| Identity |
| Name: | Alnitak, zeta Orionis |
| Hipparcos catalog ID: | 26727 |
| Other star catalog entries: | HD 37742
SAO 132444
BD B-02 1338
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| Appearance |
| Visual magnitude: | 1.74 (source: Hipparcos) |
| Spectral type: | O9.5Ib SB |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 5h 40m 45.52480s (+/-0.00003s) |
| Declination | -1° 56' 33.2827" (+/-0.0003") |
| Parallax: | 4.43 (+/-0.64) mas |
| Derived distance: | 736 light-years |
| Proper motion in R.A.: | 3.19 (+/-0.59) mas/year |
| Proper motion in declination: | 2.03 (+/-0.26) mas/year |
| Constellation: | Orion | |