🌌 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: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.48 AU - 0.64 AU

Year: 158 Days

Day: 20.9 Hours

Environment

Temp: 219 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,345,518 km

• M1: 276,307 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.56 AU - 0.7 AU

Year: 188 Days

Day: 13 Hours

Environment

Temp: 186 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,345,518 km

• M1: 235,168 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.93 AU - 1.11 AU

Year: 388 Days

Day: 47.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 70,345,518 km

• M1: 176,974 km (0.111 R)
• M2: 658,979 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.95 AU - 1.37 AU

Year: 471 Days

Day: 32.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 127 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.26 AU - 1.4 AU

Year: 578 Days

Day: 18 Hours

Environment

Temp: -29 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.51 AU - 1.77 AU

Year: 791 Days

Day: 16.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,345,518 km

• M1: 496,665 km (0.068 R)
• M2: 1,192,145 km (0.098 R)

Asteroid Belt

Center: 3.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 11.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.96 AU - 7.12 AU

Year: 5592 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 70,345,518 km

• M1: 172,038 km (0.081 R)
• M2: 280,795 km (0.107 R)
• M3: 414,685 km (0.087 R)
• M4: 508,483 km (0.061 R)
• M5: 951,592 km (0.088 R)
• M6: 1,381,686 km (0.102 R)
• M7: 1,498,522 km (0.118 R)
• M8: 1,653,655 km (0.103 R)
• M9: 2,036,775 km (0.119 R)
• M10: 2,632,025 km (0.109 R)
• M11: 2,842,210 km (0.06 R)
• M12: 2,927,930 km (0.093 R)
• M13: 3,482,938 km (0.12 R)
• M14: 3,621,016 km (0.098 R)
• M15: 4,919,227 km (0.067 R)
• M16: 5,100,839 km (0.086 R)
• M17: 5,231,737 km (0.104 R)
• M18: 5,848,828 km (0.113 R)
• M19: 5,986,159 km (0.114 R)
• M20: 6,096,712 km (0.12 R)
• M21: 6,319,912 km (0.056 R)
• M22: 6,918,602 km (0.114 R)
• M23: 7,595,233 km (0.068 R)
• M24: 7,685,142 km (0.076 R)
• M25: 8,109,102 km (0.116 R)
• M26: 8,262,290 km (0.093 R)
• M27: 8,478,459 km (0.042 R)
• M28: 9,458,475 km (0.088 R)
• M29: 9,587,428 km (0.088 R)
• M30: 9,880,042 km (0.085 R)
• M31: 10,010,940 km (0.107 R)
• M32: 10,540,666 km (0.094 R)
• M33: 10,842,704 km (0.091 R)
• M34: 10,943,982 km (0.051 R)
• M35: 11,045,559 km (0.069 R)
• M36: 11,386,642 km (0.087 R)
• M37: 11,974,262 km (0.11 R)
• M38: 12,219,154 km (0.089 R)
• M39: 12,678,270 km (0.114 R)
• M40: 13,251,230 km (0.112 R)
• M41: 13,540,851 km (0.112 R)
• M42: 14,126,527 km (0.101 R)
• M43: 14,200,279 km (0.112 R)
• M44: 14,274,180 km (0.106 R)
• M45: 14,645,632 km (0.081 R)
• M46: 15,171,169 km (0.113 R)
• M47: 15,398,258 km (0.099 R)
• M48: 15,474,254 km (0.068 R)
• M49: 15,817,581 km (0.065 R)
• M50: 16,163,452 km (0.098 R)
• M51: 16,356,732 km (0.116 R)
• M52: 16,862,672 km (0.096 R)
• M53: 17,137,334 km (0.062 R)
• M54: 17,611,559 km (0.084 R)
• M55: 18,009,938 km (0.039 R)
• M56: 18,775,281 km (0.098 R)
• M57: 19,141,496 km (0.103 R)
• M58: 19,264,167 km (0.075 R)
• M59: 19,757,241 km (0.114 R)
• M60: 19,839,819 km (0.039 R)
• M61: 20,337,681 km (0.101 R)
• M62: 20,629,995 km (0.073 R)
• M63: 21,642,922 km (0.105 R)
• M64: 22,715,240 km (0.088 R)
• M65: 23,804,761 km (0.086 R)
• M66: 23,892,725 km (0.057 R)
• M67: 24,245,477 km (0.086 R)
• M68: 24,911,337 km (0.093 R)
• M69: 25,000,647 km (0.087 R)
• M70: 25,403,663 km (0.074 R)
• M71: 25,673,388 km (0.081 R)
• M72: 26,762,311 km (0.11 R)
• M73: 26,899,492 km (0.102 R)
• M74: 28,237,346 km (0.111 R)
• M75: 28,657,118 km (0.025 R)
• M76: 29,786,133 km (0.058 R)
• M77: 30,594,859 km (0.109 R)
• M78: 30,786,045 km (0.071 R)
• M79: 31,362,446 km (0.119 R)
• M80: 31,700,238 km (0.033 R)
• M81: 32,087,846 km (0.08 R)
• M82: 32,428,330 km (0.04 R)
• M83: 32,721,093 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 14.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.86 AU - 8.12 AU

Year: 6962 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 70,345,518 km

• M1: 181,013 km (0.117 R)
• M2: 503,846 km (0.099 R)
• M3: 826,528 km (0.07 R)
• M4: 954,135 km (0.034 R)
• M5: 1,296,565 km (0.036 R)
• M6: 1,641,986 km (0.112 R)
• M7: 2,296,178 km (0.102 R)
• M8: 2,524,314 km (0.118 R)
• M9: 2,803,913 km (0.112 R)
• M10: 3,535,147 km (0.074 R)
• M11: 3,799,936 km (0.118 R)
• M12: 3,897,922 km (0.05 R)
• M13: 4,046,473 km (0.04 R)
• M14: 4,374,990 km (0.028 R)
• M15: 4,581,435 km (0.087 R)
• M16: 4,844,278 km (0.104 R)
• M17: 4,977,420 km (0.089 R)
• M18: 5,084,981 km (0.034 R)
• M19: 5,193,290 km (0.028 R)
• M20: 5,329,723 km (0.044 R)
• M21: 5,522,854 km (0.101 R)
• M22: 5,690,254 km (0.1 R)
• M23: 5,859,300 km (0.059 R)
• M24: 6,116,159 km (0.118 R)
• M25: 6,347,587 km (0.093 R)
• M26: 6,819,269 km (0.088 R)
• M27: 7,703,094 km (0.088 R)
• M28: 9,013,870 km (0.111 R)
• M29: 9,410,454 km (0.114 R)
• M30: 9,611,065 km (0.115 R)
• M31: 9,914,449 km (0.114 R)
• M32: 10,050,434 km (0.055 R)
• M33: 10,704,326 km (0.077 R)
• M34: 11,836,932 km (0.12 R)
• M35: 11,945,091 km (0.088 R)
• M36: 13,833,614 km (0.11 R)
• M37: 15,536,487 km (0.116 R)
• M38: 15,892,979 km (0.032 R)
• M39: 16,252,163 km (0.112 R)
• M40: 16,452,774 km (0.117 R)
• M41: 17,223,053 km (0.053 R)
• M42: 17,715,529 km (0.117 R)
• M43: 18,005,001 km (0.036 R)
• M44: 18,546,845 km (0.039 R)
• M45: 18,672,507 km (0.117 R)
• M46: 19,263,269 km (0.045 R)
• M47: 19,433,212 km (0.077 R)
• M48: 19,903,099 km (0.101 R)
• M49: 20,723,494 km (0.086 R)
• M50: 20,854,093 km (0.101 R)
• M51: 21,028,673 km (0.039 R)
• M52: 21,379,032 km (0.04 R)
• M53: 22,174,743 km (0.058 R)
• M54: 22,665,723 km (0.04 R)
• M55: 23,070,086 km (0.09 R)
• M56: 23,567,649 km (0.065 R)
• M57: 25,267,080 km (0.117 R)
• M58: 25,453,180 km (0.095 R)
• M59: 25,639,729 km (0.058 R)
• M60: 26,014,322 km (0.072 R)
• M61: 26,202,217 km (0.117 R)
• M62: 26,958,434 km (0.074 R)
• M63: 28,783,079 km (0.036 R)
• M64: 29,416,477 km (0.115 R)
• M65: 30,103,580 km (0.03 R)
• M66: 30,945,217 km (0.069 R)
• M67: 31,443,976 km (0.106 R)
• M68: 31,995,544 km (0.053 R)
• M69: 32,297,881 km (0.115 R)
• M70: 32,449,274 km (0.087 R)
• M71: 32,702,394 km (0.047 R)
• M72: 33,261,291 km (0.094 R)
• M73: 33,772,019 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 9.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.81 AU - 11.27 AU

Year: 13819 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 70,345,518 km

• M1: 123,717 km (0.095 R)
• M2: 243,994 km (0.079 R)
• M3: 530,175 km (0.102 R)
• M4: 633,547 km (0.093 R)
• M5: 1,143,676 km (0.112 R)
• M6: 1,253,331 km (0.063 R)
• M7: 1,774,680 km (0.051 R)
• M8: 1,984,565 km (0.06 R)
• M9: 2,340,608 km (0.099 R)
• M10: 2,410,770 km (0.08 R)
• M11: 3,346,355 km (0.108 R)
• M12: 3,445,688 km (0.085 R)
• M13: 4,296,600 km (0.039 R)
• M14: 4,734,473 km (0.089 R)
• M15: 5,209,746 km (0.109 R)
• M16: 5,394,798 km (0.106 R)
• M17: 6,401,891 km (0.112 R)
• M18: 7,130,732 km (0.06 R)
• M19: 7,622,610 km (0.12 R)
• M20: 8,611,601 km (0.118 R)
• M21: 8,693,431 km (0.098 R)
• M22: 9,107,219 km (0.116 R)
• M23: 10,068,685 km (0.071 R)
• M24: 10,299,664 km (0.12 R)
• M25: 10,766,708 km (0.1 R)
• M26: 11,721,741 km (0.103 R)
• M27: 12,301,433 km (0.116 R)
• M28: 12,393,884 km (0.074 R)
• M29: 12,859,433 km (0.103 R)
• M30: 13,047,178 km (0.116 R)
• M31: 13,204,406 km (0.063 R)
• M32: 14,387,276 km (0.09 R)
• M33: 14,647,427 km (0.088 R)
• M34: 14,778,175 km (0.095 R)
• M35: 14,876,461 km (0.106 R)
• M36: 15,670,377 km (0.065 R)
• M37: 16,005,327 km (0.047 R)
• M38: 16,241,093 km (0.048 R)
• M39: 16,648,149 km (0.092 R)
• M40: 16,750,324 km (0.099 R)
• M41: 17,092,754 km (0.064 R)
• M42: 17,576,104 km (0.054 R)
• M43: 17,784,644 km (0.116 R)
• M44: 18,274,277 km (0.105 R)
• M45: 19,052,785 km (0.04 R)
• M46: 19,195,501 km (0.081 R)
• M47: 19,950,671 km (0.079 R)
• M48: 20,131,834 km (0.103 R)
• M49: 20,204,539 km (0.071 R)
• M50: 20,277,243 km (0.104 R)
• M51: 21,824,534 km (0.056 R)
• M52: 23,447,821 km (0.1 R)
• M53: 25,109,703 km (0.098 R)
• M54: 25,462,306 km (0.097 R)
• M55: 25,619,533 km (0.109 R)
• M56: 25,737,566 km (0.088 R)
• M57: 25,816,553 km (0.06 R)
• M58: 26,172,447 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.8

Radius: 5.7

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 14.4 AU - 16.18 AU

Year: 22524 Days

Day: 17.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 70,345,518 km

• M1: 73,153 km (0.09 R)
• M2: 436,078 km (0.116 R)
• M3: 591,510 km (0.084 R)
• M4: 904,170 km (0.12 R)
• M5: 1,052,571 km (0.071 R)
• M6: 1,235,529 km (0.118 R)
• M7: 1,289,683 km (0.111 R)
• M8: 3,634,480 km (0.058 R)
• M9: 4,400,870 km (0.073 R)
• M10: 4,953,185 km (0.046 R)
• M11: 5,127,617 km (0.099 R)
• M12: 5,171,449 km (0.115 R)
• M13: 6,122,143 km (0.112 R)
• M14: 6,262,466 km (0.086 R)
• M15: 6,356,414 km (0.083 R)
• M16: 7,671,229 km (0.08 R)
• M17: 7,923,750 km (0.089 R)
• M18: 7,974,614 km (0.037 R)
• M19: 8,076,639 km (0.099 R)
• M20: 8,178,964 km (0.102 R)
• M21: 8,230,426 km (0.06 R)
• M22: 8,385,110 km (0.032 R)
• M23: 8,488,931 km (0.081 R)
• M24: 9,333,860 km (0.104 R)
• M25: 9,495,276 km (0.087 R)
• M26: 10,371,620 km (0.11 R)
• M27: 10,706,869 km (0.119 R)
• M28: 11,502,879 km (0.107 R)
• M29: 11,560,475 km (0.087 R)
• M30: 11,849,947 km (0.116 R)
• M31: 12,024,677 km (0.074 R)
• M32: 12,911,343 km (0.093 R)
• M33: 13,453,486 km (0.105 R)
• M34: 14,187,862 km (0.082 R)
• M35: 15,060,915 km (0.092 R)
• M36: 16,402,808 km (0.082 R)
• M37: 16,467,584 km (0.117 R)
• M38: 18,250,641 km (0.119 R)
• M39: 19,267,308 km (0.085 R)
• M40: 19,541,671 km (0.073 R)
• M41: 20,791,561 km (0.118 R)
• M42: 21,072,805 km (0.092 R)
• M43: 21,284,635 km (0.038 R)
• M44: 22,642,236 km (0.115 R)
• M45: 22,859,153 km (0.043 R)
• M46: 22,931,558 km (0.117 R)
• M47: 23,149,523 km (0.042 R)
• M48: 23,367,935 km (0.097 R)
• M49: 24,027,662 km (0.061 R)
• M50: 24,544,971 km (0.055 R)
• M51: 26,270,433 km (0.071 R)
• M52: 26,726,856 km (0.087 R)
• M53: 27,109,378 km (0.1 R)
• M54: 27,570,738 km (0.118 R)
• M55: 28,657,118 km (0.065 R)
• M56: 29,048,615 km (0.105 R)
• M57: 30,074,408 km (0.061 R)
• M58: 30,233,430 km (0.083 R)
• M59: 30,711,695 km (0.096 R)
• M60: 33,222,695 km (0.089 R)
• M61: 33,633,790 km (0.109 R)
• M62: 34,627,419 km (0.109 R)
• M63: 36,728,222 km (0.081 R)
• M64: 38,438,425 km (0.083 R)
• M65: 38,697,080 km (0.115 R)
• M66: 40,612,232 km (0.045 R)
• M67: 40,875,823 km (0.089 R)
• M68: 41,316,239 km (0.077 R)
• M69: 41,404,651 km (0.055 R)
• M70: 43,362,738 km (0.082 R)
• M71: 43,452,497 km (0.078 R)
• M72: 44,262,719 km (0.041 R)
• M73: 44,896,415 km (0.049 R)
• M74: 46,447,895 km (0.109 R)
• M75: 46,907,460 km (0.038 R)
• M76: 47,553,573 km (0.094 R)
• M77: 54,270,068 km (0.087 R)
• M78: 55,045,285 km (0.069 R)
• M79: 55,239,612 km (0.107 R)
• M80: 55,531,627 km (0.07 R)
• M81: 56,508,501 km (0.086 R)
• M82: 57,589,795 km (0.113 R)
• M83: 58,777,153 km (0.117 R)
• M84: 59,972,440 km (0.1 R)
• M85: 62,285,821 km (0.091 R)
• M86: 62,894,086 km (0.106 R)
• M87: 63,097,390 km (0.079 R)
• M88: 63,912,399 km (0.085 R)
• M89: 64,730,849 km (0.099 R)
• M90: 66,688,636 km (0.119 R)
• M91: 66,895,829 km (0.027 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 19,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit