17163 Vasifedoseev

17163 VasifedoseevDiscovery[1]

Discovered by| LINEAR
Discovery site| Lincoln Lab's ETS
Discovery date| 9 June 1999
Designations

MPC designation

| (17163) Vasifedoseev

Named after

| Vasiliy Fedoseev
(2003 ISEF awardee)[2]

Alternative designations

| 1999 LT19 * 1990 QY10
1994 LC4 * 1995 SY12
1998 FE39 * 1998 FN140

Minor planet category

| main-belt * Koronis[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc| 26.62 yr (9,723 days)
Aphelion| 3.1357 AU
Perihelion| 2.6708 AU

Semi-major axis

| 2.9032 AU
Eccentricity| 0.0801

Orbital period (sidereal)

| 4.95 yr (1,807 days)

Mean anomaly

| 163.48°

Mean motion

| 0° 11m 57.12s / day
Inclination| 1.3220°

Longitude of ascending node

| 343.23°

Argument of perihelion

| 2.8711°
Physical characteristics
Dimensions| 3.67 km (calculated)[3]
4.863±0.268 km[4][5]

Synodic rotation period

| 4.1124±0.0006 h[6]

Geometric albedo

| 0.171±0.045[4][5]
0.24 (assumed)[3]

Spectral type

| S[3][7]

Absolute magnitude (H)

| 14.0[1] * 14.1[4] * 14.26±0.29[7] * 14.34[3] * 13.891±0.003 (R)[6]

17163 Vasifedoseev (provisional designation 1999 LT19) is a stony Koronian asteroid from the outer region of the asteroid belt, approximately 4 kilometers in diameter.

The asteroid was discovered on 9 June 1999, by the Lincoln Near-Earth Asteroid Research team at Lincoln Laboratory's ETS in Socorro, New Mexico, United States.[8] It was named for Vasiliy Fedoseev, an awardee of the ISEF contest in 2003.[2]

## Orbit and classification

[edit]

Vasifedoseev is a member of the Koronis family, a family of stony asteroids in the outer main-belt. It orbits the Sun at a distance of 2.7–3.1 AU once every 4 years and 11 months (1,807 days). Its orbit has an eccentricity of 0.08 and an inclination of 1° with respect to the ecliptic.[1] The first precovery was obtained at ESO's La Silla Observatory in 1990, extending the asteroid's observation arc by 9 years prior to its discovery.[8]

## Physical characteristics

[edit]

### Rotation period

[edit]

A rotational lightcurve of Vasifedoseev was obtained from photometric observations by the wide-field survey at the Palomar Transient Factory in September 2010. Lightcurve analysis gave a rotation period of 4.1124 hours with a brightness variation of 0.23 magnitude (U=2).[6]

### Diameter and albedo

[edit]

According to the survey carried out by the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer, Vasifedoseev measures 4.9 kilometers in diameter and its surface has an albedo of 0.17,[4][5] while the Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 and calculates a diameter of 3.7 kilometers with an absolute magnitude of 14.34.[3]

## Naming

[edit]

This minor planet was named after Russian Vasiliy G. Fedoseev (born 1986) an awardee of the Intel International Science and Engineering Fair (ISEF) in 2003. At the time, he attended the Lyceum of Information Technologies Moscow, Russia.[2] The official naming citation was published by the Minor Planet Center on 14 June 2004 (M.P.C. 52172).[9]

## References

[edit]

1. ^ a b c d "JPL Small-Body Database Browser: 17163 Vasifedoseev (1999 LT19)" (2017-03-30 last obs.). Jet Propulsion Laboratory. Retrieved 26 June 2017.
2. ^ a b c Schmadel, Lutz D. (2006). "(17163) Vasifedoseev [2.90, 0.08, 1.3]". Dictionary of Minor Planet Names – (17163) Vasifedoseev, Addendum to Fifth Edition: 2003–2005. Springer Berlin Heidelberg. p. 107\. doi:10.1007/978-3-540-34361-5_1132. ISBN 978-3-540-34360-8.
3. ^ a b c d e f "LCDB Data for (17163) Vasifedoseev". Asteroid Lightcurve Database (LCDB). Retrieved 17 May 2016.
4. ^ 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. Retrieved 17 May 2016.
5. ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. Retrieved 3 December 2016.
6. ^ a b c Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv:1504.04041. Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75. Retrieved 17 May 2016.
7. ^ a b 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 17 May 2016.
8. ^ a b "17163 Vasifedoseev (1999 LT19)". Minor Planet Center. Retrieved 25 January 2016.
9. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 17 May 2016.

## External links

[edit]

* 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 (15001)-(20000) – Minor Planet Center
* 17163 Vasifedoseev at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 17163 Vasifedoseev at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit viewer * Orbit parameters * Physical parameters

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