| Date | Miss Distance | Speed |
|---|---|---|
| December 23, 1912 | 0.0734 AU (11.0 million km) | 33.9 km/s |
| December 20, 1934 | 0.1788 AU (26.7 million km) | 35.0 km/s |
| April 27, 1941 | 0.0805 AU (12.0 million km) | 26.6 km/s |
| December 29, 1953 | 0.1017 AU (15.2 million km) | 32.9 km/s |
| June 30, 1954 | 0.0721 AU (10.8 million km) | 27.2 km/s |
| December 26, 1975 | 0.0468 AU (7.0 million km) | 33.6 km/s |
| December 21, 1997 | 0.1379 AU (20.6 million km) | 34.6 km/s |
| December 30, 2016 | 0.1375 AU (20.6 million km) | 32.8 km/s |
| December 27, 2038 | 0.0444 AU (6.6 million km) | 33.4 km/s |
| December 23, 2060 | 0.0991 AU (14.8 million km) | 34.3 km/s |
| May 3, 2067 | 0.0825 AU (12.3 million km) | 26.5 km/s |
| January 2, 2080 | 0.1799 AU (26.9 million km) | 32.6 km/s |
| July 5, 2080 | 0.0691 AU (10.3 million km) | 27.2 km/s |
| December 29, 2101 | 0.0704 AU (10.5 million km) | 33.2 km/s |
| December 27, 2123 | 0.0521 AU (7.8 million km) | 33.8 km/s |
| December 22, 2145 | 0.1579 AU (23.6 million km) | 34.9 km/s |
| December 31, 2164 | 0.1154 AU (17.3 million km) | 32.9 km/s |
| December 28, 2186 | 0.0370 AU (5.5 million km) | 33.6 km/s |
| May 9, 2193 | 0.0837 AU (12.5 million km) | 26.5 km/s |
2102 Tantalus (1975 YA) 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.
2102 Tantalus (1975 YA) 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.
The closest recorded Earth approach of 2102 Tantalus (1975 YA) is 0.0734 AU (11.0 million km) on December 23, 1912, at a speed of approximately 33.9 km/s.
2102 Tantalus (1975 YA) has an estimated diameter of 2.71 km (1677โ3750 meters range). Its absolute magnitude (H) is 16, which NASA uses along with assumed albedo to estimate size.