🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.61 AU - 0.69 AU

Year: 187 Days

Day: 35.3 Hours

Environment

Temp: 202 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,515,584 km

• M1: 46,375 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.75 AU - 1.05 AU

Year: 304 Days

Day: 23.9 Hours

Environment

Temp: 143 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.98 AU - 1.24 AU

Year: 417 Days

Day: 42.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,515,584 km

• M1: 435,928 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.99 AU - 3.07 AU

Year: 1434 Days

Day: 16.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,515,584 km

• M1: 21,841 km (0.103 R)
• M2: 208,539 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.06 AU - 3.1 AU

Year: 1927 Days

Day: 12.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,515,584 km

• M1: 919,279 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.34 AU - 3.84 AU

Year: 2425 Days

Day: 44.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,515,584 km

• M1: 726,148 km (0.082 R)
• M2: 943,215 km (0.091 R)

Asteroid Belt

Center: 4.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.4

Radius: 10.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.23 AU - 6.27 AU

Year: 4288 Days

Day: 7.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 41,515,584 km

• M1: 133,441 km (0.078 R)
• M2: 212,279 km (0.05 R)
• M3: 390,600 km (0.091 R)
• M4: 479,760 km (0.049 R)
• M5: 563,834 km (0.101 R)
• M6: 872,904 km (0.033 R)
• M7: 937,829 km (0.099 R)
• M8: 1,029,981 km (0.046 R)
• M9: 1,287,888 km (0.081 R)
• M10: 1,381,836 km (0.027 R)
• M11: 1,556,715 km (0.108 R)
• M12: 1,770,192 km (0.11 R)
• M13: 1,907,373 km (0.078 R)
• M14: 2,037,074 km (0.105 R)
• M15: 2,225,867 km (0.1 R)
• M16: 2,305,453 km (0.073 R)
• M17: 2,478,986 km (0.105 R)
• M18: 2,717,296 km (0.062 R)
• M19: 2,790,299 km (0.05 R)
• M20: 2,975,651 km (0.07 R)
• M21: 3,267,816 km (0.087 R)
• M22: 3,757,300 km (0.107 R)
• M23: 3,825,218 km (0.09 R)
• M24: 3,893,584 km (0.084 R)
• M25: 4,045,426 km (0.097 R)
• M26: 4,312,458 km (0.077 R)
• M27: 4,412,240 km (0.047 R)
• M28: 4,527,280 km (0.088 R)
• M29: 4,804,485 km (0.083 R)
• M30: 5,027,386 km (0.11 R)
• M31: 5,253,578 km (0.061 R)
• M32: 5,375,650 km (0.096 R)
• M33: 5,529,586 km (0.111 R)
• M34: 5,622,636 km (0.062 R)
• M35: 5,826,089 km (0.037 R)
• M36: 6,304,952 km (0.028 R)
• M37: 6,402,190 km (0.106 R)
• M38: 6,680,592 km (0.09 R)
• M39: 7,114,127 km (0.038 R)
• M40: 7,266,268 km (0.032 R)
• M41: 7,419,606 km (0.109 R)
• M42: 7,642,955 km (0.069 R)
• M43: 7,746,776 km (0.081 R)
• M44: 7,920,758 km (0.059 R)
• M45: 8,078,584 km (0.072 R)
• M46: 8,290,714 km (0.099 R)
• M47: 8,522,441 km (0.095 R)
• M48: 8,846,919 km (0.114 R)
• M49: 8,956,125 km (0.113 R)
• M50: 9,047,230 km (0.094 R)
• M51: 9,193,986 km (0.1 R)
• M52: 9,601,341 km (0.11 R)
• M53: 9,750,939 km (0.079 R)
• M54: 9,957,833 km (0.047 R)
• M55: 10,109,226 km (0.089 R)
• M56: 10,472,001 km (0.086 R)
• M57: 10,761,472 km (0.104 R)
• M58: 10,936,352 km (0.115 R)
• M59: 11,171,071 km (0.112 R)
• M60: 11,367,942 km (0.091 R)
• M61: 11,825,113 km (0.095 R)
• M62: 12,086,162 km (0.111 R)
• M63: 12,186,991 km (0.103 R)
• M64: 12,532,262 km (0.079 R)
• M65: 12,613,943 km (0.11 R)
• M66: 12,921,965 km (0.119 R)
• M67: 13,025,187 km (0.117 R)
• M68: 13,608,320 km (0.088 R)
• M69: 13,945,364 km (0.095 R)
• M70: 14,157,344 km (0.119 R)
• M71: 14,242,465 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.2

Radius: 9.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.76 AU - 10.36 AU

Year: 9720 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 41,515,584 km

• M1: 115,490 km (0.094 R)
• M2: 178,470 km (0.062 R)
• M3: 332,855 km (0.103 R)
• M4: 425,157 km (0.112 R)
• M5: 539,600 km (0.099 R)
• M6: 691,890 km (0.091 R)
• M7: 932,593 km (0.101 R)
• M8: 1,183,319 km (0.053 R)
• M9: 1,299,856 km (0.119 R)
• M10: 1,473,240 km (0.114 R)
• M11: 1,691,354 km (0.108 R)
• M12: 2,138,651 km (0.107 R)
• M13: 3,612,190 km (0.114 R)
• M14: 3,758,946 km (0.118 R)
• M15: 3,832,997 km (0.102 R)
• M16: 3,907,646 km (0.114 R)
• M17: 4,007,877 km (0.099 R)
• M18: 4,185,449 km (0.116 R)
• M19: 4,391,595 km (0.075 R)
• M20: 4,707,097 km (0.04 R)
• M21: 5,359,942 km (0.096 R)
• M22: 6,186,620 km (0.113 R)
• M23: 6,719,488 km (0.112 R)
• M24: 6,900,501 km (0.119 R)
• M25: 7,021,974 km (0.11 R)
• M26: 7,267,315 km (0.113 R)
• M27: 7,421,999 km (0.096 R)
• M28: 8,051,657 km (0.086 R)
• M29: 8,179,712 km (0.102 R)
• M30: 8,276,203 km (0.073 R)
• M31: 8,405,456 km (0.069 R)
• M32: 8,665,905 km (0.069 R)
• M33: 8,764,191 km (0.11 R)
• M34: 9,161,374 km (0.116 R)
• M35: 9,734,034 km (0.112 R)
• M36: 9,802,251 km (0.118 R)
• M37: 10,041,907 km (0.036 R)
• M38: 10,492,346 km (0.1 R)
• M39: 11,412,971 km (0.079 R)
• M40: 11,665,193 km (0.101 R)
• M41: 11,992,364 km (0.092 R)
• M42: 12,065,367 km (0.037 R)
• M43: 12,544,081 km (0.094 R)
• M44: 12,879,180 km (0.083 R)
• M45: 13,217,271 km (0.119 R)
• M46: 13,292,818 km (0.048 R)
• M47: 13,634,500 km (0.063 R)
• M48: 13,710,794 km (0.115 R)
• M49: 13,825,536 km (0.072 R)
• M50: 14,210,302 km (0.106 R)
• M51: 14,404,031 km (0.075 R)
• M52: 14,794,033 km (0.09 R)
• M53: 14,911,766 km (0.093 R)
• M54: 15,584,508 km (0.087 R)
• M55: 16,226,881 km (0.031 R)
• M56: 16,469,978 km (0.072 R)
• M57: 16,551,209 km (0.064 R)
• M58: 17,206,448 km (0.113 R)
• M59: 17,413,043 km (0.117 R)
• M60: 18,796,524 km (0.091 R)
• M61: 19,051,887 km (0.084 R)
• M62: 19,608,990 km (0.113 R)
• M63: 19,738,392 km (0.083 R)
• M64: 19,911,327 km (0.084 R)
• M65: 20,258,544 km (0.094 R)
• M66: 21,846,076 km (0.065 R)
• M67: 24,347,801 km (0.078 R)
• M68: 24,672,728 km (0.1 R)
• M69: 24,858,977 km (0.118 R)
• M70: 26,223,460 km (0.114 R)
• M71: 26,556,464 km (0.118 R)
• M72: 26,795,223 km (0.12 R)
• M73: 28,437,209 km (0.114 R)
• M74: 28,534,896 km (0.112 R)
• M75: 28,828,407 km (0.049 R)
• M76: 29,122,816 km (0.098 R)
• M77: 30,410,554 km (0.091 R)
• M78: 31,919,398 km (0.11 R)
• M79: 32,071,540 km (0.104 R)
• M80: 32,376,719 km (0.06 R)
• M81: 33,092,545 km (0.048 R)
• M82: 33,195,169 km (0.108 R)
• M83: 33,658,623 km (0.115 R)
• M84: 34,020,501 km (0.091 R)
• M85: 34,435,635 km (0.056 R)
• M86: 34,904,774 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 9.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 9.04 AU - 12.94 AU

Year: 12986 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 41,515,584 km

• M1: 132,394 km (0.114 R)
• M2: 295,456 km (0.046 R)
• M3: 730,187 km (0.118 R)
• M4: 1,093,860 km (0.104 R)
• M5: 1,450,501 km (0.064 R)
• M6: 1,842,597 km (0.037 R)
• M7: 1,995,336 km (0.116 R)
• M8: 2,062,057 km (0.112 R)
• M9: 2,313,531 km (0.096 R)
• M10: 2,997,642 km (0.105 R)
• M11: 3,074,685 km (0.052 R)
• M12: 3,415,619 km (0.12 R)
• M13: 3,824,170 km (0.077 R)
• M14: 5,203,164 km (0.055 R)
• M15: 5,452,094 km (0.088 R)
• M16: 5,704,915 km (0.083 R)
• M17: 6,156,551 km (0.117 R)
• M18: 6,552,985 km (0.12 R)
• M19: 6,788,003 km (0.116 R)
• M20: 6,889,580 km (0.082 R)
• M21: 7,231,860 km (0.083 R)
• M22: 8,437,170 km (0.1 R)
• M23: 8,583,028 km (0.115 R)
• M24: 9,779,961 km (0.09 R)
• M25: 10,048,788 km (0.092 R)
• M26: 10,164,727 km (0.076 R)
• M27: 10,359,054 km (0.096 R)
• M28: 10,554,429 km (0.12 R)
• M29: 10,988,861 km (0.118 R)
• M30: 12,162,008 km (0.116 R)
• M31: 12,409,742 km (0.118 R)
• M32: 12,826,222 km (0.107 R)
• M33: 13,459,620 km (0.059 R)
• M34: 14,059,956 km (0.096 R)
• M35: 14,406,873 km (0.053 R)
• M36: 14,668,969 km (0.104 R)
• M37: 14,800,615 km (0.11 R)
• M38: 15,020,973 km (0.082 R)
• M39: 15,242,377 km (0.049 R)
• M40: 15,822,967 km (0.081 R)
• M41: 15,958,054 km (0.047 R)
• M42: 16,048,261 km (0.118 R)
• M43: 16,320,081 km (0.087 R)
• M44: 16,501,992 km (0.073 R)
• M45: 17,422,168 km (0.079 R)
• M46: 17,935,289 km (0.067 R)
• M47: 18,170,157 km (0.053 R)
• M48: 18,264,404 km (0.113 R)
• M49: 19,072,083 km (0.031 R)
• M50: 19,263,867 km (0.106 R)
• M51: 20,672,930 km (0.057 R)
• M52: 21,464,602 km (0.106 R)
• M53: 21,814,062 km (0.118 R)
• M54: 22,417,540 km (0.032 R)
• M55: 22,822,950 km (0.099 R)
• M56: 23,795,486 km (0.106 R)
• M57: 24,105,303 km (0.11 R)
• M58: 24,208,975 km (0.059 R)
• M59: 24,676,917 km (0.106 R)
• M60: 25,148,000 km (0.084 R)
• M61: 25,358,335 km (0.085 R)
• M62: 25,674,884 km (0.114 R)
• M63: 25,780,650 km (0.104 R)
• M64: 26,098,994 km (0.108 R)
• M65: 26,846,684 km (0.064 R)
• M66: 27,277,227 km (0.107 R)
• M67: 27,655,710 km (0.041 R)
• M68: 29,851,956 km (0.088 R)
• M69: 30,858,450 km (0.081 R)
• M70: 31,252,790 km (0.03 R)
• M71: 31,876,015 km (0.103 R)
• M72: 32,217,697 km (0.119 R)
• M73: 32,503,279 km (0.034 R)
• M74: 32,732,463 km (0.069 R)
• M75: 33,077,136 km (0.046 R)
• M76: 34,234,725 km (0.088 R)
• M77: 34,467,798 km (0.075 R)
• M78: 34,877,098 km (0.064 R)
• M79: 34,994,233 km (0.069 R)
• M80: 35,641,244 km (0.072 R)
• M81: 35,818,517 km (0.099 R)
• M82: 37,306,119 km (0.11 R)
• M83: 37,546,074 km (0.108 R)
• M84: 38,148,055 km (0.06 R)
• M85: 38,510,681 km (0.108 R)
• M86: 39,422,480 km (0.115 R)
• M87: 39,666,923 km (0.065 R)
• M88: 40,095,670 km (0.079 R)
• M89: 40,157,155 km (0.069 R)
• M90: 40,464,578 km (0.051 R)
• M91: 40,896,168 km (0.109 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 18,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit