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Table 5
NEAs with existing precoveries for which a new reduction will be helpful (see text).
| Asteroid | Year of | Additional arc | Number of | Current σȧ | Expected σȧ | Expected σȧ | ȧ max / σ ȧ | |
| 1st precovery | precoveries | (1′′) | (300 mas) | |||||
| (years) | (10-4 au/My) | |||||||
|
|
||||||||
| 162421 | 2000ET70 | 1977 | 23.050 | 2 | 16.8 | 1.7 | 0.7 | 8.04 |
| 4179 | Toutatis | 1934 | 42.292 | 2 | 0.4 | 0.4 | 0.3 | 4.43 |
| 138175 | 2000EE104 | 1999 | 0.923 | 5 | 11.6 | 5.8 | 4.5 | 3.46 |
| 7350 | 1993VA | 1963 | 22.563 | 3 | 7.7 | 2.0 | 1.5 | 2.37 |
| 66400 | 1999LT7 | 1987 | 12.134 | 2 | 19.1 | 7.0 | 4.5 | 2.29 |
| 5797 | Bivoj | 1953 | 26.253 | 1 | 4.3 | 3.6 | 3.4 | 2.28 |
| 350751 | 2002AW | 1991 | 10.776 | 2 | 72.9 | 24.2 | 9.8 | 2.01 |
| 1999FA | 1978 | 19.855 | 1 | 127.7 | 10.3 | 9.7 | 1.96 | |
| 87024 | 2000JS66 | 1979 | 21.328 | 2 | 32.4 | 11.0 | 4.8 | 1.54 |
| 2004SV55 | 1983 | 20.997 | 5 | 576.5 | 4.7 | 3.9 | 1.31 | |
| 7341 | 1991VK | 1981 | 9.886 | 1 | 3.3 | 3.2 | 2.4 | 1.27 |
| 1943 | Anteros | 1968 | 4.767 | 2 | 1.9 | 1.9 | 1.7 | 1.05 |
| 5604 | 1992FE | 1976 | 8.983 | 2 | 10.0 | 5.5 | 3.5 | 1.01 |
| 4450 | Pan | 1937 | 50.631 | 2 | 10.8 | 4.7 | 3.7 | 1.01 |
Notes. The year of the first precovery, the additional extended arc, the number of available precoveries, and the current and expected drift uncertainty obtained for various precision of precoveries, are presented.
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