G9V Star System Generated (Seed: 1768685560)

Star Details

Spectral Class: G0V

Temperature: 5,960 K

Mass: 1.09 sol

Luminosity: 1.35 lux

Habitable Zone (HZ)

Inner Boundary: 1.11 AU

Outer Boundary: 1.6 AU

Physical Limits

Snow Line: 5.58 AU

Max System Radius: 20.9 AU

Planetary System (10 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.46 AU - 0.56 AU

Year: 127 Days

Day: 41.3 Hours

Environment

Temp: 201 °C

Axial Tilt: 10.5 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.78 AU - 1 AU

Year: 294 Days

Day: 12.2 Hours

Environment

Temp: 165 °C

Axial Tilt: 4.1 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,907,779 km

  • M1: 118,631 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.87 AU - 6.25 AU

Year: 3982 Days

Day: 22.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.5 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,907,779 km

  • M1: 3,541,730 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.89 AU - 6.39 AU

Year: 4077 Days

Day: 47.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.5 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.13 AU - 5.97 AU

Year: 4574 Days

Day: 21 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.8 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 9.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.27 AU - 6.05 AU

Year: 4711 Days

Day: 12.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 112.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (75)

Outer Limit: 99,907,779 km

  • M1: 133,142 km (0.089 R)
  • M2: 222,003 km (0.066 R)
  • M3: 281,992 km (0.067 R)
  • M4: 447,746 km (0.119 R)
  • M5: 621,878 km (0.106 R)
  • M6: 772,224 km (0.065 R)
  • M7: 866,620 km (0.081 R)
  • M8: 1,195,437 km (0.083 R)
  • M9: 1,261,409 km (0.098 R)
  • M10: 1,455,138 km (0.085 R)
  • M11: 1,609,972 km (0.105 R)
  • M12: 1,782,907 km (0.051 R)
  • M13: 1,858,903 km (0.079 R)
  • M14: 1,974,991 km (0.1 R)
  • M15: 2,080,308 km (0.054 R)
  • M16: 2,147,178 km (0.108 R)
  • M17: 2,310,390 km (0.101 R)
  • M18: 2,477,939 km (0.048 R)
  • M19: 2,899,057 km (0.111 R)
  • M20: 3,218,149 km (0.036 R)
  • M21: 3,453,018 km (0.086 R)
  • M22: 3,644,952 km (0.087 R)
  • M23: 3,774,953 km (0.108 R)
  • M24: 4,293,010 km (0.059 R)
  • M25: 4,569,317 km (0.074 R)
  • M26: 4,851,309 km (0.097 R)
  • M27: 4,958,571 km (0.081 R)
  • M28: 5,121,034 km (0.095 R)
  • M29: 5,303,394 km (0.059 R)
  • M30: 5,543,947 km (0.032 R)
  • M31: 5,637,297 km (0.09 R)
  • M32: 5,769,092 km (0.093 R)
  • M33: 5,997,229 km (0.074 R)
  • M34: 6,131,718 km (0.065 R)
  • M35: 6,306,149 km (0.08 R)
  • M36: 6,640,201 km (0.097 R)
  • M37: 7,759,791 km (0.115 R)
  • M38: 8,160,115 km (0.115 R)
  • M39: 8,784,088 km (0.108 R)
  • M40: 9,046,782 km (0.081 R)
  • M41: 9,245,448 km (0.093 R)
  • M42: 9,445,610 km (0.111 R)
  • M43: 9,557,509 km (0.064 R)
  • M44: 9,850,421 km (0.089 R)
  • M45: 10,169,065 km (0.106 R)
  • M46: 10,560,562 km (0.052 R)
  • M47: 11,027,607 km (0.073 R)
  • M48: 11,098,217 km (0.097 R)
  • M49: 11,358,518 km (0.111 R)
  • M50: 11,477,597 km (0.093 R)
  • M51: 11,549,105 km (0.041 R)
  • M52: 11,740,740 km (0.113 R)
  • M53: 12,054,447 km (0.111 R)
  • M54: 12,224,540 km (0.117 R)
  • M55: 12,419,765 km (0.105 R)
  • M56: 12,566,969 km (0.108 R)
  • M57: 12,690,088 km (0.114 R)
  • M58: 12,838,340 km (0.119 R)
  • M59: 13,161,471 km (0.037 R)
  • M60: 13,537,710 km (0.11 R)
  • M61: 13,841,244 km (0.032 R)
  • M62: 13,917,389 km (0.104 R)
  • M63: 14,249,496 km (0.115 R)
  • M64: 14,661,639 km (0.101 R)
  • M65: 14,739,280 km (0.093 R)
  • M66: 15,339,766 km (0.039 R)
  • M67: 15,974,809 km (0.077 R)
  • M68: 16,268,768 km (0.11 R)
  • M69: 16,699,610 km (0.112 R)
  • M70: 17,188,646 km (0.103 R)
  • M71: 17,407,657 km (0.063 R)
  • M72: 17,599,890 km (0.103 R)
  • M73: 18,208,903 km (0.116 R)
  • M74: 18,320,354 km (0.036 R)
  • M75: 18,404,128 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 13.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.88 AU - 6.96 AU

Year: 6368 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 47 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (70)

Outer Limit: 99,907,779 km

  • M1: 172,337 km (0.037 R)
  • M2: 268,827 km (0.11 R)
  • M3: 446,400 km (0.084 R)
  • M4: 667,057 km (0.104 R)
  • M5: 948,750 km (0.107 R)
  • M6: 1,150,856 km (0.095 R)
  • M7: 1,281,904 km (0.111 R)
  • M8: 1,380,639 km (0.108 R)
  • M9: 1,520,662 km (0.086 R)
  • M10: 1,625,830 km (0.107 R)
  • M11: 1,747,154 km (0.102 R)
  • M12: 2,028,098 km (0.097 R)
  • M13: 2,415,557 km (0.118 R)
  • M14: 2,826,801 km (0.037 R)
  • M15: 2,991,060 km (0.062 R)
  • M16: 3,450,475 km (0.105 R)
  • M17: 3,662,006 km (0.102 R)
  • M18: 3,841,673 km (0.074 R)
  • M19: 4,079,534 km (0.064 R)
  • M20: 4,190,984 km (0.113 R)
  • M21: 4,589,363 km (0.105 R)
  • M22: 5,566,088 km (0.084 R)
  • M23: 5,835,963 km (0.111 R)
  • M24: 6,025,353 km (0.099 R)
  • M25: 6,131,418 km (0.095 R)
  • M26: 6,715,149 km (0.078 R)
  • M27: 6,935,956 km (0.064 R)
  • M28: 7,181,745 km (0.072 R)
  • M29: 7,843,267 km (0.084 R)
  • M30: 7,982,692 km (0.031 R)
  • M31: 8,311,059 km (0.104 R)
  • M32: 8,500,600 km (0.032 R)
  • M33: 8,739,807 km (0.112 R)
  • M34: 8,956,873 km (0.078 R)
  • M35: 9,322,790 km (0.042 R)
  • M36: 9,495,126 km (0.101 R)
  • M37: 9,718,476 km (0.057 R)
  • M38: 9,918,339 km (0.12 R)
  • M39: 10,500,723 km (0.11 R)
  • M40: 10,757,433 km (0.096 R)
  • M41: 10,912,566 km (0.103 R)
  • M42: 11,487,471 km (0.082 R)
  • M43: 12,099,027 km (0.117 R)
  • M44: 12,449,385 km (0.092 R)
  • M45: 12,748,431 km (0.085 R)
  • M46: 13,381,679 km (0.096 R)
  • M47: 13,492,830 km (0.119 R)
  • M48: 13,716,030 km (0.067 R)
  • M49: 14,137,896 km (0.11 R)
  • M50: 14,793,285 km (0.066 R)
  • M51: 14,937,048 km (0.077 R)
  • M52: 15,780,032 km (0.075 R)
  • M53: 16,103,912 km (0.073 R)
  • M54: 16,370,495 km (0.108 R)
  • M55: 16,608,804 km (0.049 R)
  • M56: 16,878,081 km (0.115 R)
  • M57: 17,451,639 km (0.1 R)
  • M58: 17,878,292 km (0.042 R)
  • M59: 18,000,813 km (0.062 R)
  • M60: 18,462,771 km (0.081 R)
  • M61: 18,586,638 km (0.035 R)
  • M62: 18,991,150 km (0.102 R)
  • M63: 19,178,746 km (0.049 R)
  • M64: 19,430,071 km (0.114 R)
  • M65: 19,682,293 km (0.057 R)
  • M66: 20,349,798 km (0.097 R)
  • M67: 21,024,634 km (0.104 R)
  • M68: 21,316,051 km (0.043 R)
  • M69: 21,511,276 km (0.054 R)
  • M70: 21,968,747 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 14.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.53 AU - 13.65 AU

Year: 13804 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (31)

Outer Limit: 99,907,779 km

  • M1: 222,003 km (0.09 R)
  • M2: 379,380 km (0.111 R)
  • M3: 2,972,510 km (0.083 R)
  • M4: 3,172,821 km (0.052 R)
  • M5: 3,657,967 km (0.111 R)
  • M6: 5,231,288 km (0.079 R)
  • M7: 5,597,504 km (0.049 R)
  • M8: 6,549,544 km (0.078 R)
  • M9: 6,922,342 km (0.108 R)
  • M10: 7,574,439 km (0.092 R)
  • M11: 8,316,744 km (0.12 R)
  • M12: 8,768,679 km (0.111 R)
  • M13: 9,622,135 km (0.085 R)
  • M14: 10,146,924 km (0.079 R)
  • M15: 10,349,330 km (0.079 R)
  • M16: 11,355,376 km (0.108 R)
  • M17: 11,460,244 km (0.059 R)
  • M18: 11,644,698 km (0.03 R)
  • M19: 11,830,200 km (0.12 R)
  • M20: 12,365,461 km (0.039 R)
  • M21: 13,598,746 km (0.109 R)
  • M22: 14,842,353 km (0.091 R)
  • M23: 16,033,750 km (0.119 R)
  • M24: 17,801,847 km (0.104 R)
  • M25: 18,015,623 km (0.11 R)
  • M26: 18,291,930 km (0.118 R)
  • M27: 19,852,086 km (0.092 R)
  • M28: 20,680,110 km (0.1 R)
  • M29: 21,292,415 km (0.104 R)
  • M30: 21,519,504 km (0.067 R)
  • M31: 21,780,104 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.2

Radius: 14.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 11.15 AU - 14.11 AU

Year: 15703 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (86)

Outer Limit: 99,907,779 km

  • M1: 335,548 km (0.082 R)
  • M2: 704,905 km (0.062 R)
  • M3: 1,120,638 km (0.094 R)
  • M4: 1,276,219 km (0.076 R)
  • M5: 1,384,229 km (0.115 R)
  • M6: 1,581,100 km (0.097 R)
  • M7: 1,697,936 km (0.104 R)
  • M8: 1,787,695 km (0.113 R)
  • M9: 1,940,883 km (0.044 R)
  • M10: 2,163,185 km (0.094 R)
  • M11: 2,916,261 km (0.071 R)
  • M12: 3,209,473 km (0.11 R)
  • M13: 3,825,068 km (0.096 R)
  • M14: 4,065,472 km (0.085 R)
  • M15: 4,946,154 km (0.11 R)
  • M16: 5,076,903 km (0.026 R)
  • M17: 5,430,852 km (0.094 R)
  • M18: 6,210,107 km (0.118 R)
  • M19: 6,493,595 km (0.043 R)
  • M20: 7,171,722 km (0.05 R)
  • M21: 9,339,096 km (0.111 R)
  • M22: 9,993,287 km (0.11 R)
  • M23: 10,493,842 km (0.079 R)
  • M24: 11,059,471 km (0.09 R)
  • M25: 12,815,750 km (0.097 R)
  • M26: 13,603,682 km (0.05 R)
  • M27: 14,532,236 km (0.093 R)
  • M28: 14,972,503 km (0.104 R)
  • M29: 15,417,257 km (0.089 R)
  • M30: 15,866,500 km (0.047 R)
  • M31: 16,125,005 km (0.105 R)
  • M32: 16,450,231 km (0.09 R)
  • M33: 16,580,979 km (0.08 R)
  • M34: 19,267,009 km (0.089 R)
  • M35: 19,473,753 km (0.12 R)
  • M36: 19,612,131 km (0.076 R)
  • M37: 20,029,061 km (0.045 R)
  • M38: 20,589,604 km (0.079 R)
  • M39: 20,871,745 km (0.06 R)
  • M40: 21,368,709 km (0.079 R)
  • M41: 22,374,306 km (0.108 R)
  • M42: 23,468,764 km (0.106 R)
  • M43: 25,331,407 km (0.114 R)
  • M44: 26,471,792 km (0.093 R)
  • M45: 28,960,203 km (0.102 R)
  • M46: 31,929,422 km (0.068 R)
  • M47: 32,419,953 km (0.053 R)
  • M48: 32,666,191 km (0.109 R)
  • M49: 32,995,456 km (0.09 R)
  • M50: 33,657,277 km (0.034 R)
  • M51: 35,246,754 km (0.051 R)
  • M52: 35,500,024 km (0.068 R)
  • M53: 36,008,207 km (0.114 R)
  • M54: 37,633,439 km (0.03 R)
  • M55: 38,585,330 km (0.112 R)
  • M56: 39,020,660 km (0.047 R)
  • M57: 39,896,107 km (0.07 R)
  • M58: 40,072,034 km (0.082 R)
  • M59: 40,248,110 km (0.083 R)
  • M60: 41,399,266 km (0.094 R)
  • M61: 42,381,825 km (0.109 R)
  • M62: 43,733,890 km (0.086 R)
  • M63: 46,943,662 km (0.111 R)
  • M64: 47,687,912 km (0.115 R)
  • M65: 48,248,754 km (0.06 R)
  • M66: 50,799,099 km (0.09 R)
  • M67: 52,331,130 km (0.086 R)
  • M68: 52,620,004 km (0.088 R)
  • M69: 52,716,494 km (0.096 R)
  • M70: 53,878,272 km (0.075 R)
  • M71: 54,072,749 km (0.078 R)
  • M72: 54,755,065 km (0.107 R)
  • M73: 54,852,752 km (0.042 R)
  • M74: 55,146,263 km (0.103 R)
  • M75: 55,342,236 km (0.052 R)
  • M76: 58,509,223 km (0.104 R)
  • M77: 58,809,017 km (0.086 R)
  • M78: 60,518,173 km (0.109 R)
  • M79: 62,447,686 km (0.062 R)
  • M80: 64,088,027 km (0.114 R)
  • M81: 64,191,100 km (0.053 R)
  • M82: 66,054,491 km (0.118 R)
  • M83: 66,679,511 km (0.059 R)
  • M84: 67,201,907 km (0.114 R)
  • M85: 71,003,189 km (0.063 R)
  • M86: 71,323,029 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.6

Radius: 5.4

Gravity: 31.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 17.55 AU - 17.65 AU

Year: 25831 Days

Day: 19.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.2 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (94)

Outer Limit: 99,907,779 km

  • M1: 76,145 km (0.07 R)
  • M2: 166,951 km (0.029 R)
  • M3: 349,610 km (0.104 R)
  • M4: 415,433 km (0.107 R)
  • M5: 585,975 km (0.098 R)
  • M6: 665,711 km (0.094 R)
  • M7: 777,759 km (0.109 R)
  • M8: 1,052,122 km (0.117 R)
  • M9: 1,996,084 km (0.043 R)
  • M10: 2,944,535 km (0.068 R)
  • M11: 3,859,625 km (0.077 R)
  • M12: 3,910,040 km (0.096 R)
  • M13: 4,062,779 km (0.106 R)
  • M14: 4,532,516 km (0.095 R)
  • M15: 4,639,329 km (0.102 R)
  • M16: 6,516,932 km (0.116 R)
  • M17: 6,637,508 km (0.039 R)
  • M18: 6,819,718 km (0.111 R)
  • M19: 8,076,191 km (0.112 R)
  • M20: 8,664,409 km (0.063 R)
  • M21: 10,020,365 km (0.099 R)
  • M22: 10,229,502 km (0.058 R)
  • M23: 11,879,417 km (0.062 R)
  • M24: 12,026,771 km (0.068 R)
  • M25: 12,472,423 km (0.091 R)
  • M26: 13,687,158 km (0.115 R)
  • M27: 13,996,676 km (0.073 R)
  • M28: 14,622,593 km (0.09 R)
  • M29: 15,739,940 km (0.12 R)
  • M30: 15,982,887 km (0.093 R)
  • M31: 16,227,180 km (0.076 R)
  • M32: 17,886,669 km (0.041 R)
  • M33: 18,055,565 km (0.051 R)
  • M34: 18,650,965 km (0.102 R)
  • M35: 19,080,161 km (0.057 R)
  • M36: 22,355,607 km (0.117 R)
  • M37: 22,628,623 km (0.092 R)
  • M38: 24,010,757 km (0.103 R)
  • M39: 26,278,063 km (0.074 R)
  • M40: 26,566,338 km (0.073 R)
  • M41: 28,810,456 km (0.102 R)
  • M42: 29,008,523 km (0.112 R)
  • M43: 30,709,600 km (0.092 R)
  • M44: 30,810,729 km (0.097 R)
  • M45: 32,752,060 km (0.03 R)
  • M46: 33,373,340 km (0.095 R)
  • M47: 33,893,941 km (0.058 R)
  • M48: 33,998,510 km (0.092 R)
  • M49: 34,522,401 km (0.096 R)
  • M50: 34,627,419 km (0.064 R)
  • M51: 36,323,560 km (0.092 R)
  • M52: 37,181,653 km (0.043 R)
  • M53: 39,685,622 km (0.12 R)
  • M54: 39,905,980 km (0.09 R)
  • M55: 42,919,629 km (0.066 R)
  • M56: 44,739,786 km (0.07 R)
  • M57: 48,454,900 km (0.072 R)
  • M58: 51,065,832 km (0.028 R)
  • M59: 51,425,315 km (0.098 R)
  • M60: 52,146,975 km (0.093 R)
  • M61: 53,722,091 km (0.071 R)
  • M62: 55,928,510 km (0.119 R)
  • M63: 56,794,682 km (0.069 R)
  • M64: 59,797,410 km (0.112 R)
  • M65: 60,176,491 km (0.104 R)
  • M66: 63,622,927 km (0.11 R)
  • M67: 64,138,890 km (0.068 R)
  • M68: 65,565,156 km (0.033 R)
  • M69: 66,739,799 km (0.115 R)
  • M70: 68,052,969 km (0.04 R)
  • M71: 70,305,165 km (0.109 R)
  • M72: 72,178,130 km (0.098 R)
  • M73: 72,446,958 km (0.113 R)
  • M74: 72,851,021 km (0.118 R)
  • M75: 73,120,746 km (0.087 R)
  • M76: 73,526,007 km (0.054 R)
  • M77: 74,338,623 km (0.06 R)
  • M78: 75,836,247 km (0.075 R)
  • M79: 76,109,712 km (0.103 R)
  • M80: 76,246,444 km (0.117 R)
  • M81: 83,613,391 km (0.106 R)
  • M82: 83,895,832 km (0.104 R)
  • M83: 84,037,053 km (0.085 R)
  • M84: 87,023,176 km (0.105 R)
  • M85: 87,309,356 km (0.106 R)
  • M86: 88,888,960 km (0.095 R)
  • M87: 90,333,328 km (0.093 R)
  • M88: 91,058,279 km (0.111 R)
  • M89: 92,076,592 km (0.026 R)
  • M90: 94,271,342 km (0.049 R)
  • M91: 95,448,827 km (0.066 R)
  • M92: 95,891,637 km (0.106 R)
  • M93: 96,779,350 km (0.085 R)
  • M94: 98,116,007 km (0.12 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 13,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit