🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.59 AU - 0.81 AU

Year: 225 Days

Day: 46.3 Hours

Environment

Temp: 172 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.79 AU - 0.83 AU

Year: 281 Days

Day: 34.3 Hours

Environment

Temp: 45 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.31 AU - 4.33 AU

Year: 2875 Days

Day: 47.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 95.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 11.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.25 AU - 4.33 AU

Year: 3421 Days

Day: 8.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 90,438,215 km

• M1: 142,866 km (0.096 R)
• M2: 357,689 km (0.061 R)
• M3: 515,365 km (0.104 R)
• M4: 645,814 km (0.088 R)
• M5: 811,718 km (0.109 R)
• M6: 906,413 km (0.113 R)
• M7: 992,582 km (0.114 R)
• M8: 1,094,757 km (0.068 R)
• M9: 1,282,652 km (0.057 R)
• M10: 1,366,577 km (0.042 R)
• M11: 1,510,789 km (0.119 R)
• M12: 1,584,840 km (0.075 R)
• M13: 1,909,617 km (0.035 R)
• M14: 2,138,053 km (0.118 R)
• M15: 2,375,614 km (0.101 R)
• M16: 2,586,248 km (0.092 R)
• M17: 2,675,708 km (0.106 R)
• M18: 2,950,818 km (0.096 R)
• M19: 3,608,301 km (0.108 R)
• M20: 3,933,377 km (0.069 R)
• M21: 4,036,899 km (0.117 R)
• M22: 4,267,878 km (0.118 R)
• M23: 4,986,995 km (0.053 R)
• M24: 5,303,394 km (0.102 R)
• M25: 5,487,250 km (0.085 R)
• M26: 5,673,200 km (0.074 R)
• M27: 5,932,304 km (0.051 R)
• M28: 6,708,268 km (0.028 R)
• M29: 6,832,434 km (0.119 R)
• M30: 8,354,592 km (0.097 R)
• M31: 8,595,744 km (0.111 R)
• M32: 9,085,079 km (0.12 R)
• M33: 9,277,761 km (0.081 R)
• M34: 9,444,114 km (0.025 R)
• M35: 9,527,589 km (0.06 R)
• M36: 10,062,402 km (0.113 R)
• M37: 10,176,246 km (0.109 R)
• M38: 10,261,816 km (0.072 R)
• M39: 10,926,479 km (0.078 R)
• M40: 11,219,840 km (0.12 R)
• M41: 11,545,515 km (0.119 R)
• M42: 11,934,469 km (0.084 R)
• M43: 12,115,483 km (0.088 R)
• M44: 12,541,388 km (0.051 R)
• M45: 12,879,479 km (0.077 R)
• M46: 13,501,806 km (0.065 R)
• M47: 13,784,995 km (0.092 R)
• M48: 14,006,699 km (0.072 R)
• M49: 14,133,857 km (0.053 R)
• M50: 14,229,600 km (0.114 R)
• M51: 14,325,492 km (0.096 R)
• M52: 14,711,155 km (0.093 R)
• M53: 15,789,457 km (0.098 R)
• M54: 16,021,334 km (0.111 R)
• M55: 16,690,485 km (0.083 R)
• M56: 16,893,040 km (0.114 R)
• M57: 17,062,385 km (0.114 R)
• M58: 17,848,821 km (0.098 R)
• M59: 18,647,075 km (0.092 R)
• M60: 20,170,580 km (0.089 R)
• M61: 20,314,344 km (0.08 R)
• M62: 20,675,323 km (0.102 R)
• M63: 21,366,765 km (0.083 R)
• M64: 22,436,988 km (0.1 R)
• M65: 22,697,887 km (0.105 R)
• M66: 22,884,884 km (0.114 R)
• M67: 23,260,375 km (0.103 R)
• M68: 24,017,489 km (0.086 R)
• M69: 24,399,114 km (0.111 R)
• M70: 24,744,385 km (0.097 R)
• M71: 24,859,725 km (0.093 R)
• M72: 25,323,180 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 13.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.6 AU - 9.42 AU

Year: 10413 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 90,438,215 km

• M1: 168,896 km (0.062 R)
• M2: 295,007 km (0.072 R)
• M3: 436,527 km (0.109 R)
• M4: 531,820 km (0.081 R)
• M5: 649,853 km (0.064 R)
• M6: 1,166,714 km (0.064 R)
• M7: 1,291,329 km (0.082 R)
• M8: 1,516,174 km (0.118 R)
• M9: 1,774,680 km (0.118 R)
• M10: 2,047,845 km (0.085 R)
• M11: 2,200,734 km (0.082 R)
• M12: 3,022,176 km (0.119 R)
• M13: 3,636,724 km (0.047 R)
• M14: 3,877,427 km (0.071 R)
• M15: 4,178,568 km (0.095 R)
• M16: 5,068,675 km (0.059 R)
• M17: 5,398,389 km (0.111 R)
• M18: 5,520,161 km (0.083 R)
• M19: 5,735,283 km (0.12 R)
• M20: 6,269,497 km (0.068 R)
• M21: 6,429,716 km (0.073 R)
• M22: 6,754,344 km (0.119 R)
• M23: 8,280,541 km (0.074 R)
• M24: 8,705,100 km (0.082 R)
• M25: 8,884,169 km (0.117 R)
• M26: 9,465,356 km (0.044 R)
• M27: 9,760,513 km (0.073 R)
• M28: 10,058,811 km (0.1 R)
• M29: 10,171,458 km (0.034 R)
• M30: 10,473,945 km (0.105 R)
• M31: 10,933,061 km (0.109 R)
• M32: 11,438,104 km (0.095 R)
• M33: 11,555,688 km (0.045 R)
• M34: 11,831,845 km (0.093 R)
• M35: 12,189,982 km (0.11 R)
• M36: 12,713,575 km (0.119 R)
• M37: 13,950,001 km (0.046 R)
• M38: 14,159,738 km (0.109 R)
• M39: 15,052,388 km (0.104 R)
• M40: 15,224,575 km (0.089 R)
• M41: 16,491,819 km (0.081 R)
• M42: 16,713,673 km (0.032 R)
• M43: 17,026,182 km (0.095 R)
• M44: 18,203,219 km (0.091 R)
• M45: 18,340,699 km (0.107 R)
• M46: 19,687,828 km (0.064 R)
• M47: 21,889,460 km (0.104 R)
• M48: 24,319,378 km (0.069 R)
• M49: 24,470,920 km (0.07 R)
• M50: 25,386,908 km (0.059 R)
• M51: 25,900,478 km (0.063 R)
• M52: 26,003,700 km (0.09 R)
• M53: 26,158,684 km (0.027 R)
• M54: 27,147,226 km (0.083 R)
• M55: 32,771,807 km (0.031 R)
• M56: 33,331,004 km (0.094 R)
• M57: 34,629,364 km (0.099 R)
• M58: 35,313,325 km (0.115 R)
• M59: 36,059,370 km (0.08 R)
• M60: 36,636,668 km (0.101 R)
• M61: 37,391,838 km (0.083 R)
• M62: 38,328,321 km (0.119 R)
• M63: 38,622,580 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 12.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.99 AU - 10.31 AU

Year: 10656 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 90,438,215 km

• M1: 245,939 km (0.109 R)
• M2: 416,032 km (0.12 R)
• M3: 604,525 km (0.109 R)
• M4: 702,212 km (0.115 R)
• M5: 915,838 km (0.072 R)
• M6: 1,031,178 km (0.104 R)
• M7: 1,341,893 km (0.085 R)
• M8: 1,778,270 km (0.11 R)
• M9: 1,925,175 km (0.08 R)
• M10: 2,050,837 km (0.095 R)
• M11: 2,257,881 km (0.076 R)
• M12: 2,417,651 km (0.029 R)
• M13: 3,670,833 km (0.088 R)
• M14: 3,955,667 km (0.102 R)
• M15: 4,346,566 km (0.117 R)
• M16: 4,818,547 km (0.105 R)
• M17: 5,095,603 km (0.105 R)
• M18: 5,236,075 km (0.05 R)
• M19: 5,413,648 km (0.066 R)
• M20: 5,665,571 km (0.117 R)
• M21: 6,106,435 km (0.113 R)
• M22: 6,711,559 km (0.108 R)
• M23: 6,827,198 km (0.108 R)
• M24: 6,904,690 km (0.11 R)
• M25: 7,060,571 km (0.082 R)
• M26: 7,296,487 km (0.05 R)
• M27: 7,655,222 km (0.036 R)
• M28: 8,142,612 km (0.058 R)
• M29: 8,598,287 km (0.117 R)
• M30: 9,318,900 km (0.107 R)
• M31: 9,795,669 km (0.103 R)
• M32: 10,817,871 km (0.11 R)
• M33: 11,135,766 km (0.098 R)
• M34: 11,734,457 km (0.079 R)
• M35: 12,249,074 km (0.07 R)
• M36: 15,082,906 km (0.077 R)
• M37: 15,438,201 km (0.074 R)
• M38: 16,834,398 km (0.109 R)
• M39: 17,202,858 km (0.077 R)
• M40: 17,361,730 km (0.084 R)
• M41: 17,574,159 km (0.067 R)
• M42: 17,680,673 km (0.11 R)
• M43: 18,270,538 km (0.098 R)
• M44: 18,486,706 km (0.119 R)
• M45: 19,469,714 km (0.075 R)
• M46: 19,579,968 km (0.097 R)
• M47: 20,078,727 km (0.112 R)
• M48: 20,525,725 km (0.079 R)
• M49: 20,694,173 km (0.092 R)
• M50: 22,346,032 km (0.058 R)
• M51: 22,751,143 km (0.042 R)
• M52: 24,693,373 km (0.101 R)
• M53: 24,932,430 km (0.107 R)
• M54: 25,112,247 km (0.11 R)
• M55: 26,260,859 km (0.091 R)
• M56: 26,504,853 km (0.108 R)
• M57: 27,241,323 km (0.062 R)
• M58: 27,550,243 km (0.084 R)
• M59: 32,059,871 km (0.09 R)
• M60: 32,320,770 km (0.06 R)
• M61: 32,582,267 km (0.081 R)
• M62: 32,844,512 km (0.113 R)
• M63: 33,239,151 km (0.119 R)
• M64: 33,900,373 km (0.096 R)
• M65: 35,370,472 km (0.079 R)
• M66: 36,113,375 km (0.074 R)
• M67: 36,793,148 km (0.081 R)
• M68: 37,203,046 km (0.064 R)
• M69: 37,751,920 km (0.109 R)
• M70: 38,580,244 km (0.114 R)
• M71: 39,275,126 km (0.109 R)
• M72: 41,384,456 km (0.08 R)
• M73: 41,668,542 km (0.069 R)
• M74: 41,810,810 km (0.048 R)
• M75: 41,953,227 km (0.115 R)
• M76: 43,458,331 km (0.094 R)
• M77: 43,891,566 km (0.106 R)
• M78: 44,544,262 km (0.087 R)
• M79: 45,419,410 km (0.106 R)
• M80: 45,639,169 km (0.073 R)
• M81: 45,859,078 km (0.118 R)
• M82: 47,335,010 km (0.11 R)
• M83: 48,078,811 km (0.041 R)
• M84: 48,676,604 km (0.03 R)
• M85: 50,409,097 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.9

Radius: 4.2

Gravity: 40.75 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 12.21 AU - 15.79 AU

Year: 20168 Days

Day: 17.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 90,438,215 km

• M1: 71,957 km (0.106 R)
• M2: 209,437 km (0.075 R)
• M3: 476,320 km (0.062 R)
• M4: 518,057 km (0.07 R)
• M5: 627,862 km (0.1 R)
• M6: 745,147 km (0.101 R)
• M7: 947,104 km (0.034 R)
• M8: 1,430,156 km (0.102 R)
• M9: 1,522,308 km (0.113 R)
• M10: 1,584,840 km (0.114 R)
• M11: 2,011,942 km (0.105 R)
• M12: 2,080,757 km (0.032 R)
• M13: 2,620,805 km (0.089 R)
• M14: 3,282,327 km (0.079 R)
• M15: 5,789,587 km (0.115 R)
• M16: 5,986,308 km (0.047 R)
• M17: 6,335,769 km (0.059 R)
• M18: 8,290,116 km (0.094 R)
• M19: 8,735,319 km (0.08 R)
• M20: 8,904,215 km (0.114 R)
• M21: 9,131,304 km (0.079 R)
• M22: 9,245,448 km (0.027 R)
• M23: 9,475,230 km (0.101 R)
• M24: 10,353,818 km (0.099 R)
• M25: 10,772,543 km (0.11 R)
• M26: 11,014,442 km (0.117 R)
• M27: 12,312,952 km (0.092 R)
• M28: 12,756,510 km (0.026 R)
• M29: 13,855,156 km (0.091 R)
• M30: 15,051,191 km (0.109 R)
• M31: 15,186,129 km (0.096 R)
• M32: 15,321,515 km (0.043 R)
• M33: 15,661,551 km (0.032 R)
• M34: 16,210,724 km (0.095 R)
• M35: 18,254,082 km (0.109 R)
• M36: 20,526,324 km (0.089 R)
• M37: 20,675,922 km (0.1 R)
• M38: 21,126,959 km (0.087 R)
• M39: 21,809,574 km (0.049 R)
• M40: 22,576,563 km (0.067 R)
• M41: 24,453,118 km (0.092 R)
• M42: 24,532,256 km (0.08 R)
• M43: 25,973,631 km (0.088 R)
• M44: 26,623,035 km (0.079 R)
• M45: 27,113,567 km (0.079 R)
• M46: 27,937,702 km (0.1 R)
• M47: 29,864,373 km (0.104 R)
• M48: 30,203,810 km (0.093 R)
• M49: 31,401,790 km (0.116 R)
• M50: 31,746,912 km (0.045 R)
• M51: 32,093,231 km (0.049 R)
• M52: 32,702,394 km (0.074 R)
• M53: 34,020,650 km (0.111 R)
• M54: 34,641,781 km (0.099 R)
• M55: 35,535,478 km (0.087 R)
• M56: 37,437,017 km (0.117 R)
• M57: 38,815,262 km (0.104 R)
• M58: 39,000,314 km (0.098 R)
• M59: 39,650,168 km (0.11 R)
• M60: 41,526,723 km (0.066 R)
• M61: 41,810,660 km (0.053 R)
• M62: 42,095,195 km (0.113 R)
• M63: 43,048,582 km (0.12 R)
• M64: 44,976,450 km (0.109 R)
• M65: 47,030,878 km (0.041 R)
• M66: 48,218,535 km (0.12 R)
• M67: 48,417,351 km (0.119 R)
• M68: 50,825,428 km (0.08 R)
• M69: 51,636,697 km (0.1 R)
• M70: 53,992,863 km (0.081 R)
• M71: 54,406,202 km (0.117 R)
• M72: 54,613,246 km (0.1 R)
• M73: 55,444,112 km (0.116 R)
• M74: 55,652,502 km (0.044 R)
• M75: 56,488,605 km (0.08 R)
• M76: 56,803,209 km (0.035 R)
• M77: 57,013,245 km (0.06 R)
• M78: 59,447,351 km (0.093 R)
• M79: 61,268,257 km (0.082 R)
• M80: 62,131,436 km (0.118 R)
• M81: 62,890,047 km (0.115 R)
• M82: 63,107,413 km (0.11 R)
• M83: 63,760,856 km (0.088 R)
• M84: 63,979,120 km (0.12 R)
• M85: 64,745,061 km (0.093 R)
• M86: 65,184,280 km (0.088 R)
• M87: 65,404,189 km (0.095 R)
• M88: 68,173,844 km (0.111 R)
• M89: 69,741,480 km (0.104 R)
• M90: 70,981,646 km (0.114 R)
• M91: 72,570,376 km (0.05 R)
• M92: 74,630,189 km (0.109 R)
• M93: 76,014,119 km (0.077 R)
• M94: 76,245,696 km (0.037 R)
• M95: 76,709,300 km (0.102 R)
• M96: 77,406,576 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.8

Radius: 5.4

Gravity: 31.92 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 12.73 AU - 17.15 AU

Year: 22233 Days

Day: 15.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 90,438,215 km

• M1: 403,166 km (0.102 R)
• M2: 684,410 km (0.065 R)
• M3: 1,232,836 km (0.093 R)
• M4: 1,813,126 km (0.059 R)
• M5: 2,267,305 km (0.098 R)
• M6: 2,386,236 km (0.085 R)
• M7: 2,507,111 km (0.075 R)
• M8: 3,637,622 km (0.082 R)
• M9: 4,060,984 km (0.091 R)
• M10: 4,109,005 km (0.083 R)
• M11: 4,157,325 km (0.079 R)
• M12: 4,500,054 km (0.114 R)
• M13: 4,851,908 km (0.11 R)
• M14: 5,850,922 km (0.094 R)
• M15: 5,905,226 km (0.099 R)
• M16: 6,569,890 km (0.028 R)
• M17: 6,796,830 km (0.103 R)
• M18: 7,083,908 km (0.036 R)
• M19: 7,199,846 km (0.12 R)
• M20: 7,258,189 km (0.047 R)
• M21: 8,332,751 km (0.079 R)
• M22: 10,165,774 km (0.1 R)
• M23: 10,559,964 km (0.092 R)
• M24: 11,295,836 km (0.082 R)
• M25: 11,772,604 km (0.106 R)
• M26: 13,385,120 km (0.078 R)
• M27: 14,326,689 km (0.086 R)
• M28: 14,768,451 km (0.086 R)
• M29: 15,065,403 km (0.082 R)
• M30: 15,665,291 km (0.115 R)
• M31: 16,120,367 km (0.11 R)
• M32: 16,196,513 km (0.078 R)
• M33: 17,432,939 km (0.106 R)
• M34: 18,221,021 km (0.06 R)
• M35: 18,539,515 km (0.051 R)
• M36: 19,587,298 km (0.112 R)
• M37: 19,995,401 km (0.111 R)
• M38: 20,159,360 km (0.095 R)
• M39: 25,105,963 km (0.09 R)
• M40: 25,460,211 km (0.093 R)
• M41: 25,549,072 km (0.085 R)
• M42: 25,727,094 km (0.08 R)
• M43: 26,893,957 km (0.072 R)
• M44: 27,347,388 km (0.036 R)
• M45: 27,529,449 km (0.062 R)
• M46: 27,986,470 km (0.036 R)
• M47: 28,169,877 km (0.108 R)
• M48: 32,306,109 km (0.072 R)
• M49: 37,029,213 km (0.083 R)
• M50: 37,533,507 km (0.08 R)
• M51: 38,753,029 km (0.087 R)
• M52: 41,230,669 km (0.102 R)
• M53: 41,753,215 km (0.081 R)
• M54: 42,488,488 km (0.111 R)
• M55: 43,122,185 km (0.054 R)
• M56: 43,971,901 km (0.068 R)
• M57: 47,316,610 km (0.082 R)
• M58: 48,083,000 km (0.104 R)
• M59: 48,302,759 km (0.113 R)
• M60: 49,185,087 km (0.107 R)
• M61: 49,850,349 km (0.103 R)
• M62: 50,072,801 km (0.105 R)
• M63: 50,630,352 km (0.085 R)
• M64: 51,189,848 km (0.05 R)
• M65: 51,526,593 km (0.087 R)
• M66: 52,089,380 km (0.097 R)
• M67: 53,107,543 km (0.111 R)
• M68: 54,933,834 km (0.118 R)
• M69: 56,201,227 km (0.031 R)
• M70: 56,780,470 km (0.113 R)
• M71: 58,061,926 km (0.079 R)
• M72: 60,415,998 km (0.041 R)
• M73: 61,724,081 km (0.108 R)
• M74: 62,441,553 km (0.093 R)
• M75: 62,681,209 km (0.082 R)
• M76: 63,041,440 km (0.109 R)
• M77: 64,247,050 km (0.086 R)
• M78: 66,681,007 km (0.1 R)
• M79: 67,539,998 km (0.079 R)
• M80: 68,155,892 km (0.107 R)
• M81: 68,773,432 km (0.098 R)
• M82: 70,014,347 km (0.114 R)
• M83: 70,512,807 km (0.104 R)
• M84: 71,387,954 km (0.047 R)
• M85: 76,072,761 km (0.107 R)
• M86: 76,970,199 km (0.066 R)
• M87: 77,227,358 km (0.051 R)
• M88: 79,943,606 km (0.035 R)
• M89: 81,509,746 km (0.102 R)
• M90: 86,268,754 km (0.072 R)
• M91: 87,204,488 km (0.103 R)
• M92: 87,472,418 km (0.094 R)
• M93: 88,547,129 km (0.093 R)
• M94: 89,490,942 km (0.112 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: 428 - 14,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit