23,478,039 km (0.079 R)
• M58: 23,731,309 km (0.054 R)
• M59: 23,773,645 km (0.103 R)
• M60: 23,985,625 km (0.092 R)
• M61: 25,270,372 km (0.092 R)
• M62: 25,833,907 km (0.118 R)
• M63: 26,665,222 km (0.085 R)
• M64: 26,885,430 km (0.039 R)
• M65: 28,984,587 km (0.057 R)
• M66: 29,029,916 km (0.117 R)
• M67: 30,719,923 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.5

Radius: 6.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 10.39 AU - 16.91 AU

Year: 18238 Days

Day: 16.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 34,001,009 km

• M1: 107,561 km (0.045 R)
• M2: 259,552 km (0.056 R)
• M3: 606,919 km (0.057 R)
• M4: 684,709 km (0.087 R)
• M5: 766,091 km (0.05 R)
• M6: 1,139,786 km (0.117 R)
• M7: 1,204,562 km (0.063 R)
• M8: 1,546,393 km (0.119 R)
• M9: 1,691,503 km (0.047 R)
• M10: 2,193,254 km (0.094 R)
• M11: 2,335,971 km (0.088 R)
• M12: 2,936,756 km (0.112 R)
• M13: 3,026,515 km (0.074 R)
• M14: 3,071,693 km (0.053 R)
• M15: 3,117,021 km (0.075 R)
• M16: 3,347,402 km (0.105 R)
• M17: 3,535,596 km (0.112 R)
• M18: 3,800,235 km (0.079 R)
• M19: 4,221,652 km (0.108 R)
• M20: 4,373,943 km (0.119 R)
• M21: 5,135,545 km (0.082 R)
• M22: 5,189,550 km (0.092 R)
• M23: 5,380,287 km (0.102 R)
• M24: 5,684,420 km (0.108 R)
• M25: 5,768,344 km (0.116 R)
• M26: 5,880,991 km (0.111 R)
• M27: 5,965,963 km (0.114 R)
• M28: 6,251,845 km (0.114 R)
• M29: 6,659,798 km (0.099 R)
• M30: 7,166,636 km (0.115 R)
• M31: 7,778,940 km (0.111 R)
• M32: 8,091,300 km (0.065 R)
• M33: 9,118,289 km (0.079 R)
• M34: 9,713,839 km (0.112 R)
• M35: 10,287,846 km (0.091 R)
• M36: 10,977,342 km (0.055 R)
• M37: 11,327,551 km (0.107 R)
• M38: 11,824,066 km (0.093 R)
• M39: 12,582,228 km (0.089 R)
• M40: 12,655,232 km (0.061 R)
• M41: 12,985,544 km (0.116 R)
• M42: 13,281,598 km (0.084 R)
• M43: 14,145,077 km (0.114 R)
• M44: 14,220,923 km (0.078 R)
• M45: 14,373,214 km (0.1 R)
• M46: 17,084,226 km (0.092 R)
• M47: 17,816,807 km (0.088 R)
• M48: 18,726,063 km (0.078 R)
• M49: 18,851,276 km (0.079 R)
• M50: 19,102,451 km (0.096 R)
• M51: 19,270,450 km (0.068 R)
• M52: 20,118,071 km (0.113 R)
• M53: 20,246,277 km (0.048 R)
• M54: 20,374,781 km (0.078 R)
• M55: 20,417,716 km (0.03 R)
• M56: 21,281,643 km (0.087 R)
• M57: 21,499,608 km (0.059 R)
• M58: 21,762,002 km (0.117 R)
• M59: 23,448,419 km (0.09 R)
• M60: 23,673,414 km (0.058 R)
• M61: 23,763,622 km (0.065 R)
• M62: 24,443,843 km (0.082 R)
• M63: 24,855,088 km (0.097 R)
• M64: 24,992,718 km (0.117 R)
• M65: 25,084,571 km (0.088 R)
• M66: 25,962,860 km (0.056 R)
• M67: 26,055,910 km (0.034 R)
• M68: 26,195,634 km (0.097 R)
• M69: 26,382,332 km (0.103 R)
• M70: 26,898,146 km (0.077 R)
• M71: 27,133,763 km (0.092 R)
• M72: 27,322,705 km (0.107 R)
• M73: 28,082,811 km (0.063 R)
• M74: 28,705,587 km (0.106 R)
• M75: 28,801,779 km (0.042 R)
• M76: 29,284,382 km (0.092 R)
• M77: 29,623,819 km (0.039 R)
• M78: 29,915,834 km (0.029 R)
• M79: 30,404,720 km (0.047 R)
• M80: 30,502,707 km (0.083 R)
• M81: 30,748,346 km (0.108 R)
• M82: 31,043,952 km (0.111 R)
• M83: 31,638,154 km (0.092 R)
• M84: 31,737,487 km (0.074 R)
• M85: 32,136,166 km (0.039 R)
• M86: 32,286,063 km (0.077 R)
• M87: 32,787,365 km (0.113 R)
• M88: 32,938,160 km (0.117 R)
• M89: 33,442,903 km (0.083 R)
• M90: 33,594,745 km (0.06 R)
• M91: 33,797,749 km (0.041 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 15,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit