🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.61 AU - 1.01 AU

Year: 269 Days

Day: 45.2 Hours

Environment

Temp: 89 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.86 AU - 1.02 AU

Year: 336 Days

Day: 43.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 11.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.59 AU - 2.63 AU

Year: 1131 Days

Day: 18.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 177.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.16 AU - 2.92 AU

Year: 1494 Days

Day: 47.8 Hours

Environment

Temp: -94 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.39 AU - 3.71 AU

Year: 2468 Days

Day: 44.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 13.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.68 AU - 4.92 AU

Year: 3880 Days

Day: 12.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 76,687,665 km

• M1: 195,225 km (0.066 R)
• M2: 308,321 km (0.038 R)
• M3: 637,586 km (0.07 R)
• M4: 881,281 km (0.025 R)
• M5: 1,254,528 km (0.086 R)
• M6: 1,520,662 km (0.102 R)
• M7: 1,821,803 km (0.063 R)
• M8: 2,022,114 km (0.045 R)
• M9: 2,212,253 km (0.108 R)
• M10: 2,499,631 km (0.104 R)
• M11: 2,895,317 km (0.089 R)
• M12: 3,090,991 km (0.099 R)
• M13: 3,190,474 km (0.119 R)
• M14: 3,331,545 km (0.111 R)
• M15: 3,454,215 km (0.109 R)
• M16: 3,746,379 km (0.102 R)
• M17: 3,874,136 km (0.109 R)
• M18: 3,960,005 km (0.099 R)
• M19: 4,221,802 km (0.101 R)
• M20: 4,557,200 km (0.108 R)
• M21: 4,924,612 km (0.118 R)
• M22: 5,349,470 km (0.115 R)
• M23: 5,517,917 km (0.111 R)
• M24: 5,959,231 km (0.099 R)
• M25: 6,259,923 km (0.118 R)
• M26: 6,463,077 km (0.073 R)
• M27: 6,928,326 km (0.072 R)
• M28: 7,138,661 km (0.045 R)
• M29: 7,511,907 km (0.117 R)
• M30: 7,619,768 km (0.097 R)
• M31: 8,001,093 km (0.11 R)
• M32: 8,641,371 km (0.114 R)
• M33: 8,953,433 km (0.1 R)
• M34: 9,298,106 km (0.08 R)
• M35: 9,472,088 km (0.074 R)
• M36: 9,823,344 km (0.115 R)
• M37: 10,508,652 km (0.117 R)
• M38: 10,933,360 km (0.075 R)
• M39: 11,209,368 km (0.068 R)
• M40: 11,674,618 km (0.096 R)
• M41: 12,082,870 km (0.089 R)
• M42: 12,623,966 km (0.065 R)
• M43: 13,466,800 km (0.109 R)
• M44: 13,630,909 km (0.1 R)
• M45: 13,795,766 km (0.047 R)
• M46: 14,629,924 km (0.086 R)
• M47: 14,798,820 km (0.108 R)
• M48: 14,968,165 km (0.064 R)
• M49: 16,557,343 km (0.09 R)
• M50: 17,550,822 km (0.12 R)
• M51: 18,127,223 km (0.038 R)
• M52: 18,308,535 km (0.093 R)
• M53: 18,490,596 km (0.054 R)
• M54: 19,040,219 km (0.115 R)
• M55: 19,558,126 km (0.107 R)
• M56: 19,669,726 km (0.101 R)
• M57: 19,781,476 km (0.077 R)
• M58: 20,418,913 km (0.058 R)
• M59: 20,569,857 km (0.073 R)
• M60: 20,986,936 km (0.084 R)
• M61: 21,215,671 km (0.062 R)
• M62: 21,483,601 km (0.072 R)
• M63: 21,752,578 km (0.105 R)
• M64: 22,022,602 km (0.118 R)
• M65: 22,605,136 km (0.078 R)
• M66: 22,878,750 km (0.118 R)
• M67: 22,996,334 km (0.119 R)
• M68: 23,310,939 km (0.076 R)
• M69: 23,508,258 km (0.084 R)
• M70: 23,864,900 km (0.103 R)
• M71: 24,024,072 km (0.115 R)
• M72: 24,423,199 km (0.088 R)
• M73: 26,205,807 km (0.058 R)
• M74: 26,328,926 km (0.117 R)
• M75: 27,029,942 km (0.111 R)
• M76: 27,570,140 km (0.117 R)
• M77: 27,904,491 km (0.11 R)
• M78: 27,988,266 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.7

Radius: 12.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.15 AU - 8.85 AU

Year: 9143 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 76,687,665 km

• M1: 345,721 km (0.117 R)
• M2: 971,040 km (0.112 R)
• M3: 1,049,279 km (0.06 R)
• M4: 1,435,092 km (0.084 R)
• M5: 1,892,563 km (0.058 R)
• M6: 2,021,217 km (0.111 R)
• M7: 2,167,673 km (0.105 R)
• M8: 2,471,506 km (0.092 R)
• M9: 2,565,454 km (0.099 R)
• M10: 4,300,939 km (0.114 R)
• M11: 4,395,485 km (0.104 R)
• M12: 4,879,434 km (0.103 R)
• M13: 5,482,762 km (0.065 R)
• M14: 5,751,589 km (0.068 R)
• M15: 5,982,568 km (0.118 R)
• M16: 6,237,932 km (0.075 R)
• M17: 6,475,194 km (0.114 R)
• M18: 7,614,083 km (0.037 R)
• M19: 8,669,945 km (0.116 R)
• M20: 9,325,333 km (0.12 R)
• M21: 9,996,878 km (0.082 R)
• M22: 11,517,989 km (0.12 R)
• M23: 11,783,076 km (0.073 R)
• M24: 12,023,181 km (0.041 R)
• M25: 13,137,984 km (0.109 R)
• M26: 13,665,765 km (0.12 R)
• M27: 14,857,013 km (0.054 R)
• M28: 15,261,526 km (0.113 R)
• M29: 15,816,235 km (0.119 R)
• M30: 16,496,756 km (0.11 R)
• M31: 16,705,744 km (0.093 R)
• M32: 17,065,975 km (0.065 R)
• M33: 17,307,726 km (0.082 R)
• M34: 17,550,523 km (0.12 R)
• M35: 17,978,074 km (0.105 R)
• M36: 18,131,711 km (0.093 R)
• M37: 18,750,298 km (0.118 R)
• M38: 18,906,029 km (0.091 R)
• M39: 19,596,274 km (0.101 R)
• M40: 19,817,679 km (0.074 R)
• M41: 20,231,018 km (0.096 R)
• M42: 20,486,830 km (0.11 R)
• M43: 20,872,643 km (0.103 R)
• M44: 21,163,461 km (0.103 R)
• M45: 21,553,313 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 6.3

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 11.98 AU - 13.48 AU

Year: 16758 Days

Day: 23.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 61.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 76,687,665 km

• M1: 113,994 km (0.114 R)
• M2: 391,198 km (0.118 R)
• M3: 554,709 km (0.081 R)
• M4: 830,119 km (0.061 R)
• M5: 1,380,938 km (0.086 R)
• M6: 1,493,585 km (0.111 R)
• M7: 1,539,512 km (0.106 R)
• M8: 1,656,348 km (0.114 R)
• M9: 1,800,410 km (0.059 R)
• M10: 2,204,773 km (0.117 R)
• M11: 2,283,611 km (0.062 R)
• M12: 2,553,486 km (0.103 R)
• M13: 2,833,533 km (0.1 R)
• M14: 3,514,503 km (0.086 R)
• M15: 3,606,954 km (0.053 R)
• M16: 4,178,418 km (0.062 R)
• M17: 4,949,146 km (0.075 R)
• M18: 5,087,674 km (0.046 R)
• M19: 5,297,859 km (0.116 R)
• M20: 5,404,073 km (0.088 R)
• M21: 5,762,959 km (0.082 R)
• M22: 6,541,765 km (0.081 R)
• M23: 6,655,609 km (0.107 R)
• M24: 6,808,648 km (0.082 R)
• M25: 7,952,024 km (0.088 R)
• M26: 8,155,029 km (0.062 R)
• M27: 8,277,699 km (0.096 R)
• M28: 8,984,549 km (0.076 R)
• M29: 9,797,015 km (0.106 R)
• M30: 10,234,140 km (0.1 R)
• M31: 10,322,403 km (0.075 R)
• M32: 10,722,278 km (0.106 R)
• M33: 10,767,008 km (0.065 R)
• M34: 10,811,887 km (0.092 R)
• M35: 11,952,421 km (0.102 R)
• M36: 12,325,369 km (0.094 R)
• M37: 13,130,654 km (0.115 R)
• M38: 13,322,588 km (0.109 R)
• M39: 13,855,156 km (0.059 R)
• M40: 14,741,673 km (0.054 R)
• M41: 15,292,493 km (0.063 R)
• M42: 15,443,886 km (0.104 R)
• M43: 15,494,450 km (0.055 R)
• M44: 15,595,728 km (0.048 R)
• M45: 17,879,638 km (0.11 R)
• M46: 18,252,586 km (0.091 R)
• M47: 18,466,810 km (0.073 R)
• M48: 18,789,642 km (0.07 R)
• M49: 19,824,560 km (0.05 R)
• M50: 20,321,225 km (0.045 R)
• M51: 21,157,926 km (0.107 R)
• M52: 21,949,149 km (0.072 R)
• M53: 22,233,984 km (0.082 R)
• M54: 22,348,276 km (0.111 R)
• M55: 22,634,906 km (0.038 R)
• M56: 23,153,861 km (0.089 R)
• M57: 24,144,797 km (0.086 R)
• M58: 24,203,589 km (0.111 R)
• M59: 25,149,646 km (0.116 R)
• M60: 25,268,726 km (0.081 R)
• M61: 25,567,323 km (0.106 R)
• M62: 26,167,959 km (0.119 R)
• M63: 27,383,142 km (0.093 R)
• M64: 28,492,560 km (0.082 R)
• M65: 28,554,643 km (0.105 R)
• M66: 29,177,718 km (0.099 R)
• M67: 31,265,506 km (0.075 R)
• M68: 32,295,039 km (0.116 R)
• M69: 32,944,144 km (0.078 R)
• M70: 33,270,267 km (0.109 R)
• M71: 33,794,309 km (0.097 R)
• M72: 33,925,805 km (0.097 R)
• M73: 34,453,287 km (0.048 R)
• M74: 34,784,347 km (0.07 R)
• M75: 35,583,200 km (0.059 R)
• M76: 36,455,356 km (0.11 R)
• M77: 37,266,774 km (0.11 R)
• M78: 37,470,527 km (0.1 R)
• M79: 37,947,445 km (0.039 R)
• M80: 38,015,811 km (0.094 R)
• M81: 39,321,052 km (0.091 R)
• M82: 40,431,667 km (0.057 R)
• M83: 41,061,025 km (0.104 R)
• M84: 41,411,982 km (0.108 R)
• M85: 41,482,293 km (0.067 R)
• M86: 42,825,831 km (0.059 R)
• M87: 42,896,890 km (0.066 R)
• M88: 42,968,099 km (0.088 R)
• M89: 44,327,345 km (0.03 R)
• M90: 45,991,472 km (0.117 R)
• M91: 48,859,712 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.3

Radius: 6.4

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 17.99 AU - 19.89 AU

Year: 30412 Days

Day: 20.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 76,687,665 km

• M1: 115,190 km (0.084 R)
• M2: 234,569 km (0.12 R)
• M3: 786,586 km (0.063 R)
• M4: 885,171 km (0.071 R)
• M5: 1,378,544 km (0.111 R)
• M6: 1,438,084 km (0.088 R)
• M7: 1,684,622 km (0.067 R)
• M8: 2,648,929 km (0.052 R)
• M9: 4,890,803 km (0.103 R)
• M10: 5,591,968 km (0.047 R)
• M11: 6,224,917 km (0.1 R)
• M12: 6,274,583 km (0.045 R)
• M13: 6,575,126 km (0.074 R)
• M14: 7,346,901 km (0.105 R)
• M15: 8,474,719 km (0.051 R)
• M16: 8,974,526 km (0.091 R)
• M17: 11,735,355 km (0.111 R)
• M18: 11,796,839 km (0.09 R)
• M19: 12,043,526 km (0.114 R)
• M20: 12,167,393 km (0.051 R)
• M21: 13,558,953 km (0.069 R)
• M22: 13,687,906 km (0.084 R)
• M23: 13,817,308 km (0.107 R)
• M24: 14,142,534 km (0.117 R)
• M25: 14,273,432 km (0.116 R)
• M26: 14,338,956 km (0.093 R)
• M27: 14,668,221 km (0.073 R)
• M28: 15,671,125 km (0.092 R)
• M29: 15,806,511 km (0.087 R)
• M30: 18,380,193 km (0.112 R)
• M31: 18,523,059 km (0.118 R)
• M32: 20,191,374 km (0.108 R)
• M33: 21,380,079 km (0.11 R)
• M34: 24,842,671 km (0.082 R)
• M35: 25,238,058 km (0.092 R)
• M36: 25,715,276 km (0.039 R)
• M37: 25,795,161 km (0.072 R)
• M38: 27,408,723 km (0.088 R)
• M39: 28,640,363 km (0.047 R)
• M40: 29,304,428 km (0.049 R)
• M41: 29,806,029 km (0.083 R)
• M42: 30,394,547 km (0.095 R)
• M43: 30,817,461 km (0.11 R)
• M44: 30,987,105 km (0.081 R)
• M45: 32,441,794 km (0.102 R)
• M46: 32,960,450 km (0.109 R)
• M47: 33,133,984 km (0.081 R)
• M48: 33,743,595 km (0.104 R)
• M49: 35,506,007 km (0.093 R)
• M50: 35,594,869 km (0.063 R)
• M51: 37,117,476 km (0.083 R)
• M52: 40,504,072 km (0.058 R)
• M53: 43,416,593 km (0.102 R)
• M54: 46,882,477 km (0.106 R)
• M55: 47,370,914 km (0.048 R)
• M56: 48,451,310 km (0.045 R)
• M57: 48,648,629 km (0.104 R)
• M58: 48,747,364 km (0.109 R)
• M59: 50,336,392 km (0.074 R)
• M60: 50,636,186 km (0.111 R)
• M61: 51,942,475 km (0.082 R)
• M62: 52,043,304 km (0.115 R)
• M63: 52,751,650 km (0.095 R)
• M64: 53,565,163 km (0.082 R)
• M65: 54,895,836 km (0.088 R)
• M66: 56,133,908 km (0.053 R)
• M67: 57,068,297 km (0.103 R)
• M68: 57,172,566 km (0.028 R)
• M69: 58,532,261 km (0.111 R)
• M70: 58,742,446 km (0.089 R)
• M71: 60,751,097 km (0.108 R)
• M72: 60,963,975 km (0.08 R)
• M73: 61,176,852 km (0.104 R)
• M74: 64,076,658 km (0.051 R)
• M75: 65,270,748 km (0.09 R)
• M76: 66,143,951 km (0.039 R)
• M77: 67,240,653 km (0.118 R)
• M78: 67,791,322 km (0.111 R)
• M79: 69,008,002 km (0.091 R)
• M80: 69,341,156 km (0.069 R)
• M81: 70,120,412 km (0.107 R)
• M82: 71,238,656 km (0.06 R)
• M83: 72,701,124 km (0.06 R)
• M84: 73,492,796 km (0.114 R)
• M85: 73,946,377 km (0.112 R)
• M86: 75,541,390 km (0.097 R)
• M87: 76,113,751 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 14,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit