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1067 Lunaria - Wikipedia

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1067 Lunaria
Discovery^[1]
Discovered by	K. Reinmuth
Discovery site	Heidelberg Obs.
Discovery date	9 September 1926
Designations
MPC designation	(1067) Lunaria
Pronunciation	/luːˈnɛəriə/^[2]
Named after	Lunaria (flowering plant)^[3]
Alternative designations	1926 RG · 1974 PJ 1974 QC₃
Minor planet category	main-belt · (outer)^[4] Itha^[5]
Orbital characteristics^[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc	90.74 yr (33,142 days)
Aphelion	3.4206 AU
Perihelion	2.3207 AU
Semi-major axis	2.8706 AU
Eccentricity	0.1916
Orbital period (sidereal)	4.86 yr (1,777 days)
Mean anomaly	222.90°
Mean motion	0° 12^m 9.36^s / day
Inclination	10.547°
Longitude of ascending node	289.59°
Argument of perihelion	115.03°
Physical characteristics
Dimensions	15.43±0.73 km^[6] 18.02±1.33 km^[7] 18.07 km (derived)^[4] 20.011±0.100 km^[8] 22.968±0.243 km^[9]
Synodic rotation period	6.057±0.001 h^[10] 7.74 h^[11]
Geometric albedo	0.1240±0.0225^[9] 0.185±0.012^[8] 0.20 (assumed)^[4] 0.221±0.034^[7] 0.298±0.057^[6]
Spectral type	L/S^[12] · S^[4]
Absolute magnitude (H)	10.85±0.31^[12] · 10.99^[1]^[6]^[7] · 11.08^[4]^[9]^[11]

1067 Lunaria, provisional designation 1926 RG, is a stony Itha asteroid from the outer regions of the asteroid belt, approximately 18 kilometers in diameter. It was discovered on 9 September 1926, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany.^[13] The asteroid was named after the flowering plant Lunaria (honesty).^[3]

Orbit and classification

Lunaria is a member of the Itha family,^[5] a very small family of asteroids, named after its parent body 918 Itha.^[14]^: 23

It orbits the Sun in the outer asteroid belt at a distance of 2.3–3.4 AU once every 4 years and 10 months (1,777 days; semi-major axis of 2.87 AU). Its orbit has an eccentricity of 0.19 and an inclination of 11° with respect to the ecliptic.^[1] The body's observation arc begins at Heidelberg in October 1926, one month after its official discovery observation.^[13]

Physical characteristics

Lunaria has been characterized as both L- and S-type asteroid by Pan-STARRS photometric survey.^[12] The overall spectral type for the Itha family is that of a stony S-type.^[14]^: 23

Rotation period

In July 1984, a first rotational lightcurve of Lunaria was obtained by American astronomer Richard Binzel. Lightcurve analysis gave a rotation period of 7.74 hours with a brightness variation of 0.13 magnitude (U=2).^[11] In September 2004, Donald Pray at the Carbuncle Hill Observatory (I00) derived a refined period of 6.057 hours with an amplitude of 0.27 magnitude from photometric observations (U=3).^[10]

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, Lunaria measures between 15.43 and 22.968 kilometers in diameter and its surface has an albedo between 0.1240 and 0.298.^[6]^[7]^[8]^[9]

The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and derives a diameter of 18.07 kilometers based on an absolute magnitude of 11.08.^[4]

Naming

This minor planet was named after Lunaria (commonly known as "honesty"), a flowering plant in the mustard family. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 101).^[3]

Reinmuth's flowers

Due to his many discoveries, Karl Reinmuth submitted a large list of 66 newly named asteroids in the early 1930s. The list covered his discoveries with numbers between (1009) and (1200). This list also contained a sequence of 28 asteroids, starting with 1054 Forsytia, that were exclusively named after plants, in particular flowering plants (also see list of minor planets named after animals and plants).^[15]

References

^ ^a ^b ^c ^d "JPL Small-Body Database Browser: 1067 Lunaria (1926 RG)" (2017-06-05 last obs.). Jet Propulsion Laboratory. Retrieved 7 December 2017.
^ "lunarian". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
^ ^a ^b ^c Schmadel, Lutz D. (2007). "(1067) Lunaria". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 91. doi:10.1007/978-3-540-29925-7_1068. ISBN 978-3-540-00238-3.
^ ^a ^b ^c ^d ^e ^f "LCDB Data for (1067) Lunaria". Asteroid Lightcurve Database (LCDB). Retrieved 7 December 2017.
^ ^a ^b "Asteroid 1067 Lunaria – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
^ ^a ^b ^c ^d Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 7 December 2017.
^ ^a ^b ^c ^d Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153)
^ ^a ^b ^c Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv:1406.6645. Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121.
^ ^a ^b ^c ^d Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv:1109.6407. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90.
^ ^a ^b Pray, Donald P. (March 2005). "Lightcurve analysis of asteroids 276, 539, 1014, 1067, 3693 and 4774". The Minor Planet Bulletin. 32 (1): 8–9. Bibcode:2005MPBu...32....8P. ISSN 1052-8091. Retrieved 7 December 2017.
^ ^a ^b ^c Binzel, R. P. (October 1987). "A photoelectric survey of 130 asteroids". Icarus. 72 (1): 135–208. Bibcode:1987Icar...72..135B. doi:10.1016/0019-1035(87)90125-4. ISSN 0019-1035. Retrieved 7 December 2017.
^ ^a ^b ^c Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. Retrieved 7 December 2017.
^ ^a ^b "1067 Lunaria (1926 RG)". Minor Planet Center. Retrieved 7 December 2017.
^ ^a ^b Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. arXiv:1502.01628. Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN 9780816532131.
^ Schmadel, Lutz D. (2007). "(1054) Forsytia". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 90. doi:10.1007/978-3-540-29925-7_1055. ISBN 978-3-540-00238-3.

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
1067 Lunaria at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
1067 Lunaria at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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