🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1 AU - 1.38 AU

Year: 479 Days

Day: 43.6 Hours

Environment

Temp: -13 °C

Axial Tilt: 3.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.18 AU - 1.62 AU

Year: 611 Days

Day: 31.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.34 AU - 3.38 AU

Year: 1785 Days

Day: 33.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,097,401 km

• M1: 762,500 km (0.12 R)
• M2: 2,356,166 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.51 AU - 4.93 AU

Year: 3198 Days

Day: 47.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,097,401 km

• M1: 366,664 km (0.075 R)
• M2: 1,194,090 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 14.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.02 AU - 7.22 AU

Year: 5586 Days

Day: 8.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 83,097,401 km

• M1: 186,997 km (0.118 R)
• M2: 290,369 km (0.12 R)
• M3: 627,264 km (0.105 R)
• M4: 723,754 km (0.116 R)
• M5: 852,857 km (0.033 R)
• M6: 1,291,927 km (0.115 R)
• M7: 1,503,907 km (0.109 R)
• M8: 1,871,619 km (0.032 R)
• M9: 2,506,812 km (0.11 R)
• M10: 3,074,835 km (0.064 R)
• M11: 3,250,762 km (0.045 R)
• M12: 3,893,584 km (0.113 R)
• M13: 4,205,645 km (0.112 R)
• M14: 4,303,332 km (0.087 R)
• M15: 4,803,438 km (0.084 R)
• M16: 4,957,075 km (0.09 R)
• M17: 5,615,156 km (0.119 R)
• M18: 6,133,961 km (0.108 R)
• M19: 6,497,933 km (0.112 R)
• M20: 7,159,156 km (0.063 R)
• M21: 7,276,291 km (0.115 R)
• M22: 7,453,415 km (0.086 R)
• M23: 7,572,195 km (0.085 R)
• M24: 7,751,713 km (0.109 R)
• M25: 7,902,358 km (0.047 R)
• M26: 8,267,975 km (0.047 R)
• M27: 8,639,127 km (0.051 R)
• M28: 8,764,042 km (0.047 R)
• M29: 9,079,095 km (0.026 R)
• M30: 10,178,041 km (0.081 R)
• M31: 10,277,075 km (0.068 R)
• M32: 10,509,400 km (0.114 R)
• M33: 10,676,351 km (0.089 R)
• M34: 11,080,714 km (0.049 R)
• M35: 11,490,164 km (0.097 R)
• M36: 12,464,943 km (0.067 R)
• M37: 12,641,768 km (0.105 R)
• M38: 12,926,602 km (0.104 R)
• M39: 13,033,864 km (0.113 R)
• M40: 13,647,664 km (0.049 R)
• M41: 14,271,038 km (0.056 R)
• M42: 14,382,040 km (0.036 R)
• M43: 14,828,739 km (0.095 R)
• M44: 14,941,237 km (0.11 R)
• M45: 15,166,831 km (0.068 R)
• M46: 15,317,924 km (0.085 R)
• M47: 15,545,612 km (0.106 R)
• M48: 15,736,050 km (0.036 R)
• M49: 16,119,470 km (0.101 R)
• M50: 16,312,301 km (0.07 R)
• M51: 17,052,063 km (0.115 R)
• M52: 17,287,979 km (0.072 R)
• M53: 17,564,585 km (0.112 R)
• M54: 18,726,213 km (0.104 R)
• M55: 18,847,836 km (0.105 R)
• M56: 20,119,567 km (0.103 R)
• M57: 20,996,809 km (0.106 R)
• M58: 21,886,617 km (0.08 R)
• M59: 22,745,459 km (0.08 R)
• M60: 23,048,694 km (0.025 R)
• M61: 24,629,345 km (0.117 R)
• M62: 24,762,636 km (0.076 R)
• M63: 25,747,439 km (0.093 R)
• M64: 25,973,033 km (0.109 R)
• M65: 26,290,031 km (0.104 R)
• M66: 26,973,693 km (0.11 R)
• M67: 27,248,654 km (0.111 R)
• M68: 27,986,770 km (0.107 R)
• M69: 28,358,371 km (0.117 R)
• M70: 28,871,940 km (0.112 R)
• M71: 29,247,281 km (0.112 R)
• M72: 30,002,900 km (0.073 R)
• M73: 30,145,317 km (0.098 R)
• M74: 30,288,034 km (0.111 R)
• M75: 31,004,607 km (0.088 R)
• M76: 31,148,521 km (0.118 R)
• M77: 31,920,296 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.4

Radius: 13

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.57 AU - 7.15 AU

Year: 6629 Days

Day: 7.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 83,097,401 km

• M1: 162,912 km (0.113 R)
• M2: 274,811 km (0.063 R)
• M3: 871,408 km (0.107 R)
• M4: 1,136,046 km (0.116 R)
• M5: 2,015,981 km (0.111 R)
• M6: 2,169,020 km (0.098 R)
• M7: 2,280,620 km (0.096 R)
• M8: 3,476,355 km (0.054 R)
• M9: 3,822,226 km (0.061 R)
• M10: 4,404,760 km (0.066 R)
• M11: 4,896,787 km (0.059 R)
• M12: 4,985,499 km (0.117 R)
• M13: 5,590,622 km (0.09 R)
• M14: 5,933,351 km (0.116 R)
• M15: 6,091,476 km (0.093 R)
• M16: 6,283,111 km (0.108 R)
• M17: 6,412,064 km (0.107 R)
• M18: 6,574,378 km (0.081 R)
• M19: 6,936,404 km (0.099 R)
• M20: 7,852,542 km (0.077 R)
• M21: 8,236,709 km (0.029 R)
• M22: 8,484,443 km (0.056 R)
• M23: 8,627,010 km (0.096 R)
• M24: 8,951,039 km (0.102 R)
• M25: 9,352,410 km (0.048 R)
• M26: 10,059,709 km (0.105 R)
• M27: 10,210,803 km (0.093 R)
• M28: 10,668,722 km (0.07 R)
• M29: 11,802,973 km (0.094 R)
• M30: 12,283,481 km (0.09 R)
• M31: 12,688,891 km (0.069 R)
• M32: 13,181,218 km (0.096 R)
• M33: 14,057,862 km (0.078 R)
• M34: 14,738,382 km (0.089 R)
• M35: 15,516,890 km (0.045 R)
• M36: 16,043,324 km (0.059 R)
• M37: 16,888,852 km (0.087 R)
• M38: 17,430,396 km (0.086 R)
• M39: 17,794,517 km (0.092 R)
• M40: 18,902,140 km (0.106 R)
• M41: 19,135,812 km (0.059 R)
• M42: 19,747,517 km (0.102 R)
• M43: 21,087,017 km (0.112 R)
• M44: 21,280,746 km (0.119 R)
• M45: 21,865,524 km (0.046 R)
• M46: 22,406,320 km (0.1 R)
• M47: 22,604,089 km (0.078 R)
• M48: 23,400,697 km (0.086 R)
• M49: 23,601,458 km (0.1 R)
• M50: 24,358,872 km (0.095 R)
• M51: 24,562,175 km (0.063 R)
• M52: 26,105,128 km (0.093 R)
• M53: 26,678,686 km (0.03 R)
• M54: 26,783,554 km (0.095 R)
• M55: 27,256,582 km (0.115 R)
• M56: 27,362,049 km (0.119 R)
• M57: 28,104,354 km (0.085 R)
• M58: 28,424,493 km (0.097 R)
• M59: 28,638,568 km (0.03 R)
• M60: 29,825,776 km (0.076 R)
• M61: 29,988,838 km (0.107 R)
• M62: 30,644,376 km (0.093 R)
• M63: 30,919,038 km (0.104 R)
• M64: 31,470,455 km (0.063 R)
• M65: 31,636,658 km (0.091 R)
• M66: 33,313,501 km (0.108 R)
• M67: 33,709,038 km (0.055 R)
• M68: 34,219,765 km (0.04 R)
• M69: 34,333,609 km (0.108 R)
• M70: 35,076,662 km (0.102 R)
• M71: 35,421,335 km (0.032 R)
• M72: 36,695,011 km (0.104 R)
• M73: 36,811,548 km (0.089 R)
• M74: 38,101,530 km (0.112 R)
• M75: 38,455,928 km (0.096 R)
• M76: 38,692,891 km (0.114 R)
• M77: 39,406,323 km (0.099 R)
• M78: 39,585,392 km (0.102 R)
• M79: 40,184,232 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 12.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.74 AU - 14.06 AU

Year: 14202 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 83,097,401 km

• M1: 164,408 km (0.091 R)
• M2: 245,490 km (0.062 R)
• M3: 336,296 km (0.037 R)
• M4: 461,659 km (0.079 R)
• M5: 642,523 km (0.108 R)
• M6: 1,101,788 km (0.103 R)
• M7: 1,331,122 km (0.079 R)
• M8: 1,501,364 km (0.069 R)
• M9: 1,917,994 km (0.115 R)
• M10: 2,283,163 km (0.031 R)
• M11: 2,763,073 km (0.052 R)
• M12: 2,887,987 km (0.116 R)
• M13: 3,079,173 km (0.116 R)
• M14: 3,609,348 km (0.087 R)
• M15: 5,366,524 km (0.116 R)
• M16: 6,003,662 km (0.055 R)
• M17: 7,219,444 km (0.106 R)
• M18: 7,568,007 km (0.077 R)
• M19: 7,700,251 km (0.084 R)
• M20: 8,738,909 km (0.067 R)
• M21: 9,630,064 km (0.111 R)
• M22: 9,725,657 km (0.091 R)
• M23: 9,917,591 km (0.105 R)
• M24: 10,501,023 km (0.05 R)
• M25: 10,846,594 km (0.087 R)
• M26: 11,045,708 km (0.068 R)
• M27: 11,145,789 km (0.106 R)
• M28: 11,246,170 km (0.115 R)
• M29: 12,369,650 km (0.073 R)
• M30: 12,734,668 km (0.052 R)
• M31: 13,689,402 km (0.1 R)
• M32: 13,958,828 km (0.068 R)
• M33: 14,502,766 km (0.116 R)
• M34: 15,555,486 km (0.096 R)
• M35: 16,690,036 km (0.101 R)
• M36: 17,441,765 km (0.113 R)
• M37: 17,733,930 km (0.107 R)
• M38: 19,702,040 km (0.107 R)
• M39: 19,884,399 km (0.088 R)
• M40: 20,312,100 km (0.055 R)
• M41: 20,557,889 km (0.042 R)
• M42: 20,681,158 km (0.114 R)
• M43: 20,990,376 km (0.086 R)
• M44: 22,750,246 km (0.1 R)
• M45: 23,261,721 km (0.105 R)
• M46: 24,361,265 km (0.066 R)
• M47: 24,687,837 km (0.063 R)
• M48: 25,477,565 km (0.092 R)
• M49: 25,610,108 km (0.089 R)
• M50: 25,942,216 km (0.086 R)
• M51: 26,342,539 km (0.119 R)
• M52: 27,692,062 km (0.114 R)
• M53: 28,512,606 km (0.11 R)
• M54: 29,133,138 km (0.081 R)
• M55: 29,410,493 km (0.049 R)
• M56: 31,092,421 km (0.064 R)
• M57: 31,659,996 km (0.075 R)
• M58: 31,944,980 km (0.109 R)
• M59: 33,093,891 km (0.109 R)
• M60: 33,745,988 km (0.102 R)
• M61: 33,964,252 km (0.113 R)
• M62: 35,284,154 km (0.066 R)
• M63: 37,220,100 km (0.086 R)
• M64: 38,808,829 km (0.102 R)
• M65: 41,116,676 km (0.115 R)
• M66: 41,974,021 km (0.114 R)
• M67: 42,208,890 km (0.114 R)
• M68: 44,980,789 km (0.112 R)
• M69: 46,996,620 km (0.114 R)
• M70: 47,566,289 km (0.11 R)
• M71: 48,712,507 km (0.109 R)
• M72: 51,199,422 km (0.108 R)
• M73: 51,869,471 km (0.074 R)
• M74: 52,795,632 km (0.071 R)
• M75: 53,133,723 km (0.066 R)
• M76: 53,642,356 km (0.102 R)
• M77: 54,152,484 km (0.111 R)
• M78: 54,835,249 km (0.039 R)
• M79: 56,209,156 km (0.096 R)
• M80: 56,554,428 km (0.111 R)
• M81: 57,247,216 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817

Radius: 5.4

Gravity: 28.02 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 12.08 AU - 17.42 AU

Year: 20901 Days

Day: 17.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 83,097,401 km

• M1: 520,301 km (0.065 R)
• M2: 587,770 km (0.056 R)
• M3: 1,109,119 km (0.105 R)
• M4: 1,318,107 km (0.091 R)
• M5: 1,475,035 km (0.048 R)
• M6: 1,637,947 km (0.095 R)
• M7: 1,704,817 km (0.07 R)
• M8: 2,309,043 km (0.04 R)
• M9: 2,536,881 km (0.043 R)
• M10: 2,575,477 km (0.11 R)
• M11: 2,653,567 km (0.103 R)
• M12: 2,892,176 km (0.087 R)
• M13: 3,432,673 km (0.079 R)
• M14: 4,094,494 km (0.078 R)
• M15: 4,416,578 km (0.114 R)
• M16: 4,510,077 km (0.118 R)
• M17: 4,746,740 km (0.093 R)
• M18: 5,733,638 km (0.103 R)
• M19: 6,460,833 km (0.114 R)
• M20: 9,345,379 km (0.055 R)
• M21: 10,383,738 km (0.066 R)
• M22: 10,948,021 km (0.059 R)
• M23: 11,522,327 km (0.101 R)
• M24: 12,369,051 km (0.105 R)
• M25: 14,676,449 km (0.077 R)
• M26: 15,167,728 km (0.109 R)
• M27: 15,309,098 km (0.092 R)
• M28: 17,703,562 km (0.075 R)
• M29: 18,981,875 km (0.061 R)
• M30: 19,747,517 km (0.065 R)
• M31: 20,289,510 km (0.083 R)
• M32: 20,367,451 km (0.107 R)
• M33: 20,523,332 km (0.088 R)
• M34: 21,151,194 km (0.108 R)
• M35: 21,309,020 km (0.053 R)
• M36: 21,467,444 km (0.066 R)
• M37: 21,626,167 km (0.088 R)
• M38: 21,705,604 km (0.107 R)
• M39: 21,785,190 km (0.096 R)
• M40: 22,667,219 km (0.086 R)
• M41: 23,560,917 km (0.071 R)
• M42: 23,806,556 km (0.067 R)
• M43: 26,056,060 km (0.06 R)
• M44: 26,395,048 km (0.082 R)
• M45: 26,820,804 km (0.079 R)
• M46: 26,906,224 km (0.079 R)
• M47: 27,248,803 km (0.11 R)
• M48: 27,592,878 km (0.116 R)
• M49: 28,198,451 km (0.079 R)
• M50: 28,285,367 km (0.105 R)
• M51: 28,372,283 km (0.062 R)
• M52: 28,808,511 km (0.063 R)
• M53: 31,471,502 km (0.071 R)
• M54: 31,651,768 km (0.11 R)
• M55: 31,741,975 km (0.101 R)
• M56: 34,490,088 km (0.036 R)
• M57: 34,862,288 km (0.098 R)
• M58: 35,048,836 km (0.072 R)
• M59: 35,986,665 km (0.074 R)
• M60: 37,886,858 km (0.117 R)
• M61: 37,982,750 km (0.051 R)
• M62: 38,849,221 km (0.08 R)
• M63: 39,722,124 km (0.086 R)
• M64: 41,092,890 km (0.116 R)
• M65: 46,010,920 km (0.088 R)
• M66: 46,113,095 km (0.092 R)
• M67: 49,112,233 km (0.084 R)
• M68: 50,582,481 km (0.116 R)
• M69: 51,429,055 km (0.087 R)
• M70: 53,566,061 km (0.062 R)
• M71: 55,731,789 km (0.104 R)
• M72: 55,840,846 km (0.116 R)
• M73: 58,147,047 km (0.069 R)
• M74: 60,036,617 km (0.119 R)
• M75: 61,833,437 km (0.078 R)
• M76: 62,738,355 km (0.064 R)
• M77: 63,989,891 km (0.07 R)
• M78: 64,447,062 km (0.111 R)
• M79: 65,479,586 km (0.113 R)
• M80: 65,594,627 km (0.084 R)
• M81: 67,560,942 km (0.098 R)
• M82: 67,793,566 km (0.104 R)
• M83: 68,843,444 km (0.057 R)
• M84: 72,739,272 km (0.05 R)
• M85: 73,933,960 km (0.106 R)
• M86: 75,375,934 km (0.119 R)
• M87: 77,191,604 km (0.06 R)
• M88: 80,003,296 km (0.108 R)
• M89: 82,227,068 km (0.103 R)
• M90: 82,475,400 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 11,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit