Close Approach Data
| Date | Miss Distance | Speed |
|---|---|---|
| September 16, 1903 | 0.0796 AU (11.9 million km) | 18.0 km/s |
| May 8, 1906 | 0.1907 AU (28.5 million km) | 12.5 km/s |
| February 21, 1927 | 1.9140 AU (286.3 million km) | 3.9 km/s |
| February 18, 1934 | 0.1037 AU (15.5 million km) | 10.3 km/s |
| December 22, 1947 | 0.1474 AU (22.0 million km) | 21.3 km/s |
| May 9, 1959 | 0.1881 AU (28.1 million km) | 12.5 km/s |
| June 26, 1963 | 1.9903 AU (297.7 million km) | 4.2 km/s |
| July 24, 1974 | 1.9388 AU (290.0 million km) | 3.9 km/s |
| January 14, 1976 | 0.1308 AU (19.6 million km) | 12.0 km/s |
| December 22, 2000 | 0.1427 AU (21.3 million km) | 21.2 km/s |
| November 29, 2010 | 1.9564 AU (292.7 million km) | 4.2 km/s |
| March 18, 2012 | 0.1457 AU (21.8 million km) | 17.6 km/s |
| May 20, 2012 | 0.1218 AU (18.2 million km) | 14.4 km/s |
| December 26, 2021 | 1.9652 AU (294.0 million km) | 3.9 km/s |
| June 9, 2051 | 0.1953 AU (29.2 million km) | 22.1 km/s |
| December 22, 2053 | 0.1537 AU (23.0 million km) | 21.6 km/s |
| January 17, 2054 | 0.1357 AU (20.3 million km) | 17.2 km/s |
| April 29, 2058 | 1.9204 AU (287.3 million km) | 4.0 km/s |
| May 20, 2065 | 0.1280 AU (19.1 million km) | 14.1 km/s |
| January 8, 2093 | 0.0843 AU (12.6 million km) | 14.9 km/s |
| July 12, 2101 | 0.1230 AU (18.4 million km) | 10.8 km/s |
| June 3, 2104 | 0.0981 AU (14.7 million km) | 18.6 km/s |
| September 23, 2105 | 1.8814 AU (281.5 million km) | 4.0 km/s |
| May 21, 2118 | 0.1328 AU (19.9 million km) | 13.9 km/s |
| September 23, 2137 | 0.0982 AU (14.7 million km) | 14.1 km/s |
| May 23, 2143 | 0.1409 AU (21.1 million km) | 14.2 km/s |
| January 8, 2146 | 0.0611 AU (9.1 million km) | 15.4 km/s |
| February 24, 2153 | 1.8604 AU (278.3 million km) | 3.9 km/s |
| June 11, 2157 | 0.1940 AU (29.0 million km) | 22.1 km/s |
| December 27, 2159 | 0.1218 AU (18.2 million km) | 20.6 km/s |
| May 28, 2171 | 0.0916 AU (13.7 million km) | 15.4 km/s |
| January 5, 2174 | 0.1318 AU (19.7 million km) | 16.7 km/s |
| September 1, 2179 | 0.1218 AU (18.2 million km) | 11.4 km/s |
| January 23, 2199 | 0.1659 AU (24.8 million km) | 12.9 km/s |
| August 3, 2200 | 1.8447 AU (276.0 million km) | 3.9 km/s |
Potentially Hazardous Asteroid
4183 Cuno (1959 LM) is classified as a Potentially Hazardous Asteroid (PHA) because it is estimated to be larger than 140 meters and its orbit comes within 0.05 AU of Earth. NASA continuously monitors this object for any future impact risk. Current data does not indicate a confirmed impact event.
Frequently Asked Questions
Is 4183 Cuno (1959 LM) dangerous?โพ
4183 Cuno (1959 LM) is classified as a potentially hazardous asteroid (PHA) by NASA. This means it is large enough and its orbit brings it close enough to Earth to warrant close monitoring. However, a PHA classification does not mean an impact is imminent.
How close will 4183 Cuno (1959 LM) come to Earth?โพ
The closest recorded Earth approach of 4183 Cuno (1959 LM) is 0.1907 AU (28.5 million km) on May 8, 1906, at a speed of approximately 12.5 km/s.
How big is 4183 Cuno (1959 LM)?โพ
4183 Cuno (1959 LM) has an estimated diameter of 6.27 km (3878โ8670 meters range). Its absolute magnitude (H) is 14.18, which NASA uses along with assumed albedo to estimate size.