🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.55 AU - 0.59 AU

Year: 150 Days

Day: 20.5 Hours

Environment

Temp: 215 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.64 AU - 1 AU

Year: 259 Days

Day: 34.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,402,063 km

• M1: 41,887 km (0.039 R)
• M2: 358,736 km (0.055 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.73 AU - 0.93 AU

Year: 263 Days

Day: 34.2 Hours

Environment

Temp: 150 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.19 AU - 1.43 AU

Year: 522 Days

Day: 36.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 77.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.91 AU - 3.03 AU

Year: 1352 Days

Day: 38.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,402,063 km

• M1: 679,174 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.1 AU - 2.98 AU

Year: 1410 Days

Day: 26.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,402,063 km

• M1: 653,743 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 14.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.57 AU - 13.09 AU

Year: 13281 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 55,402,063 km

• M1: 261,796 km (0.118 R)
• M2: 465,997 km (0.113 R)
• M3: 722,857 km (0.078 R)
• M4: 851,212 km (0.109 R)
• M5: 968,347 km (0.101 R)
• M6: 1,378,245 km (0.025 R)
• M7: 1,689,858 km (0.062 R)
• M8: 1,893,161 km (0.108 R)
• M9: 2,186,522 km (0.108 R)
• M10: 2,610,483 km (0.094 R)
• M11: 2,728,067 km (0.081 R)
• M12: 4,240,501 km (0.058 R)
• M13: 5,061,794 km (0.063 R)
• M14: 5,700,427 km (0.096 R)
• M15: 6,325,148 km (0.06 R)
• M16: 7,095,128 km (0.07 R)
• M17: 8,153,533 km (0.096 R)
• M18: 9,170,798 km (0.114 R)
• M19: 9,625,426 km (0.085 R)
• M20: 9,809,432 km (0.115 R)
• M21: 9,994,634 km (0.045 R)
• M22: 10,509,849 km (0.027 R)
• M23: 10,699,389 km (0.032 R)
• M24: 11,713,064 km (0.088 R)
• M25: 12,306,220 km (0.114 R)
• M26: 13,367,617 km (0.113 R)
• M27: 14,091,521 km (0.099 R)
• M28: 14,405,677 km (0.104 R)
• M29: 14,510,844 km (0.1 R)
• M30: 14,775,034 km (0.079 R)
• M31: 15,040,869 km (0.104 R)
• M32: 15,362,056 km (0.061 R)
• M33: 15,902,254 km (0.108 R)
• M34: 16,120,218 km (0.098 R)
• M35: 16,338,930 km (0.06 R)
• M36: 16,724,444 km (0.109 R)
• M37: 17,001,499 km (0.101 R)
• M38: 17,336,000 km (0.114 R)
• M39: 17,504,148 km (0.108 R)
• M40: 18,125,128 km (0.077 R)
• M41: 18,238,823 km (0.075 R)
• M42: 18,810,885 km (0.026 R)
• M43: 18,926,075 km (0.057 R)
• M44: 19,157,055 km (0.118 R)
• M45: 19,446,975 km (0.095 R)
• M46: 20,562,377 km (0.056 R)
• M47: 21,217,466 km (0.074 R)
• M48: 21,758,711 km (0.112 R)
• M49: 21,940,173 km (0.064 R)
• M50: 22,182,821 km (0.059 R)
• M51: 22,548,438 km (0.088 R)
• M52: 23,039,269 km (0.101 R)
• M53: 23,657,557 km (0.061 R)
• M54: 24,218,698 km (0.086 R)
• M55: 26,442,770 km (0.119 R)
• M56: 26,830,528 km (0.055 R)
• M57: 26,960,229 km (0.1 R)
• M58: 28,466,530 km (0.085 R)
• M59: 28,731,318 km (0.037 R)
• M60: 30,269,633 km (0.109 R)
• M61: 32,315,982 km (0.097 R)
• M62: 32,454,061 km (0.079 R)
• M63: 32,661,404 km (0.113 R)
• M64: 32,799,932 km (0.073 R)
• M65: 33,775,010 km (0.098 R)
• M66: 34,055,357 km (0.076 R)
• M67: 34,477,372 km (0.105 R)
• M68: 34,971,793 km (0.111 R)
• M69: 35,753,741 km (0.107 R)
• M70: 35,967,966 km (0.116 R)
• M71: 36,901,157 km (0.066 R)
• M72: 37,987,836 km (0.101 R)
• M73: 38,571,717 km (0.102 R)
• M74: 40,638,710 km (0.08 R)
• M75: 43,958,886 km (0.071 R)
• M76: 44,495,194 km (0.062 R)
• M77: 44,648,831 km (0.119 R)
• M78: 44,956,554 km (0.092 R)
• M79: 46,505,789 km (0.101 R)
• M80: 49,576,884 km (0.054 R)
• M81: 50,695,278 km (0.091 R)
• M82: 50,935,981 km (0.103 R)
• M83: 51,257,616 km (0.096 R)
• M84: 53,201,192 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 8.8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 9.52 AU - 15.64 AU

Year: 15539 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 55,402,063 km

• M1: 181,313 km (0.112 R)
• M2: 241,451 km (0.119 R)
• M3: 300,093 km (0.117 R)
• M4: 436,975 km (0.118 R)
• M5: 498,311 km (0.075 R)
• M6: 648,507 km (0.074 R)
• M7: 932,593 km (0.107 R)
• M8: 1,078,301 km (0.107 R)
• M9: 1,322,744 km (0.031 R)
• M10: 1,487,452 km (0.058 R)
• M11: 1,584,690 km (0.092 R)
• M12: 1,811,481 km (0.046 R)
• M13: 2,021,965 km (0.08 R)
• M14: 2,437,847 km (0.069 R)
• M15: 2,495,292 km (0.035 R)
• M16: 2,641,150 km (0.106 R)
• M17: 3,252,108 km (0.095 R)
• M18: 3,379,565 km (0.098 R)
• M19: 3,476,206 km (0.073 R)
• M20: 3,705,240 km (0.069 R)
• M21: 4,670,595 km (0.057 R)
• M22: 4,814,658 km (0.082 R)
• M23: 4,887,213 km (0.117 R)
• M24: 5,902,384 km (0.04 R)
• M25: 6,453,802 km (0.048 R)
• M26: 6,817,025 km (0.07 R)
• M27: 6,898,706 km (0.073 R)
• M28: 7,104,253 km (0.07 R)
• M29: 7,353,483 km (0.058 R)
• M30: 7,775,499 km (0.067 R)
• M31: 8,292,060 km (0.067 R)
• M32: 8,423,108 km (0.12 R)
• M33: 8,819,991 km (0.047 R)
• M34: 9,313,365 km (0.072 R)
• M35: 9,815,715 km (0.093 R)
• M36: 10,609,481 km (0.111 R)
• M37: 10,990,058 km (0.093 R)
• M38: 11,961,247 km (0.115 R)
• M39: 12,109,200 km (0.068 R)
• M40: 12,757,856 km (0.028 R)
• M41: 13,060,941 km (0.058 R)
• M42: 13,520,207 km (0.035 R)
• M43: 13,777,515 km (0.031 R)
• M44: 14,506,805 km (0.076 R)
• M45: 15,840,320 km (0.086 R)
• M46: 16,494,212 km (0.116 R)
• M47: 16,935,077 km (0.104 R)
• M48: 17,491,432 km (0.087 R)
• M49: 18,110,617 km (0.065 R)
• M50: 20,010,510 km (0.097 R)
• M51: 20,776,302 km (0.086 R)
• M52: 20,894,933 km (0.049 R)
• M53: 21,912,647 km (0.09 R)
• M54: 22,275,721 km (0.067 R)
• M55: 22,518,818 km (0.037 R)
• M56: 22,946,518 km (0.107 R)
• M57: 23,315,127 km (0.08 R)
• M58: 24,058,330 km (0.053 R)
• M59: 24,307,859 km (0.098 R)
• M60: 24,935,272 km (0.119 R)
• M61: 27,497,884 km (0.091 R)
• M62: 27,562,959 km (0.075 R)
• M63: 27,889,381 km (0.055 R)
• M64: 28,744,184 km (0.053 R)
• M65: 29,741,104 km (0.078 R)
• M66: 30,277,412 km (0.066 R)
• M67: 30,344,582 km (0.096 R)
• M68: 30,546,688 km (0.032 R)
• M69: 30,681,626 km (0.078 R)
• M70: 31,495,737 km (0.112 R)
• M71: 32,454,360 km (0.058 R)
• M72: 33,145,054 km (0.101 R)
• M73: 33,910,247 km (0.05 R)
• M74: 35,387,376 km (0.066 R)
• M75: 35,529,195 km (0.048 R)
• M76: 35,813,281 km (0.06 R)
• M77: 36,098,116 km (0.079 R)
• M78: 36,526,863 km (0.111 R)
• M79: 37,029,213 km (0.113 R)
• M80: 39,869,329 km (0.041 R)
• M81: 40,312,437 km (0.068 R)
• M82: 40,980,242 km (0.073 R)
• M83: 42,778,858 km (0.093 R)
• M84: 43,915,951 km (0.117 R)
• M85: 44,526,460 km (0.092 R)
• M86: 45,601,620 km (0.029 R)
• M87: 48,799,424 km (0.028 R)
• M88: 50,066,667 km (0.1 R)
• M89: 50,624,667 km (0.106 R)
• M90: 51,505,500 km (0.084 R)
• M91: 53,770,411 km (0.085 R)
• M92: 54,669,046 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.5

Radius: 7.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 15.28 AU - 19.18 AU

Year: 24907 Days

Day: 20.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 55,402,063 km

• M1: 99,931 km (0.064 R)
• M2: 235,617 km (0.065 R)
• M3: 784,790 km (0.109 R)
• M4: 1,050,027 km (0.061 R)
• M5: 1,249,591 km (0.095 R)
• M6: 1,342,342 km (0.093 R)
• M7: 1,437,336 km (0.068 R)
• M8: 1,584,241 km (0.114 R)
• M9: 2,219,733 km (0.081 R)
• M10: 2,447,720 km (0.11 R)
• M11: 2,743,475 km (0.101 R)
• M12: 2,957,251 km (0.052 R)
• M13: 3,630,740 km (0.096 R)
• M14: 3,797,991 km (0.038 R)
• M15: 4,209,684 km (0.054 R)
• M16: 4,456,371 km (0.109 R)
• M17: 4,635,440 km (0.042 R)
• M18: 4,853,553 km (0.113 R)
• M19: 5,112,358 km (0.078 R)
• M20: 5,413,648 km (0.11 R)
• M21: 5,489,793 km (0.096 R)
• M22: 5,837,309 km (0.073 R)
• M23: 6,351,626 km (0.053 R)
• M24: 6,432,110 km (0.105 R)
• M25: 7,129,535 km (0.11 R)
• M26: 7,255,048 km (0.082 R)
• M27: 7,339,272 km (0.05 R)
• M28: 7,593,588 km (0.041 R)
• M29: 7,721,793 km (0.094 R)
• M30: 8,023,831 km (0.047 R)
• M31: 8,154,430 km (0.056 R)
• M32: 9,043,341 km (0.116 R)
• M33: 9,224,803 km (0.104 R)
• M34: 9,361,685 km (0.087 R)
• M35: 9,683,769 km (0.068 R)
• M36: 10,244,313 km (0.108 R)
• M37: 10,767,456 km (0.109 R)
• M38: 11,299,127 km (0.11 R)
• M39: 11,543,720 km (0.099 R)
• M40: 11,592,788 km (0.073 R)
• M41: 12,388,200 km (0.097 R)
• M42: 15,850,343 km (0.112 R)
• M43: 15,959,699 km (0.073 R)
• M44: 17,066,574 km (0.071 R)
• M45: 17,516,265 km (0.07 R)
• M46: 17,969,846 km (0.072 R)
• M47: 18,198,132 km (0.082 R)
• M48: 18,484,762 km (0.083 R)
• M49: 20,354,436 km (0.073 R)
• M50: 21,251,425 km (0.047 R)
• M51: 21,795,811 km (0.095 R)
• M52: 22,651,810 km (0.112 R)
• M53: 23,956,154 km (0.041 R)
• M54: 24,144,498 km (0.071 R)
• M55: 24,396,271 km (0.105 R)
• M56: 25,604,573 km (0.08 R)
• M57: 27,289,344 km (0.116 R)
• M58: 27,354,868 km (0.077 R)
• M59: 28,809,259 km (0.105 R)
• M60: 29,210,331 km (0.104 R)
• M61: 29,344,520 km (0.072 R)
• M62: 30,288,782 km (0.106 R)
• M63: 30,628,518 km (0.088 R)
• M64: 30,764,653 km (0.083 R)
• M65: 32,138,111 km (0.113 R)
• M66: 32,623,406 km (0.076 R)
• M67: 32,692,969 km (0.077 R)
• M68: 35,015,326 km (0.078 R)
• M69: 35,157,744 km (0.042 R)
• M70: 35,371,818 km (0.089 R)
• M71: 36,665,092 km (0.054 R)
• M72: 38,193,533 km (0.054 R)
• M73: 39,002,259 km (0.027 R)
• M74: 40,636,915 km (0.044 R)
• M75: 41,462,546 km (0.067 R)
• M76: 41,537,943 km (0.113 R)
• M77: 41,688,738 km (0.085 R)
• M78: 43,589,229 km (0.112 R)
• M79: 44,820,270 km (0.108 R)
• M80: 45,284,771 km (0.102 R)
• M81: 47,237,622 km (0.12 R)
• M82: 48,819,769 km (0.117 R)
• M83: 50,097,784 km (0.048 R)
• M84: 50,258,302 km (0.082 R)
• M85: 51,548,733 km (0.115 R)
• M86: 51,954,293 km (0.1 R)
• M87: 52,035,525 km (0.081 R)
• M88: 53,340,916 km (0.093 R)
• M89: 53,915,372 km (0.08 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 13,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit