G6V Star System Generated (Seed: 1767287802)

Star Details

Spectral Class: G8V

Temperature: 5,280 K

Mass: 0.92 sol

Luminosity: 0.75 lux

Habitable Zone (HZ)

Inner Boundary: 0.83 AU

Outer Boundary: 1.19 AU

Physical Limits

Snow Line: 4.16 AU

Max System Radius: 19.2 AU

Planetary System (6 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.35 AU - 1.51 AU

Year: 651 Days

Day: 35.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 4 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 10.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.15 AU - 5.23 AU

Year: 3266 Days

Day: 12 Hours

Environment

Temp: -132 °C

Axial Tilt: 39 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (74)

Outer Limit: 78,017,025 km

  • M1: 133,740 km (0.059 R)
  • M2: 362,176 km (0.04 R)
  • M3: 516,861 km (0.037 R)
  • M4: 724,652 km (0.115 R)
  • M5: 793,467 km (0.12 R)
  • M6: 971,040 km (0.099 R)
  • M7: 1,093,261 km (0.066 R)
  • M8: 1,162,226 km (0.117 R)
  • M9: 1,365,829 km (0.064 R)
  • M10: 1,754,035 km (0.089 R)
  • M11: 2,074,623 km (0.088 R)
  • M12: 2,279,124 km (0.057 R)
  • M13: 2,771,151 km (0.064 R)
  • M14: 2,851,036 km (0.025 R)
  • M15: 3,029,656 km (0.083 R)
  • M16: 3,128,540 km (0.07 R)
  • M17: 3,245,526 km (0.08 R)
  • M18: 3,329,899 km (0.076 R)
  • M19: 3,449,278 km (0.096 R)
  • M20: 3,905,252 km (0.107 R)
  • M21: 3,995,161 km (0.107 R)
  • M22: 4,140,420 km (0.102 R)
  • M23: 4,306,025 km (0.106 R)
  • M24: 4,624,818 km (0.096 R)
  • M25: 4,796,856 km (0.067 R)
  • M26: 4,912,644 km (0.095 R)
  • M27: 5,048,928 km (0.103 R)
  • M28: 5,955,192 km (0.078 R)
  • M29: 6,079,807 km (0.113 R)
  • M30: 6,184,226 km (0.054 R)
  • M31: 6,310,487 km (0.099 R)
  • M32: 6,395,159 km (0.064 R)
  • M33: 6,694,355 km (0.112 R)
  • M34: 6,889,281 km (0.033 R)
  • M35: 7,064,011 km (0.07 R)
  • M36: 7,642,058 km (0.038 R)
  • M37: 7,755,004 km (0.045 R)
  • M38: 7,982,542 km (0.057 R)
  • M39: 8,351,301 km (0.113 R)
  • M40: 8,514,363 km (0.077 R)
  • M41: 8,914,836 km (0.103 R)
  • M42: 9,153,146 km (0.062 R)
  • M43: 9,273,273 km (0.025 R)
  • M44: 9,490,639 km (0.111 R)
  • M45: 9,587,728 km (0.105 R)
  • M46: 9,807,487 km (0.075 R)
  • M47: 10,078,409 km (0.06 R)
  • M48: 10,152,759 km (0.08 R)
  • M49: 10,376,856 km (0.104 R)
  • M50: 10,451,954 km (0.044 R)
  • M51: 10,880,702 km (0.112 R)
  • M52: 11,135,617 km (0.119 R)
  • M53: 12,148,544 km (0.098 R)
  • M54: 12,439,512 km (0.107 R)
  • M55: 12,947,696 km (0.04 R)
  • M56: 13,028,479 km (0.112 R)
  • M57: 13,544,591 km (0.061 R)
  • M58: 14,150,463 km (0.052 R)
  • M59: 14,849,683 km (0.095 R)
  • M60: 15,246,117 km (0.049 R)
  • M61: 16,020,586 km (0.093 R)
  • M62: 16,573,350 km (0.084 R)
  • M63: 16,661,164 km (0.074 R)
  • M64: 16,896,182 km (0.066 R)
  • M65: 17,043,685 km (0.104 R)
  • M66: 17,548,129 km (0.11 R)
  • M67: 18,298,961 km (0.054 R)
  • M68: 18,480,723 km (0.103 R)
  • M69: 18,907,226 km (0.102 R)
  • M70: 19,275,386 km (0.119 R)
  • M71: 19,553,040 km (0.111 R)
  • M72: 20,425,345 km (0.053 R)
  • M73: 20,739,950 km (0.108 R)
  • M74: 21,278,502 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 8.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.39 AU - 6.95 AU

Year: 5836 Days

Day: 6.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (60)

Outer Limit: 78,017,025 km

  • M1: 105,766 km (0.108 R)
  • M2: 249,230 km (0.105 R)
  • M3: 417,378 km (0.081 R)
  • M4: 495,767 km (0.075 R)
  • M5: 668,852 km (0.06 R)
  • M6: 750,981 km (0.11 R)
  • M7: 811,868 km (0.085 R)
  • M8: 926,011 km (0.107 R)
  • M9: 978,520 km (0.065 R)
  • M10: 1,045,689 km (0.052 R)
  • M11: 1,435,541 km (0.049 R)
  • M12: 1,901,688 km (0.119 R)
  • M13: 2,090,331 km (0.111 R)
  • M14: 2,160,343 km (0.054 R)
  • M15: 2,231,402 km (0.118 R)
  • M16: 2,285,107 km (0.09 R)
  • M17: 3,042,521 km (0.07 R)
  • M18: 3,202,890 km (0.085 R)
  • M19: 3,807,116 km (0.054 R)
  • M20: 3,893,285 km (0.081 R)
  • M21: 4,559,893 km (0.032 R)
  • M22: 5,285,592 km (0.054 R)
  • M23: 5,406,018 km (0.11 R)
  • M24: 6,072,028 km (0.086 R)
  • M25: 6,350,878 km (0.058 R)
  • M26: 7,319,076 km (0.103 R)
  • M27: 7,670,182 km (0.074 R)
  • M28: 9,273,572 km (0.067 R)
  • M29: 9,389,810 km (0.101 R)
  • M30: 9,594,609 km (0.092 R)
  • M31: 9,712,193 km (0.063 R)
  • M32: 10,640,298 km (0.064 R)
  • M33: 10,792,589 km (0.092 R)
  • M34: 11,007,112 km (0.081 R)
  • M35: 11,847,703 km (0.114 R)
  • M36: 12,068,958 km (0.06 R)
  • M37: 12,291,709 km (0.092 R)
  • M38: 13,065,429 km (0.095 R)
  • M39: 13,458,124 km (0.093 R)
  • M40: 13,589,919 km (0.071 R)
  • M41: 14,288,841 km (0.111 R)
  • M42: 15,341,860 km (0.116 R)
  • M43: 15,999,642 km (0.113 R)
  • M44: 16,772,764 km (0.1 R)
  • M45: 17,199,566 km (0.117 R)
  • M46: 18,979,183 km (0.093 R)
  • M47: 19,722,235 km (0.102 R)
  • M48: 21,313,508 km (0.118 R)
  • M49: 21,428,848 km (0.109 R)
  • M50: 21,544,188 km (0.099 R)
  • M51: 22,397,195 km (0.11 R)
  • M52: 22,631,764 km (0.101 R)
  • M53: 23,103,147 km (0.081 R)
  • M54: 23,856,372 km (0.042 R)
  • M55: 25,061,982 km (0.114 R)
  • M56: 25,672,191 km (0.096 R)
  • M57: 26,205,059 km (0.095 R)
  • M58: 26,617,351 km (0.05 R)
  • M59: 27,490,254 km (0.113 R)
  • M60: 28,203,836 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.4

Radius: 10.8

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.06 AU - 7.6 AU

Year: 7557 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (78)

Outer Limit: 78,017,025 km

  • M1: 182,360 km (0.079 R)
  • M2: 252,072 km (0.076 R)
  • M3: 372,499 km (0.12 R)
  • M4: 454,778 km (0.086 R)
  • M5: 685,757 km (0.077 R)
  • M6: 761,304 km (0.093 R)
  • M7: 839,842 km (0.114 R)
  • M8: 2,039,917 km (0.054 R)
  • M9: 2,129,974 km (0.112 R)
  • M10: 2,267,605 km (0.061 R)
  • M11: 2,455,649 km (0.086 R)
  • M12: 2,797,480 km (0.063 R)
  • M13: 3,285,618 km (0.078 R)
  • M14: 3,499,244 km (0.111 R)
  • M15: 3,635,079 km (0.112 R)
  • M16: 3,940,258 km (0.08 R)
  • M17: 4,138,775 km (0.082 R)
  • M18: 4,340,732 km (0.081 R)
  • M19: 4,605,071 km (0.115 R)
  • M20: 5,211,541 km (0.063 R)
  • M21: 5,461,220 km (0.114 R)
  • M22: 5,555,766 km (0.117 R)
  • M23: 6,200,832 km (0.09 R)
  • M24: 6,465,470 km (0.107 R)
  • M25: 7,178,005 km (0.119 R)
  • M26: 7,456,107 km (0.095 R)
  • M27: 8,347,711 km (0.083 R)
  • M28: 9,499,614 km (0.114 R)
  • M29: 10,582,553 km (0.102 R)
  • M30: 10,899,252 km (0.099 R)
  • M31: 12,362,319 km (0.08 R)
  • M32: 13,244,049 km (0.096 R)
  • M33: 13,456,927 km (0.067 R)
  • M34: 13,585,282 km (0.063 R)
  • M35: 13,671,001 km (0.028 R)
  • M36: 14,015,825 km (0.092 R)
  • M37: 14,189,358 km (0.089 R)
  • M38: 14,276,424 km (0.088 R)
  • M39: 15,067,647 km (0.106 R)
  • M40: 15,603,058 km (0.079 R)
  • M41: 15,963,589 km (0.119 R)
  • M42: 17,061,188 km (0.071 R)
  • M43: 18,753,140 km (0.114 R)
  • M44: 19,473,903 km (0.064 R)
  • M45: 19,619,162 km (0.049 R)
  • M46: 19,716,102 km (0.095 R)
  • M47: 20,057,035 km (0.072 R)
  • M48: 21,290,171 km (0.092 R)
  • M49: 22,395,549 km (0.057 R)
  • M50: 22,700,280 km (0.087 R)
  • M51: 22,904,182 km (0.115 R)
  • M52: 23,571,089 km (0.081 R)
  • M53: 23,674,162 km (0.097 R)
  • M54: 24,452,819 km (0.117 R)
  • M55: 25,768,981 km (0.099 R)
  • M56: 25,928,453 km (0.112 R)
  • M57: 26,569,779 km (0.119 R)
  • M58: 27,216,341 km (0.06 R)
  • M59: 29,297,546 km (0.093 R)
  • M60: 30,189,150 km (0.089 R)
  • M61: 31,372,768 km (0.118 R)
  • M62: 32,284,866 km (0.083 R)
  • M63: 32,686,536 km (0.071 R)
  • M64: 32,916,917 km (0.109 R)
  • M65: 33,032,257 km (0.095 R)
  • M66: 33,379,174 km (0.061 R)
  • M67: 33,611,201 km (0.101 R)
  • M68: 33,785,482 km (0.049 R)
  • M69: 34,193,286 km (0.098 R)
  • M70: 34,544,243 km (0.093 R)
  • M71: 35,308,688 km (0.114 R)
  • M72: 35,841,107 km (0.07 R)
  • M73: 38,361,083 km (0.06 R)
  • M74: 39,642,389 km (0.081 R)
  • M75: 40,319,169 km (0.11 R)
  • M76: 40,875,673 km (0.053 R)
  • M77: 40,999,690 km (0.075 R)
  • M78: 41,684,100 km (0.097 R)

Asteroid Belt

Center: 8.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 8.9

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.14 AU - 10.58 AU

Year: 12698 Days

Day: 11.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (92)

Outer Limit: 78,017,025 km

  • M1: 124,166 km (0.088 R)
  • M2: 189,690 km (0.103 R)
  • M3: 430,393 km (0.079 R)
  • M4: 586,274 km (0.083 R)
  • M5: 689,347 km (0.117 R)
  • M6: 1,317,658 km (0.118 R)
  • M7: 1,697,337 km (0.083 R)
  • M8: 2,110,078 km (0.114 R)
  • M9: 2,272,990 km (0.1 R)
  • M10: 2,965,030 km (0.086 R)
  • M11: 3,751,167 km (0.095 R)
  • M12: 3,915,874 km (0.095 R)
  • M13: 3,982,445 km (0.079 R)
  • M14: 4,218,361 km (0.113 R)
  • M15: 4,286,727 km (0.097 R)
  • M16: 6,071,579 km (0.107 R)
  • M17: 6,698,693 km (0.065 R)
  • M18: 6,939,247 km (0.082 R)
  • M19: 7,020,030 km (0.112 R)
  • M20: 7,101,261 km (0.047 R)
  • M21: 9,051,868 km (0.119 R)
  • M22: 9,407,013 km (0.115 R)
  • M23: 10,268,996 km (0.071 R)
  • M24: 10,686,225 km (0.09 R)
  • M25: 10,873,372 km (0.046 R)
  • M26: 11,156,112 km (0.042 R)
  • M27: 11,298,379 km (0.047 R)
  • M28: 11,584,859 km (0.033 R)
  • M29: 11,680,901 km (0.103 R)
  • M30: 12,705,048 km (0.081 R)
  • M31: 14,268,795 km (0.051 R)
  • M32: 14,371,867 km (0.065 R)
  • M33: 14,578,462 km (0.119 R)
  • M34: 16,374,684 km (0.099 R)
  • M35: 16,753,166 km (0.09 R)
  • M36: 16,916,228 km (0.038 R)
  • M37: 17,628,912 km (0.087 R)
  • M38: 18,631,966 km (0.043 R)
  • M39: 20,055,539 km (0.074 R)
  • M40: 20,402,457 km (0.119 R)
  • M41: 21,513,969 km (0.12 R)
  • M42: 21,691,242 km (0.052 R)
  • M43: 22,285,744 km (0.12 R)
  • M44: 22,584,940 km (0.106 R)
  • M45: 22,945,770 km (0.093 R)
  • M46: 24,039,929 km (0.113 R)
  • M47: 24,716,710 km (0.106 R)
  • M48: 25,837,946 km (0.06 R)
  • M49: 25,900,777 km (0.107 R)
  • M50: 27,039,366 km (0.088 R)
  • M51: 27,614,869 km (0.067 R)
  • M52: 27,743,224 km (0.096 R)
  • M53: 27,871,878 km (0.106 R)
  • M54: 27,936,206 km (0.045 R)
  • M55: 28,065,159 km (0.12 R)
  • M56: 30,022,647 km (0.079 R)
  • M57: 30,286,987 km (0.05 R)
  • M58: 31,284,954 km (0.041 R)
  • M59: 32,429,228 km (0.116 R)
  • M60: 32,496,846 km (0.042 R)
  • M61: 32,700,299 km (0.063 R)
  • M62: 33,313,351 km (0.104 R)
  • M63: 35,174,947 km (0.049 R)
  • M64: 36,293,939 km (0.099 R)
  • M65: 36,434,561 km (0.086 R)
  • M66: 36,716,553 km (0.057 R)
  • M67: 37,495,659 km (0.116 R)
  • M68: 38,423,465 km (0.107 R)
  • M69: 39,214,389 km (0.082 R)
  • M70: 39,575,668 km (0.065 R)
  • M71: 39,647,924 km (0.061 R)
  • M72: 40,155,958 km (0.092 R)
  • M73: 40,228,663 km (0.116 R)
  • M74: 40,374,371 km (0.042 R)
  • M75: 40,447,225 km (0.059 R)
  • M76: 40,520,079 km (0.098 R)
  • M77: 41,472,120 km (0.102 R)
  • M78: 41,840,131 km (0.059 R)
  • M79: 42,283,240 km (0.05 R)
  • M80: 42,579,593 km (0.103 R)
  • M81: 42,653,794 km (0.119 R)
  • M82: 44,146,481 km (0.097 R)
  • M83: 44,296,678 km (0.089 R)
  • M84: 47,875,208 km (0.078 R)
  • M85: 48,881,254 km (0.11 R)
  • M86: 49,425,790 km (0.097 R)
  • M87: 50,207,439 km (0.101 R)
  • M88: 50,521,146 km (0.111 R)
  • M89: 52,337,862 km (0.101 R)
  • M90: 52,656,057 km (0.072 R)
  • M91: 53,294,241 km (0.097 R)
  • M92: 53,374,127 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.8

Radius: 3.1

Gravity: 93.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.37 AU - 15.91 AU

Year: 18138 Days

Day: 16.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (96)

Outer Limit: 78,017,025 km

  • M1: 40,990 km (0.113 R)
  • M2: 84,224 km (0.065 R)
  • M3: 196,422 km (0.096 R)
  • M4: 275,858 km (0.068 R)
  • M5: 464,202 km (0.062 R)
  • M6: 639,082 km (0.098 R)
  • M7: 662,419 km (0.093 R)
  • M8: 1,451,847 km (0.101 R)
  • M9: 2,729,712 km (0.105 R)
  • M10: 3,239,691 km (0.026 R)
  • M11: 3,609,497 km (0.119 R)
  • M12: 3,949,533 km (0.083 R)
  • M13: 4,388,753 km (0.111 R)
  • M14: 4,568,719 km (0.09 R)
  • M15: 5,217,525 km (0.113 R)
  • M16: 5,264,947 km (0.1 R)
  • M17: 5,312,520 km (0.104 R)
  • M18: 5,552,624 km (0.1 R)
  • M19: 6,043,305 km (0.115 R)
  • M20: 6,496,587 km (0.087 R)
  • M21: 6,701,685 km (0.105 R)
  • M22: 7,542,725 km (0.064 R)
  • M23: 8,416,526 km (0.117 R)
  • M24: 8,527,976 km (0.118 R)
  • M25: 9,669,109 km (0.108 R)
  • M26: 10,257,477 km (0.03 R)
  • M27: 11,161,497 km (0.089 R)
  • M28: 11,222,683 km (0.052 R)
  • M29: 11,283,868 km (0.054 R)
  • M30: 12,596,290 km (0.084 R)
  • M31: 12,787,776 km (0.081 R)
  • M32: 13,108,813 km (0.077 R)
  • M33: 13,367,617 km (0.048 R)
  • M34: 14,486,310 km (0.11 R)
  • M35: 15,293,839 km (0.036 R)
  • M36: 15,429,824 km (0.118 R)
  • M37: 15,498,040 km (0.1 R)
  • M38: 17,588,521 km (0.113 R)
  • M39: 18,957,641 km (0.103 R)
  • M40: 19,397,010 km (0.029 R)
  • M41: 19,691,717 km (0.048 R)
  • M42: 21,415,384 km (0.083 R)
  • M43: 21,720,115 km (0.119 R)
  • M44: 21,949,448 km (0.065 R)
  • M45: 22,875,160 km (0.089 R)
  • M46: 23,421,043 km (0.06 R)
  • M47: 23,813,587 km (0.075 R)
  • M48: 24,129,239 km (0.045 R)
  • M49: 24,366,800 km (0.12 R)
  • M50: 24,525,673 km (0.096 R)
  • M51: 24,684,845 km (0.106 R)
  • M52: 25,244,641 km (0.094 R)
  • M53: 27,113,417 km (0.091 R)
  • M54: 28,774,103 km (0.11 R)
  • M55: 28,858,028 km (0.091 R)
  • M56: 29,110,250 km (0.085 R)
  • M57: 29,786,282 km (0.11 R)
  • M58: 30,126,169 km (0.081 R)
  • M59: 31,585,346 km (0.035 R)
  • M60: 32,192,863 km (0.08 R)
  • M61: 32,367,145 km (0.099 R)
  • M62: 32,454,360 km (0.073 R)
  • M63: 32,979,599 km (0.119 R)
  • M64: 33,243,190 km (0.075 R)
  • M65: 33,595,792 km (0.078 R)
  • M66: 33,684,205 km (0.09 R)
  • M67: 34,304,737 km (0.103 R)
  • M68: 34,393,747 km (0.098 R)
  • M69: 38,753,328 km (0.11 R)
  • M70: 39,310,281 km (0.07 R)
  • M71: 40,057,074 km (0.077 R)
  • M72: 41,849,556 km (0.116 R)
  • M73: 41,944,550 km (0.079 R)
  • M74: 43,379,194 km (0.063 R)
  • M75: 46,099,631 km (0.111 R)
  • M76: 50,282,388 km (0.096 R)
  • M77: 51,601,392 km (0.089 R)
  • M78: 51,703,418 km (0.086 R)
  • M79: 54,896,435 km (0.049 R)
  • M80: 55,208,795 km (0.099 R)
  • M81: 55,313,065 km (0.1 R)
  • M82: 56,044,748 km (0.117 R)
  • M83: 56,254,335 km (0.07 R)
  • M84: 58,046,816 km (0.079 R)
  • M85: 62,012,057 km (0.087 R)
  • M86: 62,228,825 km (0.076 R)
  • M87: 66,950,881 km (0.069 R)
  • M88: 67,395,935 km (0.098 R)
  • M89: 68,401,083 km (0.042 R)
  • M90: 72,014,470 km (0.1 R)
  • M91: 72,242,308 km (0.109 R)
  • M92: 72,698,880 km (0.079 R)
  • M93: 72,813,173 km (0.1 R)
  • M94: 73,156,351 km (0.087 R)
  • M95: 75,573,703 km (0.082 R)
  • M96: 75,689,342 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 15,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit