Close Approach Data
| Date | Miss Distance | Speed |
|---|---|---|
| January 29, 1900 | 0.0208 AU (3.1 million km) | 5.5 km/s |
| November 9, 1910 | 0.3921 AU (58.7 million km) | 18.2 km/s |
| February 20, 1920 | 0.0398 AU (6.0 million km) | 7.4 km/s |
| November 28, 1930 | 0.1010 AU (15.1 million km) | 9.2 km/s |
| December 26, 1937 | 0.0785 AU (11.7 million km) | 9.8 km/s |
| March 21, 1940 | 0.4500 AU (67.3 million km) | 19.9 km/s |
| November 4, 1941 | 0.4850 AU (72.6 million km) | 21.0 km/s |
| February 24, 1951 | 0.0649 AU (9.7 million km) | 8.2 km/s |
| December 10, 1961 | 0.0279 AU (4.2 million km) | 6.7 km/s |
| March 22, 1971 | 0.4317 AU (64.6 million km) | 19.3 km/s |
| August 6, 1980 | 0.0619 AU (9.3 million km) | 11.5 km/s |
| January 23, 1982 | 0.0277 AU (4.1 million km) | 5.4 km/s |
| November 5, 1992 | 0.4594 AU (68.7 million km) | 20.2 km/s |
| April 14, 1996 | 0.0755 AU (11.3 million km) | 11.6 km/s |
| January 22, 2002 | 0.0290 AU (4.3 million km) | 5.4 km/s |
| March 22, 2011 | 0.4450 AU (66.6 million km) | 19.7 km/s |
| December 11, 2021 | 0.0263 AU (3.9 million km) | 6.6 km/s |
| March 2, 2031 | 0.1151 AU (17.2 million km) | 9.8 km/s |
| April 5, 2033 | 0.0548 AU (8.2 million km) | 11.3 km/s |
| March 24, 2040 | 0.4824 AU (72.2 million km) | 20.8 km/s |
| January 26, 2047 | 0.0601 AU (9.0 million km) | 10.9 km/s |
| November 25, 2050 | 0.1549 AU (23.2 million km) | 10.9 km/s |
| March 24, 2051 | 0.3802 AU (56.9 million km) | 2.4 km/s |
| February 14, 2060 | 0.0080 AU (1.2 million km) | 6.3 km/s |
| February 14, 2060 | 0.0067 AU (999,139 km) | 5.5 km/s |
| February 4, 2071 | 0.0149 AU (2.2 million km) | 5.7 km/s |
| November 25, 2081 | 0.1609 AU (24.1 million km) | 11.2 km/s |
| March 25, 2082 | 0.3847 AU (57.5 million km) | 2.5 km/s |
| September 5, 2089 | 0.0389 AU (5.8 million km) | 10.5 km/s |
| March 22, 2091 | 0.4186 AU (62.6 million km) | 19.0 km/s |
| February 27, 2102 | 0.0731 AU (10.9 million km) | 8.4 km/s |
| December 23, 2112 | 0.0178 AU (2.7 million km) | 5.8 km/s |
| November 27, 2123 | 0.1557 AU (23.3 million km) | 11.0 km/s |
| March 23, 2124 | 0.3801 AU (56.9 million km) | 2.1 km/s |
| November 13, 2134 | 0.3806 AU (56.9 million km) | 17.8 km/s |
| October 18, 2143 | 0.4847 AU (72.5 million km) | 5.6 km/s |
| March 16, 2144 | 0.2997 AU (44.8 million km) | 15.4 km/s |
| August 18, 2153 | 0.0534 AU (8.0 million km) | 10.1 km/s |
| February 28, 2155 | 0.0830 AU (12.4 million km) | 8.7 km/s |
| February 3, 2166 | 0.0184 AU (2.7 million km) | 5.6 km/s |
| March 21, 2171 | 0.0702 AU (10.5 million km) | 10.0 km/s |
| November 25, 2176 | 0.1700 AU (25.4 million km) | 11.4 km/s |
| March 28, 2177 | 0.3918 AU (58.6 million km) | 2.9 km/s |
| March 22, 2186 | 0.4049 AU (60.6 million km) | 18.6 km/s |
| February 26, 2197 | 0.0631 AU (9.4 million km) | 8.1 km/s |
Potentially Hazardous Asteroid
4660 Nereus (1982 DB) 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 4660 Nereus (1982 DB) dangerous?โพ
4660 Nereus (1982 DB) 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 4660 Nereus (1982 DB) come to Earth?โพ
The closest recorded Earth approach of 4660 Nereus (1982 DB) is 0.0208 AU (3.1 million km) on January 29, 1900, at a speed of approximately 5.5 km/s.
How big is 4660 Nereus (1982 DB)?โพ
4660 Nereus (1982 DB) has an estimated diameter of 0.765 km (473โ1057 meters range). Its absolute magnitude (H) is 18.75, which NASA uses along with assumed albedo to estimate size.