🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.54 AU - 0.7 AU

Year: 183 Days

Day: 44 Hours

Environment

Temp: 154 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.91 AU - 1.29 AU

Year: 432 Days

Day: 28.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 112,626,620 km

• M1: 250,726 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.1 AU - 1.22 AU

Year: 468 Days

Day: 43.6 Hours

Environment

Temp: -16 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 112,626,620 km

• M1: 88,861 km (0.114 R)
• M2: 478,564 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.61 AU - 2.01 AU

Year: 913 Days

Day: 32.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.04 AU - 2.44 AU

Year: 1256 Days

Day: 39.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.1

Radius: 11.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.36 AU - 10.46 AU

Year: 10817 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 119.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 112,626,620 km

• M1: 186,848 km (0.082 R)
• M2: 341,981 km (0.098 R)
• M3: 482,304 km (0.096 R)
• M4: 645,964 km (0.108 R)
• M5: 772,673 km (0.109 R)
• M6: 849,267 km (0.047 R)
• M7: 1,074,562 km (0.117 R)
• M8: 1,228,348 km (0.048 R)
• M9: 1,366,277 km (0.088 R)
• M10: 1,485,507 km (0.118 R)
• M11: 1,608,177 km (0.048 R)
• M12: 1,683,574 km (0.081 R)
• M13: 1,811,929 km (0.1 R)
• M14: 2,051,585 km (0.067 R)
• M15: 2,273,289 km (0.089 R)
• M16: 2,620,955 km (0.056 R)
• M17: 2,710,564 km (0.053 R)
• M18: 4,210,133 km (0.093 R)
• M19: 4,351,054 km (0.057 R)
• M20: 5,267,191 km (0.118 R)
• M21: 5,457,630 km (0.074 R)
• M22: 6,402,789 km (0.09 R)
• M23: 6,524,562 km (0.08 R)
• M24: 7,568,904 km (0.087 R)
• M25: 8,397,078 km (0.045 R)
• M26: 8,530,519 km (0.119 R)
• M27: 9,299,901 km (0.108 R)
• M28: 9,484,206 km (0.054 R)
• M29: 10,091,573 km (0.115 R)
• M30: 11,343,857 km (0.111 R)
• M31: 11,491,510 km (0.063 R)
• M32: 13,364,625 km (0.072 R)
• M33: 14,150,762 km (0.118 R)
• M34: 15,330,790 km (0.089 R)
• M35: 16,208,780 km (0.084 R)
• M36: 16,598,033 km (0.077 R)
• M37: 16,990,429 km (0.047 R)
• M38: 17,613,205 km (0.075 R)
• M39: 17,784,344 km (0.065 R)
• M40: 18,358,800 km (0.04 R)
• M41: 19,290,645 km (0.119 R)
• M42: 19,408,229 km (0.119 R)
• M43: 21,139,526 km (0.066 R)
• M44: 22,733,640 km (0.104 R)
• M45: 24,239,044 km (0.08 R)
• M46: 25,196,321 km (0.11 R)
• M47: 25,647,209 km (0.062 R)
• M48: 26,100,939 km (0.113 R)
• M49: 29,147,200 km (0.071 R)
• M50: 30,712,144 km (0.075 R)
• M51: 31,332,077 km (0.096 R)
• M52: 32,234,601 km (0.101 R)
• M53: 33,852,203 km (0.111 R)
• M54: 34,635,198 km (0.096 R)
• M55: 34,778,214 km (0.026 R)
• M56: 35,136,650 km (0.106 R)
• M57: 36,436,955 km (0.087 R)
• M58: 36,946,785 km (0.11 R)
• M59: 38,416,733 km (0.111 R)
• M60: 38,713,087 km (0.106 R)
• M61: 38,861,488 km (0.099 R)
• M62: 39,084,538 km (0.1 R)
• M63: 39,905,830 km (0.057 R)
• M64: 40,506,615 km (0.114 R)
• M65: 41,034,846 km (0.111 R)
• M66: 42,327,222 km (0.111 R)
• M67: 44,019,473 km (0.081 R)
• M68: 44,873,826 km (0.11 R)
• M69: 46,994,226 km (0.075 R)
• M70: 47,628,671 km (0.07 R)
• M71: 47,947,015 km (0.072 R)
• M72: 48,986,421 km (0.093 R)
• M73: 49,066,606 km (0.103 R)
• M74: 51,006,142 km (0.119 R)
• M75: 51,331,817 km (0.113 R)
• M76: 51,413,198 km (0.085 R)
• M77: 51,985,110 km (0.117 R)
• M78: 52,067,090 km (0.049 R)
• M79: 52,641,396 km (0.112 R)
• M80: 53,052,790 km (0.04 R)
• M81: 54,127,801 km (0.051 R)
• M82: 54,626,261 km (0.085 R)
• M83: 54,792,763 km (0.078 R)
• M84: 55,879,293 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 5.3

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 11.54 AU - 12.96 AU

Year: 16067 Days

Day: 24.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 112,626,620 km

• M1: 122,820 km (0.078 R)
• M2: 277,654 km (0.093 R)
• M3: 840,890 km (0.047 R)
• M4: 1,166,115 km (0.088 R)
• M5: 1,259,016 km (0.07 R)
• M6: 2,492,600 km (0.089 R)
• M7: 3,080,968 km (0.106 R)
• M8: 3,210,221 km (0.08 R)
• M9: 5,083,036 km (0.092 R)
• M10: 5,121,184 km (0.091 R)
• M11: 5,942,177 km (0.04 R)
• M12: 6,347,288 km (0.077 R)
• M13: 6,553,284 km (0.071 R)
• M14: 6,594,723 km (0.114 R)
• M15: 6,929,373 km (0.097 R)
• M16: 7,441,896 km (0.064 R)
• M17: 8,055,247 km (0.083 R)
• M18: 8,099,678 km (0.045 R)
• M19: 8,867,264 km (0.075 R)
• M20: 8,913,191 km (0.072 R)
• M21: 9,051,270 km (0.107 R)
• M22: 9,376,346 km (0.095 R)
• M23: 9,752,435 km (0.108 R)
• M24: 9,990,146 km (0.1 R)
• M25: 10,085,739 km (0.084 R)
• M26: 10,665,580 km (0.107 R)
• M27: 11,555,388 km (0.088 R)
• M28: 12,059,982 km (0.05 R)
• M29: 13,510,782 km (0.084 R)
• M30: 13,828,827 km (0.116 R)
• M31: 14,256,677 km (0.072 R)
• M32: 14,310,532 km (0.08 R)
• M33: 14,634,561 km (0.104 R)
• M34: 15,125,392 km (0.119 R)
• M35: 15,566,107 km (0.117 R)
• M36: 15,676,959 km (0.083 R)
• M37: 16,347,607 km (0.081 R)
• M38: 17,027,529 km (0.057 R)
• M39: 17,141,672 km (0.073 R)
• M40: 18,473,392 km (0.075 R)
• M41: 18,944,326 km (0.056 R)
• M42: 19,240,680 km (0.117 R)
• M43: 19,958,301 km (0.045 R)
• M44: 20,320,328 km (0.03 R)
• M45: 20,745,335 km (0.063 R)
• M46: 21,296,304 km (0.071 R)
• M47: 21,481,057 km (0.061 R)
• M48: 22,287,540 km (0.075 R)
• M49: 22,537,667 km (0.119 R)
• M50: 22,788,692 km (0.045 R)
• M51: 24,186,086 km (0.11 R)
• M52: 26,135,945 km (0.111 R)
• M53: 26,267,741 km (0.09 R)
• M54: 26,532,080 km (0.104 R)
• M55: 28,338,474 km (0.101 R)
• M56: 28,745,231 km (0.091 R)
• M57: 29,085,716 km (0.12 R)
• M58: 30,877,599 km (0.118 R)
• M59: 31,016,875 km (0.097 R)
• M60: 31,646,382 km (0.058 R)
• M61: 32,138,859 km (0.1 R)
• M62: 32,563,118 km (0.082 R)
• M63: 33,274,157 km (0.073 R)
• M64: 34,711,643 km (0.073 R)
• M65: 36,169,324 km (0.047 R)
• M66: 37,349,652 km (0.116 R)
• M67: 38,093,901 km (0.109 R)
• M68: 38,318,148 km (0.031 R)
• M69: 39,672,458 km (0.077 R)
• M70: 40,203,530 km (0.119 R)
• M71: 41,195,813 km (0.111 R)
• M72: 41,502,638 km (0.099 R)
• M73: 41,964,447 km (0.049 R)
• M74: 42,428,051 km (0.117 R)
• M75: 42,582,884 km (0.102 R)
• M76: 44,142,143 km (0.109 R)
• M77: 47,316,161 km (0.086 R)
• M78: 47,557,163 km (0.04 R)
• M79: 48,606,293 km (0.1 R)
• M80: 48,849,390 km (0.052 R)
• M81: 49,011,703 km (0.071 R)
• M82: 51,220,815 km (0.076 R)
• M83: 51,303,243 km (0.071 R)
• M84: 51,385,821 km (0.104 R)
• M85: 52,711,558 km (0.077 R)
• M86: 53,211,663 km (0.078 R)
• M87: 54,048,514 km (0.119 R)
• M88: 54,132,438 km (0.11 R)
• M89: 54,721,256 km (0.082 R)
• M90: 54,974,226 km (0.028 R)
• M91: 56,585,395 km (0.114 R)
• M92: 57,011,898 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.4

Radius: 4

Gravity: 53.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 15.87 AU - 23.13 AU

Year: 32269 Days

Day: 19.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 112,626,620 km

• M1: 68,217 km (0.089 R)
• M2: 130,300 km (0.113 R)
• M3: 521,648 km (0.119 R)
• M4: 1,423,424 km (0.059 R)
• M5: 1,829,881 km (0.105 R)
• M6: 2,134,762 km (0.1 R)
• M7: 2,549,447 km (0.03 R)
• M8: 2,741,680 km (0.049 R)
• M9: 2,888,884 km (0.117 R)
• M10: 4,555,106 km (0.032 R)
• M11: 5,024,992 km (0.093 R)
• M12: 6,010,244 km (0.095 R)
• M13: 6,330,084 km (0.082 R)
• M14: 8,504,041 km (0.112 R)
• M15: 8,862,776 km (0.068 R)
• M16: 9,594,908 km (0.086 R)
• M17: 9,893,206 km (0.049 R)
• M18: 10,270,343 km (0.087 R)
• M19: 10,575,373 km (0.064 R)
• M20: 11,038,677 km (0.091 R)
• M21: 11,272,648 km (0.078 R)
• M22: 11,984,734 km (0.111 R)
• M23: 12,064,769 km (0.117 R)
• M24: 12,956,522 km (0.04 R)
• M25: 13,451,841 km (0.049 R)
• M26: 14,037,516 km (0.098 R)
• M27: 14,291,085 km (0.025 R)
• M28: 14,888,578 km (0.077 R)
• M29: 15,581,366 km (0.043 R)
• M30: 15,931,724 km (0.042 R)
• M31: 19,480,635 km (0.094 R)
• M32: 19,952,616 km (0.101 R)
• M33: 21,391,000 km (0.118 R)
• M34: 21,488,089 km (0.07 R)
• M35: 25,079,036 km (0.045 R)
• M36: 25,386,609 km (0.119 R)
• M37: 26,524,750 km (0.034 R)
• M38: 26,629,019 km (0.039 R)
• M39: 26,733,588 km (0.115 R)
• M40: 27,047,594 km (0.088 R)
• M41: 27,679,645 km (0.111 R)
• M42: 29,929,298 km (0.086 R)
• M43: 30,473,535 km (0.052 R)
• M44: 30,582,742 km (0.063 R)
• M45: 30,801,603 km (0.084 R)
• M46: 33,018,793 km (0.057 R)
• M47: 34,943,519 km (0.095 R)
• M48: 35,172,255 km (0.078 R)
• M49: 35,861,751 km (0.109 R)
• M50: 37,487,581 km (0.108 R)
• M51: 37,721,851 km (0.106 R)
• M52: 38,781,902 km (0.099 R)
• M53: 40,090,733 km (0.084 R)
• M54: 40,210,412 km (0.073 R)
• M55: 40,690,471 km (0.113 R)
• M56: 40,810,748 km (0.055 R)
• M57: 42,263,493 km (0.041 R)
• M58: 45,718,605 km (0.104 R)
• M59: 51,068,225 km (0.082 R)
• M60: 53,289,006 km (0.106 R)
• M61: 61,789,007 km (0.117 R)
• M62: 62,898,126 km (0.106 R)
• M63: 64,995,188 km (0.116 R)
• M64: 66,264,526 km (0.115 R)
• M65: 68,112,359 km (0.086 R)
• M66: 68,541,107 km (0.087 R)
• M67: 69,688,971 km (0.067 R)
• M68: 71,132,740 km (0.087 R)
• M69: 71,858,290 km (0.111 R)
• M70: 72,878,248 km (0.057 R)
• M71: 76,263,050 km (0.088 R)
• M72: 77,303,353 km (0.077 R)
• M73: 77,452,353 km (0.113 R)
• M74: 77,899,800 km (0.119 R)
• M75: 78,647,640 km (0.057 R)
• M76: 80,150,500 km (0.087 R)
• M77: 81,208,157 km (0.104 R)
• M78: 82,574,584 km (0.086 R)
• M79: 83,184,494 km (0.068 R)
• M80: 92,825,030 km (0.064 R)
• M81: 93,617,749 km (0.074 R)
• M82: 94,253,540 km (0.118 R)
• M83: 95,529,460 km (0.075 R)
• M84: 96,329,809 km (0.108 R)
• M85: 97,937,088 km (0.095 R)
• M86: 98,744,169 km (0.062 R)
• M87: 99,067,600 km (0.117 R)
• M88: 101,994,033 km (0.048 R)
• M89: 102,320,904 km (0.117 R)
• M90: 103,467,871 km (0.069 R)
• M91: 105,939,976 km (0.101 R)
• M92: 106,768,300 km (0.11 R)
• M93: 110,270,834 km (0.088 R)
• M94: 110,438,534 km (0.114 R)
• M95: 110,606,382 km (0.101 R)
• M96: 112,626,552 km (0.031 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 19,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit