🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.84 AU - 1.28 AU

Year: 409 Days

Day: 18.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 106,499,057 km

• M1: 105,915 km (0.093 R)
• M2: 137,780 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.15 AU - 2.29 AU

Year: 1240 Days

Day: 34.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.32 AU - 3.34 AU

Year: 1784 Days

Day: 31.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,499,057 km

• M1: 150,795 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.7 AU - 3.98 AU

Year: 2287 Days

Day: 40.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.86 AU - 4.66 AU

Year: 3295 Days

Day: 23.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,499,057 km

• M1: 328,218 km (0.066 R)
• M2: 2,540,920 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 14.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.36 AU - 6.36 AU

Year: 5316 Days

Day: 7.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 106,499,057 km

• M1: 406,158 km (0.029 R)
• M2: 527,033 km (0.106 R)
• M3: 639,980 km (0.071 R)
• M4: 746,045 km (0.105 R)
• M5: 1,075,459 km (0.089 R)
• M6: 1,185,713 km (0.111 R)
• M7: 1,440,478 km (0.09 R)
• M8: 1,609,224 km (0.064 R)
• M9: 2,511,000 km (0.089 R)
• M10: 2,633,671 km (0.118 R)
• M11: 3,071,992 km (0.107 R)
• M12: 3,233,109 km (0.089 R)
• M13: 3,487,874 km (0.079 R)
• M14: 3,718,105 km (0.1 R)
• M15: 4,210,282 km (0.082 R)
• M16: 4,489,133 km (0.117 R)
• M17: 5,047,731 km (0.083 R)
• M18: 5,845,088 km (0.104 R)
• M19: 5,991,096 km (0.1 R)
• M20: 6,454,999 km (0.073 R)
• M21: 6,719,936 km (0.115 R)
• M22: 6,969,166 km (0.093 R)
• M23: 7,065,956 km (0.096 R)
• M24: 7,182,493 km (0.1 R)
• M25: 7,338,972 km (0.069 R)
• M26: 7,615,728 km (0.112 R)
• M27: 7,996,754 km (0.088 R)
• M28: 8,159,068 km (0.068 R)
• M29: 8,861,280 km (0.085 R)
• M30: 9,389,959 km (0.061 R)
• M31: 9,518,464 km (0.105 R)
• M32: 9,950,802 km (0.081 R)
• M33: 10,147,523 km (0.09 R)
• M34: 10,857,365 km (0.12 R)
• M35: 11,698,105 km (0.081 R)
• M36: 11,859,670 km (0.042 R)
• M37: 11,952,271 km (0.113 R)
• M38: 12,278,245 km (0.074 R)
• M39: 13,177,777 km (0.059 R)
• M40: 13,297,755 km (0.084 R)
• M41: 13,684,166 km (0.091 R)
• M42: 14,147,770 km (0.076 R)
• M43: 14,270,590 km (0.075 R)
• M44: 14,790,442 km (0.116 R)
• M45: 14,890,224 km (0.081 R)
• M46: 15,140,651 km (0.095 R)
• M47: 15,316,728 km (0.099 R)
• M48: 15,797,984 km (0.101 R)
• M49: 16,310,207 km (0.117 R)
• M50: 16,516,503 km (0.101 R)
• M51: 16,827,816 km (0.11 R)
• M52: 16,931,936 km (0.116 R)
• M53: 17,167,104 km (0.12 R)
• M54: 17,482,306 km (0.096 R)
• M55: 17,693,539 km (0.091 R)
• M56: 17,879,190 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.7

Radius: 13.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.49 AU - 12.69 AU

Year: 13840 Days

Day: 6.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 106,499,057 km

• M1: 206,744 km (0.092 R)
• M2: 512,822 km (0.08 R)
• M3: 745,147 km (0.078 R)
• M4: 865,872 km (0.12 R)
• M5: 1,086,529 km (0.077 R)
• M6: 1,237,025 km (0.073 R)
• M7: 1,476,681 km (0.08 R)
• M8: 1,572,124 km (0.072 R)
• M9: 1,923,230 km (0.099 R)
• M10: 2,482,277 km (0.063 R)
• M11: 2,983,281 km (0.088 R)
• M12: 3,152,177 km (0.1 R)
• M13: 3,340,221 km (0.082 R)
• M14: 4,301,238 km (0.056 R)
• M15: 4,938,824 km (0.059 R)
• M16: 5,931,256 km (0.058 R)
• M17: 6,420,741 km (0.088 R)
• M18: 6,821,663 km (0.099 R)
• M19: 7,045,761 km (0.115 R)
• M20: 7,376,073 km (0.069 R)
• M21: 7,501,286 km (0.066 R)
• M22: 8,615,790 km (0.036 R)
• M23: 8,835,998 km (0.113 R)
• M24: 9,035,861 km (0.088 R)
• M25: 9,169,901 km (0.116 R)
• M26: 9,530,731 km (0.095 R)
• M27: 10,406,327 km (0.112 R)
• M28: 10,523,462 km (0.108 R)
• M29: 10,617,559 km (0.088 R)
• M30: 10,735,442 km (0.11 R)
• M31: 11,621,810 km (0.118 R)
• M32: 11,963,342 km (0.065 R)
• M33: 12,681,262 km (0.108 R)
• M34: 13,720,219 km (0.092 R)
• M35: 14,341,050 km (0.034 R)
• M36: 14,760,074 km (0.042 R)
• M37: 15,369,386 km (0.065 R)
• M38: 15,852,138 km (0.055 R)
• M39: 16,503,487 km (0.119 R)
• M40: 16,777,551 km (0.066 R)
• M41: 17,385,517 km (0.106 R)
• M42: 17,552,617 km (0.099 R)
• M43: 18,113,609 km (0.07 R)
• M44: 18,880,149 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.1

Radius: 7.5

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 9.61 AU - 15.25 AU

Year: 16422 Days

Day: 19.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 106,499,057 km

• M1: 94,995 km (0.081 R)
• M2: 155,731 km (0.112 R)
• M3: 270,024 km (0.059 R)
• M4: 593,006 km (0.036 R)
• M5: 772,823 km (0.076 R)
• M6: 909,106 km (0.072 R)
• M7: 969,993 km (0.097 R)
• M8: 1,183,319 km (0.064 R)
• M9: 1,364,781 km (0.038 R)
• M10: 1,411,606 km (0.078 R)
• M11: 1,579,754 km (0.059 R)
• M12: 1,628,971 km (0.11 R)
• M13: 1,988,604 km (0.061 R)
• M14: 2,150,170 km (0.089 R)
• M15: 2,205,073 km (0.104 R)
• M16: 2,260,424 km (0.084 R)
• M17: 2,316,224 km (0.063 R)
• M18: 2,515,189 km (0.119 R)
• M19: 2,690,219 km (0.12 R)
• M20: 3,333,938 km (0.076 R)
• M21: 3,722,593 km (0.087 R)
• M22: 3,855,436 km (0.101 R)
• M23: 4,091,502 km (0.104 R)
• M24: 5,719,127 km (0.106 R)
• M25: 5,795,721 km (0.058 R)
• M26: 5,949,807 km (0.106 R)
• M27: 6,780,972 km (0.079 R)
• M28: 7,189,524 km (0.115 R)
• M29: 7,438,605 km (0.105 R)
• M30: 8,030,563 km (0.066 R)
• M31: 8,769,577 km (0.07 R)
• M32: 8,946,701 km (0.113 R)
• M33: 9,621,088 km (0.109 R)
• M34: 10,405,280 km (0.076 R)
• M35: 10,639,849 km (0.088 R)
• M36: 10,781,369 km (0.099 R)
• M37: 10,876,064 km (0.116 R)
• M38: 11,595,331 km (0.119 R)
• M39: 11,692,420 km (0.094 R)
• M40: 14,937,946 km (0.111 R)
• M41: 16,059,631 km (0.1 R)
• M42: 18,101,193 km (0.109 R)
• M43: 18,157,442 km (0.061 R)
• M44: 18,894,660 km (0.115 R)
• M45: 19,931,672 km (0.098 R)
• M46: 20,339,925 km (0.117 R)
• M47: 21,046,176 km (0.098 R)
• M48: 21,105,268 km (0.043 R)
• M49: 21,700,518 km (0.076 R)
• M50: 22,422,028 km (0.061 R)
• M51: 22,725,113 km (0.079 R)
• M52: 23,029,395 km (0.102 R)
• M53: 23,642,148 km (0.046 R)
• M54: 23,888,686 km (0.034 R)
• M55: 24,198,054 km (0.106 R)
• M56: 25,828,521 km (0.036 R)
• M57: 25,891,801 km (0.115 R)
• M58: 25,955,380 km (0.108 R)
• M59: 26,273,425 km (0.074 R)
• M60: 26,464,911 km (0.114 R)
• M61: 27,493,994 km (0.109 R)
• M62: 27,623,546 km (0.049 R)
• M63: 28,013,398 km (0.093 R)
• M64: 28,536,093 km (0.111 R)
• M65: 28,732,964 km (0.115 R)
• M66: 29,326,119 km (0.106 R)
• M67: 29,923,464 km (0.103 R)
• M68: 30,190,197 km (0.099 R)
• M69: 30,256,917 km (0.114 R)
• M70: 30,390,658 km (0.101 R)
• M71: 32,900,611 km (0.108 R)
• M72: 33,175,871 km (0.111 R)
• M73: 33,452,029 km (0.037 R)
• M74: 33,936,875 km (0.108 R)
• M75: 34,145,415 km (0.043 R)
• M76: 34,424,265 km (0.099 R)
• M77: 35,829,139 km (0.052 R)
• M78: 37,181,204 km (0.07 R)
• M79: 39,131,063 km (0.114 R)
• M80: 40,155,210 km (0.12 R)
• M81: 41,262,085 km (0.03 R)
• M82: 41,484,686 km (0.051 R)
• M83: 43,355,258 km (0.117 R)
• M84: 45,406,095 km (0.025 R)
• M85: 46,481,854 km (0.1 R)
• M86: 48,111,274 km (0.117 R)
• M87: 48,423,784 km (0.077 R)
• M88: 48,815,281 km (0.094 R)
• M89: 49,759,244 km (0.078 R)
• M90: 50,312,756 km (0.101 R)
• M91: 50,947,799 km (0.102 R)
• M92: 52,788,152 km (0.026 R)
• M93: 53,271,802 km (0.062 R)
• M94: 53,676,015 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.4

Radius: 7.5

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 15.23 AU - 15.39 AU

Year: 22449 Days

Day: 20.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 106,499,057 km

• M1: 183,108 km (0.068 R)
• M2: 258,206 km (0.09 R)
• M3: 732,282 km (0.097 R)
• M4: 784,790 km (0.082 R)
• M5: 866,172 km (0.115 R)
• M6: 1,158,037 km (0.08 R)
• M7: 1,380,040 km (0.117 R)
• M8: 1,720,824 km (0.074 R)
• M9: 1,937,592 km (0.112 R)
• M10: 2,975,502 km (0.071 R)
• M11: 3,872,640 km (0.03 R)
• M12: 4,061,582 km (0.067 R)
• M13: 4,205,346 km (0.066 R)
• M14: 4,253,666 km (0.116 R)
• M15: 5,000,010 km (0.1 R)
• M16: 5,519,862 km (0.108 R)
• M17: 6,498,532 km (0.104 R)
• M18: 6,666,829 km (0.092 R)
• M19: 8,064,522 km (0.087 R)
• M20: 8,124,660 km (0.11 R)
• M21: 8,488,782 km (0.076 R)
• M22: 8,920,371 km (0.081 R)
• M23: 9,933,448 km (0.114 R)
• M24: 11,116,019 km (0.107 R)
• M25: 11,183,039 km (0.098 R)
• M26: 11,655,918 km (0.107 R)
• M27: 12,621,124 km (0.108 R)
• M28: 12,831,309 km (0.11 R)
• M29: 12,901,620 km (0.068 R)
• M30: 13,042,541 km (0.108 R)
• M31: 13,113,301 km (0.107 R)
• M32: 13,184,060 km (0.052 R)
• M33: 13,683,418 km (0.109 R)
• M34: 16,119,619 km (0.094 R)
• M35: 18,289,237 km (0.054 R)
• M36: 18,527,098 km (0.098 R)
• M37: 18,686,270 km (0.058 R)
• M38: 18,845,891 km (0.119 R)
• M39: 19,731,660 km (0.058 R)
• M40: 20,466,634 km (0.112 R)
• M41: 20,631,042 km (0.093 R)
• M42: 21,127,258 km (0.03 R)
• M43: 25,766,588 km (0.1 R)
• M44: 27,380,150 km (0.1 R)
• M45: 27,743,224 km (0.076 R)
• M46: 28,934,023 km (0.102 R)
• M47: 29,396,430 km (0.097 R)
• M48: 29,954,580 km (0.058 R)
• M49: 30,704,215 km (0.087 R)
• M50: 31,840,261 km (0.081 R)
• M51: 32,317,628 km (0.109 R)
• M52: 32,509,263 km (0.12 R)
• M53: 35,824,052 km (0.118 R)
• M54: 36,519,832 km (0.063 R)
• M55: 37,019,489 km (0.068 R)
• M56: 37,219,950 km (0.098 R)
• M57: 38,633,650 km (0.074 R)
• M58: 40,064,703 km (0.081 R)
• M59: 41,825,769 km (0.098 R)
• M60: 41,930,039 km (0.1 R)
• M61: 42,978,571 km (0.11 R)
• M62: 43,294,821 km (0.093 R)
• M63: 44,460,936 km (0.093 R)
• M64: 45,852,495 km (0.044 R)
• M65: 46,283,487 km (0.054 R)
• M66: 48,239,629 km (0.074 R)
• M67: 50,555,703 km (0.084 R)
• M68: 52,569,589 km (0.102 R)
• M69: 53,133,573 km (0.116 R)
• M70: 54,495,512 km (0.117 R)
• M71: 54,837,792 km (0.102 R)
• M72: 58,299,487 km (0.107 R)
• M73: 60,882,743 km (0.107 R)
• M74: 61,001,075 km (0.1 R)
• M75: 62,307,513 km (0.052 R)
• M76: 62,545,972 km (0.074 R)
• M77: 62,904,409 km (0.101 R)
• M78: 63,863,331 km (0.118 R)
• M79: 65,310,840 km (0.066 R)
• M80: 66,403,503 km (0.113 R)
• M81: 67,257,557 km (0.08 R)
• M82: 67,379,779 km (0.112 R)
• M83: 67,747,191 km (0.072 R)
• M84: 68,976,437 km (0.112 R)
• M85: 69,099,855 km (0.096 R)
• M86: 69,593,827 km (0.104 R)
• M87: 70,834,143 km (0.116 R)
• M88: 71,956,725 km (0.087 R)
• M89: 72,207,003 km (0.109 R)
• M90: 74,725,333 km (0.105 R)
• M91: 76,122,727 km (0.075 R)
• M92: 79,718,312 km (0.069 R)
• M93: 81,928,171 km (0.063 R)
• M94: 82,189,519 km (0.118 R)
• M95: 84,950,048 km (0.093 R)
• M96: 85,744,413 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.9

Radius: 3.3

Gravity: 77.22 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 16.45 AU - 20.61 AU

Year: 29891 Days

Day: 15.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 106,499,057 km

• M1: 44,431 km (0.059 R)
• M2: 236,664 km (0.102 R)
• M3: 342,130 km (0.037 R)
• M4: 924,814 km (0.088 R)
• M5: 990,338 km (0.087 R)
• M6: 1,724,415 km (0.092 R)
• M7: 1,970,503 km (0.097 R)
• M8: 2,012,690 km (0.115 R)
• M9: 2,227,662 km (0.115 R)
• M10: 3,011,704 km (0.118 R)
• M11: 3,060,324 km (0.108 R)
• M12: 3,109,093 km (0.075 R)
• M13: 5,498,619 km (0.081 R)
• M14: 6,918,303 km (0.106 R)
• M15: 7,437,258 km (0.119 R)
• M16: 7,901,460 km (0.076 R)
• M17: 7,968,630 km (0.072 R)
• M18: 8,375,087 km (0.055 R)
• M19: 8,443,453 km (0.067 R)
• M20: 9,278,658 km (0.115 R)
• M21: 10,285,901 km (0.066 R)
• M22: 10,951,611 km (0.101 R)
• M23: 11,026,410 km (0.102 R)
• M24: 11,327,252 km (0.109 R)
• M25: 14,481,672 km (0.09 R)
• M26: 14,811,087 km (0.105 R)
• M27: 14,893,814 km (0.072 R)
• M28: 14,976,692 km (0.108 R)
• M29: 15,561,320 km (0.088 R)
• M30: 16,323,820 km (0.102 R)
• M31: 17,011,671 km (0.104 R)
• M32: 18,061,250 km (0.093 R)
• M33: 20,682,803 km (0.104 R)
• M34: 21,053,507 km (0.109 R)
• M35: 22,653,755 km (0.066 R)
• M36: 24,292,749 km (0.094 R)
• M37: 24,683,798 km (0.11 R)
• M38: 25,077,091 km (0.085 R)
• M39: 26,069,224 km (0.104 R)
• M40: 28,193,963 km (0.099 R)
• M41: 28,811,204 km (0.057 R)
• M42: 30,900,637 km (0.107 R)
• M43: 34,015,564 km (0.11 R)
• M44: 35,776,480 km (0.106 R)
• M45: 35,887,482 km (0.116 R)
• M46: 36,779,983 km (0.061 R)
• M47: 38,132,198 km (0.075 R)
• M48: 38,700,371 km (0.112 R)
• M49: 39,500,719 km (0.095 R)
• M50: 40,075,624 km (0.063 R)
• M51: 40,190,964 km (0.047 R)
• M52: 41,583,271 km (0.032 R)
• M53: 43,701,428 km (0.059 R)
• M54: 47,308,531 km (0.064 R)
• M55: 48,531,943 km (0.106 R)
• M56: 51,761,312 km (0.072 R)
• M57: 53,021,824 km (0.117 R)
• M58: 57,382,003 km (0.119 R)
• M59: 59,736,524 km (0.089 R)
• M60: 60,132,061 km (0.088 R)
• M61: 60,660,740 km (0.062 R)
• M62: 61,855,877 km (0.1 R)
• M63: 63,058,644 km (0.109 R)
• M64: 63,999,615 km (0.113 R)
• M65: 65,080,459 km (0.114 R)
• M66: 67,260,549 km (0.085 R)
• M67: 67,534,762 km (0.051 R)
• M68: 68,221,715 km (0.116 R)
• M69: 69,464,275 km (0.091 R)
• M70: 69,602,803 km (0.117 R)
• M71: 70,296,787 km (0.075 R)
• M72: 71,132,591 km (0.039 R)
• M73: 72,673,598 km (0.062 R)
• M74: 77,074,768 km (0.104 R)
• M75: 77,361,696 km (0.112 R)
• M76: 77,648,924 km (0.096 R)
• M77: 78,080,514 km (0.092 R)
• M78: 80,395,541 km (0.084 R)
• M79: 81,853,821 km (0.076 R)
• M80: 82,146,584 km (0.097 R)
• M81: 84,500,806 km (0.09 R)
• M82: 84,648,609 km (0.073 R)
• M83: 85,686,070 km (0.114 R)
• M84: 86,727,870 km (0.035 R)
• M85: 88,823,885 km (0.078 R)
• M86: 90,180,140 km (0.117 R)
• M87: 90,784,964 km (0.103 R)
• M88: 93,218,323 km (0.058 R)
• M89: 97,217,822 km (0.061 R)
• M90: 97,838,204 km (0.049 R)
• M91: 101,273,121 km (0.075 R)
• M92: 102,847,489 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 16,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit