4321 Zero
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| Discovery and designation | |
|---|---|
| Discovered by | Schelte J. Bus |
| Discovery site | Siding Spring Observatory |
| Discovery date | March 2, 1981 |
| Designations | |
| MPC designation | 4321 |
| Alternative names | 1981 EH26 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 3.9386103 |
| Perihelion | 2.1835337 |
| Eccentricity | 0.2866768 |
| Orbital period | 1956.1797266 |
| Mean anomaly | 163.75698 |
| Inclination | 2.40972 |
| Longitude of ascending node | 135.19206 |
| Argument of perihelion | 245.04424 |
| Physical characteristics | |
| Absolute magnitude (H) | 12.9 |
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4321 Zero (1981 EH26) is a main-belt asteroid discovered on March 2, 1981 by Schelte J. Bus at Siding Spring Observatory in the course of the U.K. Schmidt-Caltech Asteroid Survey. Named after Zero Mostel, but also a pun due to its number being like a countdown: four-three-two-one, and then "zero".
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