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Discovery and designation
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| Discovered by | A. Boattini and M. Tombelli |
| Discovery site | Cima Ekar |
| Discovery date | January 17, 1994 |
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Designations
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| MPC designation | 7957 |
| Alternate name(s) | 1994 BT |
| Epoch May 14, 2008 | |
| Ap | 3.0962077 |
| Peri | 2.4465907 |
| Eccentricity | 0.1172002 |
| Orbital period | 1685.1829261 |
| Mean anomaly | 52.34942 |
| Inclination | 9.03210 |
| Longitude of ascending node | 6.45437 |
| Argument of peri | 110.41078 |
| Absolute magnitude (H) | 13.5 |
7957 Antonella (1994 BT) is a main-belt asteroid discovered on January 17, 1994 by A. Boattini and M. Tombelli at Cima Ekar.
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