1247 Memoria
| Discovery U–B = 0.290[1] | |
|---|---|
| 10.52[1] | |
1247 Memoria, provisional designation 1932 QA, is a dark Themistian
Uccle Observatory
in 1932, who later named it Memoria in memory of her pleasant stay at the discovering observatory.
Discovery
Memoria was discovered on 30 August 1932, by French astronomer
Orbit and classification
Memoria belongs to the
semi-major axis of 3.13 AU). Its orbit has an eccentricity of 0.17 and an inclination of 2° with respect to the ecliptic.[1]
The asteroid was first observed as A905 WA at Heidelberg Observatory in November 1905. The body's
Johannesburg Observatory in May 1931, or 15 months prior to its official discovery observation at Uccle.[8]
Physical characteristics
In the
spectral type is ambiguous, closest to a carbonaceous C-type, and somewhat similar to an X- and F-type asteroid (CXF).[1] The overall spectral type for members of the Themis family is that of a C-type.[9]
: 23
Rotation period
As of 2018, no rotational
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite
Naming
This
H 115).[3]
References
- ^ a b c d e f g h i "JPL Small-Body Database Browser: 1247 Memoria (1932 QA)" (2017-12-02 last obs.). Jet Propulsion Laboratory. Archived from the original on 18 September 2020. Retrieved 3 January 2018.
- ^ "memoria technica". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- ^ ISBN 978-3-540-00238-3.
- ^ a b "Asteroid 1247 Memoria – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
- ^ Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
- ^ .
- ^ . Retrieved 3 January 2018.
- ^ a b c "1247 Memoria (1932 QA)". Minor Planet Center. Retrieved 3 January 2018.
- ^ ISBN 9780816532131.
- ^ "LCDB Data for (1247) Memoria". Asteroid Lightcurve Database (LCDB). Retrieved 3 January 2018.
External links
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 1247 Memoria at AstDyS-2, Asteroids—Dynamic Site
- 1247 Memoria at the JPL Small-Body Database
