🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.54 AU - 0.86 AU

Year: 214 Days

Day: 45.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,409,839 km

• M1: 339,438 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.8 AU - 0.98 AU

Year: 307 Days

Day: 27.9 Hours

Environment

Temp: 133 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.54 AU - 1.74 AU

Year: 767 Days

Day: 35.4 Hours

Environment

Temp: -54 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.65 AU - 2.59 AU

Year: 1127 Days

Day: 28.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,409,839 km

• M1: 112,049 km (0.098 R)
• M2: 337,044 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.64 AU - 2.98 AU

Year: 1720 Days

Day: 40.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,409,839 km

• M1: 959,072 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 11

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.18 AU - 10.8 AU

Year: 10678 Days

Day: 7 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 70,409,839 km

• M1: 137,480 km (0.117 R)
• M2: 372,050 km (0.114 R)
• M3: 471,532 km (0.061 R)
• M4: 702,960 km (0.086 R)
• M5: 832,961 km (0.081 R)
• M6: 917,185 km (0.102 R)
• M7: 1,049,579 km (0.099 R)
• M8: 1,260,661 km (0.097 R)
• M9: 1,346,680 km (0.064 R)
• M10: 1,498,821 km (0.058 R)
• M11: 1,656,946 km (0.088 R)
• M12: 1,779,167 km (0.058 R)
• M13: 1,904,530 km (0.074 R)
• M14: 2,135,061 km (0.106 R)
• M15: 2,435,902 km (0.111 R)
• M16: 2,607,341 km (0.095 R)
• M17: 2,831,439 km (0.116 R)
• M18: 3,045,065 km (0.11 R)
• M19: 3,488,622 km (0.086 R)
• M20: 3,934,424 km (0.096 R)
• M21: 4,398,327 km (0.107 R)
• M22: 4,531,469 km (0.089 R)
• M23: 5,976,585 km (0.064 R)
• M24: 6,187,966 km (0.066 R)
• M25: 6,294,480 km (0.051 R)
• M26: 6,466,368 km (0.117 R)
• M27: 6,574,527 km (0.077 R)
• M28: 6,661,593 km (0.114 R)
• M29: 7,598,076 km (0.042 R)
• M30: 7,689,480 km (0.066 R)
• M31: 7,942,600 km (0.112 R)
• M32: 8,151,738 km (0.117 R)
• M33: 8,315,846 km (0.116 R)
• M34: 8,910,348 km (0.116 R)
• M35: 10,115,210 km (0.036 R)
• M36: 11,162,395 km (0.101 R)
• M37: 12,270,616 km (0.079 R)
• M38: 12,783,437 km (0.107 R)
• M39: 13,056,154 km (0.088 R)
• M40: 13,552,071 km (0.03 R)
• M41: 13,746,548 km (0.057 R)
• M42: 14,307,241 km (0.086 R)
• M43: 14,704,274 km (0.052 R)
• M44: 15,306,705 km (0.11 R)
• M45: 16,417,170 km (0.096 R)
• M46: 16,624,512 km (0.095 R)
• M47: 17,402,421 km (0.094 R)
• M48: 19,367,539 km (0.111 R)
• M49: 19,901,304 km (0.112 R)
• M50: 20,280,983 km (0.091 R)
• M51: 20,822,976 km (0.069 R)
• M52: 21,208,341 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.8

Radius: 13.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.11 AU - 12.41 AU

Year: 12004 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 70,409,839 km

• M1: 184,604 km (0.099 R)
• M2: 435,779 km (0.053 R)
• M3: 586,274 km (0.12 R)
• M4: 1,013,675 km (0.095 R)
• M5: 1,280,558 km (0.083 R)
• M6: 1,734,288 km (0.083 R)
• M7: 1,968,858 km (0.116 R)
• M8: 3,137,367 km (0.1 R)
• M9: 3,241,038 km (0.072 R)
• M10: 3,345,756 km (0.089 R)
• M11: 4,398,177 km (0.105 R)
• M12: 4,691,389 km (0.116 R)
• M13: 4,810,469 km (0.101 R)
• M14: 4,960,815 km (0.111 R)
• M15: 5,266,294 km (0.12 R)
• M16: 5,546,491 km (0.1 R)
• M17: 5,895,502 km (0.061 R)
• M18: 6,317,518 km (0.028 R)
• M19: 6,449,314 km (0.06 R)
• M20: 6,782,917 km (0.111 R)
• M21: 7,053,988 km (0.088 R)
• M22: 7,328,500 km (0.069 R)
• M23: 7,536,890 km (0.063 R)
• M24: 7,817,686 km (0.088 R)
• M25: 8,066,168 km (0.115 R)
• M26: 8,209,482 km (0.078 R)
• M27: 8,389,598 km (0.036 R)
• M28: 8,680,716 km (0.11 R)
• M29: 9,198,175 km (0.112 R)
• M30: 9,460,719 km (0.117 R)
• M31: 9,611,962 km (0.051 R)
• M32: 10,147,224 km (0.106 R)
• M33: 10,379,699 km (0.108 R)
• M34: 10,692,358 km (0.086 R)
• M35: 11,689,428 km (0.074 R)
• M36: 11,933,273 km (0.073 R)
• M37: 12,674,530 km (0.107 R)
• M38: 12,757,856 km (0.111 R)
• M39: 13,219,365 km (0.086 R)
• M40: 13,473,383 km (0.119 R)
• M41: 13,600,990 km (0.108 R)
• M42: 14,072,373 km (0.08 R)
• M43: 14,375,159 km (0.079 R)
• M44: 14,899,200 km (0.114 R)
• M45: 15,340,813 km (0.109 R)
• M46: 15,652,425 km (0.109 R)
• M47: 15,741,885 km (0.076 R)
• M48: 16,146,547 km (0.092 R)
• M49: 16,828,414 km (0.075 R)
• M50: 16,965,895 km (0.047 R)
• M51: 17,195,976 km (0.071 R)
• M52: 17,427,105 km (0.066 R)
• M53: 17,566,231 km (0.065 R)
• M54: 18,173,449 km (0.105 R)
• M55: 18,314,519 km (0.053 R)
• M56: 19,987,772 km (0.096 R)
• M57: 20,182,099 km (0.11 R)
• M58: 20,670,686 km (0.116 R)
• M59: 21,809,275 km (0.077 R)
• M60: 22,009,288 km (0.071 R)
• M61: 22,310,578 km (0.044 R)
• M62: 26,031,525 km (0.085 R)
• M63: 26,403,426 km (0.053 R)
• M64: 26,670,159 km (0.094 R)
• M65: 26,884,233 km (0.079 R)
• M66: 27,098,757 km (0.11 R)
• M67: 28,398,463 km (0.113 R)
• M68: 30,162,671 km (0.032 R)
• M69: 31,283,308 km (0.105 R)
• M70: 31,509,052 km (0.108 R)
• M71: 32,760,438 km (0.106 R)
• M72: 33,565,274 km (0.115 R)
• M73: 33,796,403 km (0.069 R)
• M74: 34,086,024 km (0.072 R)
• M75: 34,609,467 km (0.092 R)
• M76: 37,266,625 km (0.055 R)
• M77: 38,106,766 km (0.075 R)
• M78: 38,529,081 km (0.097 R)
• M79: 38,952,892 km (0.057 R)
• M80: 41,095,582 km (0.12 R)
• M81: 41,281,084 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 10.51 AU - 13.27 AU

Year: 14975 Days

Day: 8.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 70,409,839 km

• M1: 101,278 km (0.097 R)
• M2: 151,842 km (0.119 R)
• M3: 265,237 km (0.088 R)
• M4: 438,023 km (0.112 R)
• M5: 493,224 km (0.093 R)
• M6: 551,268 km (0.093 R)
• M7: 877,990 km (0.069 R)
• M8: 1,145,172 km (0.082 R)
• M9: 1,294,171 km (0.075 R)
• M10: 1,437,486 km (0.1 R)
• M11: 1,523,505 km (0.092 R)
• M12: 1,598,752 km (0.112 R)
• M13: 1,700,928 km (0.105 R)
• M14: 1,818,512 km (0.091 R)
• M15: 1,993,242 km (0.104 R)
• M16: 2,505,615 km (0.109 R)
• M17: 2,900,254 km (0.084 R)
• M18: 3,314,490 km (0.094 R)
• M19: 4,233,171 km (0.068 R)
• M20: 4,556,153 km (0.108 R)
• M21: 4,665,509 km (0.11 R)
• M22: 4,831,413 km (0.116 R)
• M23: 5,206,754 km (0.058 R)
• M24: 5,787,642 km (0.076 R)
• M25: 5,926,020 km (0.077 R)
• M26: 6,186,171 km (0.097 R)
• M27: 6,409,222 km (0.052 R)
• M28: 6,884,195 km (0.082 R)
• M29: 7,010,007 km (0.102 R)
• M30: 7,306,360 km (0.076 R)
• M31: 8,220,253 km (0.088 R)
• M32: 8,758,507 km (0.095 R)
• M33: 9,169,751 km (0.114 R)
• M34: 9,261,903 km (0.074 R)
• M35: 9,447,405 km (0.107 R)
• M36: 9,704,264 km (0.11 R)
• M37: 10,225,164 km (0.053 R)
• M38: 10,440,735 km (0.075 R)
• M39: 10,561,310 km (0.042 R)
• M40: 10,682,186 km (0.058 R)
• M41: 10,998,884 km (0.095 R)
• M42: 11,716,206 km (0.108 R)
• M43: 11,916,817 km (0.072 R)
• M44: 12,118,475 km (0.094 R)
• M45: 12,219,752 km (0.1 R)
• M46: 12,295,898 km (0.088 R)
• M47: 12,833,403 km (0.091 R)
• M48: 12,962,506 km (0.112 R)
• M49: 13,588,274 km (0.101 R)
• M50: 13,799,057 km (0.092 R)
• M51: 14,010,888 km (0.113 R)
• M52: 14,223,766 km (0.071 R)
• M53: 14,330,578 km (0.053 R)
• M54: 14,977,440 km (0.069 R)
• M55: 16,076,535 km (0.054 R)
• M56: 16,551,508 km (0.098 R)
• M57: 17,258,358 km (0.038 R)
• M58: 17,601,087 km (0.053 R)
• M59: 17,859,742 km (0.075 R)
• M60: 18,293,426 km (0.092 R)
• M61: 18,643,036 km (0.106 R)
• M62: 18,965,270 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.7

Radius: 5

Gravity: 29.79 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 12.49 AU - 17.17 AU

Year: 20859 Days

Day: 15.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 70,409,839 km

• M1: 82,578 km (0.078 R)
• M2: 459,265 km (0.059 R)
• M3: 681,418 km (0.098 R)
• M4: 804,238 km (0.105 R)
• M5: 1,099,245 km (0.095 R)
• M6: 1,551,180 km (0.058 R)
• M7: 2,305,752 km (0.055 R)
• M8: 2,528,802 km (0.076 R)
• M9: 2,642,946 km (0.064 R)
• M10: 2,681,392 km (0.044 R)
• M11: 3,116,273 km (0.078 R)
• M12: 3,156,964 km (0.1 R)
• M13: 3,874,286 km (0.096 R)
• M14: 6,049,289 km (0.083 R)
• M15: 6,151,165 km (0.112 R)
• M16: 6,616,115 km (0.074 R)
• M17: 7,524,773 km (0.103 R)
• M18: 7,579,526 km (0.119 R)
• M19: 7,854,786 km (0.083 R)
• M20: 9,163,169 km (0.12 R)
• M21: 9,456,381 km (0.11 R)
• M22: 10,354,566 km (0.059 R)
• M23: 10,476,339 km (0.077 R)
• M24: 11,216,998 km (0.087 R)
• M25: 11,342,211 km (0.099 R)
• M26: 12,359,477 km (0.08 R)
• M27: 12,879,030 km (0.047 R)
• M28: 13,939,530 km (0.064 R)
• M29: 14,074,018 km (0.096 R)
• M30: 14,548,243 km (0.115 R)
• M31: 16,354,787 km (0.079 R)
• M32: 17,284,388 km (0.087 R)
• M33: 17,937,832 km (0.063 R)
• M34: 19,343,753 km (0.055 R)
• M35: 19,493,799 km (0.113 R)
• M36: 20,173,871 km (0.09 R)
• M37: 21,169,744 km (0.1 R)
• M38: 22,812,030 km (0.061 R)
• M39: 22,891,317 km (0.114 R)
• M40: 23,129,476 km (0.093 R)
• M41: 24,657,170 km (0.079 R)
• M42: 25,886,116 km (0.047 R)
• M43: 27,302,808 km (0.041 R)
• M44: 27,724,225 km (0.093 R)
• M45: 28,062,915 km (0.074 R)
• M46: 28,659,062 km (0.119 R)
• M47: 29,173,230 km (0.073 R)
• M48: 29,604,072 km (0.117 R)
• M49: 32,410,977 km (0.064 R)
• M50: 32,499,988 km (0.081 R)
• M51: 33,485,239 km (0.113 R)
• M52: 35,118,399 km (0.072 R)
• M53: 36,684,390 km (0.101 R)
• M54: 37,242,540 km (0.111 R)
• M55: 39,028,588 km (0.054 R)
• M56: 39,979,732 km (0.113 R)
• M57: 40,842,313 km (0.083 R)
• M58: 41,517,448 km (0.108 R)
• M59: 42,001,846 km (0.117 R)
• M60: 44,155,756 km (0.047 R)
• M61: 45,345,658 km (0.113 R)
• M62: 46,345,271 km (0.099 R)
• M63: 46,445,501 km (0.074 R)
• M64: 46,546,031 km (0.063 R)
• M65: 48,162,735 km (0.08 R)
• M66: 49,080,219 km (0.097 R)
• M67: 50,106,460 km (0.107 R)
• M68: 54,281,288 km (0.112 R)
• M69: 55,982,216 km (0.094 R)
• M70: 56,946,673 km (0.118 R)
• M71: 57,269,356 km (0.072 R)
• M72: 57,808,507 km (0.094 R)
• M73: 59,436,132 km (0.05 R)
• M74: 59,763,452 km (0.034 R)
• M75: 60,858,807 km (0.068 R)
• M76: 61,629,536 km (0.056 R)
• M77: 64,408,466 km (0.051 R)
• M78: 65,644,144 km (0.103 R)
• M79: 67,000,847 km (0.1 R)
• M80: 68,024,545 km (0.113 R)
• M81: 69,053,480 km (0.104 R)
• M82: 70,548,710 km (0.066 R)
• M83: 71,705,999 km (0.098 R)
• M84: 73,103,243 km (0.107 R)
• M85: 73,805,157 km (0.087 R)
• M86: 74,391,880 km (0.104 R)
• M87: 74,744,482 km (0.111 R)
• M88: 75,215,715 km (0.044 R)
• M89: 76,397,987 km (0.059 R)
• M90: 77,229,302 km (0.047 R)
• M91: 78,063,460 km (0.062 R)
• M92: 79,020,587 km (0.092 R)
• M93: 79,981,454 km (0.12 R)
• M94: 80,101,881 km (0.096 R)
• M95: 80,463,459 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.6

Radius: 3.9

Gravity: 30.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 11.46 AU - 18.98 AU

Year: 21688 Days

Day: 19.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 70,409,839 km

• M1: 66,272 km (0.079 R)
• M2: 129,701 km (0.119 R)
• M3: 232,774 km (0.117 R)
• M4: 470,336 km (0.088 R)
• M5: 509,231 km (0.07 R)
• M6: 1,056,909 km (0.089 R)
• M7: 1,323,792 km (0.045 R)
• M8: 1,730,997 km (0.089 R)
• M9: 2,476,742 km (0.058 R)
• M10: 2,685,880 km (0.106 R)
• M11: 2,973,407 km (0.076 R)
• M12: 3,270,658 km (0.115 R)
• M13: 3,813,549 km (0.096 R)
• M14: 3,933,526 km (0.097 R)
• M15: 4,893,496 km (0.069 R)
• M16: 5,377,146 km (0.087 R)
• M17: 6,107,333 km (0.08 R)
• M18: 6,200,682 km (0.075 R)
• M19: 6,483,871 km (0.1 R)
• M20: 7,160,951 km (0.029 R)
• M21: 7,507,868 km (0.072 R)
• M22: 7,557,984 km (0.057 R)
• M23: 8,843,628 km (0.046 R)
• M24: 9,484,505 km (0.109 R)
• M25: 9,810,479 km (0.117 R)
• M26: 9,919,984 km (0.07 R)
• M27: 10,195,394 km (0.116 R)
• M28: 11,150,726 km (0.115 R)
• M29: 11,494,652 km (0.082 R)
• M30: 11,958,555 km (0.118 R)
• M31: 12,547,222 km (0.074 R)
• M32: 12,666,003 km (0.066 R)
• M33: 12,725,543 km (0.053 R)
• M34: 13,569,275 km (0.118 R)
• M35: 14,059,357 km (0.057 R)
• M36: 14,680,189 km (0.1 R)
• M37: 15,246,566 km (0.097 R)
• M38: 15,948,479 km (0.057 R)
• M39: 16,726,089 km (0.114 R)
• M40: 16,856,838 km (0.074 R)
• M41: 17,317,300 km (0.068 R)
• M42: 18,385,279 km (0.093 R)
• M43: 18,587,984 km (0.093 R)
• M44: 19,131,922 km (0.118 R)
• M45: 19,474,501 km (0.067 R)
• M46: 20,654,380 km (0.113 R)
• M47: 20,724,541 km (0.109 R)
• M48: 22,792,432 km (0.109 R)
• M49: 23,740,584 km (0.102 R)
• M50: 24,108,594 km (0.063 R)
• M51: 26,737,478 km (0.096 R)
• M52: 26,890,367 km (0.072 R)
• M53: 28,435,713 km (0.074 R)
• M54: 29,455,522 km (0.074 R)
• M55: 32,586,156 km (0.103 R)
• M56: 35,232,543 km (0.117 R)
• M57: 35,484,017 km (0.092 R)
• M58: 35,736,239 km (0.056 R)
• M59: 38,032,865 km (0.092 R)
• M60: 38,290,921 km (0.114 R)
• M61: 38,808,829 km (0.12 R)
• M62: 40,464,279 km (0.108 R)
• M63: 40,727,721 km (0.095 R)
• M64: 40,815,685 km (0.039 R)
• M65: 41,080,024 km (0.072 R)
• M66: 41,964,895 km (0.072 R)
• M67: 43,035,119 km (0.116 R)
• M68: 43,124,728 km (0.06 R)
• M69: 43,843,546 km (0.086 R)
• M70: 43,933,753 km (0.101 R)
• M71: 44,566,402 km (0.065 R)
• M72: 46,115,638 km (0.085 R)
• M73: 46,482,751 km (0.113 R)
• M74: 47,404,573 km (0.052 R)
• M75: 47,774,978 km (0.103 R)
• M76: 47,960,629 km (0.096 R)
• M77: 48,425,579 km (0.09 R)
• M78: 50,867,764 km (0.083 R)
• M79: 54,799,196 km (0.103 R)
• M80: 55,382,628 km (0.102 R)
• M81: 55,480,166 km (0.097 R)
• M82: 57,539,679 km (0.068 R)
• M83: 58,033,801 km (0.086 R)
• M84: 60,324,444 km (0.08 R)
• M85: 60,826,345 km (0.052 R)
• M86: 61,329,592 km (0.11 R)
• M87: 64,378,097 km (0.114 R)
• M88: 64,480,572 km (0.063 R)
• M89: 65,611,233 km (0.1 R)
• M90: 65,817,528 km (0.107 R)
• M91: 68,205,110 km (0.07 R)
• M92: 69,147,128 km (0.059 R)
• M93: 69,672,366 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit