4828 Misenus
Discovery [1] | |
---|---|
Discovered by | C. Shoemaker |
Discovery site | Palomar Obs. |
Discovery date | 11 September 1988 |
Designations | |
MPC designation | (4828) Misenus |
Pronunciation |
/maɪˈsiːnəs/ mye-SEE-nəs |
Named after |
Misenus [1] (Greek mythology) |
1988 RV | |
Jupiter trojan [1][2] Trojan [3] · background [4] | |
Orbital characteristics [2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 29.77 yr (10,873 d) |
Aphelion | 5.3854 AU |
Perihelion | 4.9450 AU |
5.1652 AU | |
Eccentricity | 0.0426 |
11.74 yr (4,288 d) | |
35.011° | |
0° 5m 2.4s / day | |
Inclination | 14.902° |
352.99° | |
130.05° | |
Jupiter MOID | 0.3366 AU |
TJupiter | 2.9310 |
Physical characteristics | |
Mean diameter |
±2.53 km 43.22[5] ±0.34 km 45.95[6] |
±0.016 h 12.873[7] | |
±0.010 0.063[6] ±0.012 0.098[5] | |
C (assumed)[8] B–V = ±0.060 0.670[9] V–R = ±0.040 0.410[9] V–I = ±0.055 0.920[8] | |
10.00[5] 10.3[6] 10.4[2][8] | |
|
4828 Misenus (/maɪˈsiːnəs/ mye-SEE-nəs), provisional designation 1988 RV, is a larger Jupiter trojan from the Trojan camp, approximately 46 kilometers (29 miles) in diameter. It was discovered on 11 September 1988, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California.[1] The dark Jovian asteroid has a rotation period of 12.9 hours.[8] It was named after Aeneas' trumpeter, Misenus, from Greek mythology.[1]
Orbit and classification
Misenus is a dark Jovian asteroid in a 1:1 orbital resonance with Jupiter. It is located in the trailering Trojan camp at the Gas Giant's L5 Lagrangian point, 60° behind on its orbit .[3] It is also a non-family asteroid of the Jovian background population.[4]
It orbits the Sun at a distance of 4.9–5.4 AU once every 11 years and 9 months (4,288 days; semi-major axis of 5.17 AU). Its orbit has an eccentricity of 0.04 and an inclination of 15° with respect to the ecliptic.[2] The body's observation arc begins with its first observation at Palomar in August 1988, just one month prior to its official discovery observation.[1]
Physical characteristics
Misenus is an assumed, carbonaceous C-type asteroid. It has a V–I color index of 0.92, typical for most D-type asteroids.[8]
Rotation period
In April 1995, a rotational lightcurve of Misenus was obtained from photometric observations over three nights by Italian astronomer Stefano Mottola using the Bochum 0.61-metre Telescope at ESO's La Silla Observatory in Chile. Lightcurve analysis gave a well-defined rotation period of ±0.016 hours with a brightness amplitude of 0.33 12.873magnitude (U=3).[8][7]
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, Misenus measures 43.22 and 45.95 kilometers in diameter and its surface has an albedo of 0.098 and 0.063, respectively.[5][6] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for a carbonaceous asteroid of 0.057 and calculates a diameter of 46.30 kilometers based on an absolute magnitude of 10.4.[8]
|
|
Naming
This minor planet was named by the discoverer from Greek mythology after the Trojan Misenus, who was Aeneas' herald and trumpeter. He was drowned by Triton for challenging the gods to a musical contest by blowing on a conch shell.[1] The official naming citation was published by the Minor Planet Center on 25 August 1991 (M.P.C. 18647).[10]
References
- 1 2 3 4 5 6 7 "4828 Misenus (1988 RV)". Minor Planet Center. Retrieved 21 June 2018.
- 1 2 3 4 "JPL Small-Body Database Browser: 4828 Misenus (1988 RV)" (2018-05-24 last obs.). Jet Propulsion Laboratory. Retrieved 21 June 2018.
- 1 2 "List of Jupiter Trojans". Minor Planet Center. 1 June 2018. Retrieved 21 June 2018.
- 1 2 "Asteroid (4828) Misenus – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 21 June 2018.
- 1 2 3 4 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. Retrieved 21 June 2018. (online, AcuA catalog p. 153)
- 1 2 3 4 Grav, T.; Mainzer, A. K.; Bauer, J. M.; Masiero, J. R.; Nugent, C. R. (November 2012). "WISE/NEOWISE Observations of the Jovian Trojan Population: Taxonomy". The Astrophysical Journal. 759 (1): 10. arXiv:1209.1549. Bibcode:2012ApJ...759...49G. doi:10.1088/0004-637X/759/1/49. Retrieved 21 June 2018. (online catalog)
- 1 2 Mottola, Stefano; Di Martino, Mario; Erikson, Anders; Gonano-Beurer, Maria; Carbognani, Albino; Carsenty, Uri; et al. (May 2011). "Rotational Properties of Jupiter Trojans. I. Light Curves of 80 Objects". The Astronomical Journal. 141 (5): 32. Bibcode:2011AJ....141..170M. doi:10.1088/0004-6256/141/5/170. Retrieved 21 June 2018.
- 1 2 3 4 5 6 7 "LCDB Data for (4828) Misenus". Asteroid Lightcurve Database (LCDB). Retrieved 21 June 2018.
- 1 2 Chatelain, Joseph P.; Henry, Todd J.; French, Linda M.; Winters, Jennifer G.; Trilling, David E. (June 2016). "Photometric colors of the brightest members of the Jupiter L5 Trojan cloud". Icarus. 271: 158–169. Bibcode:2016Icar..271..158C. doi:10.1016/j.icarus.2016.01.026. Retrieved 21 June 2016.
- ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 21 June 2018.
External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Asteroid 4828 Misenus at the Small Bodies Data Ferret
- 4828 Misenus at AstDyS-2, Asteroids—Dynamic Site
- 4828 Misenus at the JPL Small-Body Database