🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.75 AU - 1.05 AU

Year: 355 Days

Day: 20.1 Hours

Environment

Temp: -30 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.24 AU

Year: 441 Days

Day: 46.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.97 AU - 1.29 AU

Year: 500 Days

Day: 17.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 134.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,552,226 km

• M1: 1,000,810 km (0.108 R)
• M2: 1,131,259 km (0.03 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.15 AU - 1.45 AU

Year: 617 Days

Day: 43 Hours

Environment

Temp: -63 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.32 AU - 2.18 AU

Year: 964 Days

Day: 43.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.99 AU - 2.47 AU

Year: 1386 Days

Day: 34.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,552,226 km

• M1: 1,001,109 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 12.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.59 AU - 6.27 AU

Year: 5267 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 64,552,226 km

• M1: 216,319 km (0.12 R)
• M2: 406,308 km (0.059 R)
• M3: 636,240 km (0.098 R)
• M4: 786,586 km (0.086 R)
• M5: 1,125,874 km (0.08 R)
• M6: 1,254,229 km (0.073 R)
• M7: 1,495,081 km (0.085 R)
• M8: 1,669,662 km (0.096 R)
• M9: 2,127,581 km (0.108 R)
• M10: 2,623,947 km (0.095 R)
• M11: 2,797,480 km (0.078 R)
• M12: 3,508,818 km (0.082 R)
• M13: 3,743,836 km (0.089 R)
• M14: 4,502,746 km (0.038 R)
• M15: 4,876,442 km (0.097 R)
• M16: 5,091,115 km (0.097 R)
• M17: 5,260,160 km (0.107 R)
• M18: 5,505,052 km (0.114 R)
• M19: 6,082,649 km (0.067 R)
• M20: 6,811,939 km (0.101 R)
• M21: 7,349,743 km (0.029 R)
• M22: 7,901,460 km (0.077 R)
• M23: 8,069,608 km (0.108 R)
• M24: 8,182,256 km (0.066 R)
• M25: 8,380,922 km (0.106 R)
• M26: 8,667,401 km (0.042 R)
• M27: 8,898,979 km (0.096 R)
• M28: 8,986,344 km (0.059 R)
• M29: 9,132,501 km (0.097 R)
• M30: 9,397,738 km (0.063 R)
• M31: 9,486,749 km (0.05 R)
• M32: 9,875,703 km (0.099 R)
• M33: 10,026,648 km (0.1 R)
• M34: 10,422,783 km (0.085 R)
• M35: 11,042,268 km (0.111 R)
• M36: 11,136,215 km (0.082 R)
• M37: 11,262,027 km (0.086 R)
• M38: 11,356,573 km (0.11 R)
• M39: 11,546,562 km (0.085 R)
• M40: 12,577,591 km (0.072 R)
• M41: 12,675,727 km (0.09 R)
• M42: 13,336,800 km (0.072 R)
• M43: 13,705,259 km (0.071 R)
• M44: 14,349,428 km (0.119 R)
• M45: 14,452,052 km (0.067 R)
• M46: 14,554,975 km (0.11 R)
• M47: 15,597,074 km (0.058 R)
• M48: 15,843,761 km (0.097 R)
• M49: 16,020,735 km (0.041 R)
• M50: 16,162,853 km (0.056 R)
• M51: 16,412,382 km (0.111 R)
• M52: 17,096,344 km (0.102 R)
• M53: 18,380,642 km (0.051 R)
• M54: 18,529,491 km (0.116 R)
• M55: 20,038,934 km (0.097 R)
• M56: 20,192,122 km (0.075 R)
• M57: 20,422,503 km (0.066 R)
• M58: 21,196,821 km (0.054 R)
• M59: 21,705,454 km (0.11 R)
• M60: 21,823,337 km (0.11 R)
• M61: 22,297,114 km (0.07 R)
• M62: 22,376,550 km (0.057 R)
• M63: 23,214,897 km (0.055 R)
• M64: 23,415,956 km (0.119 R)
• M65: 23,698,547 km (0.098 R)
• M66: 24,104,256 km (0.1 R)
• M67: 24,922,407 km (0.09 R)
• M68: 25,542,041 km (0.12 R)
• M69: 25,874,448 km (0.025 R)
• M70: 25,999,512 km (0.071 R)
• M71: 27,176,697 km (0.102 R)
• M72: 27,473,649 km (0.074 R)
• M73: 28,028,059 km (0.093 R)
• M74: 28,285,217 km (0.104 R)
• M75: 28,414,021 km (0.113 R)
• M76: 28,543,124 km (0.078 R)
• M77: 28,931,480 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517

Radius: 13.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.79 AU - 10.03 AU

Year: 12985 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 64,552,226 km

• M1: 177,573 km (0.112 R)
• M2: 283,937 km (0.112 R)
• M3: 522,845 km (0.078 R)
• M4: 647,011 km (0.043 R)
• M5: 818,899 km (0.105 R)
• M6: 911,051 km (0.102 R)
• M7: 1,027,139 km (0.107 R)
• M8: 1,340,696 km (0.113 R)
• M9: 1,709,156 km (0.079 R)
• M10: 2,109,779 km (0.114 R)
• M11: 2,484,821 km (0.114 R)
• M12: 3,057,481 km (0.103 R)
• M13: 4,490,928 km (0.079 R)
• M14: 5,010,033 km (0.069 R)
• M15: 5,116,098 km (0.093 R)
• M16: 5,223,060 km (0.087 R)
• M17: 5,330,621 km (0.056 R)
• M18: 5,584,788 km (0.099 R)
• M19: 6,180,636 km (0.119 R)
• M20: 6,486,264 km (0.063 R)
• M21: 6,718,889 km (0.073 R)
• M22: 7,352,436 km (0.118 R)
• M23: 7,473,311 km (0.031 R)
• M24: 8,507,033 km (0.102 R)
• M25: 8,804,583 km (0.065 R)
• M26: 9,279,107 km (0.036 R)
• M27: 10,706,570 km (0.094 R)
• M28: 10,798,124 km (0.116 R)
• M29: 10,935,754 km (0.044 R)
• M30: 11,399,208 km (0.108 R)
• M31: 11,821,673 km (0.075 R)
• M32: 13,120,182 km (0.079 R)
• M33: 13,563,141 km (0.117 R)
• M34: 13,662,175 km (0.045 R)
• M35: 14,111,118 km (0.047 R)
• M36: 14,921,191 km (0.085 R)
• M37: 15,126,140 km (0.075 R)
• M38: 15,228,914 km (0.053 R)
• M39: 16,374,983 km (0.071 R)
• M40: 17,065,228 km (0.061 R)
• M41: 17,548,728 km (0.087 R)
• M42: 18,474,439 km (0.103 R)
• M43: 18,694,498 km (0.083 R)
• M44: 19,192,958 km (0.073 R)
• M45: 19,527,608 km (0.048 R)
• M46: 20,259,441 km (0.068 R)
• M47: 20,657,372 km (0.116 R)
• M48: 21,402,967 km (0.087 R)
• M49: 21,518,457 km (0.099 R)
• M50: 21,982,659 km (0.039 R)
• M51: 23,812,091 km (0.102 R)
• M52: 25,018,299 km (0.062 R)
• M53: 25,506,287 km (0.101 R)
• M54: 26,120,835 km (0.104 R)
• M55: 26,429,905 km (0.073 R)
• M56: 26,615,855 km (0.087 R)
• M57: 26,989,251 km (0.118 R)
• M58: 27,176,548 km (0.064 R)
• M59: 27,930,222 km (0.095 R)
• M60: 28,246,322 km (0.119 R)
• M61: 28,436,461 km (0.059 R)
• M62: 28,627,198 km (0.076 R)
• M63: 29,009,720 km (0.12 R)
• M64: 29,137,626 km (0.073 R)
• M65: 31,274,931 km (0.068 R)
• M66: 31,405,979 km (0.098 R)
• M67: 31,668,822 km (0.111 R)
• M68: 32,927,539 km (0.09 R)
• M69: 33,261,441 km (0.116 R)
• M70: 33,663,560 km (0.1 R)
• M71: 34,067,474 km (0.113 R)
• M72: 35,493,441 km (0.066 R)
• M73: 35,973,052 km (0.069 R)
• M74: 37,843,325 km (0.109 R)
• M75: 38,543,891 km (0.046 R)
• M76: 40,314,382 km (0.112 R)
• M77: 40,528,606 km (0.113 R)
• M78: 41,245,479 km (0.114 R)
• M79: 41,389,392 km (0.053 R)
• M80: 43,055,913 km (0.111 R)
• M81: 44,522,869 km (0.065 R)
• M82: 45,782,633 km (0.101 R)
• M83: 46,080,782 km (0.117 R)
• M84: 46,454,328 km (0.115 R)
• M85: 46,604,075 km (0.072 R)
• M86: 46,828,921 km (0.113 R)
• M87: 47,204,561 km (0.079 R)
• M88: 47,505,701 km (0.104 R)
• M89: 49,479,047 km (0.038 R)
• M90: 50,091,501 km (0.055 R)
• M91: 50,475,668 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.4

Radius: 5.7

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 9.49 AU - 13.93 AU

Year: 16679 Days

Day: 18.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 64,552,226 km

• M1: 213,775 km (0.086 R)
• M2: 372,947 km (0.084 R)
• M3: 625,917 km (0.088 R)
• M4: 1,018,612 km (0.106 R)
• M5: 1,368,970 km (0.112 R)
• M6: 1,584,989 km (0.114 R)
• M7: 1,958,984 km (0.091 R)
• M8: 2,171,413 km (0.033 R)
• M9: 2,684,534 km (0.106 R)
• M10: 2,920,599 km (0.085 R)
• M11: 3,412,477 km (0.096 R)
• M12: 3,448,680 km (0.079 R)
• M13: 3,521,235 km (0.078 R)
• M14: 3,594,388 km (0.116 R)
• M15: 4,197,716 km (0.099 R)
• M16: 4,954,233 km (0.1 R)
• M17: 6,099,704 km (0.096 R)
• M18: 6,365,090 km (0.074 R)
• M19: 7,044,713 km (0.117 R)
• M20: 7,229,915 km (0.117 R)
• M21: 7,276,440 km (0.04 R)
• M22: 7,557,684 km (0.074 R)
• M23: 9,369,763 km (0.064 R)
• M24: 9,727,153 km (0.081 R)
• M25: 11,146,537 km (0.055 R)
• M26: 12,294,701 km (0.119 R)
• M27: 12,967,443 km (0.06 R)
• M28: 13,137,535 km (0.075 R)
• M29: 13,709,747 km (0.103 R)
• M30: 13,882,982 km (0.108 R)
• M31: 14,348,530 km (0.106 R)
• M32: 15,594,830 km (0.097 R)
• M33: 17,309,670 km (0.083 R)
• M34: 17,372,053 km (0.096 R)
• M35: 18,762,415 km (0.058 R)
• M36: 19,341,509 km (0.1 R)
• M37: 19,600,762 km (0.112 R)
• M38: 21,113,645 km (0.087 R)
• M39: 21,447,398 km (0.053 R)
• M40: 21,648,607 km (0.06 R)
• M41: 21,715,777 km (0.116 R)
• M42: 22,188,057 km (0.103 R)
• M43: 22,459,428 km (0.098 R)
• M44: 23,417,751 km (0.105 R)
• M45: 23,832,586 km (0.109 R)
• M46: 23,902,000 km (0.112 R)
• M47: 25,587,220 km (0.111 R)
• M48: 26,157,337 km (0.091 R)
• M49: 26,372,309 km (0.085 R)
• M50: 26,948,112 km (0.077 R)
• M51: 27,237,733 km (0.044 R)
• M52: 28,185,735 km (0.084 R)
• M53: 28,259,187 km (0.059 R)
• M54: 28,406,092 km (0.027 R)
• M55: 28,553,297 km (0.111 R)
• M56: 28,922,355 km (0.094 R)
• M57: 29,964,154 km (0.094 R)
• M58: 30,640,486 km (0.089 R)
• M59: 31,018,371 km (0.054 R)
• M60: 31,169,913 km (0.115 R)
• M61: 32,468,273 km (0.106 R)
• M62: 32,930,680 km (0.058 R)
• M63: 33,008,022 km (0.119 R)
• M64: 35,512,889 km (0.112 R)
• M65: 35,830,186 km (0.061 R)
• M66: 36,308,151 km (0.058 R)
• M67: 36,788,061 km (0.09 R)
• M68: 37,028,764 km (0.108 R)
• M69: 37,109,248 km (0.105 R)
• M70: 37,835,097 km (0.076 R)
• M71: 37,916,179 km (0.102 R)
• M72: 38,240,507 km (0.085 R)
• M73: 39,055,516 km (0.1 R)
• M74: 40,206,073 km (0.108 R)
• M75: 40,951,669 km (0.094 R)
• M76: 43,300,056 km (0.096 R)
• M77: 44,064,202 km (0.084 R)
• M78: 44,319,865 km (0.025 R)
• M79: 44,405,286 km (0.104 R)
• M80: 45,691,827 km (0.109 R)
• M81: 48,126,233 km (0.095 R)
• M82: 48,213,898 km (0.107 R)
• M83: 48,477,489 km (0.11 R)
• M84: 50,335,196 km (0.119 R)
• M85: 50,959,467 km (0.051 R)
• M86: 52,396,355 km (0.079 R)
• M87: 57,808,357 km (0.087 R)
• M88: 59,965,708 km (0.03 R)
• M89: 62,627,503 km (0.109 R)
• M90: 63,202,856 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 17,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit