28 Bellona

**28 Bellona**
Discovery ^A

Discoverer	R. Luther
Discovery date	March 1, 1854
Alternate designations ^B	1951 CC₂
Category	Main belt
Orbital elements ^C
Epoch June 14, 2006 (JD 2453900.5)
Eccentricity (e)	0.148
Semi-major axis (a)	415.608 G m (2.778 AU)
Perihelion (q)	353.977 Gm (2.366 AU)
Aphelion (Q)	477.240 Gm (3.190 AU)
Orbital period (P)	1691.362 d (4.63 a)
Mean orbital speed	17.77 km/s
Inclination (i)	9.401°
Longitude of the ascending node (Ω)	144.503°
Argument of perihelion (ω)	342.548°
Mean anomaly (M)	353.997°
Physical characteristics ^D
Dimensions	120.9 km ^†
Mass	1.9×10¹⁸? kg
Density	2.0? g/cm³
Surface gravity	0.0338? m/s²
Escape velocity	0.0639? km/s
Rotation period	0.65396 d (15.695 h) ^[1]
Spectral class	S
Absolute magnitude	7.09
Albedo (geometric)	0.1763 ^[2]
Mean surface temperature	~163 K
This box: view • talk • edit

28 Bellona (be-loe'-nə (key), Latin Bellōna) is a large main belt asteroid.

Bellona was discovered by R. Luther on March 1, 1854. It is named after Bellona, the Roman goddess of war; the name was chosen to mark the beginning of the Crimean War.

[edit] Aspects

Stationary, retrograde	Opposition	Distance to Earth (AU)	Maximum brightness (mag)	Stationary, prograde	Conjunction to Sun
31 March 2005	13 October 2005	1.57501	10.6	26 November 2005	14 January 2006
7 August 2006	27 February 2007	1.61844	10.6	10 April 2007	31 May 2007
3 December 2007	16 May 2008	2.15638	11.5	10 July 2008	1 September 2008
11 February 2009	6 August 2009	1.98238	11.2	23 September 2009	15 November 2009
8 May 2010	2 December 2010	1.39214	10.0	15 January 2011	25 February 2011
29 September 2011	31 March 2012	1.87995	11.2	19 May 2012	12 July 2012
30 December 2012	13 June 2013	2.17823	11.4	6 August 2013	28 September 2013
10 March 2014	13 September 2014	1.75846	10.9	27 October 2014	18 December 2014
27 June 2015	27 January 2016	1.44739	10.1	7 March 2016	20 April 2016
8 November 2016	27 April 2017	2.07548	11.5	20 June 2017	13 August 2017
24 January 2018	13 July 2018	2.09867	11.3	2 September 2018	25 October 2018
10 April 2019	25 October 2019	1.51088	10.4	9 December 2019	25 January 2020
22 August 2020	9 March 2021	1.69212	10.8	22 April 2021	12 June 2021

This article about an S-type asteroid native to the Main Belt is a stub. You can help Wikipedia by expanding it.

Minor planets
Previous minor planet	28 Bellona	Next minor planet

v • d • e Small Solar System bodies
Vulcanoids \| Near-Earth asteroids \| Main belt \| Jupiter Trojans \| Centaurs \| Damocloids \| Comets \| Trans-Neptunians (Kuiper belt · Scattered disc · Oort cloud)
For other objects and regions, see: asteroid groups and families, binary asteroids, asteroid moons and the Solar system For a complete listing, see: List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.