🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.45 AU - 0.61 AU

Year: 137 Days

Day: 47.3 Hours

Environment

Temp: 206 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.66 AU - 0.88 AU

Year: 240 Days

Day: 47.5 Hours

Environment

Temp: 204 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,959,406 km

• M1: 90,357 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.3 AU - 2.08 AU

Year: 779 Days

Day: 34.1 Hours

Environment

Temp: -36 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.35 AU - 2.79 AU

Year: 1462 Days

Day: 31 Hours

Environment

Temp: -85 °C

Axial Tilt: 117.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.34 AU - 5.04 AU

Year: 3603 Days

Day: 41.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,959,406 km

• M1: 1,240,316 km (0.106 R)
• M2: 1,403,677 km (0.117 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 9.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.18 AU - 5.62 AU

Year: 4452 Days

Day: 5.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 68,959,406 km

• M1: 115,190 km (0.075 R)
• M2: 183,407 km (0.1 R)
• M3: 250,277 km (0.079 R)
• M4: 352,901 km (0.077 R)
• M5: 455,974 km (0.106 R)
• M6: 810,072 km (0.109 R)
• M7: 1,080,545 km (0.098 R)
• M8: 1,201,720 km (0.119 R)
• M9: 1,314,816 km (0.111 R)
• M10: 1,689,708 km (0.085 R)
• M11: 2,203,577 km (0.041 R)
• M12: 2,327,593 km (0.041 R)
• M13: 2,422,289 km (0.049 R)
• M14: 2,631,726 km (0.102 R)
• M15: 2,730,460 km (0.094 R)
• M16: 2,796,882 km (0.03 R)
• M17: 2,880,806 km (0.103 R)
• M18: 3,402,005 km (0.039 R)
• M19: 3,692,075 km (0.078 R)
• M20: 3,840,028 km (0.106 R)
• M21: 3,933,526 km (0.113 R)
• M22: 4,008,924 km (0.078 R)
• M23: 4,199,511 km (0.096 R)
• M24: 4,451,733 km (0.085 R)
• M25: 4,550,169 km (0.092 R)
• M26: 4,688,996 km (0.114 R)
• M27: 4,889,906 km (0.035 R)
• M28: 5,032,323 km (0.079 R)
• M29: 5,217,375 km (0.088 R)
• M30: 5,551,876 km (0.049 R)
• M31: 5,615,455 km (0.062 R)
• M32: 5,764,604 km (0.102 R)
• M33: 6,154,157 km (0.043 R)
• M34: 7,027,360 km (0.1 R)
• M35: 7,350,342 km (0.047 R)
• M36: 7,560,527 km (0.103 R)
• M37: 7,843,865 km (0.071 R)
• M38: 8,010,667 km (0.07 R)
• M39: 8,082,623 km (0.042 R)
• M40: 8,154,730 km (0.115 R)
• M41: 8,616,389 km (0.114 R)
• M42: 9,590,570 km (0.11 R)
• M43: 9,769,190 km (0.089 R)
• M44: 9,948,857 km (0.119 R)
• M45: 10,051,930 km (0.059 R)
• M46: 10,415,901 km (0.102 R)
• M47: 10,810,541 km (0.082 R)
• M48: 10,996,341 km (0.043 R)
• M49: 11,398,161 km (0.107 R)
• M50: 11,804,918 km (0.114 R)
• M51: 11,941,500 km (0.059 R)
• M52: 12,106,208 km (0.084 R)
• M53: 12,271,513 km (0.064 R)
• M54: 12,688,443 km (0.105 R)
• M55: 12,968,789 km (0.097 R)
• M56: 13,081,586 km (0.094 R)
• M57: 13,851,267 km (0.071 R)
• M58: 13,908,862 km (0.098 R)
• M59: 14,111,118 km (0.079 R)
• M60: 14,343,294 km (0.077 R)
• M61: 14,811,835 km (0.097 R)
• M62: 14,929,718 km (0.098 R)
• M63: 15,018,280 km (0.09 R)
• M64: 15,314,932 km (0.11 R)
• M65: 15,613,679 km (0.116 R)
• M66: 16,004,728 km (0.118 R)
• M67: 17,259,256 km (0.119 R)
• M68: 17,819,949 km (0.113 R)
• M69: 17,945,461 km (0.071 R)
• M70: 18,071,124 km (0.081 R)
• M71: 18,134,104 km (0.106 R)
• M72: 19,312,188 km (0.101 R)
• M73: 19,731,959 km (0.073 R)
• M74: 19,991,811 km (0.061 R)
• M75: 20,056,886 km (0.092 R)
• M76: 20,778,097 km (0.046 R)
• M77: 21,909,356 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.7

Radius: 11.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.55 AU - 6.09 AU

Year: 4981 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 68,959,406 km

• M1: 146,456 km (0.098 R)
• M2: 330,013 km (0.105 R)
• M3: 451,187 km (0.05 R)
• M4: 580,589 km (0.112 R)
• M5: 712,684 km (0.102 R)
• M6: 819,348 km (0.098 R)
• M7: 1,420,881 km (0.056 R)
• M8: 1,574,368 km (0.095 R)
• M9: 1,881,792 km (0.081 R)
• M10: 2,190,861 km (0.035 R)
• M11: 2,479,286 km (0.091 R)
• M12: 3,213,362 km (0.059 R)
• M13: 3,294,444 km (0.117 R)
• M14: 3,816,840 km (0.101 R)
• M15: 3,902,859 km (0.084 R)
• M16: 4,033,308 km (0.115 R)
• M17: 4,253,666 km (0.071 R)
• M18: 4,962,311 km (0.112 R)
• M19: 5,127,467 km (0.068 R)
• M20: 5,707,458 km (0.096 R)
• M21: 5,831,026 km (0.103 R)
• M22: 6,257,679 km (0.069 R)
• M23: 6,564,953 km (0.099 R)
• M24: 6,877,164 km (0.106 R)
• M25: 7,220,940 km (0.092 R)
• M26: 7,408,386 km (0.108 R)
• M27: 7,898,020 km (0.118 R)
• M28: 8,202,302 km (0.1 R)
• M29: 8,482,349 km (0.077 R)
• M30: 8,567,021 km (0.1 R)
• M31: 8,937,126 km (0.088 R)
• M32: 10,228,156 km (0.06 R)
• M33: 10,712,105 km (0.086 R)
• M34: 10,834,177 km (0.116 R)
• M35: 11,670,878 km (0.09 R)
• M36: 11,796,690 km (0.067 R)
• M37: 12,240,247 km (0.057 R)
• M38: 12,400,018 km (0.116 R)
• M39: 12,560,536 km (0.033 R)
• M40: 12,851,055 km (0.098 R)
• M41: 13,703,015 km (0.027 R)
• M42: 14,573,226 km (0.116 R)
• M43: 14,674,803 km (0.056 R)
• M44: 14,810,638 km (0.078 R)
• M45: 15,564,910 km (0.068 R)
• M46: 15,703,438 km (0.097 R)
• M47: 16,191,426 km (0.074 R)
• M48: 16,331,749 km (0.117 R)
• M49: 16,755,261 km (0.102 R)
• M50: 17,433,089 km (0.059 R)
• M51: 17,540,949 km (0.068 R)
• M52: 17,757,417 km (0.088 R)
• M53: 18,010,985 km (0.059 R)
• M54: 18,265,750 km (0.09 R)
• M55: 18,963,325 km (0.113 R)
• M56: 19,148,378 km (0.12 R)
• M57: 19,259,679 km (0.106 R)
• M58: 19,371,279 km (0.085 R)
• M59: 19,857,023 km (0.12 R)
• M60: 20,612,193 km (0.11 R)
• M61: 20,688,189 km (0.056 R)
• M62: 21,108,110 km (0.117 R)
• M63: 21,530,724 km (0.032 R)
• M64: 22,776,276 km (0.08 R)
• M65: 22,972,997 km (0.093 R)
• M66: 23,249,454 km (0.093 R)
• M67: 23,646,187 km (0.079 R)
• M68: 24,365,903 km (0.119 R)
• M69: 25,296,102 km (0.113 R)
• M70: 25,663,365 km (0.086 R)
• M71: 25,950,144 km (0.116 R)
• M72: 26,032,273 km (0.084 R)
• M73: 26,114,552 km (0.111 R)
• M74: 26,733,887 km (0.088 R)
• M75: 26,816,914 km (0.102 R)
• M76: 27,149,620 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.3

Radius: 10.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.71 AU - 7.45 AU

Year: 5988 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 68,959,406 km

• M1: 230,082 km (0.055 R)
• M2: 309,219 km (0.113 R)
• M3: 485,445 km (0.101 R)
• M4: 744,997 km (0.064 R)
• M5: 891,753 km (0.088 R)
• M6: 995,125 km (0.077 R)
• M7: 1,081,144 km (0.078 R)
• M8: 1,158,486 km (0.062 R)
• M9: 1,295,817 km (0.102 R)
• M10: 1,438,683 km (0.043 R)
• M11: 1,872,666 km (0.119 R)
• M12: 2,035,429 km (0.08 R)
• M13: 2,132,667 km (0.106 R)
• M14: 2,433,658 km (0.049 R)
• M15: 2,611,979 km (0.077 R)
• M16: 2,887,538 km (0.093 R)
• M17: 3,124,352 km (0.095 R)
• M18: 3,483,536 km (0.074 R)
• M19: 3,600,522 km (0.108 R)
• M20: 4,099,580 km (0.115 R)
• M21: 4,259,051 km (0.101 R)
• M22: 4,529,225 km (0.067 R)
• M23: 4,638,880 km (0.111 R)
• M24: 4,767,983 km (0.103 R)
• M25: 5,258,066 km (0.11 R)
• M26: 5,431,450 km (0.1 R)
• M27: 5,923,178 km (0.091 R)
• M28: 6,063,501 km (0.069 R)
• M29: 6,802,215 km (0.065 R)
• M30: 6,970,363 km (0.109 R)
• M31: 7,118,465 km (0.115 R)
• M32: 7,310,549 km (0.099 R)
• M33: 7,787,317 km (0.066 R)
• M34: 8,184,948 km (0.103 R)
• M35: 8,341,428 km (0.071 R)
• M36: 8,566,722 km (0.036 R)
• M37: 8,634,639 km (0.114 R)
• M38: 8,793,961 km (0.097 R)
• M39: 9,069,221 km (0.079 R)
• M40: 9,699,178 km (0.109 R)
• M41: 9,936,141 km (0.102 R)
• M42: 10,415,752 km (0.034 R)
• M43: 10,512,542 km (0.117 R)
• M44: 10,927,376 km (0.046 R)
• M45: 11,001,128 km (0.07 R)
• M46: 11,273,097 km (0.039 R)
• M47: 12,588,511 km (0.086 R)
• M48: 12,691,734 km (0.108 R)
• M49: 12,769,375 km (0.084 R)
• M50: 13,003,047 km (0.111 R)
• M51: 13,107,466 km (0.112 R)
• M52: 13,369,412 km (0.114 R)
• M53: 13,633,303 km (0.105 R)
• M54: 13,978,724 km (0.107 R)
• M55: 14,327,138 km (0.117 R)
• M56: 14,407,921 km (0.096 R)
• M57: 14,896,058 km (0.063 R)
• M58: 15,005,265 km (0.104 R)
• M59: 15,472,309 km (0.056 R)
• M60: 16,111,990 km (0.05 R)
• M61: 16,195,914 km (0.096 R)
• M62: 16,760,197 km (0.06 R)
• M63: 17,101,729 km (0.094 R)
• M64: 17,560,845 km (0.075 R)
• M65: 17,762,952 km (0.099 R)
• M66: 18,111,216 km (0.054 R)
• M67: 18,198,581 km (0.103 R)
• M68: 18,373,910 km (0.109 R)
• M69: 18,932,658 km (0.035 R)
• M70: 19,706,228 km (0.032 R)
• M71: 19,946,333 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.4

Radius: 6.3

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 15.56 AU - 20.08 AU

Year: 26687 Days

Day: 19 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 68,959,406 km

• M1: 118,631 km (0.054 R)
• M2: 180,415 km (0.092 R)
• M3: 244,742 km (0.059 R)
• M4: 287,976 km (0.093 R)
• M5: 436,227 km (0.096 R)
• M6: 510,129 km (0.098 R)
• M7: 671,246 km (0.11 R)
• M8: 1,040,453 km (0.072 R)
• M9: 1,116,150 km (0.087 R)
• M10: 1,167,611 km (0.104 R)
• M11: 1,521,560 km (0.041 R)
• M12: 1,578,856 km (0.062 R)
• M13: 2,455,499 km (0.043 R)
• M14: 2,799,724 km (0.048 R)
• M15: 3,122,556 km (0.1 R)
• M16: 3,232,660 km (0.049 R)
• M17: 3,764,182 km (0.105 R)
• M18: 3,842,272 km (0.119 R)
• M19: 3,960,604 km (0.103 R)
• M20: 4,486,739 km (0.109 R)
• M21: 5,294,867 km (0.1 R)
• M22: 5,603,787 km (0.076 R)
• M23: 5,873,362 km (0.117 R)
• M24: 6,425,079 km (0.071 R)
• M25: 8,278,447 km (0.042 R)
• M26: 8,329,460 km (0.119 R)
• M27: 8,380,323 km (0.032 R)
• M28: 8,482,648 km (0.078 R)
• M29: 11,795,044 km (0.117 R)
• M30: 12,140,316 km (0.076 R)
• M31: 12,664,208 km (0.115 R)
• M32: 12,958,467 km (0.089 R)
• M33: 13,136,189 km (0.032 R)
• M34: 13,374,349 km (0.114 R)
• M35: 13,734,132 km (0.113 R)
• M36: 13,915,295 km (0.102 R)
• M37: 14,280,014 km (0.09 R)
• M38: 14,524,756 km (0.102 R)
• M39: 14,956,646 km (0.031 R)
• M40: 15,769,860 km (0.102 R)
• M41: 16,022,830 km (0.055 R)
• M42: 17,243,249 km (0.068 R)
• M43: 17,373,549 km (0.086 R)
• M44: 18,426,867 km (0.114 R)
• M45: 19,772,351 km (0.107 R)
• M46: 21,498,261 km (0.101 R)
• M47: 22,414,698 km (0.101 R)
• M48: 22,628,024 km (0.067 R)
• M49: 23,704,531 km (0.053 R)
• M50: 23,776,936 km (0.054 R)
• M51: 24,651,036 km (0.099 R)
• M52: 26,505,452 km (0.083 R)
• M53: 28,250,959 km (0.055 R)
• M54: 28,789,512 km (0.075 R)
• M55: 29,176,372 km (0.051 R)
• M56: 30,898,393 km (0.104 R)
• M57: 32,492,358 km (0.118 R)
• M58: 33,218,357 km (0.067 R)
• M59: 33,380,371 km (0.104 R)
• M60: 34,358,293 km (0.077 R)
• M61: 34,440,123 km (0.099 R)
• M62: 34,522,102 km (0.077 R)
• M63: 34,604,082 km (0.117 R)
• M64: 35,345,489 km (0.108 R)
• M65: 35,925,629 km (0.05 R)
• M66: 36,508,912 km (0.12 R)
• M67: 36,592,537 km (0.095 R)
• M68: 37,179,409 km (0.106 R)
• M69: 39,901,791 km (0.116 R)
• M70: 40,332,932 km (0.114 R)
• M71: 40,505,867 km (0.058 R)
• M72: 41,286,918 km (0.079 R)
• M73: 41,985,390 km (0.08 R)
• M74: 42,336,048 km (0.081 R)
• M75: 42,952,092 km (0.096 R)
• M76: 43,482,416 km (0.088 R)
• M77: 43,926,124 km (0.054 R)
• M78: 46,347,664 km (0.095 R)
• M79: 48,536,281 km (0.091 R)
• M80: 48,812,140 km (0.119 R)
• M81: 49,180,898 km (0.074 R)
• M82: 52,635,263 km (0.064 R)
• M83: 54,343,820 km (0.093 R)
• M84: 54,534,707 km (0.075 R)
• M85: 56,359,951 km (0.112 R)
• M86: 57,523,074 km (0.117 R)
• M87: 58,302,928 km (0.094 R)
• M88: 58,498,452 km (0.117 R)
• M89: 60,070,127 km (0.118 R)
• M90: 60,663,133 km (0.082 R)
• M91: 60,960,384 km (0.046 R)
• M92: 62,054,394 km (0.117 R)
• M93: 65,070,735 km (0.064 R)
• M94: 68,856,160 km (0.115 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 15,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit