Asteroids with Satellites Database--Johnston's Archive
(38628)
Huya
compiled by Wm. Robert Johnston
last updated
22 February 2025
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:
TNO, plutino
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
39.20078 AU
| |
orbital period P: |
245.4428 yr (= 89647.97 d)
| |
eccentricity e: |
0.2722697
| |
perihelion distance q: |
28.527593 AU
| |
aphelion distance Q: |
49.87396 AU
| |
inclination i: |
15.4754989°
| |
argument of perihelion ω: |
67.70808°
| |
ascending node Ω: |
169.379614°
| |
mean anomaly M: |
14.29123°
| |
perihelion passage TP: |
2015 Jan 19.167
| |
Epoch: |
2024 Oct 17
| |
data arc: |
1996-2024
(894 obs.)
| |
Earth MOID: |
27.5503 AU
| |
Jupiter Tisserand invariant TJ: |
5.223
|
| Neptune Tisserand invariant TN: | 2.885 [*D] |
orbital data, secondary:
|
semimajor axis as: |
1898
± 22/21 km
[R25b]
| |
separation/primary radius as/rp: | 9.1 [*D] | |
separation/Hill radius as/rH: | 0.0023 [*D] | |
orbital period Ps: |
3.46293
± 0.00001
d [R25b]
| |
eccentricity es: |
0.036
± 0.017/0.015
[R25b]
| |
inclination is: | 65.8° ± 1.9° [R25b] | |
ascending node Ωs: | 122.9° ± 1.7/1.6° [R25b] | |
argument of pericenter ωs: | 101° ± 17/24° [R25b] | |
mean anomaly M: | 147° ± 23/17° [R25b] | |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
4.81
[MPC]
5.04 ± 0.03 [F13a]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
458
± 9.2/9.2
km [F13a]
| |
geometric albedo: |
0.083
± 0.004/0.004
[F13a]
| |
color index U-B: |
?
| |
color index B-V: |
0.95
[M12a]
| |
color index V-R: | 0.57 ± 0.09 [M12a] | |
color index B-R: | 1.54 ± 0.06 [M12a] | |
color index V-I: | 1.18 [M12a] | |
color index R-J: | 1.4 [*D] | |
color index V-J: | 1.97 ± 0.05 [M03c] | |
taxonomic type: |
?
| |
mass m: |
4.52x1019
± 1.6x1018/1.5x1018
kg [R25b]
| |
density ρ: |
1.073
± 0.066
g/cm3[R25b]
| |
Hill radius rH: |
840000 km [*D]
|
other data, primary:
|
diameter dp: |
415
km [*D]
| |
dimensions : | 436.1 x 436.1 x 375 km [R25b] | |
axial ratios a/b, b/c: | 1, 1.16 [*D] | |
rotation period RPp: |
6.725
h [R25b]
| |
amplitude in mag., rotational ΔM: |
0.02
± 0.01
[T14a]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
213
± 30
km [F13a]
| |
diameter ratio ds/dp: |
0.51
[*D]
| |
component mag. difference ΔM: |
1.37
[R25b]
| |
geometric albedo : | 0.15[] | |
rotation period RPs: |
?
| |
|
|
--
(38628) Huya
--discovery and notes:
Primary discovered
2000 Mar 10
from
Mérida, Venezuela
by
I. R. Ferrin.
Alternate designation(s):
2000 EB173
.
Linked to prediscovery observations from 1996 Apr 09.
Permanent number assigned 2002 Mar 28.
Named 2003 May 01 for the Wayuu mythological god of rain/winter [MPC048397].
Companion discovered
2012 May 06
by K. S. Noll, W. M. Grundy, H. Schlichting, R. Murray-Clay, and S. D. Benecchi
using
Hubble Space Telescope
observations from Hubble Space Telescope.
Announced
2012 Jul 12 [N12a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Fornasier, S., Lellouch, E., Müller, T., Santos-Sanz, P., Panuzzo, P., Kiss, C., Lim, T., Mommert, M., Bockelée-Morvan, D., Vilenius, E., Stansberry, J., Tozzi, G. P., Mottola, S., Delsanti, A., Crovisier, J., Duffard, R., Henry, F., Lacerda, P., Barucci, A., & Gicquel, A. 2013, Astronomy and Astrophysics TNOs are Cool: A survey of the trans-Neptunian region. VIII. Combined Herschel PACS and SPIRE observations of nine bright targets at 70-500 μm
- Noll, K. S., Grundy, W. M., Schlichting, H., Murray-Clay, R., & Benecchi, S. D. 2012, International Astronomical Union Circular (38628) Huya
- Fornasier, S., Lellouch, E., Mueller, T., Panuzzo, P., Santos-Sanz, P., Lim, T., Kiss, C., Vilenius, E., Stansberry, J., Delsanti, A., Henry, F., Boehnhardt, H., Pal, A., Duffard, R., & Barucci, A. 2012, EGU General Assembly Conference Abstracts 'TNOs are Cool: A survey of the trans-Neptunian region'. Results from the PACS and SPIRE observations with the Herschel Space Observatory
- Fornasier, S., Lim, T., Müller, T., Panuzzo, P., Santos-Sanz, P., Vilenius, E., Boenhardt, H., Stansberry, J., Delsanti, A., Henry, F., Kiss, C., Pal, A., Duffard, R., Barucci, A., & Dotto, E. 2011, EPSC-DPS Joint Meeting 2011 Sub-millimeter observations of Centaurs and TNOs from the Herschel space telescope
- Belskaya, Irina, Bagnulo, S., Barucci, A., Muinonen, K., Tozzi, G. P., Fornasier, S., & Kolokolova, L. 2008, Bulletin of the American Astronomical Society Polarimetric Properties of Transneptunian Objects and Centaurs
- Alvarez-Candal, A., Barucci, M. A., Merlin, F., Guilbert, A., & de Bergh, C. 2007, Astronomy and Astrophysics A search for rotational variations on trans-Neptunian objects
- Alvarez-Candal, Alvaro, Barucci, M. A., Merlin, F., Guibert, A., & de Bergh, C. 2007, Bulletin of the American Astronomical Society Near Infrared Observations Of TNOs With SINFONI
- Alvarez-Candal, A., Barucci, M. A., Merlin, F., Guibert, A., & de Bergh, C. 2007, European Planetary Science Congress 2007 Near infrared observations of TNOs with SINFONI
- Stansberry, J. A., Cruikshank, D. P., Grundy, W. G., Margot, J. L., Emery, J. P., Fernandez, Y. R., & Rieke, G. H. 2005, Bulletin of the American Astronomical Society Albedos, Diameters (and a Density) of Kuiper Belt and Centaur Objects
- Fornasier, S., Doressoundiram, A., Tozzi, G. P., Barucci, M. A., Boehnhardt, H., de Bergh, C., Delsanti, A., Davies, J., & Dotto, E. 2004, Astronomy and Astrophysics ESO Large Program on physical studies of Trans-Neptunian objects and Centaurs: Final results of the visible spectrophotometric observations
- de Bergh, C., Boehnhardt, H., Barucci, M. A., Lazzarin, M., Fornasier, S., Romon-Martin, J., Tozzi, G. P., Doressoundiram, A., & Dotto, E. 2004, Astronomy and Astrophysics Aqueous altered silicates at the surface of two Plutinos?
- de Bergh, C., Barucci, A., Doressoundiram, A., & Dotto, E. 2004, 35th COSPAR Scientific Assembly Spectroscopy of Kuiper Belt Objects and Centaurs
- Ortiz, J. L., Gutiérrez, P. J., Casanova, V., & Sota, A. 2003, Astronomy and Astrophysics A study of short term rotational variability in TNOs and Centaurs from Sierra Nevada Observatory
- Boehnhardt, Hermann, Barucci, Antonella, Delsanti, Audrey, De Bergh, Catherine, Doressoundiram, Alain, Romon, Jennifer, Dotto, Elisabetta, Tozzi, Gianpaolo, Lazzarin, Monica, Fornasier, Sonia, Peixinho, Nuno, Hainaut, Olivier, Davies, John, Rousselot, Philippe, Barrera, Luis, Birkle, Kurt, Meech, Karen, Ortiz, JoseLuis, Sekiguchi, Tomohiko, Watanabe, Jun-ichi, Thomas, Nick, & West, Richard 2003, Earth Moon and Planets Results from the Eso Large Program on Transneptunian Objects and Centaurs
- Rabinowitz, D., Schaefer, B., & Tourtellotte, S. 2003, Bulletin of the American Astronomical Society Solar Phase Curves for Kuiper-Belt Objects
- Licandro, J., Campins, H., de Leon Cruz, J., Gil-Hutton, R., & Lara-Lopez, L. M. 2003, Bulletin of the American Astronomical Society Near infrared spectroscopy of TNOs, Centaurs and comet nuclei.
- Schaefer, Bradley E. & Rabinowitz, David L. 2002, Icarus Photometric Light Curve for the Kuiper Belt Object 2000 EB <SUB>173</SUB> on 78 Nights
- Barucci, M. A., Boehnhardt, H., Dotto, E., Lazzarin, M., Romon, J., de Bergh, C., Doressoundiram, A., Tozzi, G. P., Fornasier, S., Davies, J., Peixinho, N., Barrera, L., Birkle, K., Delsanti, A., Hainaut, O., Meech, K., Ortiz, J. L., Sekiguchi, T., Thomas, N., Watanabe, J., & West, R. M. 2002, Bulletin of the American Astronomical Society ESO Large Program: Results from Visible and Infrared spectroscopy of Centaurs and TNOs.
- Lederer, S. M. & Vilas, F. 2002, Bulletin of the American Astronomical Society Spectrophotometry of Kuiper Belt Objects and Centaurs
- Rabinowitz, D. & Schaefer, B. 2001, Bulletin of the American Astronomical Society The solar phase curve for the bright Plutino 2000 EB173
- Jewitt, David C. & Luu, Jane X. 2001, The Astronomical Journal Colors and Spectra of Kuiper Belt Objects
- Licandro, J., Oliva, E., & Di Martino, M. 2001, Astronomy and Astrophysics NICS-TNG infrared spectroscopy of trans-neptunian objects 2000 EB173 and 2000 WR106
- Ferrin, Ignacio, Rabinowitz, D., Schaefer, B., Snyder, J., Ellman, N., Vicente, B., Rengstorf, A., Depoy, D., Salim, S., Andrews, P., Bailyn, C., Baltay, C., Briceno, C., Coppi, P., Deng, M., Emmet, W., Oemler, A., Sabbey, C., Shin, J., Sofia, S., van Altena, W., Vivas, K., Abad, C., Bongiovanni, A., Bruzual, G., Della Prugna, F., Herrera, D., Magris, G., Mateu, J., Pacheco, R., Sánchez, Ge., Sánchez, Gu., Schenner, H., Stock, J., Vieira, K., Fuenmayor, F., Hernandez, J., Naranjo, O., Rosenzweig, P., Secco, C., Spavieri, G., Gebhard, M., Honeycutt, K., Mufson, S., Musser, J., Pravdo, S., Helin, E., & Lawrence, K. 2001, The Astrophysical Journal Discovery of the Bright Trans-Neptunian Object 2000 EB<SUB>173</SUB>
- Brown, Michael E., Blake, Geoffrey A., & Kessler, Jacqueline E. 2000, The Astrophysical Journal Near-Infrared Spectroscopy of the Bright Kuiper Belt Object 2000 EB173
- Brown, M. E. 2000, Bulletin of the American Astronomical Society Near-infrared spectroscopy of Kuiper belt objects
- Jewitt, D., Luu, J., & Trujillo, C. 2000, Bulletin of the American Astronomical Society Colors of Kuiper Belt Objects from Keck and Subaru
©
2012-2014, 2025
by Wm. Robert Johnston.
Last modified
22 February 2025.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.