From Surf Wiki (app.surf) — the open knowledge base

2862 Vavilov

Main-belt asteroid

Field	Value
minorplanet	yes
name	2862 Vavilov
background	#D6D6D6
discovery_ref
discoverer	N. Chernykh
discovery_site	Crimean Astrophysical Obs.
discovered	15 May 1977
mpc_name	(2862) Vavilov
alt_names	1977 JP1931 DY

named_after	Nikolai Vavilov and
Sergey Ivanovich Vavilov
(Russian scientists)
mp_category	main-belt(inner)
Florabackground
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	86.60 yr (31,631 days)
aphelion	2.4532 AU
perihelion	1.9490 AU
semimajor	2.2011 AU
eccentricity	0.1145
period	3.27 yr (1,193 days)
mean_anomaly	194.09°
mean_motion	/ day
inclination	3.4849°
asc_node	225.83°
arg_peri	278.04°
dimensions	km
km
7.82 km (calculated)
km
rotation	h
albedo
0.24 (assumed)

spectral_type	S (assumed)
abs_magnitude	12.712.8013.11

Sergey Ivanovich Vavilov (Russian scientists) Florabackground km 7.82 km (calculated) km 0.24 (assumed)

2862 Vavilov, provisional designation , is a stony background asteroid and exceptionally slow rotator from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 15 May 1977, by Soviet astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula. The asteroid was named after Russian plant geneticist Nikolai Vavilov and his physicist brother Sergey Ivanovich Vavilov.

Orbit and classification

Vavilov is located in the dynamical region of the Flora family (402), a giant asteroid family and the largest family of stony asteroids in the main-belt. However, it is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements.

It orbits the Sun in the inner main-belt at a distance of 1.9–2.5 AU once every 3 years and 3 months (1,193 days). Its orbit has an eccentricity of 0.11 and an inclination of 3° with respect to the ecliptic.

The body's observation arc begins with its first identification as at Lowell Observatory in February 1931, more than 46 years prior to its official discovery observation at Nauchnij.

Physical characteristics

Vavilov is an assumed stony S-type asteroid, which is also the overall spectral type for members of the Flora family.

Rotation period

In February 2006, a rotational lightcurve of Vavilov was obtained from photometric observations by Petr Pravec at Ondřejov Observatory in the Czech Republic. Lightcurve analysis gave a rotation period of 800 hours with a brightness amplitude of at least 0.4 magnitude ()

With a period above 500 hours, Vavilov is one of only a few dozen slow rotators with such an extreme spin rate currently known to exists.

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Vavilov measures between 6.031 and 7.95 kilometers in diameter and its surface has an albedo between 0.21 and 0.404.

The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, the Flora family's parent body – and calculates a diameter of 7.82 kilometers based on an absolute magnitude of 12.7.

Naming

This minor planet was named in memory of Russian plant geneticist Nikolai Vavilov (1887–1943) and his physicist brother Sergey Ivanovich Vavilov (1891-1951). The official naming citation was published by the Minor Planet Center on 18 September 1986 (M.P.C. 11157). The lunar crater Vavilov was also named in their honor.

Notes

References

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

background-asteroids discoveries-by-nikolai-chernykh named-minor-planets slow-rotating-minor-planets astronomical-objects-discovered-in-1977

Want to explore this topic further?

Ask Mako anything about 2862 Vavilov — get instant answers, deeper analysis, and related topics.

Research with Mako

Free with your Surf account

Content sourced from Wikipedia, available under CC BY-SA 4.0.

This content may have been generated or modified by AI. CloudSurf Software LLC is not responsible for the accuracy, completeness, or reliability of AI-generated content. Always verify important information from primary sources.

Report