169 Zelia

Short description: Main-belt asteroid

169 ZeliaDiscovery

Discovered by| P. M. Henry, 1876
Discovery date| 28 September 1876
Designations

MPC designation

| (169) Zelia
Named after| Zélia

Alternative designations

| A876 SB; 1933 FC2
Minor planet category| Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc| 131.26 yr (47944 d)
|{{{apsis}}}|helion}}| 2.6662 astronomical unit|AU (398.86 Gm)
|{{{apsis}}}|helion}}| 2.0511 AU (306.84 Gm)

Semi-major axis

| 2.3586 AU (352.84 Gm)
Eccentricity| 0.13040
Orbital period| 3.62 yr (1323.1 d)
Mean anomaly| 249.62°
Mean motion| 0° 16m 19.524s / day
Inclination| 5.5001°
Longitude of ascending node| 354.77°

|{{{apsis}}}|helion}}

| 334.90°
Earth MOID| 1.04119 AU (155.760 Gm)
Jupiter MOID| 2.65309 AU (396.897 Gm)
TJupiter| 3.535
Physical characteristics
Mean radius| 16.80±1.3 km[1]
19.3 ± 0.45 km[2]
Rotation period| 14.537 h (0.6057 d)
Geometric albedo| 0.178 ± 0.035[2]
0.2347±0.041[1]

Spectral type

| O (Bus & Binzel)[2]
Absolute magnitude (H)| 9.56

Zelia (minor planet designation: 169 Zelia) is a main belt asteroid that was discovered by the brothers Paul Henry and Prosper Henry on September 28, 1876. Credit for this discovery was given to Prosper. [3] Initial orbital elements for this asteroid were published in 1877 by American astronomer H. A. Howe.[4]

Based upon its spectrum, this body is classified as a rare O-type asteroid in the taxonomic system of Bus & Binzel.[2] Photometric observations of this asteroid during 2009 gave a light curve with a period of 14.537 ± 0.001 hours and a brightness variation of 0.14 ± 0.03 in magnitude.[5]

## References

1. ↑ 1.0 1.1 1.2 Yeomans, Donald K., "169 Zelia", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=169, retrieved 6 May 2016.
2. ↑ 2.0 2.1 2.2 2.3 Mainzer, A. et al. (January 2012), "NEOWISE Studies of Asteroids with Sloan Photometry: Preliminary Results", The Astrophysical Journal 745 (1): 7, doi:10.1088/0004-637X/745/1/7, Bibcode: 2012ApJ...745....7M.
3. ↑ Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names (6th ed.), Springer, p. 28, ISBN 978-3642297182, https://books.google.com/books?id=aeAg1X7afOoC&pg=PA28.
4. ↑ Howe, H. A. (May 1877), "Elements of (169) Zelia", Astronomische Nachrichten 89 (18): 279, doi:10.1002/asna.18770891803, Bibcode: 1877AN.....89..279H, https://zenodo.org/record/1424699.
5. ↑ Stephens, Robert D.; Pilcher, Frederick (October 2009), "Photometric Observations of 169 Zelia", The Minor Planet Bulletin 36 (4): 161, Bibcode: 2009MPBu...36..161S.

## External links

* 169 Zelia at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 169 Zelia at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

* v
* t
* e

Small Solar System bodies

Minor planets|

* Designation
* Groups
* List
* Moon
* Meanings of names

Asteroid|

* Aten asteroid
* Asteroid belt
* Family
* Jupiter trojan
* Near-Earth
* Spectral types

Distant minor planet|

* Centaur
* Damocloid
* Neptune trojan
* Trans-Neptunian object
* Detached
* Kuiper belt
* Oort cloud
* Scattered disc

Comets|

* Extinct
* Great
* Halley-type
* Hyperbolic
* Long-period
* Lost
* Main-belt
* Near-parabolic
* Periodic
* Sungrazing

Other|

* Meteoroids

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/169 Zelia. Read more

|

Retrieved from "https://handwiki.org/wiki/index.php?title=Astronomy:169_Zelia&oldid=2618873"
*[v]: View this template
*[t]: Discuss this template
*[e]: Edit this template