Astronomy:724 Hapag
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Short description: Minor planet orbiting the Sun
| 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) |
| |{{{apsis}}}|helion}} | 3.0675 astronomical unit|AU (458.89 Gm) |
| |{{{apsis}}}|helion}} | 1.8441 AU (275.87 Gm) |
| 2.4558 AU (367.38 Gm) | |
| Eccentricity | 0.24908 |
| Orbital period | 3.85 yr (1405.7 d) |
| Mean anomaly | 73.788° |
| Mean motion | 0° 15m 21.96s / day |
| Inclination | 11.707° |
| Longitude of ascending node | 204.27° |
| 205.50° | |
| Physical characteristics | |
| Rotation period | 3.1305 h (0.13044 d)[1][2] |
| Absolute magnitude (H) | 13.9[1] |
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]
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
- ↑ 1.0 1.1 1.2 1.3 "JPL Small-Body Database Browser: 724 Hapag (1911 NC)". https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=724.
- ↑ 2.0 2.1 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 39 (2): pp. 57–60, Bibcode: 2012MPBu...39...57P.
- ↑ 3.0 3.1 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 (4676): pp. 1, Bibcode: 1988IAUC.4676....1N.
External links
- 724 Hapag at AstDyS-2, Asteroids—Dynamic Site
- 724 Hapag at the JPL Small-Body Database
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