🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.53 AU - 0.57 AU

Year: 145 Days

Day: 16.7 Hours

Environment

Temp: 219 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.13 AU - 1.19 AU

Year: 445 Days

Day: 32.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.95 AU - 1.45 AU

Year: 469 Days

Day: 33.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 153.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 91,231,537 km

• M1: 98,585 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.77 AU - 1.77 AU

Year: 839 Days

Day: 28.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,231,537 km

• M1: 792,420 km (0.03 R)
• M2: 828,024 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.39 AU - 5.57 AU

Year: 3961 Days

Day: 33.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.82 AU - 6.3 AU

Year: 4057 Days

Day: 38.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 146.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 13

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.36 AU - 9.94 AU

Year: 10685 Days

Day: 6.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 108.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 91,231,537 km

• M1: 193,879 km (0.06 R)
• M2: 405,560 km (0.11 R)
• M3: 568,921 km (0.119 R)
• M4: 832,512 km (0.102 R)
• M5: 1,031,178 km (0.065 R)
• M6: 1,136,645 km (0.045 R)
• M7: 1,476,531 km (0.085 R)
• M8: 1,597,107 km (0.091 R)
• M9: 1,822,850 km (0.101 R)
• M10: 2,032,586 km (0.082 R)
• M11: 2,167,673 km (0.077 R)
• M12: 2,475,994 km (0.076 R)
• M13: 2,709,367 km (0.09 R)
• M14: 2,919,402 km (0.095 R)
• M15: 3,197,654 km (0.115 R)
• M16: 3,292,350 km (0.101 R)
• M17: 3,847,059 km (0.053 R)
• M18: 4,049,914 km (0.057 R)
• M19: 4,152,687 km (0.092 R)
• M20: 4,430,939 km (0.113 R)
• M21: 4,896,488 km (0.105 R)
• M22: 5,079,745 km (0.095 R)
• M23: 5,758,471 km (0.093 R)
• M24: 7,325,658 km (0.051 R)
• M25: 8,091,300 km (0.081 R)
• M26: 8,264,983 km (0.045 R)
• M27: 8,571,808 km (0.061 R)
• M28: 9,016,712 km (0.09 R)
• M29: 9,744,357 km (0.079 R)
• M30: 9,836,658 km (0.037 R)
• M31: 10,068,685 km (0.083 R)
• M32: 12,486,785 km (0.025 R)
• M33: 12,687,844 km (0.038 R)
• M34: 13,092,955 km (0.1 R)
• M35: 14,229,001 km (0.092 R)
• M36: 16,704,996 km (0.11 R)
• M37: 18,504,658 km (0.111 R)
• M38: 19,543,915 km (0.12 R)
• M39: 20,424,448 km (0.054 R)
• M40: 21,198,018 km (0.069 R)
• M41: 21,317,846 km (0.108 R)
• M42: 21,437,973 km (0.066 R)
• M43: 21,739,114 km (0.102 R)
• M44: 22,773,733 km (0.091 R)
• M45: 23,204,575 km (0.111 R)
• M46: 23,513,793 km (0.078 R)
• M47: 24,136,569 km (0.046 R)
• M48: 24,387,146 km (0.107 R)
• M49: 27,985,274 km (0.12 R)
• M50: 28,910,537 km (0.091 R)
• M51: 29,644,464 km (0.112 R)
• M52: 30,182,268 km (0.095 R)
• M53: 30,790,982 km (0.105 R)
• M54: 31,951,861 km (0.103 R)
• M55: 32,089,342 km (0.112 R)
• M56: 32,918,712 km (0.11 R)
• M57: 33,894,988 km (0.116 R)
• M58: 34,246,094 km (0.088 R)
• M59: 34,951,747 km (0.092 R)
• M60: 35,733,546 km (0.077 R)
• M61: 36,090,786 km (0.056 R)
• M62: 36,449,222 km (0.086 R)
• M63: 38,405,214 km (0.104 R)
• M64: 39,950,111 km (0.101 R)
• M65: 40,841,864 km (0.093 R)
• M66: 41,140,761 km (0.111 R)
• M67: 41,890,695 km (0.076 R)
• M68: 42,645,267 km (0.102 R)
• M69: 42,796,809 km (0.053 R)
• M70: 43,938,391 km (0.078 R)
• M71: 44,397,955 km (0.061 R)
• M72: 45,012,952 km (0.118 R)
• M73: 45,785,775 km (0.057 R)
• M74: 47,580,052 km (0.069 R)
• M75: 47,894,357 km (0.111 R)
• M76: 48,288,248 km (0.036 R)
• M77: 48,446,223 km (0.09 R)
• M78: 48,762,473 km (0.108 R)
• M79: 49,476,653 km (0.055 R)
• M80: 49,635,676 km (0.034 R)
• M81: 49,954,619 km (0.115 R)
• M82: 50,274,160 km (0.038 R)
• M83: 50,834,852 km (0.084 R)
• M84: 51,962,820 km (0.083 R)
• M85: 55,065,480 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 8.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 9.22 AU - 13.58 AU

Year: 13720 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 91,231,537 km

• M1: 514,018 km (0.112 R)
• M2: 704,456 km (0.113 R)
• M3: 986,149 km (0.072 R)
• M4: 1,056,161 km (0.092 R)
• M5: 1,251,536 km (0.095 R)
• M6: 1,432,100 km (0.106 R)
• M7: 2,114,716 km (0.115 R)
• M8: 2,586,996 km (0.105 R)
• M9: 3,196,009 km (0.111 R)
• M10: 3,480,694 km (0.037 R)
• M11: 3,662,904 km (0.112 R)
• M12: 4,266,681 km (0.111 R)
• M13: 4,344,472 km (0.111 R)
• M14: 4,461,756 km (0.116 R)
• M15: 4,780,101 km (0.077 R)
• M16: 4,982,806 km (0.068 R)
• M17: 6,082,051 km (0.052 R)
• M18: 6,301,810 km (0.086 R)
• M19: 6,794,586 km (0.115 R)
• M20: 6,885,541 km (0.062 R)
• M21: 7,068,649 km (0.062 R)
• M22: 7,912,381 km (0.091 R)
• M23: 8,541,590 km (0.108 R)
• M24: 8,738,311 km (0.082 R)
• M25: 10,054,024 km (0.076 R)
• M26: 10,314,025 km (0.101 R)
• M27: 10,629,078 km (0.078 R)
• M28: 10,894,016 km (0.1 R)
• M29: 12,417,521 km (0.086 R)
• M30: 14,531,189 km (0.116 R)
• M31: 14,648,623 km (0.099 R)
• M32: 15,359,662 km (0.108 R)
• M33: 17,000,152 km (0.086 R)
• M34: 19,660,751 km (0.08 R)
• M35: 20,378,820 km (0.111 R)
• M36: 20,444,494 km (0.116 R)
• M37: 20,774,058 km (0.08 R)
• M38: 20,840,180 km (0.08 R)
• M39: 22,177,286 km (0.119 R)
• M40: 22,583,893 km (0.106 R)
• M41: 24,513,406 km (0.088 R)
• M42: 24,653,280 km (0.089 R)
• M43: 25,639,579 km (0.107 R)
• M44: 27,360,254 km (0.105 R)
• M45: 28,528,015 km (0.1 R)
• M46: 29,192,080 km (0.112 R)
• M47: 29,414,532 km (0.09 R)
• M48: 29,488,732 km (0.117 R)
• M49: 29,935,731 km (0.112 R)
• M50: 30,535,319 km (0.066 R)
• M51: 30,685,814 km (0.119 R)
• M52: 30,836,459 km (0.104 R)
• M53: 30,912,006 km (0.11 R)
• M54: 31,063,100 km (0.045 R)
• M55: 31,670,019 km (0.067 R)
• M56: 32,127,639 km (0.054 R)
• M57: 32,510,908 km (0.088 R)
• M58: 32,587,652 km (0.083 R)
• M59: 33,980,558 km (0.106 R)
• M60: 34,527,488 km (0.119 R)
• M61: 34,919,883 km (0.102 R)
• M62: 36,744,079 km (0.104 R)
• M63: 36,904,149 km (0.091 R)
• M64: 37,385,705 km (0.109 R)
• M65: 38,761,706 km (0.091 R)
• M66: 39,333,170 km (0.075 R)
• M67: 40,815,236 km (0.099 R)
• M68: 42,567,326 km (0.091 R)
• M69: 43,156,742 km (0.119 R)
• M70: 43,325,638 km (0.119 R)
• M71: 43,579,505 km (0.114 R)
• M72: 44,173,558 km (0.035 R)
• M73: 44,343,801 km (0.09 R)
• M74: 44,429,072 km (0.119 R)
• M75: 44,599,613 km (0.081 R)
• M76: 46,490,081 km (0.09 R)
• M77: 47,794,126 km (0.07 R)
• M78: 48,319,065 km (0.112 R)
• M79: 49,110,139 km (0.043 R)
• M80: 49,728,277 km (0.105 R)
• M81: 50,082,674 km (0.074 R)
• M82: 50,883,173 km (0.101 R)
• M83: 51,240,263 km (0.082 R)
• M84: 51,777,618 km (0.082 R)
• M85: 51,956,986 km (0.041 R)
• M86: 52,316,619 km (0.078 R)
• M87: 53,672,574 km (0.116 R)
• M88: 56,326,740 km (0.052 R)
• M89: 56,973,900 km (0.112 R)
• M90: 61,761,780 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.3

Radius: 3.2

Gravity: 55.69 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 15.24 AU - 22.12 AU

Year: 28778 Days

Day: 24.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 91,231,537 km

• M1: 72,106 km (0.049 R)
• M2: 93,199 km (0.112 R)
• M3: 144,960 km (0.063 R)
• M4: 224,397 km (0.071 R)
• M5: 297,700 km (0.068 R)
• M6: 337,343 km (0.046 R)
• M7: 824,733 km (0.119 R)
• M8: 1,121,086 km (0.085 R)
• M9: 1,248,245 km (0.112 R)
• M10: 1,313,619 km (0.045 R)
• M11: 1,988,305 km (0.045 R)
• M12: 2,064,600 km (0.073 R)
• M13: 2,880,357 km (0.113 R)
• M14: 3,142,453 km (0.074 R)
• M15: 3,596,183 km (0.056 R)
• M16: 4,363,620 km (0.032 R)
• M17: 4,462,953 km (0.117 R)
• M18: 5,658,539 km (0.059 R)
• M19: 6,096,263 km (0.088 R)
• M20: 8,013,360 km (0.063 R)
• M21: 10,098,604 km (0.083 R)
• M22: 10,164,278 km (0.086 R)
• M23: 11,030,898 km (0.097 R)
• M24: 11,782,478 km (0.089 R)
• M25: 12,976,119 km (0.113 R)
• M26: 13,334,406 km (0.119 R)
• M27: 13,914,397 km (0.077 R)
• M28: 14,725,517 km (0.118 R)
• M29: 15,024,114 km (0.109 R)
• M30: 15,099,063 km (0.087 R)
• M31: 15,249,409 km (0.098 R)
• M32: 15,551,596 km (0.092 R)
• M33: 15,855,729 km (0.118 R)
• M34: 16,547,320 km (0.053 R)
• M35: 17,013,766 km (0.056 R)
• M36: 17,642,376 km (0.027 R)
• M37: 18,519,020 km (0.033 R)
• M38: 20,480,397 km (0.102 R)
• M39: 20,813,701 km (0.114 R)
• M40: 21,994,178 km (0.093 R)
• M41: 22,850,626 km (0.089 R)
• M42: 24,067,904 km (0.066 R)
• M43: 24,950,082 km (0.101 R)
• M44: 25,663,515 km (0.057 R)
• M45: 25,932,791 km (0.037 R)
• M46: 26,383,529 km (0.087 R)
• M47: 26,474,036 km (0.057 R)
• M48: 26,836,960 km (0.115 R)
• M49: 27,110,276 km (0.102 R)
• M50: 29,423,208 km (0.041 R)
• M51: 30,841,097 km (0.101 R)
• M52: 31,031,685 km (0.054 R)
• M53: 33,546,425 km (0.04 R)
• M54: 33,939,119 km (0.032 R)
• M55: 35,425,075 km (0.112 R)
• M56: 37,033,402 km (0.104 R)
• M57: 38,768,139 km (0.113 R)
• M58: 38,870,912 km (0.109 R)
• M59: 39,800,813 km (0.063 R)
• M60: 40,112,425 km (0.116 R)
• M61: 40,947,181 km (0.112 R)
• M62: 42,421,917 km (0.088 R)
• M63: 44,990,064 km (0.07 R)
• M64: 45,531,458 km (0.047 R)
• M65: 46,511,324 km (0.115 R)
• M66: 48,159,743 km (0.105 R)
• M67: 50,051,109 km (0.104 R)
• M68: 52,079,956 km (0.1 R)
• M69: 53,447,280 km (0.115 R)
• M70: 54,365,512 km (0.114 R)
• M71: 54,595,893 km (0.111 R)
• M72: 56,917,203 km (0.117 R)
• M73: 60,936,748 km (0.081 R)
• M74: 61,295,783 km (0.069 R)
• M75: 62,980,554 km (0.084 R)
• M76: 67,382,172 km (0.12 R)
• M77: 68,001,358 km (0.093 R)
• M78: 73,530,495 km (0.12 R)
• M79: 74,807,163 km (0.092 R)
• M80: 76,864,882 km (0.061 R)
• M81: 77,641,295 km (0.102 R)
• M82: 77,900,698 km (0.038 R)
• M83: 78,030,399 km (0.026 R)
• M84: 78,810,851 km (0.09 R)
• M85: 79,855,343 km (0.081 R)
• M86: 80,379,235 km (0.084 R)
• M87: 80,772,977 km (0.094 R)
• M88: 83,546,820 km (0.044 R)
• M89: 86,889,585 km (0.027 R)
• M90: 87,024,223 km (0.109 R)
• M91: 87,158,861 km (0.097 R)
• M92: 90,275,733 km (0.097 R)
• M93: 90,821,466 km (0.06 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 16,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit