🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.37 AU - 1.41 AU

Year: 596 Days

Day: 15.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 67,879,695 km

• M1: 64,177 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.32 AU - 1.74 AU

Year: 688 Days

Day: 47.8 Hours

Environment

Temp: -43 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.56 AU - 1.58 AU

Year: 715 Days

Day: 12.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.59 AU - 2.09 AU

Year: 907 Days

Day: 41.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.66 AU - 3.66 AU

Year: 2545 Days

Day: 33.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.17 AU - 4.17 AU

Year: 2555 Days

Day: 27.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,879,695 km

• M1: 759,808 km (0.091 R)
• M2: 3,045,214 km (0.042 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.44 AU - 5.46 AU

Year: 3412 Days

Day: 18.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,879,695 km

• M1: 514,018 km (0.041 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 12.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.93 AU - 5.63 AU

Year: 4409 Days

Day: 9.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 67,879,695 km

• M1: 154,834 km (0.107 R)
• M2: 252,372 km (0.115 R)
• M3: 439,219 km (0.043 R)
• M4: 584,329 km (0.082 R)
• M5: 918,082 km (0.105 R)
• M6: 1,013,675 km (0.106 R)
• M7: 1,146,967 km (0.09 R)
• M8: 1,713,344 km (0.045 R)
• M9: 2,083,450 km (0.107 R)
• M10: 2,169,169 km (0.062 R)
• M11: 2,256,085 km (0.079 R)
• M12: 2,359,158 km (0.062 R)
• M13: 2,478,837 km (0.073 R)
• M14: 2,585,350 km (0.092 R)
• M15: 2,866,295 km (0.097 R)
• M16: 2,946,180 km (0.08 R)
• M17: 3,407,241 km (0.12 R)
• M18: 3,891,190 km (0.106 R)
• M19: 3,997,853 km (0.102 R)
• M20: 4,177,670 km (0.11 R)
• M21: 4,323,528 km (0.074 R)
• M22: 4,489,731 km (0.054 R)
• M23: 4,582,931 km (0.084 R)
• M24: 4,752,425 km (0.093 R)
• M25: 4,943,312 km (0.091 R)
• M26: 5,691,301 km (0.07 R)
• M27: 5,853,465 km (0.114 R)
• M28: 5,996,481 km (0.084 R)
• M29: 6,140,693 km (0.073 R)
• M30: 6,244,514 km (0.09 R)
• M31: 6,516,932 km (0.08 R)
• M32: 6,644,090 km (0.112 R)
• M33: 7,160,801 km (0.108 R)
• M34: 7,870,045 km (0.111 R)
• M35: 8,578,540 km (0.042 R)
• M36: 8,881,775 km (0.116 R)
• M37: 9,164,814 km (0.104 R)
• M38: 9,522,802 km (0.085 R)
• M39: 10,056,268 km (0.12 R)
• M40: 10,400,792 km (0.106 R)
• M41: 10,899,701 km (0.112 R)
• M42: 11,202,936 km (0.092 R)
• M43: 11,843,364 km (0.097 R)
• M44: 12,024,976 km (0.06 R)
• M45: 12,364,414 km (0.118 R)
• M46: 12,892,943 km (0.097 R)
• M47: 13,482,957 km (0.12 R)
• M48: 14,054,271 km (0.096 R)
• M49: 14,384,434 km (0.038 R)
• M50: 14,689,165 km (0.113 R)
• M51: 14,828,440 km (0.117 R)
• M52: 14,968,165 km (0.116 R)
• M53: 15,787,063 km (0.094 R)
• M54: 15,986,926 km (0.087 R)
• M55: 16,418,067 km (0.106 R)
• M56: 16,562,728 km (0.058 R)
• M57: 17,321,339 km (0.075 R)
• M58: 17,498,014 km (0.116 R)
• M59: 18,121,089 km (0.057 R)
• M60: 18,480,423 km (0.075 R)
• M61: 18,600,700 km (0.111 R)
• M62: 18,751,495 km (0.081 R)
• M63: 19,419,599 km (0.079 R)
• M64: 19,511,302 km (0.1 R)
• M65: 19,664,491 km (0.083 R)
• M66: 19,879,612 km (0.041 R)
• M67: 20,281,133 km (0.057 R)
• M68: 20,560,731 km (0.03 R)
• M69: 20,654,230 km (0.109 R)
• M70: 20,904,358 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 10.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.16 AU - 13.06 AU

Year: 12560 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 67,879,695 km

• M1: 269,127 km (0.115 R)
• M2: 338,091 km (0.094 R)
• M3: 476,020 km (0.114 R)
• M4: 579,991 km (0.08 R)
• M5: 722,109 km (0.119 R)
• M6: 892,800 km (0.076 R)
• M7: 1,008,589 km (0.119 R)
• M8: 1,112,111 km (0.107 R)
• M9: 1,663,379 km (0.115 R)
• M10: 1,979,030 km (0.119 R)
• M11: 2,290,792 km (0.113 R)
• M12: 3,907,048 km (0.068 R)
• M13: 4,073,400 km (0.1 R)
• M14: 4,185,599 km (0.09 R)
• M15: 4,470,583 km (0.042 R)
• M16: 4,939,722 km (0.085 R)
• M17: 5,830,128 km (0.107 R)
• M18: 5,956,838 km (0.108 R)
• M19: 7,513,254 km (0.075 R)
• M20: 7,825,016 km (0.073 R)
• M21: 8,749,381 km (0.117 R)
• M22: 9,261,455 km (0.101 R)
• M23: 9,372,456 km (0.051 R)
• M24: 9,972,044 km (0.112 R)
• M25: 10,200,032 km (0.08 R)
• M26: 10,584,049 km (0.073 R)
• M27: 10,661,391 km (0.109 R)
• M28: 11,764,077 km (0.097 R)
• M29: 12,207,186 km (0.066 R)
• M30: 12,614,840 km (0.057 R)
• M31: 13,109,860 km (0.075 R)
• M32: 13,569,125 km (0.105 R)
• M33: 14,848,785 km (0.094 R)
• M34: 15,283,816 km (0.107 R)
• M35: 15,900,010 km (0.087 R)
• M36: 16,122,013 km (0.106 R)
• M37: 16,749,277 km (0.107 R)
• M38: 17,338,692 km (0.069 R)
• M39: 17,521,501 km (0.108 R)
• M40: 17,704,908 km (0.095 R)
• M41: 17,842,837 km (0.112 R)
• M42: 18,073,667 km (0.068 R)
• M43: 18,678,341 km (0.114 R)
• M44: 20,483,389 km (0.103 R)
• M45: 21,602,830 km (0.053 R)
• M46: 22,393,305 km (0.084 R)
• M47: 22,692,202 km (0.105 R)
• M48: 22,942,180 km (0.098 R)
• M49: 23,243,470 km (0.084 R)
• M50: 24,820,980 km (0.051 R)
• M51: 25,961,364 km (0.117 R)
• M52: 26,170,502 km (0.085 R)
• M53: 26,590,573 km (0.113 R)
• M54: 26,695,890 km (0.093 R)
• M55: 27,543,810 km (0.112 R)
• M56: 29,865,869 km (0.089 R)
• M57: 30,085,029 km (0.104 R)
• M58: 31,189,062 km (0.055 R)
• M59: 31,355,863 km (0.09 R)
• M60: 31,467,164 km (0.091 R)
• M61: 31,634,415 km (0.044 R)
• M62: 32,926,342 km (0.065 R)
• M63: 33,664,308 km (0.095 R)
• M64: 36,026,907 km (0.111 R)
• M65: 36,904,598 km (0.118 R)
• M66: 38,264,143 km (0.06 R)
• M67: 38,383,074 km (0.079 R)
• M68: 38,621,383 km (0.112 R)
• M69: 38,979,820 km (0.051 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 11

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 11.48 AU - 13.2 AU

Year: 15754 Days

Day: 14.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 67,879,695 km

• M1: 142,866 km (0.092 R)
• M2: 314,156 km (0.104 R)
• M3: 388,655 km (0.108 R)
• M4: 471,383 km (0.046 R)
• M5: 1,132,456 km (0.065 R)
• M6: 1,208,003 km (0.104 R)
• M7: 1,285,495 km (0.101 R)
• M8: 2,246,960 km (0.114 R)
• M9: 2,574,579 km (0.045 R)
• M10: 2,917,757 km (0.115 R)
• M11: 3,685,344 km (0.045 R)
• M12: 3,954,769 km (0.038 R)
• M13: 4,190,984 km (0.112 R)
• M14: 5,396,594 km (0.065 R)
• M15: 5,483,510 km (0.097 R)
• M16: 5,925,272 km (0.115 R)
• M17: 6,702,583 km (0.043 R)
• M18: 7,560,377 km (0.102 R)
• M19: 8,553,857 km (0.118 R)
• M20: 9,221,662 km (0.112 R)
• M21: 10,173,702 km (0.072 R)
• M22: 11,212,510 km (0.042 R)
• M23: 11,999,395 km (0.057 R)
• M24: 12,227,532 km (0.041 R)
• M25: 13,213,082 km (0.093 R)
• M26: 13,330,666 km (0.053 R)
• M27: 13,626,272 km (0.067 R)
• M28: 16,068,158 km (0.08 R)
• M29: 17,274,515 km (0.116 R)
• M30: 17,467,646 km (0.1 R)
• M31: 17,726,300 km (0.112 R)
• M32: 19,908,485 km (0.083 R)
• M33: 20,382,111 km (0.112 R)
• M34: 20,518,096 km (0.095 R)
• M35: 20,927,994 km (0.097 R)
• M36: 22,383,881 km (0.069 R)
• M37: 22,594,514 km (0.053 R)
• M38: 22,735,436 km (0.099 R)
• M39: 22,947,117 km (0.114 R)
• M40: 23,017,876 km (0.115 R)
• M41: 23,657,706 km (0.068 R)
• M42: 24,592,244 km (0.093 R)
• M43: 24,882,165 km (0.079 R)
• M44: 24,954,870 km (0.073 R)
• M45: 25,100,428 km (0.096 R)
• M46: 25,392,443 km (0.116 R)
• M47: 25,538,900 km (0.059 R)
• M48: 26,943,773 km (0.048 R)
• M49: 27,467,665 km (0.095 R)
• M50: 28,221,938 km (0.059 R)
• M51: 29,289,318 km (0.108 R)
• M52: 31,699,639 km (0.027 R)
• M53: 32,331,840 km (0.119 R)
• M54: 33,128,149 km (0.09 R)
• M55: 34,253,724 km (0.104 R)
• M56: 34,983,911 km (0.076 R)
• M57: 36,129,980 km (0.109 R)
• M58: 36,707,578 km (0.069 R)
• M59: 37,122,113 km (0.055 R)
• M60: 38,039,298 km (0.092 R)
• M61: 38,458,770 km (0.112 R)
• M62: 38,711,142 km (0.09 R)
• M63: 38,879,739 km (0.089 R)
• M64: 41,869,003 km (0.097 R)
• M65: 42,910,803 km (0.11 R)
• M66: 44,754,597 km (0.106 R)
• M67: 45,463,690 km (0.1 R)
• M68: 45,552,552 km (0.107 R)
• M69: 46,265,984 km (0.117 R)
• M70: 47,162,823 km (0.063 R)
• M71: 48,246,510 km (0.105 R)
• M72: 50,991,781 km (0.108 R)
• M73: 51,639,689 km (0.051 R)
• M74: 52,476,539 km (0.061 R)
• M75: 53,318,027 km (0.097 R)
• M76: 56,345,589 km (0.048 R)
• M77: 57,207,273 km (0.055 R)
• M78: 57,783,973 km (0.12 R)
• M79: 57,976,655 km (0.063 R)
• M80: 58,459,407 km (0.099 R)
• M81: 59,331,563 km (0.069 R)
• M82: 59,623,279 km (0.105 R)
• M83: 60,305,594 km (0.113 R)
• M84: 60,598,956 km (0.12 R)
• M85: 61,678,305 km (0.113 R)
• M86: 62,862,970 km (0.064 R)
• M87: 64,055,265 km (0.055 R)
• M88: 65,556,031 km (0.043 R)
• M89: 66,361,167 km (0.115 R)
• M90: 67,169,594 km (0.081 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 20,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit