🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.42 AU - 0.66 AU

Year: 180 Days

Day: 45.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 82,048,165 km

• M1: 47,423 km (0.088 R)
• M2: 185,950 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.48 AU - 0.62 AU

Year: 185 Days

Day: 25.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.74 AU - 0.78 AU

Year: 300 Days

Day: 45 Hours

Environment

Temp: -46 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.68 AU - 0.96 AU

Year: 336 Days

Day: 36.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.74 AU - 1.06 AU

Year: 387 Days

Day: 32.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.33 AU - 2.79 AU

Year: 1856 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 82,048,165 km

• M1: 99,782 km (0.072 R)
• M2: 188,194 km (0.077 R)
• M3: 244,593 km (0.106 R)
• M4: 324,029 km (0.12 R)
• M5: 410,347 km (0.112 R)
• M6: 483,052 km (0.037 R)
• M7: 537,356 km (0.119 R)
• M8: 593,904 km (0.057 R)
• M9: 683,213 km (0.072 R)
• M10: 745,297 km (0.108 R)
• M11: 809,474 km (0.083 R)
• M12: 961,166 km (0.119 R)
• M13: 1,037,611 km (0.078 R)
• M14: 1,122,283 km (0.112 R)
• M15: 1,177,934 km (0.067 R)
• M16: 1,331,271 km (0.085 R)
• M17: 1,397,095 km (0.112 R)
• M18: 1,498,073 km (0.043 R)
• M19: 1,622,389 km (0.057 R)
• M20: 1,793,678 km (0.075 R)
• M21: 1,926,073 km (0.064 R)
• M22: 1,993,541 km (0.113 R)
• M23: 2,185,026 km (0.108 R)
• M24: 2,398,503 km (0.1 R)
• M25: 2,471,357 km (0.096 R)
• M26: 2,528,354 km (0.116 R)
• M27: 2,719,091 km (0.095 R)
• M28: 2,803,464 km (0.104 R)
• M29: 2,863,154 km (0.027 R)
• M30: 3,132,280 km (0.112 R)
• M31: 3,194,214 km (0.099 R)
• M32: 3,247,620 km (0.112 R)
• M33: 3,445,987 km (0.099 R)
• M34: 3,510,015 km (0.098 R)
• M35: 3,583,617 km (0.102 R)
• M36: 3,854,688 km (0.101 R)
• M37: 4,074,597 km (0.102 R)
• M38: 4,161,813 km (0.077 R)
• M39: 4,318,292 km (0.031 R)
• M40: 4,377,383 km (0.04 R)
• M41: 4,486,590 km (0.112 R)
• M42: 4,657,281 km (0.09 R)
• M43: 4,768,731 km (0.073 R)
• M44: 4,819,744 km (0.089 R)
• M45: 4,994,475 km (0.115 R)
• M46: 5,140,033 km (0.098 R)
• M47: 5,244,752 km (0.088 R)
• M48: 5,382,083 km (0.113 R)
• M49: 5,617,101 km (0.11 R)
• M50: 5,768,494 km (0.025 R)
• M51: 5,954,145 km (0.097 R)
• M52: 6,020,118 km (0.082 R)
• M53: 6,086,389 km (0.105 R)
• M54: 6,376,160 km (0.12 R)
• M55: 6,477,588 km (0.104 R)
• M56: 6,545,505 km (0.107 R)
• M57: 6,865,495 km (0.119 R)
• M58: 6,934,759 km (0.09 R)
• M59: 7,062,216 km (0.114 R)
• M60: 7,237,395 km (0.05 R)
• M61: 7,378,616 km (0.099 R)
• M62: 7,449,525 km (0.112 R)
• M63: 7,747,524 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.3

Radius: 9.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.64 AU - 4.3 AU

Year: 2928 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 169.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 82,048,165 km

• M1: 132,693 km (0.081 R)
• M2: 199,564 km (0.073 R)
• M3: 311,014 km (0.112 R)
• M4: 425,307 km (0.104 R)
• M5: 600,935 km (0.111 R)
• M6: 702,212 km (0.11 R)
• M7: 801,396 km (0.106 R)
• M8: 870,360 km (0.072 R)
• M9: 1,177,186 km (0.093 R)
• M10: 1,307,485 km (0.115 R)
• M11: 1,495,829 km (0.101 R)
• M12: 1,593,517 km (0.086 R)
• M13: 1,693,448 km (0.114 R)
• M14: 1,761,216 km (0.074 R)
• M15: 1,958,236 km (0.073 R)
• M16: 2,138,352 km (0.095 R)
• M17: 2,450,563 km (0.111 R)
• M18: 2,579,666 km (0.036 R)
• M19: 2,684,534 km (0.104 R)
• M20: 3,104,605 km (0.059 R)
• M21: 3,589,003 km (0.107 R)
• M22: 3,721,247 km (0.111 R)
• M23: 3,900,166 km (0.092 R)
• M24: 3,990,673 km (0.106 R)
• M25: 4,189,339 km (0.1 R)
• M26: 4,344,322 km (0.091 R)
• M27: 4,469,685 km (0.117 R)
• M28: 4,707,995 km (0.059 R)
• M29: 4,934,336 km (0.108 R)
• M30: 5,048,779 km (0.102 R)
• M31: 5,180,724 km (0.115 R)
• M32: 5,397,491 km (0.088 R)
• M33: 5,549,483 km (0.111 R)
• M34: 6,048,541 km (0.052 R)
• M35: 6,259,325 km (0.056 R)
• M36: 6,454,699 km (0.081 R)
• M37: 6,760,627 km (0.091 R)
• M38: 7,016,140 km (0.071 R)
• M39: 7,330,595 km (0.053 R)
• M40: 7,424,094 km (0.109 R)
• M41: 7,499,042 km (0.119 R)
• M42: 7,630,987 km (0.09 R)
• M43: 7,820,677 km (0.028 R)
• M44: 7,916,121 km (0.118 R)
• M45: 7,992,865 km (0.062 R)
• M46: 8,166,099 km (0.066 R)
• M47: 8,399,322 km (0.12 R)
• M48: 8,477,562 km (0.083 R)
• M49: 8,595,295 km (0.097 R)
• M50: 8,753,121 km (0.07 R)
• M51: 9,333,411 km (0.057 R)
• M52: 9,884,979 km (0.114 R)
• M53: 9,946,912 km (0.1 R)
• M54: 10,573,428 km (0.095 R)
• M55: 11,255,744 km (0.113 R)
• M56: 11,406,838 km (0.069 R)
• M57: 11,798,784 km (0.086 R)
• M58: 11,886,448 km (0.065 R)
• M59: 12,106,507 km (0.088 R)
• M60: 12,172,779 km (0.092 R)
• M61: 12,283,631 km (0.045 R)
• M62: 13,295,810 km (0.091 R)
• M63: 13,547,284 km (0.075 R)
• M64: 13,915,893 km (0.08 R)
• M65: 14,194,444 km (0.113 R)
• M66: 14,311,131 km (0.107 R)
• M67: 14,381,292 km (0.094 R)
• M68: 14,615,862 km (0.066 R)
• M69: 14,922,836 km (0.094 R)
• M70: 15,759,687 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 14.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.73 AU - 4.99 AU

Year: 4124 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 82,048,165 km

• M1: 319,990 km (0.106 R)
• M2: 459,864 km (0.059 R)
• M3: 601,683 km (0.116 R)
• M4: 703,409 km (0.073 R)
• M5: 801,845 km (0.052 R)
• M6: 895,343 km (0.093 R)
• M7: 1,359,695 km (0.103 R)
• M8: 1,526,497 km (0.118 R)
• M9: 1,741,618 km (0.072 R)
• M10: 1,924,128 km (0.067 R)
• M11: 2,054,278 km (0.07 R)
• M12: 2,432,013 km (0.075 R)
• M13: 2,931,370 km (0.092 R)
• M14: 3,253,454 km (0.065 R)
• M15: 3,877,128 km (0.102 R)
• M16: 4,137,129 km (0.076 R)
• M17: 4,307,371 km (0.089 R)
• M18: 4,441,411 km (0.103 R)
• M19: 4,694,082 km (0.06 R)
• M20: 5,031,724 km (0.113 R)
• M21: 5,522,106 km (0.113 R)
• M22: 5,731,094 km (0.099 R)
• M23: 6,461,132 km (0.039 R)
• M24: 6,637,209 km (0.114 R)
• M25: 7,061,917 km (0.107 R)
• M26: 7,289,007 km (0.083 R)
• M27: 8,150,242 km (0.105 R)
• M28: 8,316,894 km (0.044 R)
• M29: 8,581,083 km (0.041 R)
• M30: 8,677,724 km (0.094 R)
• M31: 8,823,582 km (0.074 R)
• M32: 9,043,790 km (0.092 R)
• M33: 9,464,908 km (0.081 R)
• M34: 9,564,839 km (0.1 R)
• M35: 9,740,766 km (0.094 R)
• M36: 10,121,343 km (0.094 R)
• M37: 10,274,980 km (0.101 R)
• M38: 10,403,485 km (0.111 R)
• M39: 10,740,379 km (0.099 R)
• M40: 10,897,008 km (0.1 R)
• M41: 11,371,832 km (0.062 R)
• M42: 11,531,453 km (0.086 R)
• M43: 11,988,175 km (0.111 R)
• M44: 12,096,484 km (0.106 R)
• M45: 13,169,849 km (0.116 R)
• M46: 13,393,797 km (0.054 R)
• M47: 14,388,473 km (0.094 R)
• M48: 14,909,373 km (0.085 R)
• M49: 15,495,347 km (0.071 R)
• M50: 15,643,001 km (0.073 R)
• M51: 15,820,872 km (0.087 R)
• M52: 16,478,654 km (0.098 R)
• M53: 16,780,692 km (0.055 R)
• M54: 17,145,562 km (0.119 R)
• M55: 17,390,304 km (0.057 R)
• M56: 17,636,093 km (0.076 R)
• M57: 17,728,544 km (0.064 R)
• M58: 17,821,295 km (0.107 R)
• M59: 18,162,378 km (0.085 R)
• M60: 18,380,642 km (0.101 R)
• M61: 19,548,403 km (0.081 R)
• M62: 19,676,159 km (0.042 R)
• M63: 20,351,145 km (0.107 R)
• M64: 20,870,549 km (0.116 R)
• M65: 21,066,522 km (0.106 R)
• M66: 21,493,025 km (0.111 R)
• M67: 21,724,004 km (0.091 R)
• M68: 21,889,310 km (0.098 R)
• M69: 21,988,793 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 4.4

Gravity: 46.07 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 9.32 AU - 14 AU

Year: 18038 Days

Day: 20 Hours

Environment

Temp: -197 °C

Axial Tilt: 68.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 82,048,165 km

• M1: 120,875 km (0.12 R)
• M2: 183,108 km (0.12 R)
• M3: 498,311 km (0.12 R)
• M4: 628,760 km (0.093 R)
• M5: 721,810 km (0.112 R)
• M6: 1,054,366 km (0.044 R)
• M7: 1,429,108 km (0.095 R)
• M8: 1,841,400 km (0.091 R)
• M9: 1,975,440 km (0.112 R)
• M10: 2,288,399 km (0.051 R)
• M11: 2,959,794 km (0.118 R)
• M12: 3,813,998 km (0.095 R)
• M13: 3,856,484 km (0.081 R)
• M14: 3,984,838 km (0.054 R)
• M15: 4,071,156 km (0.103 R)
• M16: 4,602,378 km (0.088 R)
• M17: 5,155,143 km (0.112 R)
• M18: 5,728,551 km (0.048 R)
• M19: 6,271,891 km (0.098 R)
• M20: 6,372,420 km (0.084 R)
• M21: 6,728,613 km (0.03 R)
• M22: 6,934,908 km (0.118 R)
• M23: 8,326,468 km (0.096 R)
• M24: 9,053,663 km (0.082 R)
• M25: 10,988,712 km (0.047 R)
• M26: 11,537,885 km (0.036 R)
• M27: 11,908,888 km (0.032 R)
• M28: 12,726,291 km (0.077 R)
• M29: 14,480,775 km (0.116 R)
• M30: 14,813,929 km (0.088 R)
• M31: 15,217,095 km (0.113 R)
• M32: 17,005,239 km (0.093 R)
• M33: 19,441,590 km (0.096 R)
• M34: 19,588,345 km (0.115 R)
• M35: 19,882,754 km (0.098 R)
• M36: 21,075,198 km (0.09 R)
• M37: 22,137,493 km (0.045 R)
• M38: 22,214,087 km (0.114 R)
• M39: 23,606,843 km (0.06 R)
• M40: 23,763,323 km (0.11 R)
• M41: 24,709,529 km (0.05 R)
• M42: 25,187,195 km (0.119 R)
• M43: 25,507,335 km (0.112 R)
• M44: 26,313,667 km (0.117 R)
• M45: 27,785,860 km (0.076 R)
• M46: 29,537,052 km (0.115 R)
• M47: 29,705,649 km (0.107 R)
• M48: 31,581,606 km (0.11 R)
• M49: 32,882,510 km (0.114 R)
• M50: 33,320,083 km (0.111 R)
• M51: 33,583,376 km (0.043 R)
• M52: 33,847,565 km (0.078 R)
• M53: 34,024,091 km (0.108 R)
• M54: 34,200,766 km (0.032 R)
• M55: 34,821,896 km (0.119 R)
• M56: 38,074,453 km (0.067 R)
• M57: 39,272,583 km (0.061 R)
• M58: 41,328,207 km (0.05 R)
• M59: 41,705,642 km (0.111 R)
• M60: 42,084,275 km (0.101 R)
• M61: 42,559,248 km (0.116 R)
• M62: 42,654,392 km (0.114 R)
• M63: 43,035,867 km (0.099 R)
• M64: 43,514,430 km (0.111 R)
• M65: 44,187,172 km (0.071 R)
• M66: 48,097,062 km (0.102 R)
• M67: 48,196,245 km (0.099 R)
• M68: 48,394,762 km (0.038 R)
• M69: 50,495,564 km (0.102 R)
• M70: 50,798,201 km (0.069 R)
• M71: 51,405,120 km (0.119 R)
• M72: 52,421,936 km (0.036 R)
• M73: 54,578,689 km (0.11 R)
• M74: 54,889,254 km (0.085 R)
• M75: 54,992,776 km (0.067 R)
• M76: 56,450,457 km (0.108 R)
• M77: 57,078,918 km (0.095 R)
• M78: 57,815,239 km (0.119 R)
• M79: 57,920,705 km (0.11 R)
• M80: 60,363,190 km (0.101 R)
• M81: 60,470,152 km (0.09 R)
• M82: 61,328,096 km (0.099 R)
• M83: 61,974,209 km (0.084 R)
• M84: 63,490,683 km (0.112 R)
• M85: 64,144,276 km (0.084 R)
• M86: 65,019,124 km (0.043 R)
• M87: 66,008,116 km (0.049 R)
• M88: 66,559,833 km (0.096 R)
• M89: 67,889,907 km (0.062 R)
• M90: 69,901,400 km (0.094 R)
• M91: 72,159,281 km (0.09 R)
• M92: 73,068,986 km (0.104 R)
• M93: 73,525,409 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823

Radius: 3.1

Gravity: 85.64 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 12.05 AU - 13.29 AU

Year: 20431 Days

Day: 20.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 82,048,165 km

• M1: 76,594 km (0.063 R)
• M2: 306,227 km (0.032 R)
• M3: 362,775 km (0.063 R)
• M4: 874,250 km (0.118 R)
• M5: 1,125,275 km (0.111 R)
• M6: 1,859,502 km (0.091 R)
• M7: 1,964,220 km (0.111 R)
• M8: 1,999,525 km (0.116 R)
• M9: 2,070,883 km (0.111 R)
• M10: 2,252,794 km (0.107 R)
• M11: 2,477,939 km (0.095 R)
• M12: 3,533,203 km (0.095 R)
• M13: 4,151,640 km (0.074 R)
• M14: 4,519,950 km (0.054 R)
• M15: 4,946,454 km (0.118 R)
• M16: 5,043,094 km (0.055 R)
• M17: 6,353,721 km (0.118 R)
• M18: 6,670,270 km (0.041 R)
• M19: 8,214,269 km (0.05 R)
• M20: 9,202,812 km (0.101 R)
• M21: 9,741,215 km (0.113 R)
• M22: 9,801,652 km (0.115 R)
• M23: 10,910,921 km (0.105 R)
• M24: 12,059,384 km (0.107 R)
• M25: 12,189,235 km (0.098 R)
• M26: 12,516,106 km (0.06 R)
• M27: 12,912,241 km (0.041 R)
• M28: 13,852,464 km (0.116 R)
• M29: 14,330,728 km (0.117 R)
• M30: 14,606,437 km (0.094 R)
• M31: 15,233,102 km (0.101 R)
• M32: 16,874,341 km (0.085 R)
• M33: 17,019,750 km (0.078 R)
• M34: 17,900,432 km (0.068 R)
• M35: 18,271,734 km (0.104 R)
• M36: 19,097,664 km (0.073 R)
• M37: 19,477,044 km (0.096 R)
• M38: 19,629,485 km (0.114 R)
• M39: 20,785,577 km (0.106 R)
• M40: 21,097,489 km (0.066 R)
• M41: 21,411,046 km (0.119 R)
• M42: 22,760,568 km (0.08 R)
• M43: 24,383,256 km (0.077 R)
• M44: 25,291,465 km (0.103 R)
• M45: 25,707,945 km (0.102 R)
• M46: 25,875,196 km (0.096 R)
• M47: 27,567,297 km (0.075 R)
• M48: 30,524,548 km (0.066 R)
• M49: 31,860,906 km (0.063 R)
• M50: 32,762,382 km (0.088 R)
• M51: 33,398,323 km (0.075 R)
• M52: 33,672,087 km (0.04 R)
• M53: 34,038,452 km (0.049 R)
• M54: 34,774,773 km (0.077 R)
• M55: 35,702,729 km (0.119 R)
• M56: 37,677,720 km (0.037 R)
• M57: 39,494,885 km (0.081 R)
• M58: 39,687,866 km (0.101 R)
• M59: 40,657,261 km (0.119 R)
• M60: 41,144,950 km (0.116 R)
• M61: 42,224,448 km (0.117 R)
• M62: 45,720,849 km (0.067 R)
• M63: 46,126,259 km (0.059 R)
• M64: 46,634,743 km (0.115 R)
• M65: 46,736,768 km (0.106 R)
• M66: 47,042,995 km (0.109 R)
• M67: 49,101,312 km (0.077 R)
• M68: 49,828,657 km (0.088 R)
• M69: 50,141,466 km (0.062 R)
• M70: 50,245,886 km (0.097 R)
• M71: 52,032,084 km (0.098 R)
• M72: 53,092,434 km (0.116 R)
• M73: 54,052,852 km (0.102 R)
• M74: 54,911,394 km (0.054 R)
• M75: 55,990,743 km (0.117 R)
• M76: 57,841,867 km (0.071 R)
• M77: 58,280,338 km (0.043 R)
• M78: 58,499,948 km (0.064 R)
• M79: 60,045,145 km (0.103 R)
• M80: 60,822,754 km (0.109 R)
• M81: 62,387,997 km (0.086 R)
• M82: 63,514,020 km (0.099 R)
• M83: 65,443,833 km (0.106 R)
• M84: 65,900,555 km (0.093 R)
• M85: 66,243,882 km (0.098 R)
• M86: 68,084,983 km (0.064 R)
• M87: 68,200,622 km (0.079 R)
• M88: 71,464,698 km (0.111 R)
• M89: 72,406,566 km (0.049 R)
• M90: 72,878,996 km (0.11 R)
• M91: 74,540,729 km (0.096 R)
• M92: 77,056,666 km (0.102 R)
• M93: 77,659,695 km (0.028 R)
• M94: 80,576,405 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 16,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit