🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.52 AU - 0.66 AU

Year: 166 Days

Day: 37.1 Hours

Environment

Temp: 161 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,077,603 km

• M1: 122,820 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.08 AU - 1.36 AU

Year: 492 Days

Day: 36.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,077,603 km

• M1: 869,762 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.97 AU - 1.51 AU

Year: 504 Days

Day: 24.5 Hours

Environment

Temp: -11 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,077,603 km

• M1: 43,832 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.36 AU - 2.02 AU

Year: 802 Days

Day: 33.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,077,603 km

• M1: 414,536 km (0.116 R)
• M2: 682,316 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.33 AU - 3.39 AU

Year: 1767 Days

Day: 12.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 11.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.75 AU - 6.23 AU

Year: 5355 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 42,077,603 km

• M1: 165,904 km (0.075 R)
• M2: 259,403 km (0.089 R)
• M3: 390,750 km (0.095 R)
• M4: 494,720 km (0.08 R)
• M5: 570,566 km (0.105 R)
• M6: 758,012 km (0.084 R)
• M7: 918,531 km (0.088 R)
• M8: 1,412,503 km (0.074 R)
• M9: 1,540,858 km (0.117 R)
• M10: 1,733,391 km (0.113 R)
• M11: 2,093,473 km (0.099 R)
• M12: 2,598,665 km (0.072 R)
• M13: 2,704,281 km (0.115 R)
• M14: 2,811,243 km (0.112 R)
• M15: 3,048,206 km (0.117 R)
• M16: 3,234,904 km (0.059 R)
• M17: 3,738,301 km (0.036 R)
• M18: 3,857,979 km (0.071 R)
• M19: 3,958,659 km (0.08 R)
• M20: 4,039,890 km (0.1 R)
• M21: 4,412,539 km (0.109 R)
• M22: 4,539,099 km (0.104 R)
• M23: 4,645,612 km (0.042 R)
• M24: 5,080,044 km (0.074 R)
• M25: 5,324,637 km (0.081 R)
• M26: 5,414,545 km (0.106 R)
• M27: 5,550,380 km (0.086 R)
• M28: 6,246,309 km (0.081 R)
• M29: 6,341,304 km (0.116 R)
• M30: 6,436,598 km (0.106 R)
• M31: 6,532,490 km (0.098 R)
• M32: 6,750,006 km (0.074 R)
• M33: 7,093,183 km (0.068 R)
• M34: 7,291,699 km (0.112 R)
• M35: 7,467,028 km (0.118 R)
• M36: 8,759,853 km (0.081 R)
• M37: 8,973,030 km (0.114 R)
• M38: 9,377,543 km (0.099 R)
• M39: 9,870,916 km (0.11 R)
• M40: 10,204,520 km (0.046 R)
• M41: 10,598,411 km (0.051 R)
• M42: 10,997,239 km (0.089 R)
• M43: 11,604,905 km (0.056 R)
• M44: 12,342,572 km (0.108 R)
• M45: 12,581,779 km (0.112 R)
• M46: 12,943,507 km (0.079 R)
• M47: 13,064,831 km (0.114 R)
• M48: 13,278,157 km (0.109 R)
• M49: 13,492,681 km (0.038 R)
• M50: 13,739,068 km (0.102 R)
• M51: 14,018,218 km (0.076 R)
• M52: 14,330,578 km (0.081 R)
• M53: 14,613,618 km (0.066 R)
• M54: 14,898,452 km (0.091 R)
• M55: 14,993,895 km (0.078 R)
• M56: 15,634,922 km (0.088 R)
• M57: 15,829,100 km (0.099 R)
• M58: 16,121,714 km (0.051 R)
• M59: 16,285,075 km (0.111 R)
• M60: 16,613,442 km (0.098 R)
• M61: 16,778,448 km (0.034 R)
• M62: 17,010,325 km (0.113 R)
• M63: 17,176,678 km (0.066 R)
• M64: 17,343,480 km (0.093 R)
• M65: 17,578,049 km (0.073 R)
• M66: 17,914,794 km (0.112 R)
• M67: 18,016,371 km (0.069 R)
• M68: 19,945,435 km (0.108 R)
• M69: 20,296,691 km (0.093 R)
• M70: 20,473,217 km (0.111 R)
• M71: 20,827,614 km (0.101 R)
• M72: 21,434,832 km (0.055 R)
• M73: 21,506,639 km (0.104 R)
• M74: 21,866,870 km (0.06 R)
• M75: 22,156,641 km (0.104 R)
• M76: 22,411,107 km (0.116 R)
• M77: 22,813,077 km (0.076 R)
• M78: 23,661,147 km (0.117 R)
• M79: 24,219,746 km (0.072 R)
• M80: 24,294,545 km (0.084 R)
• M81: 25,009,174 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 8.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.41 AU - 9.73 AU

Year: 8373 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 42,077,603 km

• M1: 165,605 km (0.074 R)
• M2: 278,551 km (0.092 R)
• M3: 461,659 km (0.098 R)
• M4: 625,170 km (0.066 R)
• M5: 684,111 km (0.086 R)
• M6: 753,973 km (0.047 R)
• M7: 959,521 km (0.052 R)
• M8: 1,079,349 km (0.071 R)
• M9: 1,389,615 km (0.111 R)
• M10: 1,679,236 km (0.088 R)
• M11: 2,287,501 km (0.048 R)
• M12: 2,504,568 km (0.11 R)
• M13: 2,601,657 km (0.052 R)
• M14: 2,700,092 km (0.1 R)
• M15: 2,813,936 km (0.106 R)
• M16: 3,032,050 km (0.11 R)
• M17: 3,377,172 km (0.114 R)
• M18: 3,624,607 km (0.097 R)
• M19: 3,750,718 km (0.076 R)
• M20: 4,170,190 km (0.072 R)
• M21: 4,655,785 km (0.117 R)
• M22: 4,827,523 km (0.057 R)
• M23: 5,106,523 km (0.114 R)
• M24: 5,283,498 km (0.06 R)
• M25: 5,607,377 km (0.045 R)
• M26: 5,919,289 km (0.119 R)
• M27: 6,012,039 km (0.09 R)
• M28: 6,426,126 km (0.118 R)
• M29: 7,005,668 km (0.1 R)
• M30: 7,341,516 km (0.114 R)
• M31: 7,581,770 km (0.097 R)
• M32: 7,865,258 km (0.093 R)
• M33: 8,028,918 km (0.047 R)
• M34: 8,235,064 km (0.06 R)
• M35: 9,508,141 km (0.075 R)
• M36: 9,924,024 km (0.111 R)
• M37: 10,278,720 km (0.086 R)
• M38: 10,345,740 km (0.047 R)
• M39: 10,592,726 km (0.041 R)
• M40: 10,728,112 km (0.12 R)
• M41: 11,437,356 km (0.1 R)
• M42: 11,529,957 km (0.098 R)
• M43: 12,138,072 km (0.112 R)
• M44: 12,636,831 km (0.063 R)
• M45: 13,118,088 km (0.097 R)
• M46: 13,532,025 km (0.051 R)
• M47: 14,272,684 km (0.096 R)
• M48: 14,447,414 km (0.056 R)
• M49: 14,925,230 km (0.081 R)
• M50: 15,741,735 km (0.088 R)
• M51: 15,819,077 km (0.119 R)
• M52: 16,155,373 km (0.098 R)
• M53: 16,625,111 km (0.114 R)
• M54: 17,684,862 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.8

Radius: 11.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.85 AU - 11.99 AU

Year: 11412 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 42,077,603 km

• M1: 203,004 km (0.107 R)
• M2: 333,304 km (0.093 R)
• M3: 474,824 km (0.115 R)
• M4: 658,530 km (0.097 R)
• M5: 1,033,871 km (0.107 R)
• M6: 1,399,039 km (0.103 R)
• M7: 1,496,577 km (0.096 R)
• M8: 1,622,090 km (0.05 R)
• M9: 2,331,184 km (0.077 R)
• M10: 2,507,560 km (0.054 R)
• M11: 2,936,457 km (0.12 R)
• M12: 3,063,316 km (0.069 R)
• M13: 4,072,353 km (0.109 R)
• M14: 4,576,348 km (0.104 R)
• M15: 4,649,951 km (0.093 R)
• M16: 5,921,832 km (0.081 R)
• M17: 6,042,557 km (0.067 R)
• M18: 6,658,751 km (0.065 R)
• M19: 7,598,525 km (0.095 R)
• M20: 7,906,247 km (0.081 R)
• M21: 7,994,959 km (0.107 R)
• M22: 8,308,067 km (0.095 R)
• M23: 8,762,246 km (0.09 R)
• M24: 9,885,278 km (0.048 R)
• M25: 10,269,744 km (0.032 R)
• M26: 10,855,719 km (0.033 R)
• M27: 11,202,487 km (0.091 R)
• M28: 11,502,580 km (0.117 R)
• M29: 12,110,995 km (0.083 R)
• M30: 12,213,469 km (0.115 R)
• M31: 13,358,940 km (0.087 R)
• M32: 13,730,691 km (0.073 R)
• M33: 14,321,603 km (0.066 R)
• M34: 15,251,353 km (0.096 R)
• M35: 15,863,358 km (0.115 R)
• M36: 16,200,552 km (0.075 R)
• M37: 16,596,986 km (0.112 R)
• M38: 17,053,858 km (0.092 R)
• M39: 17,226,344 km (0.104 R)
• M40: 17,572,963 km (0.113 R)
• M41: 18,155,796 km (0.087 R)
• M42: 18,567,639 km (0.06 R)
• M43: 19,220,933 km (0.058 R)
• M44: 19,340,462 km (0.118 R)
• M45: 19,700,693 km (0.112 R)
• M46: 20,306,116 km (0.101 R)
• M47: 20,917,672 km (0.114 R)
• M48: 21,597,295 km (0.119 R)
• M49: 22,788,393 km (0.064 R)
• M50: 22,978,383 km (0.108 R)
• M51: 23,168,970 km (0.093 R)
• M52: 25,168,346 km (0.105 R)
• M53: 25,561,788 km (0.06 R)
• M54: 26,221,964 km (0.086 R)
• M55: 29,951,887 km (0.107 R)
• M56: 30,717,679 km (0.111 R)
• M57: 31,772,194 km (0.085 R)
• M58: 33,555,999 km (0.075 R)
• M59: 34,061,341 km (0.075 R)
• M60: 35,886,584 km (0.071 R)
• M61: 36,551,397 km (0.108 R)
• M62: 36,848,200 km (0.119 R)
• M63: 37,818,192 km (0.118 R)
• M64: 38,043,337 km (0.115 R)
• M65: 38,193,533 km (0.073 R)
• M66: 38,268,781 km (0.105 R)
• M67: 38,494,674 km (0.103 R)
• M68: 38,645,618 km (0.109 R)
• M69: 39,099,498 km (0.119 R)
• M70: 39,707,314 km (0.042 R)
• M71: 43,262,657 km (0.082 R)
• M72: 47,645,575 km (0.083 R)
• M73: 47,969,754 km (0.073 R)
• M74: 50,342,227 km (0.099 R)
• M75: 50,424,805 km (0.114 R)
• M76: 52,418,047 km (0.091 R)
• M77: 52,501,672 km (0.092 R)
• M78: 52,920,396 km (0.03 R)
• M79: 53,088,245 km (0.117 R)
• M80: 53,424,392 km (0.097 R)
• M81: 53,508,615 km (0.1 R)
• M82: 53,845,510 km (0.114 R)
• M83: 56,053,425 km (0.107 R)
• M84: 56,481,424 km (0.087 R)
• M85: 56,910,471 km (0.094 R)
• M86: 57,082,359 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.5

Radius: 7.8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 12.43 AU - 12.79 AU

Year: 16355 Days

Day: 20.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 42,077,603 km

• M1: 155,731 km (0.077 R)
• M2: 249,230 km (0.089 R)
• M3: 508,932 km (0.112 R)
• M4: 626,217 km (0.108 R)
• M5: 797,057 km (0.096 R)
• M6: 865,274 km (0.066 R)
• M7: 2,237,386 km (0.113 R)
• M8: 2,953,212 km (0.086 R)
• M9: 3,025,019 km (0.065 R)
• M10: 4,009,223 km (0.112 R)
• M11: 4,249,477 km (0.109 R)
• M12: 4,870,757 km (0.088 R)
• M13: 4,955,729 km (0.097 R)
• M14: 5,698,033 km (0.115 R)
• M15: 5,922,879 km (0.094 R)
• M16: 6,059,312 km (0.041 R)
• M17: 6,615,068 km (0.1 R)
• M18: 6,851,582 km (0.052 R)
• M19: 7,924,648 km (0.114 R)
• M20: 8,125,259 km (0.118 R)
• M21: 8,226,237 km (0.116 R)
• M22: 8,276,951 km (0.117 R)
• M23: 8,685,952 km (0.078 R)
• M24: 12,710,284 km (0.09 R)
• M25: 13,539,206 km (0.11 R)
• M26: 14,753,492 km (0.102 R)
• M27: 15,498,639 km (0.065 R)
• M28: 15,624,002 km (0.108 R)
• M29: 16,256,053 km (0.12 R)
• M30: 16,319,632 km (0.108 R)
• M31: 16,383,360 km (0.089 R)
• M32: 16,703,350 km (0.093 R)
• M33: 16,960,808 km (0.104 R)
• M34: 17,219,613 km (0.087 R)
• M35: 17,414,539 km (0.109 R)
• M36: 18,400,239 km (0.092 R)
• M37: 19,539,127 km (0.11 R)
• M38: 19,946,482 km (0.094 R)
• M39: 20,977,212 km (0.084 R)
• M40: 21,394,291 km (0.118 R)
• M41: 21,814,212 km (0.116 R)
• M42: 23,090,132 km (0.047 R)
• M43: 23,664,887 km (0.118 R)
• M44: 25,639,429 km (0.094 R)
• M45: 25,862,031 km (0.083 R)
• M46: 27,894,617 km (0.12 R)
• M47: 28,353,284 km (0.113 R)
• M48: 30,447,655 km (0.072 R)
• M49: 30,840,947 km (0.068 R)
• M50: 31,632,619 km (0.064 R)
• M51: 31,791,791 km (0.067 R)
• M52: 32,832,693 km (0.069 R)
• M53: 33,316,792 km (0.06 R)
• M54: 34,455,830 km (0.093 R)
• M55: 34,783,450 km (0.094 R)
• M56: 35,277,123 km (0.105 R)
• M57: 36,104,848 km (0.094 R)
• M58: 37,779,446 km (0.11 R)
• M59: 38,202,060 km (0.06 R)
• M60: 39,308,187 km (0.051 R)
• M61: 39,736,336 km (0.093 R)
• M62: 41,116,975 km (0.057 R)
• M63: 41,377,724 km (0.056 R)
• M64: 41,813,203 km (0.047 R)
• M65: 42,689,099 km (0.085 R)
• M66: 45,442,148 km (0.09 R)
• M67: 46,071,656 km (0.042 R)
• M68: 48,160,641 km (0.119 R)
• M69: 50,465,944 km (0.082 R)
• M70: 50,651,894 km (0.108 R)
• M71: 51,960,128 km (0.029 R)
• M72: 52,147,873 km (0.071 R)
• M73: 55,854,759 km (0.111 R)
• M74: 56,047,141 km (0.075 R)
• M75: 56,143,482 km (0.103 R)
• M76: 56,529,146 km (0.079 R)
• M77: 58,665,852 km (0.109 R)
• M78: 59,547,432 km (0.068 R)
• M79: 59,842,439 km (0.075 R)
• M80: 60,137,746 km (0.114 R)
• M81: 62,119,169 km (0.083 R)
• M82: 62,517,997 km (0.088 R)
• M83: 62,617,929 km (0.114 R)
• M84: 62,717,860 km (0.038 R)
• M85: 62,917,723 km (0.068 R)
• M86: 63,218,115 km (0.098 R)
• M87: 64,424,173 km (0.107 R)
• M88: 64,726,960 km (0.052 R)
• M89: 65,232,451 km (0.107 R)
• M90: 65,942,442 km (0.107 R)
• M91: 66,553,101 km (0.085 R)
• M92: 67,370,204 km (0.109 R)
• M93: 68,396,146 km (0.114 R)
• M94: 68,499,070 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.7

Radius: 7.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 12.84 AU - 16.18 AU

Year: 20188 Days

Day: 21.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 74.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 42,077,603 km

• M1: 103,971 km (0.09 R)
• M2: 181,911 km (0.108 R)
• M3: 432,787 km (0.081 R)
• M4: 511,176 km (0.093 R)
• M5: 698,622 km (0.078 R)
• M6: 1,064,838 km (0.09 R)
• M7: 1,545,795 km (0.072 R)
• M8: 1,691,653 km (0.047 R)
• M9: 2,019,422 km (0.089 R)
• M10: 2,535,834 km (0.109 R)
• M11: 2,658,803 km (0.099 R)
• M12: 2,910,726 km (0.106 R)
• M13: 3,656,471 km (0.108 R)
• M14: 4,697,523 km (0.098 R)
• M15: 5,856,308 km (0.118 R)
• M16: 6,551,639 km (0.114 R)
• M17: 6,755,092 km (0.104 R)
• M18: 7,133,574 km (0.109 R)
• M19: 7,625,153 km (0.109 R)
• M20: 7,982,991 km (0.087 R)
• M21: 8,091,450 km (0.099 R)
• M22: 8,236,859 km (0.107 R)
• M23: 8,346,364 km (0.044 R)
• M24: 10,598,112 km (0.106 R)
• M25: 11,239,288 km (0.055 R)
• M26: 11,810,602 km (0.091 R)
• M27: 12,685,301 km (0.107 R)
• M28: 12,896,533 km (0.119 R)
• M29: 13,066,476 km (0.1 R)
• M30: 13,494,476 km (0.102 R)
• M31: 14,188,909 km (0.077 R)
• M32: 15,028,602 km (0.078 R)
• M33: 15,252,101 km (0.083 R)
• M34: 17,736,772 km (0.05 R)
• M35: 18,258,121 km (0.07 R)
• M36: 18,496,730 km (0.118 R)
• M37: 18,640,493 km (0.08 R)
• M38: 19,122,049 km (0.093 R)
• M39: 19,559,024 km (0.091 R)
• M40: 21,139,226 km (0.111 R)
• M41: 21,440,068 km (0.109 R)
• M42: 23,326,497 km (0.086 R)
• M43: 25,744,597 km (0.055 R)
• M44: 26,929,113 km (0.049 R)
• M45: 27,255,236 km (0.117 R)
• M46: 27,473,350 km (0.096 R)
• M47: 27,856,470 km (0.093 R)
• M48: 27,911,372 km (0.114 R)
• M49: 28,628,096 km (0.042 R)
• M50: 28,683,447 km (0.107 R)
• M51: 28,905,301 km (0.082 R)
• M52: 29,072,102 km (0.117 R)
• M53: 29,518,502 km (0.092 R)
• M54: 29,686,351 km (0.106 R)
• M55: 30,927,864 km (0.064 R)
• M56: 30,984,711 km (0.09 R)
• M57: 31,383,389 km (0.115 R)
• M58: 31,841,308 km (0.108 R)
• M59: 34,163,516 km (0.045 R)
• M60: 35,701,981 km (0.033 R)
• M61: 36,720,144 km (0.094 R)
• M62: 36,960,996 km (0.098 R)
• M63: 37,747,732 km (0.115 R)
• M64: 40,016,832 km (0.118 R)
• M65: 40,886,893 km (0.094 R)
• M66: 41,951,731 km (0.115 R)
• M67: 42,077,543 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 19,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit