653 Berenike

653 BerenikeDiscovery [1]

Discovered by| Joel Hastings Metcalf
Discovery site| Taunton, Massachusetts
Discovery date| 27 November 1907
Designations

MPC designation

| (653) Berenike
Pronunciation| /bɛrɪˈnaɪkiː/[3]
Named after| Berenice II

Alternative designations

| 1907 BK
Minor planet category| Main belt [2]
Orbital characteristics [2][4]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc| 108.38 yr (39584 d)
|{{{apsis}}}|helion}}| 3.1360 astronomical unit|AU (469.14 Gm)
|{{{apsis}}}|helion}}| 2.8961 AU (433.25 Gm)

Semi-major axis

| 3.01609 AU (451.201 Gm)
Eccentricity| 0.039773
Orbital period| 5.24 yr (1913.2 d)
Mean anomaly| 156.090°
Mean motion| 0° 11m 17.376s / day
Inclination| 11.290°
Longitude of ascending node| 132.867°

|{{{apsis}}}|helion}}

| 55.838°
Physical characteristics
Dimensions| 39.22 ± 2.4 km (24.37 ± 1.49 mi)
Mean diameter [5]
Mean radius| 19.61±1.2 km
Rotation period|

* 12.4886±0.0007 h [6]
* 12.4886 h (0.52036 d) [2]

Geometric albedo| 0.2444±0.034 [2][5]
Absolute magnitude (H)|

* 9.18[7]
* 9.2 [2]

653 Berenike is a main-belt asteroid discovered on 27 November 1907 by Joel Hastings Metcalf at Taunton, Massachusetts.[1] It is named after Berenice II of Egypt, after whom the constellation Coma Berenices is also named. The name may have been inspired by the asteroid's provisional designation 1907 BK.

Berenike is a member of the dynamic Eos family of asteroids that most likely formed as the result of a collisional breakup of a parent body.[8]

## References

1. ↑ 1.0 1.1 "Discovery Circumstances: Numbered Minor Planets (1)–(5000)". IAU: Minor Planet Center. http://www.cfa.harvard.edu/iau/lists/NumberedMPs000001.html.
2. ↑ 2.0 2.1 2.2 2.3 2.4 "653 Berenike (1907 BK)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=653;cad=1.
3. ↑ 'Berenice' in Noah Webster (1884) A Practical Dictionary of the English Language
4. ↑ "(653) Berenike". AstDyS. Italy: University of Pisa. https://newton.spacedys.com/astdys/index.php?pc=1.1.0&n=653.
5. ↑ 5.0 5.1 Tedesco (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. http://www.psi.edu/pds/resource/imps.html.
6. ↑ Galád (2008). "A Collection of Lightcurves from Modra: 2007 December- 2008 June". The Minor Planet Bulletin 35 (4): 144–146. Bibcode: 2008MPBu...35..144G.
7. ↑ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0.. Planetary Data System. http://www.psi.edu/pds/resource/astermag.html.
8. ↑ Veeder, G. J. et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry", Icarus 114: pp. 186–196, doi:10.1006/icar.1995.1053, Bibcode: 1995Icar..114..186V, https://trs.jpl.nasa.gov/bitstream/2014/29296/1/95-0212.pdf.

## External links

* 653 Berenike at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 653 Berenike at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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