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724 Hapag is a minor planet orbiting the Sun in the asteroid belt[3] that was found by Austrian astronomer Johann Palisa in 1911 and named after the German shipping company Hamburg America Line.[3] It was assigned a provisional name of 1911 NC, then became a lost asteroid until it was rediscovered in 1988 as 1988 VG2 by Tsutomu Hioki and N. Kawasato at Okutama, Japan.[4]
| Discovery [1] | |
|---|---|
| Discovered by | J. Palisa |
| Discovery site | Vienna Obs. |
| Discovery date | 21 October 1911 |
| Designations | |
| (724) Hapag | |
| 1911 NC, 1988 VG2 | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 104.39 yr (38129 d) |
| Aphelion | 3.0675 AU (458.89 Gm) |
| Perihelion | 1.8441 AU (275.87 Gm) |
| 2.4558 AU (367.38 Gm) | |
| Eccentricity | 0.24908 |
| 3.85 yr (1405.7 d) | |
| 73.788° | |
| 0° 15m 21.96s / day | |
| Inclination | 11.707° |
| 204.27° | |
| 205.50° | |
| Physical characteristics | |
| 3.1305 h (0.13044 d)[1][2] | |
| 13.9[1] | |
Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico in 2011 gave a light curve with a period of 3.1305 ± 0.0001 hours and a brightness variation of 0.11 ± 0.01 in magnitude.[2]
References
edit- ^ a b c d "JPL Small-Body Database Browser: 724 Hapag (1911 NC)" (2015-08-22 last obs). Retrieved 5 May 2016.
- ^ a b Pilcher, Frederick (April 2012), "Rotation Period Determinations for 31 Euphrosyne, 65 Cybele, 154 Bertha 177 Irma, 200 Dynamene, 724 Hapag, 880 Herba, and 1470 Carla", The Minor Planet Bulletin, vol. 39, no. 2, pp. 57–60, Bibcode:2012MPBu...39...57P.
- ^ a b Schmadel, Lutz D. (1997). Dictionary of Minor Planet Names. Springer Science+Business Media. p. 70.
- ^ Nakano, S.; et al. (1988), Green, D. W. E. (ed.), "(724) Hapag = 1988 VG2", IAU Circular, no. 4676, p. 1, Bibcode:1988IAUC.4676....1N.
External links
edit- 724 Hapag at AstDyS-2, Asteroids—Dynamic Site
- 724 Hapag at the JPL Small-Body Database
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