G7V Star System Generated (Seed: 1767379966)

Star Details

Spectral Class: G4V

Temperature: 5,640 K

Mass: 1.01 sol

Luminosity: 1.04 lux

Habitable Zone (HZ)

Inner Boundary: 0.97 AU

Outer Boundary: 1.4 AU

Physical Limits

Snow Line: 4.9 AU

Max System Radius: 20.1 AU

Planetary System (8 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.8 AU

Year: 208 Days

Day: 44.9 Hours

Environment

Temp: 178 °C

Axial Tilt: 37.7 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.53 AU - 1.75 AU

Year: 763 Days

Day: 29.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 8.9 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,625,670 km

  • M1: 776,712 km (0.111 R)
  • M2: 908,358 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.53 AU - 3.01 AU

Year: 1676 Days

Day: 27.6 Hours

Environment

Temp: -84 °C

Axial Tilt: 2.8 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,625,670 km

  • M1: 1,904,680 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.5

Radius: 14.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.86 AU - 6.2 AU

Year: 5382 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (44)

Outer Limit: 78,625,670 km

  • M1: 370,404 km (0.11 R)
  • M2: 464,501 km (0.113 R)
  • M3: 744,549 km (0.073 R)
  • M4: 1,116,449 km (0.115 R)
  • M5: 1,456,186 km (0.115 R)
  • M6: 1,585,737 km (0.105 R)
  • M7: 1,746,555 km (0.11 R)
  • M8: 2,323,105 km (0.105 R)
  • M9: 2,745,121 km (0.108 R)
  • M10: 3,039,978 km (0.105 R)
  • M11: 3,345,607 km (0.095 R)
  • M12: 3,822,824 km (0.052 R)
  • M13: 4,005,184 km (0.103 R)
  • M14: 4,550,468 km (0.12 R)
  • M15: 5,794,524 km (0.095 R)
  • M16: 6,281,914 km (0.086 R)
  • M17: 6,584,999 km (0.099 R)
  • M18: 6,937,452 km (0.088 R)
  • M19: 7,845,660 km (0.093 R)
  • M20: 8,172,382 km (0.057 R)
  • M21: 8,694,927 km (0.087 R)
  • M22: 9,008,933 km (0.05 R)
  • M23: 9,474,482 km (0.096 R)
  • M24: 9,948,109 km (0.067 R)
  • M25: 11,309,599 km (0.116 R)
  • M26: 11,573,190 km (0.084 R)
  • M27: 12,838,639 km (0.086 R)
  • M28: 13,362,830 km (0.074 R)
  • M29: 13,725,455 km (0.071 R)
  • M30: 14,460,429 km (0.072 R)
  • M31: 14,717,887 km (0.061 R)
  • M32: 15,382,700 km (0.071 R)
  • M33: 15,762,978 km (0.1 R)
  • M34: 15,909,883 km (0.101 R)
  • M35: 16,264,729 km (0.09 R)
  • M36: 16,562,429 km (0.119 R)
  • M37: 16,711,877 km (0.088 R)
  • M38: 17,253,870 km (0.116 R)
  • M39: 17,466,150 km (0.103 R)
  • M40: 19,731,810 km (0.065 R)
  • M41: 19,826,804 km (0.09 R)
  • M42: 20,818,339 km (0.062 R)
  • M43: 21,858,792 km (0.046 R)
  • M44: 21,989,989 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 11.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.33 AU - 8.95 AU

Year: 7675 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (84)

Outer Limit: 78,625,670 km

  • M1: 242,349 km (0.106 R)
  • M2: 679,922 km (0.038 R)
  • M3: 842,386 km (0.08 R)
  • M4: 1,092,663 km (0.105 R)
  • M5: 1,286,242 km (0.085 R)
  • M6: 1,470,547 km (0.079 R)
  • M7: 1,707,959 km (0.117 R)
  • M8: 1,820,008 km (0.099 R)
  • M9: 1,957,937 km (0.063 R)
  • M10: 2,268,951 km (0.117 R)
  • M11: 2,442,933 km (0.071 R)
  • M12: 2,884,397 km (0.077 R)
  • M13: 3,211,118 km (0.063 R)
  • M14: 3,464,088 km (0.116 R)
  • M15: 3,752,812 km (0.066 R)
  • M16: 3,870,546 km (0.102 R)
  • M17: 4,729,237 km (0.111 R)
  • M18: 5,147,513 km (0.119 R)
  • M19: 5,510,886 km (0.103 R)
  • M20: 5,814,420 km (0.037 R)
  • M21: 6,019,818 km (0.033 R)
  • M22: 6,158,196 km (0.028 R)
  • M23: 7,376,073 km (0.119 R)
  • M24: 7,974,614 km (0.11 R)
  • M25: 8,088,607 km (0.045 R)
  • M26: 10,772,243 km (0.11 R)
  • M27: 10,856,317 km (0.116 R)
  • M28: 11,194,558 km (0.117 R)
  • M29: 11,279,679 km (0.068 R)
  • M30: 11,407,885 km (0.077 R)
  • M31: 11,665,492 km (0.06 R)
  • M32: 12,318,188 km (0.116 R)
  • M33: 13,840,945 km (0.077 R)
  • M34: 13,978,275 km (0.1 R)
  • M35: 15,045,207 km (0.12 R)
  • M36: 16,379,471 km (0.054 R)
  • M37: 17,306,230 km (0.116 R)
  • M38: 18,149,812 km (0.104 R)
  • M39: 18,551,482 km (0.087 R)
  • M40: 18,702,875 km (0.076 R)
  • M41: 18,854,717 km (0.053 R)
  • M42: 19,312,487 km (0.071 R)
  • M43: 19,980,441 km (0.039 R)
  • M44: 20,083,813 km (0.114 R)
  • M45: 20,395,127 km (0.051 R)
  • M46: 20,655,726 km (0.112 R)
  • M47: 20,970,031 km (0.11 R)
  • M48: 21,180,366 km (0.103 R)
  • M49: 22,942,778 km (0.026 R)
  • M50: 24,308,906 km (0.078 R)
  • M51: 24,640,714 km (0.094 R)
  • M52: 24,807,217 km (0.052 R)
  • M53: 26,890,965 km (0.101 R)
  • M54: 27,119,551 km (0.049 R)
  • M55: 27,406,180 km (0.104 R)
  • M56: 28,156,414 km (0.034 R)
  • M57: 28,737,901 km (0.066 R)
  • M58: 28,854,736 km (0.063 R)
  • M59: 29,147,500 km (0.111 R)
  • M60: 29,264,784 km (0.063 R)
  • M61: 29,499,952 km (0.105 R)
  • M62: 30,984,113 km (0.116 R)
  • M63: 31,584,449 km (0.115 R)
  • M64: 31,825,750 km (0.064 R)
  • M65: 33,716,069 km (0.114 R)
  • M66: 34,024,390 km (0.109 R)
  • M67: 35,017,271 km (0.068 R)
  • M68: 36,082,558 km (0.074 R)
  • M69: 36,334,780 km (0.089 R)
  • M70: 36,587,600 km (0.077 R)
  • M71: 39,601,548 km (0.042 R)
  • M72: 39,991,999 km (0.104 R)
  • M73: 40,580,218 km (0.098 R)
  • M74: 40,711,265 km (0.074 R)
  • M75: 41,963,549 km (0.07 R)
  • M76: 42,162,365 km (0.113 R)
  • M77: 42,561,193 km (0.106 R)
  • M78: 42,694,335 km (0.109 R)
  • M79: 43,362,289 km (0.086 R)
  • M80: 44,101,153 km (0.105 R)
  • M81: 44,370,878 km (0.114 R)
  • M82: 44,979,592 km (0.055 R)
  • M83: 45,115,277 km (0.118 R)
  • M84: 45,251,112 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.5

Radius: 9.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.3 AU - 9.82 AU

Year: 9102 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (71)

Outer Limit: 78,625,670 km

  • M1: 274,063 km (0.082 R)
  • M2: 357,539 km (0.097 R)
  • M3: 737,667 km (0.115 R)
  • M4: 821,292 km (0.074 R)
  • M5: 908,358 km (0.077 R)
  • M6: 1,532,630 km (0.064 R)
  • M7: 1,753,586 km (0.107 R)
  • M8: 2,205,970 km (0.091 R)
  • M9: 2,288,399 km (0.076 R)
  • M10: 2,893,821 km (0.086 R)
  • M11: 3,144,846 km (0.062 R)
  • M12: 3,214,559 km (0.108 R)
  • M13: 3,571,051 km (0.058 R)
  • M14: 4,635,440 km (0.083 R)
  • M15: 5,120,137 km (0.096 R)
  • M16: 5,452,244 km (0.082 R)
  • M17: 6,549,544 km (0.095 R)
  • M18: 6,789,200 km (0.048 R)
  • M19: 7,587,903 km (0.115 R)
  • M20: 8,030,115 km (0.116 R)
  • M21: 8,513,465 km (0.104 R)
  • M22: 8,873,846 km (0.082 R)
  • M23: 9,575,760 km (0.082 R)
  • M24: 9,882,136 km (0.118 R)
  • M25: 10,157,097 km (0.063 R)
  • M26: 10,574,325 km (0.107 R)
  • M27: 11,103,752 km (0.056 R)
  • M28: 11,317,977 km (0.103 R)
  • M29: 12,151,835 km (0.088 R)
  • M30: 12,668,995 km (0.088 R)
  • M31: 13,382,427 km (0.114 R)
  • M32: 13,534,419 km (0.099 R)
  • M33: 14,031,831 km (0.086 R)
  • M34: 15,400,951 km (0.117 R)
  • M35: 16,041,080 km (0.118 R)
  • M36: 17,058,346 km (0.107 R)
  • M37: 17,929,155 km (0.07 R)
  • M38: 18,984,419 km (0.097 R)
  • M39: 19,155,110 km (0.028 R)
  • M40: 19,326,399 km (0.039 R)
  • M41: 19,843,110 km (0.102 R)
  • M42: 20,451,824 km (0.1 R)
  • M43: 20,583,021 km (0.077 R)
  • M44: 21,199,065 km (0.097 R)
  • M45: 22,044,892 km (0.088 R)
  • M46: 22,992,594 km (0.051 R)
  • M47: 23,494,196 km (0.038 R)
  • M48: 24,322,968 km (0.086 R)
  • M49: 24,787,470 km (0.098 R)
  • M50: 25,020,842 km (0.109 R)
  • M51: 25,442,858 km (0.092 R)
  • M52: 25,819,844 km (0.042 R)
  • M53: 26,866,132 km (0.099 R)
  • M54: 27,105,937 km (0.103 R)
  • M55: 28,169,129 km (0.119 R)
  • M56: 28,705,887 km (0.112 R)
  • M57: 28,803,873 km (0.118 R)
  • M58: 29,196,867 km (0.115 R)
  • M59: 29,542,139 km (0.071 R)
  • M60: 29,641,023 km (0.117 R)
  • M61: 29,988,090 km (0.058 R)
  • M62: 30,087,423 km (0.096 R)
  • M63: 30,336,354 km (0.061 R)
  • M64: 30,536,067 km (0.089 R)
  • M65: 31,490,501 km (0.071 R)
  • M66: 31,895,313 km (0.073 R)
  • M67: 32,301,771 km (0.095 R)
  • M68: 32,454,660 km (0.037 R)
  • M69: 33,377,080 km (0.073 R)
  • M70: 34,204,207 km (0.099 R)
  • M71: 34,568,178 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.6

Radius: 11.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.28 AU - 10.64 AU

Year: 10575 Days

Day: 12.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (83)

Outer Limit: 78,625,670 km

  • M1: 145,110 km (0.087 R)
  • M2: 265,835 km (0.115 R)
  • M3: 468,391 km (0.076 R)
  • M4: 559,795 km (0.066 R)
  • M5: 681,269 km (0.099 R)
  • M6: 763,697 km (0.067 R)
  • M7: 914,043 km (0.067 R)
  • M8: 1,088,773 km (0.071 R)
  • M9: 1,304,643 km (0.108 R)
  • M10: 1,472,043 km (0.119 R)
  • M11: 1,614,460 km (0.085 R)
  • M12: 1,879,398 km (0.104 R)
  • M13: 1,999,824 km (0.086 R)
  • M14: 2,266,857 km (0.12 R)
  • M15: 2,640,851 km (0.092 R)
  • M16: 3,054,789 km (0.09 R)
  • M17: 3,965,840 km (0.11 R)
  • M18: 4,121,870 km (0.063 R)
  • M19: 4,979,964 km (0.102 R)
  • M20: 5,172,795 km (0.067 R)
  • M21: 5,615,605 km (0.12 R)
  • M22: 5,866,929 km (0.076 R)
  • M23: 6,147,724 km (0.109 R)
  • M24: 6,855,622 km (0.081 R)
  • M25: 6,989,512 km (0.075 R)
  • M26: 7,205,681 km (0.053 R)
  • M27: 7,341,964 km (0.112 R)
  • M28: 7,700,251 km (0.097 R)
  • M29: 8,548,770 km (0.058 R)
  • M30: 8,867,264 km (0.09 R)
  • M31: 9,456,530 km (0.03 R)
  • M32: 9,665,818 km (0.085 R)
  • M33: 9,876,601 km (0.088 R)
  • M34: 10,210,952 km (0.114 R)
  • M35: 10,456,442 km (0.092 R)
  • M36: 11,016,088 km (0.098 R)
  • M37: 11,173,315 km (0.061 R)
  • M38: 11,553,593 km (0.079 R)
  • M39: 11,745,378 km (0.094 R)
  • M40: 12,034,999 km (0.115 R)
  • M41: 12,131,939 km (0.089 R)
  • M42: 12,326,865 km (0.118 R)
  • M43: 12,555,600 km (0.112 R)
  • M44: 12,686,947 km (0.115 R)
  • M45: 13,017,408 km (0.117 R)
  • M46: 13,183,612 km (0.09 R)
  • M47: 14,367,080 km (0.098 R)
  • M48: 14,470,004 km (0.103 R)
  • M49: 14,573,376 km (0.077 R)
  • M50: 14,711,305 km (0.119 R)
  • M51: 14,954,102 km (0.082 R)
  • M52: 15,338,120 km (0.058 R)
  • M53: 16,366,157 km (0.112 R)
  • M54: 16,545,674 km (0.114 R)
  • M55: 16,653,684 km (0.11 R)
  • M56: 17,306,828 km (0.077 R)
  • M57: 17,599,741 km (0.069 R)
  • M58: 18,005,301 km (0.116 R)
  • M59: 18,116,452 km (0.11 R)
  • M60: 18,339,353 km (0.091 R)
  • M61: 18,488,502 km (0.113 R)
  • M62: 18,563,151 km (0.102 R)
  • M63: 19,164,534 km (0.081 R)
  • M64: 20,193,917 km (0.09 R)
  • M65: 20,541,134 km (0.108 R)
  • M66: 21,084,922 km (0.074 R)
  • M67: 21,988,793 km (0.083 R)
  • M68: 22,346,032 km (0.113 R)
  • M69: 22,505,354 km (0.077 R)
  • M70: 22,664,975 km (0.069 R)
  • M71: 23,227,014 km (0.064 R)
  • M72: 23,348,039 km (0.051 R)
  • M73: 23,956,304 km (0.084 R)
  • M74: 24,201,196 km (0.04 R)
  • M75: 24,775,502 km (0.092 R)
  • M76: 25,312,857 km (0.096 R)
  • M77: 25,603,825 km (0.069 R)
  • M78: 25,979,615 km (0.054 R)
  • M79: 26,147,165 km (0.082 R)
  • M80: 26,863,439 km (0.106 R)
  • M81: 27,971,361 km (0.094 R)
  • M82: 28,057,230 km (0.1 R)
  • M83: 29,094,093 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.2

Radius: 4.3

Gravity: 31.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 13.83 AU - 17.79 AU

Year: 22847 Days

Day: 17.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (95)

Outer Limit: 78,625,670 km

  • M1: 590,164 km (0.099 R)
  • M2: 682,017 km (0.06 R)
  • M3: 778,657 km (0.109 R)
  • M4: 1,325,587 km (0.105 R)
  • M5: 1,667,268 km (0.111 R)
  • M6: 1,765,105 km (0.113 R)
  • M7: 2,210,309 km (0.092 R)
  • M8: 3,319,726 km (0.077 R)
  • M9: 4,755,716 km (0.108 R)
  • M10: 5,129,262 km (0.056 R)
  • M11: 5,707,308 km (0.036 R)
  • M12: 6,254,986 km (0.037 R)
  • M13: 6,509,452 km (0.101 R)
  • M14: 6,871,479 km (0.104 R)
  • M15: 7,239,939 km (0.113 R)
  • M16: 7,777,444 km (0.1 R)
  • M17: 7,941,104 km (0.113 R)
  • M18: 9,233,929 km (0.118 R)
  • M19: 9,816,163 km (0.111 R)
  • M20: 10,052,379 km (0.094 R)
  • M21: 10,711,507 km (0.072 R)
  • M22: 11,015,639 km (0.118 R)
  • M23: 11,199,495 km (0.105 R)
  • M24: 11,322,764 km (0.102 R)
  • M25: 11,384,398 km (0.073 R)
  • M26: 11,446,331 km (0.042 R)
  • M27: 11,945,240 km (0.083 R)
  • M28: 12,451,180 km (0.038 R)
  • M29: 14,611,224 km (0.049 R)
  • M30: 14,948,418 km (0.043 R)
  • M31: 15,152,020 km (0.119 R)
  • M32: 15,837,179 km (0.066 R)
  • M33: 16,883,765 km (0.12 R)
  • M34: 17,308,773 km (0.053 R)
  • M35: 17,665,414 km (0.1 R)
  • M36: 18,024,599 km (0.118 R)
  • M37: 18,896,455 km (0.08 R)
  • M38: 20,304,769 km (0.054 R)
  • M39: 20,680,858 km (0.064 R)
  • M40: 21,211,332 km (0.112 R)
  • M41: 21,440,068 km (0.088 R)
  • M42: 21,746,444 km (0.105 R)
  • M43: 22,285,744 km (0.11 R)
  • M44: 23,063,953 km (0.103 R)
  • M45: 24,487,077 km (0.12 R)
  • M46: 25,856,945 km (0.064 R)
  • M47: 26,182,919 km (0.103 R)
  • M48: 26,510,239 km (0.107 R)
  • M49: 27,666,481 km (0.112 R)
  • M50: 27,749,657 km (0.078 R)
  • M51: 28,167,035 km (0.083 R)
  • M52: 28,334,435 km (0.115 R)
  • M53: 31,579,363 km (0.106 R)
  • M54: 31,927,776 km (0.093 R)
  • M55: 32,277,386 km (0.074 R)
  • M56: 33,156,872 km (0.116 R)
  • M57: 34,490,986 km (0.084 R)
  • M58: 35,933,409 km (0.1 R)
  • M59: 37,303,276 km (0.057 R)
  • M60: 37,763,738 km (0.079 R)
  • M61: 41,039,034 km (0.058 R)
  • M62: 42,951,194 km (0.114 R)
  • M63: 44,501,627 km (0.076 R)
  • M64: 45,873,140 km (0.088 R)
  • M65: 46,168,895 km (0.117 R)
  • M66: 47,059,750 km (0.111 R)
  • M67: 48,657,605 km (0.093 R)
  • M68: 48,959,194 km (0.033 R)
  • M69: 49,059,874 km (0.085 R)
  • M70: 50,171,685 km (0.069 R)
  • M71: 51,701,174 km (0.09 R)
  • M72: 54,805,778 km (0.051 R)
  • M73: 55,433,940 km (0.087 R)
  • M74: 55,854,011 km (0.118 R)
  • M75: 56,591,678 km (0.078 R)
  • M76: 57,014,740 km (0.115 R)
  • M77: 57,438,701 km (0.094 R)
  • M78: 58,183,249 km (0.106 R)
  • M79: 58,396,576 km (0.09 R)
  • M80: 59,467,098 km (0.062 R)
  • M81: 61,953,714 km (0.043 R)
  • M82: 63,703,560 km (0.068 R)
  • M83: 64,584,393 km (0.089 R)
  • M84: 67,139,524 km (0.113 R)
  • M85: 68,485,756 km (0.03 R)
  • M86: 68,936,494 km (0.111 R)
  • M87: 69,501,226 km (0.071 R)
  • M88: 70,408,088 km (0.113 R)
  • M89: 71,090,703 km (0.051 R)
  • M90: 71,547,126 km (0.062 R)
  • M91: 72,348,073 km (0.112 R)
  • M92: 73,036,972 km (0.105 R)
  • M93: 73,382,094 km (0.056 R)
  • M94: 73,843,304 km (0.089 R)
  • M95: 77,098,554 km (0.102 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 14,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit