🌌 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: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.67 AU

Year: 174 Days

Day: 16 Hours

Environment

Temp: 31 °C

Axial Tilt: 54.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.64 AU - 0.66 AU

Year: 230 Days

Day: 29.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,057,311 km

• M1: 441,164 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.15 AU - 1.45 AU

Year: 652 Days

Day: 12.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 139.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.48 AU - 1.58 AU

Year: 832 Days

Day: 21.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.45 AU - 1.61 AU

Year: 832 Days

Day: 45.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,057,311 km

• M1: 399,277 km (0.077 R)
• M2: 442,211 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.5 AU - 1.88 AU

Year: 966 Days

Day: 15.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 14.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.26 AU - 3.16 AU

Year: 1962 Days

Day: 5.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 56,057,311 km

• M1: 178,171 km (0.102 R)
• M2: 282,890 km (0.091 R)
• M3: 401,221 km (0.032 R)
• M4: 569,369 km (0.108 R)
• M5: 671,994 km (0.066 R)
• M6: 766,240 km (0.094 R)
• M7: 860,038 km (0.093 R)
• M8: 970,292 km (0.099 R)
• M9: 1,278,613 km (0.107 R)
• M10: 1,379,592 km (0.097 R)
• M11: 1,568,534 km (0.077 R)
• M12: 1,721,722 km (0.084 R)
• M13: 1,834,519 km (0.102 R)
• M14: 2,115,463 km (0.117 R)
• M15: 2,253,094 km (0.105 R)
• M16: 2,572,036 km (0.106 R)
• M17: 3,005,122 km (0.091 R)
• M18: 3,188,679 km (0.064 R)
• M19: 3,281,878 km (0.108 R)
• M20: 3,394,974 km (0.078 R)
• M21: 3,509,416 km (0.039 R)
• M22: 3,644,653 km (0.098 R)
• M23: 3,752,064 km (0.11 R)
• M24: 3,900,465 km (0.098 R)
• M25: 4,050,662 km (0.052 R)
• M26: 4,162,112 km (0.098 R)
• M27: 4,398,626 km (0.054 R)
• M28: 4,523,840 km (0.102 R)
• M29: 4,703,207 km (0.094 R)
• M30: 4,874,198 km (0.095 R)
• M31: 5,277,663 km (0.059 R)
• M32: 5,444,465 km (0.099 R)
• M33: 5,534,074 km (0.12 R)
• M34: 5,966,711 km (0.039 R)
• M35: 6,070,831 km (0.112 R)
• M36: 6,374,964 km (0.067 R)
• M37: 6,564,654 km (0.087 R)
• M38: 7,047,107 km (0.12 R)
• M39: 7,354,531 km (0.053 R)
• M40: 7,466,430 km (0.106 R)
• M41: 7,578,778 km (0.086 R)
• M42: 7,817,835 km (0.094 R)
• M43: 7,931,978 km (0.06 R)
• M44: 8,381,071 km (0.041 R)
• M45: 8,497,907 km (0.062 R)
• M46: 8,615,341 km (0.103 R)
• M47: 8,759,554 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661

Radius: 11.3

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3 AU - 3.16 AU

Year: 2377 Days

Day: 11.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 56,057,311 km

• M1: 145,110 km (0.093 R)
• M2: 238,908 km (0.076 R)
• M3: 385,963 km (0.084 R)
• M4: 481,705 km (0.093 R)
• M5: 611,257 km (0.045 R)
• M6: 719,416 km (0.101 R)
• M7: 798,404 km (0.12 R)
• M8: 927,956 km (0.054 R)
• M9: 1,064,987 km (0.084 R)
• M10: 1,230,442 km (0.109 R)
• M11: 1,575,565 km (0.114 R)
• M12: 1,657,694 km (0.064 R)
• M13: 1,826,740 km (0.104 R)
• M14: 2,039,617 km (0.111 R)
• M15: 2,287,501 km (0.081 R)
• M16: 2,698,746 km (0.076 R)
• M17: 2,884,397 km (0.079 R)
• M18: 2,971,463 km (0.099 R)
• M19: 3,238,196 km (0.114 R)
• M20: 3,466,482 km (0.104 R)
• M21: 3,543,674 km (0.081 R)
• M22: 4,035,851 km (0.116 R)
• M23: 4,381,722 km (0.062 R)
• M24: 4,465,347 km (0.067 R)
• M25: 4,874,946 km (0.079 R)
• M26: 5,014,221 km (0.102 R)
• M27: 5,548,136 km (0.091 R)
• M28: 5,822,050 km (0.111 R)
• M29: 6,063,052 km (0.111 R)
• M30: 6,421,189 km (0.12 R)
• M31: 6,574,078 km (0.089 R)
• M32: 6,902,895 km (0.058 R)
• M33: 7,000,732 km (0.12 R)
• M34: 7,436,361 km (0.092 R)
• M35: 7,536,591 km (0.072 R)
• M36: 7,637,270 km (0.1 R)
• M37: 7,718,203 km (0.053 R)
• M38: 7,901,311 km (0.089 R)
• M39: 8,044,775 km (0.074 R)
• M40: 8,127,054 km (0.073 R)
• M41: 8,501,049 km (0.055 R)
• M42: 8,627,010 km (0.076 R)
• M43: 8,732,477 km (0.116 R)
• M44: 8,816,999 km (0.09 R)
• M45: 8,944,606 km (0.06 R)
• M46: 10,186,119 km (0.09 R)
• M47: 10,275,279 km (0.099 R)
• M48: 10,409,618 km (0.09 R)
• M49: 10,521,817 km (0.098 R)
• M50: 11,158,206 km (0.041 R)
• M51: 11,900,959 km (0.072 R)
• M52: 11,971,270 km (0.091 R)
• M53: 12,159,913 km (0.04 R)
• M54: 12,972,080 km (0.11 R)
• M55: 13,214,429 km (0.061 R)
• M56: 13,556,110 km (0.116 R)
• M57: 13,752,682 km (0.101 R)
• M58: 13,900,634 km (0.029 R)
• M59: 14,223,317 km (0.116 R)
• M60: 14,323,099 km (0.107 R)
• M61: 14,498,128 km (0.108 R)
• M62: 14,648,923 km (0.078 R)
• M63: 15,205,876 km (0.092 R)
• M64: 15,435,807 km (0.076 R)
• M65: 15,692,517 km (0.096 R)
• M66: 16,002,484 km (0.116 R)
• M67: 17,262,697 km (0.085 R)
• M68: 18,066,486 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 14

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.61 AU - 5.25 AU

Year: 4100 Days

Day: 13.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 56,057,311 km

• M1: 188,493 km (0.078 R)
• M2: 371,003 km (0.088 R)
• M3: 509,082 km (0.087 R)
• M4: 649,704 km (0.087 R)
• M5: 805,734 km (0.113 R)
• M6: 940,821 km (0.062 R)
• M7: 1,059,901 km (0.08 R)
• M8: 1,275,023 km (0.053 R)
• M9: 1,676,095 km (0.075 R)
• M10: 1,793,978 km (0.085 R)
• M11: 2,069,537 km (0.05 R)
• M12: 2,196,546 km (0.12 R)
• M13: 2,509,055 km (0.089 R)
• M14: 2,627,836 km (0.096 R)
• M15: 2,942,441 km (0.101 R)
• M16: 3,195,560 km (0.088 R)
• M17: 3,437,310 km (0.106 R)
• M18: 3,685,044 km (0.111 R)
• M19: 3,958,509 km (0.118 R)
• M20: 4,057,842 km (0.096 R)
• M21: 4,755,567 km (0.1 R)
• M22: 4,903,968 km (0.104 R)
• M23: 5,248,940 km (0.036 R)
• M24: 5,557,262 km (0.086 R)
• M25: 5,758,770 km (0.119 R)
• M26: 5,894,455 km (0.088 R)
• M27: 6,008,299 km (0.11 R)
• M28: 6,145,929 km (0.112 R)
• M29: 6,307,794 km (0.045 R)
• M30: 6,541,616 km (0.109 R)
• M31: 7,333,437 km (0.053 R)
• M32: 8,539,196 km (0.084 R)
• M33: 8,902,569 km (0.107 R)
• M34: 10,077,361 km (0.115 R)
• M35: 10,738,584 km (0.111 R)
• M36: 10,878,159 km (0.113 R)
• M37: 11,130,830 km (0.063 R)
• M38: 12,540,790 km (0.09 R)
• M39: 12,865,118 km (0.104 R)
• M40: 13,102,679 km (0.077 R)
• M41: 14,098,103 km (0.108 R)
• M42: 14,466,114 km (0.111 R)
• M43: 14,589,532 km (0.117 R)
• M44: 15,024,114 km (0.116 R)
• M45: 15,274,391 km (0.091 R)
• M46: 15,400,054 km (0.045 R)
• M47: 15,620,860 km (0.093 R)
• M48: 16,065,465 km (0.103 R)
• M49: 16,772,614 km (0.119 R)
• M50: 17,391,500 km (0.115 R)
• M51: 17,522,847 km (0.116 R)
• M52: 17,654,494 km (0.103 R)
• M53: 18,217,430 km (0.087 R)
• M54: 18,317,362 km (0.119 R)
• M55: 19,191,312 km (0.102 R)
• M56: 19,907,288 km (0.112 R)
• M57: 20,805,623 km (0.106 R)
• M58: 21,049,916 km (0.096 R)
• M59: 21,154,784 km (0.087 R)
• M60: 22,106,975 km (0.08 R)
• M61: 22,499,071 km (0.112 R)
• M62: 22,749,647 km (0.119 R)
• M63: 22,965,218 km (0.116 R)
• M64: 23,073,228 km (0.068 R)
• M65: 23,470,859 km (0.093 R)
• M66: 24,089,895 km (0.083 R)
• M67: 24,382,957 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.6

Radius: 7.8

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.1 AU - 12.8 AU

Year: 14854 Days

Day: 22.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 56,057,311 km

• M1: 106,214 km (0.074 R)
• M2: 210,185 km (0.099 R)
• M3: 417,378 km (0.077 R)
• M4: 595,998 km (0.098 R)
• M5: 779,854 km (0.087 R)
• M6: 2,083,150 km (0.063 R)
• M7: 2,511,000 km (0.115 R)
• M8: 2,689,770 km (0.085 R)
• M9: 3,644,952 km (0.11 R)
• M10: 4,123,665 km (0.055 R)
• M11: 4,193,677 km (0.104 R)
• M12: 4,768,283 km (0.051 R)
• M13: 4,989,987 km (0.088 R)
• M14: 5,215,281 km (0.047 R)
• M15: 6,309,889 km (0.114 R)
• M16: 7,260,583 km (0.111 R)
• M17: 8,566,572 km (0.086 R)
• M18: 8,746,090 km (0.098 R)
• M19: 9,384,274 km (0.1 R)
• M20: 9,802,550 km (0.113 R)
• M21: 10,037,568 km (0.103 R)
• M22: 10,132,114 km (0.115 R)
• M23: 11,289,254 km (0.114 R)
• M24: 11,634,675 km (0.089 R)
• M25: 11,734,008 km (0.113 R)
• M26: 13,102,230 km (0.086 R)
• M27: 14,147,919 km (0.04 R)
• M28: 14,360,348 km (0.113 R)
• M29: 14,627,231 km (0.09 R)
• M30: 15,111,779 km (0.069 R)
• M31: 16,541,186 km (0.066 R)
• M32: 17,499,061 km (0.083 R)
• M33: 18,128,270 km (0.084 R)
• M34: 18,185,865 km (0.112 R)
• M35: 18,358,950 km (0.075 R)
• M36: 19,173,959 km (0.048 R)
• M37: 20,119,866 km (0.074 R)
• M38: 21,750,184 km (0.116 R)
• M39: 21,811,370 km (0.054 R)
• M40: 21,872,705 km (0.075 R)
• M41: 24,242,335 km (0.08 R)
• M42: 24,560,230 km (0.057 R)
• M43: 24,879,472 km (0.081 R)
• M44: 25,007,528 km (0.06 R)
• M45: 25,651,248 km (0.078 R)
• M46: 25,845,426 km (0.098 R)
• M47: 27,350,081 km (0.118 R)
• M48: 28,146,391 km (0.085 R)
• M49: 29,220,054 km (0.028 R)
• M50: 29,490,527 km (0.088 R)
• M51: 30,170,450 km (0.045 R)
• M52: 30,855,458 km (0.053 R)
• M53: 30,993,088 km (0.063 R)
• M54: 31,130,868 km (0.104 R)
• M55: 32,520,333 km (0.065 R)
• M56: 33,788,025 km (0.037 R)
• M57: 35,215,488 km (0.094 R)
• M58: 36,299,026 km (0.06 R)
• M59: 39,241,317 km (0.105 R)
• M60: 39,614,563 km (0.056 R)
• M61: 39,764,161 km (0.099 R)
• M62: 40,289,250 km (0.052 R)
• M63: 41,270,313 km (0.053 R)
• M64: 41,498,001 km (0.118 R)
• M65: 41,954,274 km (0.049 R)
• M66: 43,333,267 km (0.084 R)
• M67: 43,564,546 km (0.11 R)
• M68: 44,416,057 km (0.086 R)
• M69: 44,493,698 km (0.117 R)
• M70: 45,821,379 km (0.086 R)
• M71: 46,056,996 km (0.101 R)
• M72: 47,082,639 km (0.087 R)
• M73: 50,204,597 km (0.096 R)
• M74: 50,447,544 km (0.082 R)
• M75: 52,733,549 km (0.118 R)
• M76: 54,220,851 km (0.061 R)
• M77: 54,636,434 km (0.079 R)
• M78: 56,057,314 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 10,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit