🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.66 AU - 0.88 AU

Year: 259 Days

Day: 23.6 Hours

Environment

Temp: 126 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.14 AU - 1.6 AU

Year: 614 Days

Day: 37.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,869,431 km

• M1: 132,394 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.41 AU - 1.53 AU

Year: 682 Days

Day: 30.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,869,431 km

• M1: 457,021 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.14 AU - 1.9 AU

Year: 718 Days

Day: 23.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.29 AU - 2.87 AU

Year: 1587 Days

Day: 28.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.44 AU - 3.56 AU

Year: 2507 Days

Day: 25.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.3

Radius: 11.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.99 AU - 6.13 AU

Year: 5712 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 48,869,431 km

• M1: 151,991 km (0.089 R)
• M2: 238,160 km (0.056 R)
• M3: 522,994 km (0.101 R)
• M4: 612,005 km (0.076 R)
• M5: 707,000 km (0.114 R)
• M6: 807,829 km (0.099 R)
• M7: 1,045,839 km (0.084 R)
• M8: 1,141,282 km (0.082 R)
• M9: 1,614,011 km (0.087 R)
• M10: 1,713,195 km (0.078 R)
• M11: 1,814,473 km (0.085 R)
• M12: 1,970,204 km (0.116 R)
• M13: 2,212,403 km (0.1 R)
• M14: 2,450,264 km (0.076 R)
• M15: 2,623,348 km (0.066 R)
• M16: 2,935,858 km (0.103 R)
• M17: 3,182,246 km (0.119 R)
• M18: 3,323,915 km (0.059 R)
• M19: 3,451,522 km (0.063 R)
• M20: 3,597,081 km (0.104 R)
• M21: 3,844,366 km (0.058 R)
• M22: 4,080,282 km (0.072 R)
• M23: 4,199,960 km (0.055 R)
• M24: 4,460,560 km (0.113 R)
• M25: 4,690,641 km (0.112 R)
• M26: 4,816,303 km (0.071 R)
• M27: 4,888,559 km (0.047 R)
• M28: 4,997,616 km (0.109 R)
• M29: 5,273,923 km (0.106 R)
• M30: 5,841,647 km (0.079 R)
• M31: 6,035,227 km (0.106 R)
• M32: 6,230,901 km (0.074 R)
• M33: 6,953,010 km (0.094 R)
• M34: 7,034,989 km (0.092 R)
• M35: 7,428,282 km (0.061 R)
• M36: 8,150,092 km (0.067 R)
• M37: 8,519,449 km (0.108 R)
• M38: 8,761,498 km (0.055 R)
• M39: 9,455,483 km (0.1 R)
• M40: 9,728,948 km (0.079 R)
• M41: 9,820,651 km (0.077 R)
• M42: 10,470,804 km (0.089 R)
• M43: 10,967,618 km (0.101 R)
• M44: 11,303,166 km (0.061 R)
• M45: 11,447,977 km (0.08 R)
• M46: 12,058,187 km (0.08 R)
• M47: 12,206,139 km (0.052 R)
• M48: 12,804,231 km (0.11 R)
• M49: 13,031,022 km (0.042 R)
• M50: 13,411,898 km (0.102 R)
• M51: 14,106,780 km (0.11 R)
• M52: 14,892,618 km (0.091 R)
• M53: 15,184,333 km (0.066 R)
• M54: 15,638,961 km (0.116 R)
• M55: 16,288,366 km (0.107 R)
• M56: 17,029,324 km (0.088 R)
• M57: 17,334,504 km (0.101 R)
• M58: 17,417,979 km (0.094 R)
• M59: 17,585,379 km (0.107 R)
• M60: 17,978,223 km (0.072 R)
• M61: 18,203,966 km (0.105 R)
• M62: 18,972,900 km (0.055 R)
• M63: 19,202,831 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 11.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.68 AU - 7.5 AU

Year: 5754 Days

Day: 10.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 48,869,431 km

• M1: 197,918 km (0.06 R)
• M2: 428,149 km (0.066 R)
• M3: 629,957 km (0.05 R)
• M4: 779,854 km (0.054 R)
• M5: 886,966 km (0.114 R)
• M6: 976,575 km (0.087 R)
• M7: 1,093,411 km (0.106 R)
• M8: 1,380,788 km (0.103 R)
• M9: 1,499,868 km (0.051 R)
• M10: 1,581,399 km (0.105 R)
• M11: 1,706,463 km (0.113 R)
• M12: 2,071,781 km (0.077 R)
• M13: 2,318,617 km (0.059 R)
• M14: 2,526,409 km (0.079 R)
• M15: 2,790,599 km (0.075 R)
• M16: 3,116,273 km (0.098 R)
• M17: 3,310,451 km (0.086 R)
• M18: 4,069,511 km (0.109 R)
• M19: 4,558,247 km (0.064 R)
• M20: 4,983,404 km (0.038 R)
• M21: 5,570,127 km (0.098 R)
• M22: 5,741,716 km (0.083 R)
• M23: 7,247,867 km (0.109 R)
• M24: 7,648,640 km (0.1 R)
• M25: 7,767,869 km (0.088 R)
• M26: 8,226,836 km (0.118 R)
• M27: 8,570,612 km (0.088 R)
• M28: 8,669,645 km (0.096 R)
• M29: 9,095,102 km (0.062 R)
• M30: 9,196,230 km (0.063 R)
• M31: 9,450,696 km (0.096 R)
• M32: 10,438,640 km (0.058 R)
• M33: 11,106,595 km (0.115 R)
• M34: 11,214,754 km (0.111 R)
• M35: 12,092,594 km (0.07 R)
• M36: 12,231,720 km (0.1 R)
• M37: 13,020,999 km (0.114 R)
• M38: 13,278,157 km (0.099 R)
• M39: 14,176,941 km (0.068 R)
• M40: 14,767,255 km (0.116 R)
• M41: 15,215,300 km (0.106 R)
• M42: 15,365,646 km (0.114 R)
• M43: 15,576,878 km (0.1 R)
• M44: 15,667,684 km (0.077 R)
• M45: 15,758,789 km (0.108 R)
• M46: 16,063,520 km (0.051 R)
• M47: 16,339,379 km (0.102 R)
• M48: 16,896,032 km (0.04 R)
• M49: 17,805,737 km (0.069 R)
• M50: 18,378,398 km (0.032 R)
• M51: 18,602,794 km (0.076 R)
• M52: 19,021,818 km (0.099 R)
• M53: 19,119,057 km (0.056 R)
• M54: 19,803,766 km (0.115 R)
• M55: 20,033,848 km (0.093 R)
• M56: 20,132,732 km (0.077 R)
• M57: 20,430,282 km (0.091 R)
• M58: 20,562,975 km (0.088 R)
• M59: 20,762,539 km (0.117 R)
• M60: 20,996,211 km (0.117 R)
• M61: 21,096,741 km (0.101 R)
• M62: 21,466,247 km (0.105 R)
• M63: 22,485,158 km (0.037 R)
• M64: 22,656,448 km (0.114 R)
• M65: 22,793,928 km (0.083 R)
• M66: 23,034,931 km (0.072 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.6

Radius: 11.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.58 AU - 8.96 AU

Year: 7505 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 48,869,431 km

• M1: 151,692 km (0.114 R)
• M2: 350,059 km (0.095 R)
• M3: 541,245 km (0.098 R)
• M4: 709,842 km (0.08 R)
• M5: 1,218,026 km (0.038 R)
• M6: 1,858,903 km (0.119 R)
• M7: 2,123,841 km (0.092 R)
• M8: 2,251,747 km (0.047 R)
• M9: 2,458,043 km (0.106 R)
• M10: 2,930,024 km (0.054 R)
• M11: 3,218,449 km (0.117 R)
• M12: 4,323,079 km (0.09 R)
• M13: 4,989,239 km (0.112 R)
• M14: 5,434,591 km (0.057 R)
• M15: 5,560,553 km (0.042 R)
• M16: 5,918,690 km (0.083 R)
• M17: 6,630,327 km (0.071 R)
• M18: 7,341,216 km (0.071 R)
• M19: 7,819,182 km (0.098 R)
• M20: 8,105,063 km (0.118 R)
• M21: 8,278,297 km (0.083 R)
• M22: 8,805,331 km (0.117 R)
• M23: 8,953,732 km (0.079 R)
• M24: 9,252,927 km (0.112 R)
• M25: 9,373,503 km (0.112 R)
• M26: 10,139,145 km (0.092 R)
• M27: 10,608,284 km (0.116 R)
• M28: 10,829,539 km (0.052 R)
• M29: 11,438,104 km (0.119 R)
• M30: 11,893,629 km (0.067 R)
• M31: 12,156,622 km (0.095 R)
• M32: 12,721,803 km (0.113 R)
• M33: 13,602,934 km (0.075 R)
• M34: 13,843,488 km (0.056 R)
• M35: 14,714,297 km (0.076 R)
• M36: 15,032,192 km (0.032 R)
• M37: 15,423,690 km (0.116 R)
• M38: 17,692,940 km (0.104 R)
• M39: 19,057,871 km (0.113 R)
• M40: 19,327,147 km (0.064 R)
• M41: 19,714,157 km (0.092 R)
• M42: 21,207,892 km (0.028 R)
• M43: 22,615,608 km (0.095 R)
• M44: 23,680,894 km (0.068 R)
• M45: 24,636,974 km (0.066 R)
• M46: 24,846,411 km (0.056 R)
• M47: 25,225,043 km (0.098 R)
• M48: 25,647,957 km (0.089 R)
• M49: 27,060,011 km (0.09 R)
• M50: 27,536,330 km (0.113 R)
• M51: 27,928,127 km (0.076 R)
• M52: 29,070,457 km (0.03 R)
• M53: 29,158,869 km (0.113 R)
• M54: 29,336,142 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288

Radius: 4.3

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 11.31 AU - 12.65 AU

Year: 15876 Days

Day: 15.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 48,869,431 km

• M1: 55,052 km (0.103 R)
• M2: 171,290 km (0.047 R)
• M3: 235,018 km (0.073 R)
• M4: 535,112 km (0.093 R)
• M5: 615,745 km (0.066 R)
• M6: 1,096,552 km (0.036 R)
• M7: 1,349,672 km (0.107 R)
• M8: 1,415,645 km (0.115 R)
• M9: 1,551,031 km (0.106 R)
• M10: 2,421,242 km (0.12 R)
• M11: 2,556,029 km (0.057 R)
• M12: 2,665,535 km (0.117 R)
• M13: 2,861,059 km (0.073 R)
• M14: 2,889,483 km (0.072 R)
• M15: 3,148,437 km (0.094 R)
• M16: 3,325,261 km (0.059 R)
• M17: 3,414,871 km (0.118 R)
• M18: 3,750,419 km (0.108 R)
• M19: 3,781,385 km (0.111 R)
• M20: 4,988,042 km (0.054 R)
• M21: 5,579,103 km (0.099 R)
• M22: 5,901,038 km (0.044 R)
• M23: 6,009,646 km (0.119 R)
• M24: 6,525,160 km (0.114 R)
• M25: 7,016,589 km (0.069 R)
• M26: 7,170,226 km (0.099 R)
• M27: 7,247,418 km (0.1 R)
• M28: 7,954,717 km (0.045 R)
• M29: 8,074,695 km (0.119 R)
• M30: 8,114,936 km (0.094 R)
• M31: 8,195,420 km (0.104 R)
• M32: 8,276,053 km (0.115 R)
• M33: 8,724,997 km (0.071 R)
• M34: 9,181,569 km (0.08 R)
• M35: 9,518,613 km (0.108 R)
• M36: 9,816,911 km (0.111 R)
• M37: 10,118,202 km (0.117 R)
• M38: 10,335,268 km (0.08 R)
• M39: 11,084,604 km (0.111 R)
• M40: 11,897,070 km (0.082 R)
• M41: 11,942,847 km (0.115 R)
• M42: 12,403,010 km (0.05 R)
• M43: 12,728,684 km (0.114 R)
• M44: 12,869,007 km (0.064 R)
• M45: 13,293,267 km (0.11 R)
• M46: 13,435,834 km (0.119 R)
• M47: 13,962,418 km (0.098 R)
• M48: 15,582,413 km (0.056 R)
• M49: 15,782,725 km (0.1 R)
• M50: 16,541,785 km (0.1 R)
• M51: 16,694,973 km (0.117 R)
• M52: 17,312,513 km (0.084 R)
• M53: 17,468,095 km (0.079 R)
• M54: 17,520,005 km (0.067 R)
• M55: 18,411,160 km (0.055 R)
• M56: 18,729,205 km (0.088 R)
• M57: 19,316,975 km (0.104 R)
• M58: 19,965,033 km (0.101 R)
• M59: 20,510,616 km (0.094 R)
• M60: 21,060,987 km (0.086 R)
• M61: 21,393,543 km (0.113 R)
• M62: 21,560,494 km (0.045 R)
• M63: 22,232,488 km (0.104 R)
• M64: 22,684,423 km (0.047 R)
• M65: 22,968,359 km (0.103 R)
• M66: 23,139,200 km (0.062 R)
• M67: 24,988,679 km (0.09 R)
• M68: 25,871,755 km (0.061 R)
• M69: 26,645,475 km (0.108 R)
• M70: 27,185,523 km (0.107 R)
• M71: 27,547,550 km (0.115 R)
• M72: 28,154,469 km (0.082 R)
• M73: 28,704,391 km (0.116 R)
• M74: 29,505,038 km (0.085 R)
• M75: 29,628,905 km (0.066 R)
• M76: 30,001,404 km (0.118 R)
• M77: 30,313,017 km (0.077 R)
• M78: 30,813,870 km (0.111 R)
• M79: 33,101,371 km (0.113 R)
• M80: 35,180,034 km (0.095 R)
• M81: 35,508,551 km (0.11 R)
• M82: 35,970,359 km (0.053 R)
• M83: 36,234,998 km (0.096 R)
• M84: 36,434,113 km (0.083 R)
• M85: 39,598,407 km (0.089 R)
• M86: 40,626,743 km (0.118 R)
• M87: 40,695,558 km (0.052 R)
• M88: 41,872,294 km (0.114 R)
• M89: 42,499,708 km (0.095 R)
• M90: 42,779,605 km (0.103 R)
• M91: 44,329,739 km (0.088 R)
• M92: 45,898,272 km (0.119 R)
• M93: 45,969,930 km (0.044 R)
• M94: 46,257,307 km (0.098 R)
• M95: 46,833,558 km (0.046 R)
• M96: 47,194,987 km (0.111 R)
• M97: 47,775,127 km (0.1 R)
• M98: 48,576,822 km (0.099 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: 387 - 18,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit