🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.52 AU - 0.6 AU

Year: 157 Days

Day: 22.1 Hours

Environment

Temp: 198 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.86 AU - 1.1 AU

Year: 364 Days

Day: 33.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.09 AU - 1.37 AU

Year: 511 Days

Day: 21.4 Hours

Environment

Temp: -16 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.16 AU - 1.92 AU

Year: 716 Days

Day: 34.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.46 AU - 1.76 AU

Year: 766 Days

Day: 25.8 Hours

Environment

Temp: -57 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,635,338 km

• M1: 417,378 km (0.052 R)
• M2: 622,178 km (0.047 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.87 AU - 2.15 AU

Year: 1068 Days

Day: 36 Hours

Environment

Temp: -66 °C

Axial Tilt: 141.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.94 AU - 2.76 AU

Year: 1350 Days

Day: 27.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.58 AU - 2.98 AU

Year: 1737 Days

Day: 24.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 12.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353

Radius: 4.5

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 9.46 AU - 15.48 AU

Year: 16502 Days

Day: 18.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 82,635,338 km

• M1: 255,214 km (0.089 R)
• M2: 533,915 km (0.109 R)
• M3: 637,437 km (0.069 R)
• M4: 824,284 km (0.106 R)
• M5: 1,070,074 km (0.103 R)
• M6: 1,201,420 km (0.117 R)
• M7: 1,751,193 km (0.098 R)
• M8: 1,853,966 km (0.116 R)
• M9: 1,985,164 km (0.038 R)
• M10: 2,092,276 km (0.091 R)
• M11: 2,453,555 km (0.12 R)
• M12: 2,715,052 km (0.07 R)
• M13: 3,264,226 km (0.029 R)
• M14: 4,460,709 km (0.114 R)
• M15: 5,587,630 km (0.098 R)
• M16: 6,877,912 km (0.099 R)
• M17: 6,999,535 km (0.115 R)
• M18: 7,871,242 km (0.104 R)
• M19: 8,298,343 km (0.103 R)
• M20: 8,427,895 km (0.095 R)
• M21: 8,689,093 km (0.08 R)
• M22: 9,130,108 km (0.086 R)
• M23: 9,443,366 km (0.111 R)
• M24: 10,264,658 km (0.109 R)
• M25: 10,310,884 km (0.092 R)
• M26: 10,824,752 km (0.066 R)
• M27: 10,966,422 km (0.118 R)
• M28: 11,251,405 km (0.113 R)
• M29: 11,394,870 km (0.114 R)
• M30: 11,780,234 km (0.12 R)
• M31: 11,877,323 km (0.117 R)
• M32: 13,617,745 km (0.106 R)
• M33: 13,719,621 km (0.074 R)
• M34: 14,856,415 km (0.061 R)
• M35: 15,702,092 km (0.079 R)
• M36: 15,969,573 km (0.084 R)
• M37: 16,076,984 km (0.114 R)
• M38: 16,292,405 km (0.071 R)
• M39: 16,671,935 km (0.052 R)
• M40: 16,726,388 km (0.102 R)
• M41: 17,994,978 km (0.102 R)
• M42: 18,218,777 km (0.05 R)
• M43: 18,274,726 km (0.101 R)
• M44: 19,066,099 km (0.051 R)
• M45: 19,868,392 km (0.112 R)
• M46: 20,273,653 km (0.083 R)
• M47: 20,564,920 km (0.044 R)
• M48: 21,505,891 km (0.12 R)
• M49: 21,922,072 km (0.112 R)
• M50: 22,101,141 km (0.114 R)
• M51: 22,581,350 km (0.04 R)
• M52: 23,796,533 km (0.049 R)
• M53: 23,919,204 km (0.077 R)
• M54: 24,288,561 km (0.119 R)
• M55: 24,721,796 km (0.06 R)
• M56: 26,480,319 km (0.101 R)
• M57: 26,734,785 km (0.109 R)
• M58: 26,926,121 km (0.105 R)
• M59: 27,438,793 km (0.119 R)
• M60: 27,567,447 km (0.038 R)
• M61: 27,631,924 km (0.117 R)
• M62: 28,019,382 km (0.111 R)
• M63: 28,538,786 km (0.075 R)
• M64: 28,669,086 km (0.115 R)
• M65: 29,192,528 km (0.031 R)
• M66: 29,587,168 km (0.093 R)
• M67: 31,317,566 km (0.032 R)
• M68: 31,519,224 km (0.07 R)
• M69: 31,654,012 km (0.082 R)
• M70: 33,698,117 km (0.052 R)
• M71: 36,843,113 km (0.115 R)
• M72: 37,412,034 km (0.067 R)
• M73: 38,486,446 km (0.074 R)
• M74: 38,630,509 km (0.118 R)
• M75: 40,519,032 km (0.088 R)
• M76: 41,622,167 km (0.068 R)
• M77: 43,407,767 km (0.118 R)
• M78: 44,234,445 km (0.083 R)
• M79: 45,066,359 km (0.119 R)
• M80: 45,142,205 km (0.055 R)
• M81: 45,750,769 km (0.091 R)
• M82: 46,285,432 km (0.104 R)
• M83: 46,515,364 km (0.114 R)
• M84: 46,745,445 km (0.119 R)
• M85: 47,747,302 km (0.07 R)
• M86: 48,056,970 km (0.091 R)
• M87: 48,367,385 km (0.112 R)
• M88: 49,302,372 km (0.113 R)
• M89: 49,693,720 km (0.092 R)
• M90: 49,929,037 km (0.115 R)
• M91: 50,558,396 km (0.116 R)
• M92: 51,428,008 km (0.118 R)
• M93: 52,143,086 km (0.118 R)
• M94: 53,262,078 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.2

Radius: 5.1

Gravity: 27.69 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 13.1 AU - 17.18 AU

Year: 22076 Days

Day: 21.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 82,635,338 km

• M1: 77,043 km (0.091 R)
• M2: 627,413 km (0.074 R)
• M3: 1,400,386 km (0.119 R)
• M4: 1,658,741 km (0.113 R)
• M5: 2,145,832 km (0.113 R)
• M6: 2,292,887 km (0.098 R)
• M7: 2,405,235 km (0.116 R)
• M8: 2,753,349 km (0.096 R)
• M9: 2,953,511 km (0.086 R)
• M10: 5,053,566 km (0.077 R)
• M11: 6,794,286 km (0.072 R)
• M12: 7,504,278 km (0.076 R)
• M13: 9,290,477 km (0.085 R)
• M14: 11,647,989 km (0.095 R)
• M15: 11,906,345 km (0.036 R)
• M16: 12,363,067 km (0.115 R)
• M17: 15,010,501 km (0.086 R)
• M18: 16,289,263 km (0.101 R)
• M19: 16,505,731 km (0.12 R)
• M20: 17,307,726 km (0.103 R)
• M21: 17,454,930 km (0.115 R)
• M22: 17,973,287 km (0.113 R)
• M23: 20,096,978 km (0.061 R)
• M24: 20,174,170 km (0.047 R)
• M25: 20,562,227 km (0.1 R)
• M26: 20,718,108 km (0.097 R)
• M27: 22,860,649 km (0.113 R)
• M28: 23,753,449 km (0.079 R)
• M29: 24,823,373 km (0.094 R)
• M30: 24,906,250 km (0.048 R)
• M31: 27,180,437 km (0.088 R)
• M32: 27,780,923 km (0.115 R)
• M33: 28,298,980 km (0.086 R)
• M34: 28,472,364 km (0.104 R)
• M35: 29,696,075 km (0.108 R)
• M36: 30,758,519 km (0.062 R)
• M37: 31,473,597 km (0.091 R)
• M38: 33,011,613 km (0.11 R)
• M39: 33,376,931 km (0.081 R)
• M40: 34,111,905 km (0.045 R)
• M41: 35,504,063 km (0.1 R)
• M42: 35,878,357 km (0.072 R)
• M43: 36,725,529 km (0.069 R)
• M44: 37,293,852 km (0.045 R)
• M45: 38,920,130 km (0.045 R)
• M46: 39,112,962 km (0.059 R)
• M47: 40,569,297 km (0.087 R)
• M48: 40,764,821 km (0.044 R)
• M49: 41,747,081 km (0.061 R)
• M50: 42,439,420 km (0.077 R)
• M51: 42,637,787 km (0.034 R)
• M52: 44,337,368 km (0.119 R)
• M53: 46,365,018 km (0.088 R)
• M54: 46,979,117 km (0.071 R)
• M55: 48,733,900 km (0.084 R)
• M56: 48,837,721 km (0.111 R)
• M57: 49,462,591 km (0.082 R)
• M58: 49,671,430 km (0.037 R)
• M59: 49,775,999 km (0.066 R)
• M60: 50,299,890 km (0.109 R)
• M61: 51,036,361 km (0.096 R)
• M62: 52,839,614 km (0.04 R)
• M63: 53,481,089 km (0.076 R)
• M64: 54,125,108 km (0.089 R)
• M65: 55,312,466 km (0.104 R)
• M66: 55,420,775 km (0.091 R)
• M67: 56,726,765 km (0.068 R)
• M68: 56,945,327 km (0.099 R)
• M69: 58,042,777 km (0.084 R)
• M70: 58,815,001 km (0.062 R)
• M71: 60,035,570 km (0.09 R)
• M72: 63,633,249 km (0.115 R)
• M73: 64,087,877 km (0.082 R)
• M74: 65,687,527 km (0.073 R)
• M75: 69,275,932 km (0.079 R)
• M76: 69,626,589 km (0.058 R)
• M77: 70,564,568 km (0.101 R)
• M78: 73,641,497 km (0.062 R)
• M79: 74,956,462 km (0.099 R)
• M80: 76,279,206 km (0.03 R)
• M81: 77,367,082 km (0.101 R)
• M82: 79,925,505 km (0.053 R)
• M83: 80,048,025 km (0.107 R)
• M84: 82,635,321 km (0.03 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 14,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit