🌌 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: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.65 AU

Year: 146 Days

Day: 12.2 Hours

Environment

Temp: 168 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,570,765 km

• M1: 266,434 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.49 AU - 0.79 AU

Year: 183 Days

Day: 35.8 Hours

Environment

Temp: 224 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.61 AU - 1.01 AU

Year: 261 Days

Day: 21.3 Hours

Environment

Temp: 130 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,570,765 km

• M1: 105,317 km (0.12 R)
• M2: 394,639 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.88 AU - 1.4 AU

Year: 436 Days

Day: 31.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,570,765 km

• M1: 402,717 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.4 AU - 2.04 AU

Year: 808 Days

Day: 45.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,570,765 km

• M1: 355,295 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.5

Radius: 13

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.64 AU - 6.1 AU

Year: 4457 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 50,570,765 km

• M1: 187,596 km (0.095 R)
• M2: 461,659 km (0.04 R)
• M3: 543,190 km (0.07 R)
• M4: 665,561 km (0.108 R)
• M5: 1,066,184 km (0.116 R)
• M6: 1,378,544 km (0.118 R)
• M7: 1,489,396 km (0.034 R)
• M8: 1,619,995 km (0.108 R)
• M9: 2,017,327 km (0.068 R)
• M10: 2,236,937 km (0.115 R)
• M11: 2,387,732 km (0.077 R)
• M12: 2,600,909 km (0.072 R)
• M13: 2,699,942 km (0.114 R)
• M14: 3,046,261 km (0.111 R)
• M15: 3,342,316 km (0.092 R)
• M16: 4,054,252 km (0.038 R)
• M17: 4,380,375 km (0.062 R)
• M18: 4,522,942 km (0.032 R)
• M19: 4,715,325 km (0.105 R)
• M20: 4,812,564 km (0.117 R)
• M21: 4,935,084 km (0.092 R)
• M22: 5,058,502 km (0.056 R)
• M23: 5,258,365 km (0.035 R)
• M24: 5,460,921 km (0.111 R)
• M25: 5,588,827 km (0.079 R)
• M26: 6,031,188 km (0.091 R)
• M27: 6,457,990 km (0.1 R)
• M28: 7,033,045 km (0.07 R)
• M29: 7,200,445 km (0.056 R)
• M30: 7,425,590 km (0.113 R)
• M31: 7,940,954 km (0.096 R)
• M32: 8,057,042 km (0.099 R)
• M33: 8,291,013 km (0.074 R)
• M34: 8,855,596 km (0.081 R)
• M35: 9,617,498 km (0.045 R)
• M36: 9,741,514 km (0.113 R)
• M37: 9,834,714 km (0.109 R)
• M38: 10,591,529 km (0.089 R)
• M39: 11,367,045 km (0.091 R)
• M40: 11,861,166 km (0.07 R)
• M41: 11,960,799 km (0.114 R)
• M42: 12,802,287 km (0.047 R)
• M43: 13,041,344 km (0.076 R)
• M44: 14,293,927 km (0.033 R)
• M45: 14,435,447 km (0.099 R)
• M46: 14,541,960 km (0.091 R)
• M47: 15,694,013 km (0.032 R)
• M48: 15,913,174 km (0.119 R)
• M49: 16,133,532 km (0.101 R)
• M50: 16,317,837 km (0.104 R)
• M51: 16,651,440 km (0.091 R)
• M52: 16,763,189 km (0.037 R)
• M53: 17,099,785 km (0.068 R)
• M54: 18,738,928 km (0.098 R)
• M55: 19,088,389 km (0.064 R)
• M56: 19,322,510 km (0.079 R)
• M57: 19,518,333 km (0.081 R)
• M58: 19,754,249 km (0.118 R)
• M59: 19,951,569 km (0.103 R)
• M60: 20,707,337 km (0.102 R)
• M61: 21,553,463 km (0.105 R)
• M62: 22,823,250 km (0.081 R)
• M63: 23,321,410 km (0.103 R)
• M64: 23,697,200 km (0.073 R)
• M65: 24,117,271 km (0.062 R)
• M66: 24,582,221 km (0.074 R)
• M67: 24,922,108 km (0.087 R)
• M68: 25,263,640 km (0.119 R)
• M69: 25,392,144 km (0.066 R)
• M70: 25,563,733 km (0.092 R)
• M71: 25,994,575 km (0.089 R)
• M72: 26,210,893 km (0.096 R)
• M73: 27,169,666 km (0.114 R)
• M74: 28,273,100 km (0.093 R)
• M75: 28,361,961 km (0.102 R)
• M76: 28,718,602 km (0.098 R)
• M77: 29,436,223 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.8

Radius: 14.9

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 10.34 AU - 12.12 AU

Year: 13479 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,570,765 km

• M1: 185,801 km (0.099 R)
• M2: 294,409 km (0.108 R)
• M3: 399,576 km (0.074 R)
• M4: 552,016 km (0.112 R)
• M5: 655,687 km (0.101 R)
• M6: 775,515 km (0.118 R)
• M7: 1,085,183 km (0.062 R)
• M8: 1,203,814 km (0.081 R)
• M9: 1,843,794 km (0.089 R)
• M10: 1,943,426 km (0.112 R)
• M11: 2,300,965 km (0.103 R)
• M12: 2,469,562 km (0.097 R)
• M13: 3,279,335 km (0.089 R)
• M14: 3,580,775 km (0.102 R)
• M15: 3,834,343 km (0.069 R)
• M16: 4,196,519 km (0.044 R)
• M17: 4,404,161 km (0.107 R)
• M18: 5,016,465 km (0.076 R)
• M19: 5,284,994 km (0.062 R)
• M20: 5,836,411 km (0.041 R)
• M21: 6,219,831 km (0.109 R)
• M22: 6,457,392 km (0.114 R)
• M23: 7,188,028 km (0.106 R)
• M24: 7,835,338 km (0.052 R)
• M25: 8,000,045 km (0.071 R)
• M26: 9,108,865 km (0.066 R)
• M27: 9,340,293 km (0.081 R)
• M28: 9,632,308 km (0.028 R)
• M29: 9,730,294 km (0.097 R)
• M30: 11,199,345 km (0.066 R)
• M31: 11,865,056 km (0.11 R)
• M32: 13,300,447 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 10.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 10.85 AU - 13.43 AU

Year: 15150 Days

Day: 8 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 50,570,765 km

• M1: 377,136 km (0.116 R)
• M2: 576,550 km (0.105 R)
• M3: 709,692 km (0.103 R)
• M4: 832,662 km (0.076 R)
• M5: 1,270,236 km (0.111 R)
• M6: 1,580,651 km (0.117 R)
• M7: 1,801,158 km (0.116 R)
• M8: 2,333,577 km (0.088 R)
• M9: 2,426,926 km (0.077 R)
• M10: 2,946,330 km (0.027 R)
• M11: 3,115,824 km (0.113 R)
• M12: 3,323,317 km (0.096 R)
• M13: 4,123,067 km (0.048 R)
• M14: 4,505,888 km (0.095 R)
• M15: 5,429,356 km (0.052 R)
• M16: 6,541,765 km (0.068 R)
• M17: 7,306,510 km (0.088 R)
• M18: 7,398,363 km (0.105 R)
• M19: 7,629,641 km (0.029 R)
• M20: 8,051,956 km (0.065 R)
• M21: 8,870,406 km (0.085 R)
• M22: 9,165,712 km (0.045 R)
• M23: 9,314,562 km (0.108 R)
• M24: 11,534,594 km (0.04 R)
• M25: 12,510,421 km (0.115 R)
• M26: 13,063,933 km (0.037 R)
• M27: 13,231,632 km (0.065 R)
• M28: 13,682,072 km (0.057 R)
• M29: 14,023,304 km (0.114 R)
• M30: 14,137,747 km (0.117 R)
• M31: 14,424,975 km (0.104 R)
• M32: 15,890,136 km (0.104 R)
• M33: 17,463,607 km (0.069 R)
• M34: 17,586,726 km (0.067 R)
• M35: 17,957,728 km (0.077 R)
• M36: 18,206,510 km (0.049 R)
• M37: 18,959,735 km (0.039 R)
• M38: 20,044,170 km (0.045 R)
• M39: 20,108,497 km (0.102 R)
• M40: 20,626,405 km (0.062 R)
• M41: 20,691,480 km (0.109 R)
• M42: 22,674,250 km (0.095 R)
• M43: 22,875,758 km (0.119 R)
• M44: 24,578,930 km (0.118 R)
• M45: 25,480,557 km (0.07 R)
• M46: 26,040,801 km (0.114 R)
• M47: 26,888,871 km (0.07 R)
• M48: 27,387,780 km (0.113 R)
• M49: 28,394,573 km (0.097 R)
• M50: 30,296,561 km (0.118 R)
• M51: 30,370,612 km (0.07 R)
• M52: 32,088,444 km (0.068 R)
• M53: 33,302,132 km (0.112 R)
• M54: 34,453,437 km (0.111 R)
• M55: 35,383,936 km (0.095 R)
• M56: 35,617,907 km (0.086 R)
• M57: 36,322,662 km (0.099 R)
• M58: 37,269,617 km (0.094 R)
• M59: 38,705,158 km (0.067 R)
• M60: 39,268,394 km (0.097 R)
• M61: 39,753,241 km (0.059 R)
• M62: 39,996,337 km (0.069 R)
• M63: 42,207,244 km (0.057 R)
• M64: 42,372,550 km (0.092 R)
• M65: 42,786,786 km (0.062 R)
• M66: 44,121,648 km (0.119 R)
• M67: 44,962,687 km (0.081 R)
• M68: 45,639,468 km (0.102 R)
• M69: 45,894,084 km (0.08 R)
• M70: 46,319,540 km (0.105 R)
• M71: 46,575,502 km (0.105 R)
• M72: 47,431,950 km (0.114 R)
• M73: 47,603,838 km (0.087 R)
• M74: 48,813,037 km (0.106 R)
• M75: 48,986,571 km (0.108 R)
• M76: 50,032,260 km (0.074 R)
• M77: 50,645,611 km (0.12 R)
• M78: 50,733,425 km (0.103 R)
• M79: 52,145,629 km (0.115 R)
• M80: 52,234,341 km (0.079 R)
• M81: 54,288,170 km (0.083 R)
• M82: 54,738,160 km (0.12 R)
• M83: 54,828,218 km (0.079 R)
• M84: 55,008,633 km (0.068 R)
• M85: 57,189,172 km (0.091 R)
• M86: 57,463,684 km (0.072 R)
• M87: 58,290,062 km (0.096 R)
• M88: 59,490,436 km (0.109 R)
• M89: 60,512,638 km (0.077 R)
• M90: 61,072,583 km (0.109 R)
• M91: 61,259,580 km (0.107 R)
• M92: 62,385,902 km (0.1 R)
• M93: 62,762,889 km (0.062 R)
• M94: 62,951,532 km (0.114 R)
• M95: 63,140,474 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.3

Radius: 5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 14.94 AU - 22.94 AU

Year: 29522 Days

Day: 17.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 50,570,765 km

• M1: 66,721 km (0.046 R)
• M2: 249,978 km (0.048 R)
• M3: 695,929 km (0.106 R)
• M4: 1,904,830 km (0.116 R)
• M5: 2,651,473 km (0.111 R)
• M6: 3,728,129 km (0.106 R)
• M7: 3,759,843 km (0.115 R)
• M8: 3,855,287 km (0.039 R)
• M9: 4,377,982 km (0.091 R)
• M10: 6,719,787 km (0.118 R)
• M11: 6,913,516 km (0.077 R)
• M12: 7,030,502 km (0.05 R)
• M13: 7,425,739 km (0.106 R)
• M14: 7,828,008 km (0.052 R)
• M15: 8,403,062 km (0.059 R)
• M16: 9,811,676 km (0.089 R)
• M17: 9,943,322 km (0.075 R)
• M18: 10,164,128 km (0.108 R)
• M19: 11,429,726 km (0.086 R)
• M20: 13,614,304 km (0.032 R)
• M21: 16,284,925 km (0.082 R)
• M22: 16,911,590 km (0.062 R)
• M23: 17,492,778 km (0.025 R)
• M24: 18,080,548 km (0.053 R)
• M25: 19,827,103 km (0.107 R)
• M26: 20,104,907 km (0.113 R)
• M27: 22,142,130 km (0.111 R)
• M28: 22,257,321 km (0.05 R)
• M29: 23,068,590 km (0.115 R)
• M30: 23,360,605 km (0.113 R)
• M31: 24,184,889 km (0.101 R)
• M32: 24,244,130 km (0.087 R)
• M33: 24,362,761 km (0.105 R)
• M34: 26,653,254 km (0.079 R)
• M35: 26,898,445 km (0.115 R)
• M36: 27,329,137 km (0.057 R)
• M37: 27,824,007 km (0.047 R)
• M38: 28,697,509 km (0.072 R)
• M39: 30,024,293 km (0.084 R)
• M40: 30,984,262 km (0.114 R)
• M41: 32,345,004 km (0.111 R)
• M42: 33,197,114 km (0.099 R)
• M43: 35,258,573 km (0.051 R)
• M44: 35,393,061 km (0.086 R)
• M45: 35,460,380 km (0.103 R)
• M46: 36,542,571 km (0.107 R)
• M47: 37,566,868 km (0.068 R)
• M48: 39,643,735 km (0.11 R)
• M49: 41,971,029 km (0.037 R)
• M50: 42,184,804 km (0.119 R)
• M51: 42,685,060 km (0.114 R)
• M52: 43,547,043 km (0.057 R)
• M53: 43,619,149 km (0.105 R)
• M54: 50,268,026 km (0.119 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 12,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit