🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.49 AU - 0.77 AU

Year: 181 Days

Day: 44.2 Hours

Environment

Temp: 205 °C

Axial Tilt: 131.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.89 AU - 1.33 AU

Year: 423 Days

Day: 27.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.03 AU - 1.39 AU

Year: 481 Days

Day: 34.7 Hours

Environment

Temp: 3 °C

Axial Tilt: 24.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.47 AU - 1.99 AU

Year: 823 Days

Day: 14.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,450,572 km

• M1: 86,318 km (0.111 R)
• M2: 843,732 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.31 AU - 4.75 AU

Year: 2926 Days

Day: 22.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.77 AU - 5.67 AU

Year: 3709 Days

Day: 44 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 12.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.94 AU - 6.22 AU

Year: 4141 Days

Day: 8.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 115,450,572 km

• M1: 185,053 km (0.098 R)
• M2: 267,631 km (0.061 R)
• M3: 540,348 km (0.093 R)
• M4: 781,200 km (0.093 R)
• M5: 907,760 km (0.108 R)
• M6: 1,385,725 km (0.097 R)
• M7: 1,505,403 km (0.064 R)
• M8: 2,145,383 km (0.111 R)
• M9: 2,585,650 km (0.099 R)
• M10: 2,839,966 km (0.085 R)
• M11: 2,946,330 km (0.107 R)
• M12: 3,524,227 km (0.058 R)
• M13: 4,164,206 km (0.095 R)
• M14: 5,198,526 km (0.068 R)
• M15: 5,744,708 km (0.109 R)
• M16: 6,124,088 km (0.083 R)
• M17: 6,262,765 km (0.109 R)
• M18: 6,496,138 km (0.027 R)
• M19: 6,606,092 km (0.092 R)
• M20: 7,213,609 km (0.044 R)
• M21: 8,090,851 km (0.085 R)
• M22: 8,775,261 km (0.088 R)
• M23: 8,966,747 km (0.096 R)
• M24: 9,142,075 km (0.053 R)
• M25: 9,872,711 km (0.105 R)
• M26: 10,035,624 km (0.039 R)
• M27: 10,144,830 km (0.067 R)
• M28: 10,272,587 km (0.071 R)
• M29: 10,511,345 km (0.097 R)
• M30: 11,013,246 km (0.11 R)
• M31: 11,352,234 km (0.111 R)
• M32: 11,465,929 km (0.065 R)
• M33: 12,820,986 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.3

Radius: 9.3

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.15 AU - 11.63 AU

Year: 11248 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 115,450,572 km

• M1: 202,705 km (0.09 R)
• M2: 351,555 km (0.095 R)
• M3: 555,307 km (0.116 R)
• M4: 671,994 km (0.058 R)
• M5: 740,659 km (0.063 R)
• M6: 993,031 km (0.107 R)
• M7: 1,238,222 km (0.091 R)
• M8: 2,003,415 km (0.058 R)
• M9: 2,465,373 km (0.087 R)
• M10: 2,597,169 km (0.076 R)
• M11: 2,731,208 km (0.087 R)
• M12: 3,387,345 km (0.039 R)
• M13: 4,273,562 km (0.11 R)
• M14: 4,948,548 km (0.088 R)
• M15: 5,369,367 km (0.037 R)
• M16: 5,714,489 km (0.06 R)
• M17: 5,801,854 km (0.069 R)
• M18: 6,096,562 km (0.04 R)
• M19: 6,426,276 km (0.113 R)
• M20: 6,916,209 km (0.058 R)
• M21: 7,867,352 km (0.099 R)
• M22: 8,029,815 km (0.097 R)
• M23: 8,590,658 km (0.062 R)
• M24: 8,858,887 km (0.109 R)
• M25: 9,130,108 km (0.11 R)
• M26: 9,438,279 km (0.099 R)
• M27: 9,541,801 km (0.109 R)
• M28: 10,633,566 km (0.088 R)
• M29: 10,777,330 km (0.097 R)
• M30: 10,957,894 km (0.081 R)
• M31: 11,764,526 km (0.077 R)
• M32: 12,137,474 km (0.12 R)
• M33: 12,856,740 km (0.098 R)
• M34: 14,975,495 km (0.114 R)
• M35: 15,869,492 km (0.102 R)
• M36: 16,906,055 km (0.119 R)
• M37: 16,989,980 km (0.1 R)
• M38: 17,074,054 km (0.076 R)
• M39: 17,751,134 km (0.104 R)
• M40: 17,836,405 km (0.109 R)
• M41: 17,964,610 km (0.045 R)
• M42: 18,609,975 km (0.119 R)
• M43: 18,870,275 km (0.081 R)
• M44: 19,131,772 km (0.081 R)
• M45: 19,879,163 km (0.067 R)
• M46: 20,012,006 km (0.114 R)
• M47: 20,278,739 km (0.12 R)
• M48: 20,546,520 km (0.09 R)
• M49: 21,130,849 km (0.105 R)
• M50: 21,811,968 km (0.088 R)
• M51: 21,994,777 km (0.102 R)
• M52: 22,407,966 km (0.104 R)
• M53: 22,731,247 km (0.062 R)
• M54: 23,102,399 km (0.112 R)
• M55: 23,242,124 km (0.071 R)
• M56: 24,275,546 km (0.075 R)
• M57: 24,370,241 km (0.05 R)
• M58: 25,180,014 km (0.084 R)
• M59: 25,756,864 km (0.113 R)
• M60: 26,386,820 km (0.027 R)
• M61: 26,484,209 km (0.12 R)
• M62: 27,169,068 km (0.071 R)
• M63: 27,464,374 km (0.101 R)
• M64: 27,612,326 km (0.081 R)
• M65: 28,556,139 km (0.087 R)
• M66: 28,806,267 km (0.117 R)
• M67: 28,956,762 km (0.043 R)
• M68: 30,169,552 km (0.074 R)
• M69: 30,833,468 km (0.114 R)
• M70: 32,749,218 km (0.029 R)
• M71: 33,853,699 km (0.101 R)
• M72: 34,970,148 km (0.078 R)
• M73: 36,098,864 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.5

Radius: 7.8

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 13.8 AU - 20.4 AU

Year: 25573 Days

Day: 23.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 115,450,572 km

• M1: 272,867 km (0.114 R)
• M2: 1,041,650 km (0.087 R)
• M3: 1,832,424 km (0.076 R)
• M4: 2,856,571 km (0.115 R)
• M5: 3,401,556 km (0.099 R)
• M6: 3,495,504 km (0.086 R)
• M7: 3,590,349 km (0.098 R)
• M8: 3,978,256 km (0.045 R)
• M9: 4,027,623 km (0.077 R)
• M10: 5,383,878 km (0.104 R)
• M11: 5,493,683 km (0.076 R)
• M12: 5,940,083 km (0.089 R)
• M13: 6,514,688 km (0.091 R)
• M14: 7,227,372 km (0.093 R)
• M15: 7,531,505 km (0.072 R)
• M16: 7,839,976 km (0.088 R)
• M17: 8,405,755 km (0.062 R)
• M18: 8,661,268 km (0.11 R)
• M19: 9,180,223 km (0.071 R)
• M20: 9,443,515 km (0.083 R)
• M21: 10,112,666 km (0.08 R)
• M22: 10,796,927 km (0.101 R)
• M23: 12,065,966 km (0.102 R)
• M24: 12,864,519 km (0.113 R)
• M25: 13,085,326 km (0.04 R)
• M26: 13,456,029 km (0.117 R)
• M27: 15,283,218 km (0.06 R)
• M28: 15,752,057 km (0.098 R)
• M29: 16,146,397 km (0.104 R)
• M30: 16,944,801 km (0.093 R)
• M31: 17,919,731 km (0.049 R)
• M32: 18,083,989 km (0.049 R)
• M33: 18,166,268 km (0.045 R)
• M34: 18,496,879 km (0.119 R)
• M35: 19,500,382 km (0.109 R)
• M36: 20,008,715 km (0.113 R)
• M37: 20,693,275 km (0.076 R)
• M38: 20,865,612 km (0.086 R)
• M39: 24,684,845 km (0.077 R)
• M40: 24,776,100 km (0.11 R)
• M41: 25,050,911 km (0.064 R)
• M42: 25,881,180 km (0.04 R)
• M43: 25,973,930 km (0.091 R)
• M44: 26,252,930 km (0.057 R)
• M45: 26,346,279 km (0.114 R)
• M46: 27,284,707 km (0.106 R)
• M47: 28,809,109 km (0.111 R)
• M48: 29,097,983 km (0.058 R)
• M49: 32,039,226 km (0.059 R)
• M50: 33,443,950 km (0.1 R)
• M51: 33,848,912 km (0.111 R)
• M52: 34,255,668 km (0.056 R)
• M53: 34,868,571 km (0.087 R)
• M54: 34,971,195 km (0.054 R)
• M55: 35,382,140 km (0.027 R)
• M56: 36,520,879 km (0.102 R)
• M57: 37,671,736 km (0.034 R)
• M58: 37,882,220 km (0.06 R)
• M59: 38,410,151 km (0.053 R)
• M60: 41,086,307 km (0.086 R)
• M61: 41,955,321 km (0.107 R)
• M62: 45,603,565 km (0.052 R)
• M63: 46,728,989 km (0.103 R)
• M64: 47,749,696 km (0.111 R)
• M65: 48,892,474 km (0.087 R)
• M66: 49,697,609 km (0.068 R)
• M67: 51,204,808 km (0.065 R)
• M68: 52,022,510 km (0.103 R)
• M69: 53,198,050 km (0.111 R)
• M70: 53,670,779 km (0.079 R)
• M71: 55,695,287 km (0.054 R)
• M72: 56,175,347 km (0.12 R)
• M73: 58,473,918 km (0.114 R)
• M74: 61,421,146 km (0.077 R)
• M75: 61,917,063 km (0.1 R)
• M76: 65,678,252 km (0.036 R)
• M77: 67,331,010 km (0.118 R)
• M78: 67,842,186 km (0.102 R)
• M79: 68,483,212 km (0.082 R)
• M80: 70,158,858 km (0.052 R)
• M81: 70,417,962 km (0.097 R)
• M82: 71,066,917 km (0.103 R)
• M83: 71,587,368 km (0.115 R)
• M84: 76,329,022 km (0.087 R)
• M85: 78,334,531 km (0.083 R)
• M86: 78,603,209 km (0.102 R)
• M87: 79,951,385 km (0.12 R)
• M88: 80,221,858 km (0.074 R)
• M89: 81,715,294 km (0.072 R)
• M90: 83,766,580 km (0.103 R)
• M91: 85,696,243 km (0.118 R)
• M92: 88,618,188 km (0.082 R)
• M93: 88,758,212 km (0.058 R)
• M94: 91,289,857 km (0.113 R)
• M95: 91,997,305 km (0.045 R)
• M96: 92,280,943 km (0.041 R)
• M97: 93,133,052 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.5

Radius: 4.8

Gravity: 41.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 15.18 AU - 24.34 AU

Year: 31767 Days

Day: 16.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 115,450,572 km

• M1: 100,530 km (0.053 R)
• M2: 386,112 km (0.086 R)
• M3: 600,336 km (0.069 R)
• M4: 914,492 km (0.046 R)
• M5: 1,841,101 km (0.095 R)
• M6: 3,279,634 km (0.057 R)
• M7: 4,326,969 km (0.061 R)
• M8: 4,677,626 km (0.113 R)
• M9: 5,159,331 km (0.051 R)
• M10: 6,169,117 km (0.104 R)
• M11: 6,629,729 km (0.102 R)
• M12: 6,763,320 km (0.1 R)
• M13: 7,444,738 km (0.102 R)
• M14: 8,005,431 km (0.084 R)
• M15: 9,767,544 km (0.111 R)
• M16: 11,005,915 km (0.116 R)
• M17: 11,323,212 km (0.045 R)
• M18: 11,966,782 km (0.05 R)
• M19: 12,293,055 km (0.117 R)
• M20: 14,397,149 km (0.098 R)
• M21: 16,158,664 km (0.096 R)
• M22: 16,882,269 km (0.058 R)
• M23: 17,523,895 km (0.115 R)
• M24: 18,736,685 km (0.071 R)
• M25: 19,305,456 km (0.075 R)
• M26: 21,045,728 km (0.026 R)
• M27: 21,439,170 km (0.049 R)
• M28: 22,033,971 km (0.072 R)
• M29: 23,138,303 km (0.071 R)
• M30: 23,442,734 km (0.105 R)
• M31: 24,363,659 km (0.117 R)
• M32: 24,569,805 km (0.075 R)
• M33: 24,984,191 km (0.044 R)
• M34: 27,732,453 km (0.082 R)
• M35: 31,917,753 km (0.069 R)
• M36: 32,823,718 km (0.095 R)
• M37: 33,967,842 km (0.051 R)
• M38: 34,083,032 km (0.108 R)
• M39: 37,240,445 km (0.105 R)
• M40: 37,835,396 km (0.098 R)
• M41: 38,313,511 km (0.1 R)
• M42: 38,433,339 km (0.105 R)
• M43: 39,155,148 km (0.082 R)
• M44: 40,856,525 km (0.114 R)
• M45: 40,979,046 km (0.056 R)
• M46: 42,457,970 km (0.038 R)
• M47: 42,581,987 km (0.062 R)
• M48: 43,203,865 km (0.076 R)
• M49: 45,848,755 km (0.106 R)
• M50: 45,976,063 km (0.08 R)
• M51: 49,586,458 km (0.115 R)
• M52: 52,087,735 km (0.045 R)
• M53: 52,486,413 km (0.113 R)
• M54: 52,752,697 km (0.085 R)
• M55: 53,019,580 km (0.102 R)
• M56: 55,170,049 km (0.093 R)
• M57: 56,392,264 km (0.104 R)
• M58: 57,760,486 km (0.047 R)
• M59: 60,390,416 km (0.086 R)
• M60: 60,669,566 km (0.115 R)
• M61: 61,930,676 km (0.097 R)
• M62: 63,483,951 km (0.118 R)
• M63: 65,049,941 km (0.045 R)
• M64: 66,772,710 km (0.104 R)
• M65: 67,205,796 km (0.116 R)
• M66: 67,350,308 km (0.068 R)
• M67: 68,947,265 km (0.095 R)
• M68: 69,530,996 km (0.065 R)
• M69: 70,997,653 km (0.115 R)
• M70: 71,734,872 km (0.07 R)
• M71: 73,068,088 km (0.079 R)
• M72: 74,858,475 km (0.108 R)
• M73: 75,308,316 km (0.093 R)
• M74: 80,315,357 km (0.05 R)
• M75: 85,272,432 km (0.102 R)
• M76: 89,690,356 km (0.032 R)
• M77: 90,806,356 km (0.115 R)
• M78: 91,926,994 km (0.098 R)
• M79: 92,248,031 km (0.075 R)
• M80: 92,408,699 km (0.116 R)
• M81: 92,569,517 km (0.088 R)
• M82: 94,343,897 km (0.065 R)
• M83: 96,129,348 km (0.105 R)
• M84: 99,239,637 km (0.116 R)
• M85: 100,393,934 km (0.102 R)
• M86: 102,549,191 km (0.112 R)
• M87: 103,215,500 km (0.025 R)
• M88: 107,919,156 km (0.111 R)
• M89: 108,427,340 km (0.072 R)
• M90: 109,786,137 km (0.083 R)
• M91: 110,467,705 km (0.102 R)
• M92: 112,863,964 km (0.044 R)
• M93: 113,035,852 km (0.063 R)
• M94: 113,207,740 km (0.102 R)
• M95: 113,896,339 km (0.116 R)
• M96: 114,586,284 km (0.08 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 15,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit