(24952) 1997 QJ4

(24952) 1997 QJ₄
Discovery
Discovered by	Jane X. Luu, Chad Trujillo, David C. Jewitt, and K. Berney
Discovery date	28 August 1997
Designations
MPC designation	(24952) 1997 QJ₄
Minor planet category	plutino (TNO)
Orbital characteristics^[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	4048 days (11.08 yr)
Aphelion	48.082 AU (7.1930 Tm)
Perihelion	30.421 AU (4.5509 Tm)
Semi-major axis	39.252 AU (5.8720 Tm)
Eccentricity	0.22497
Orbital period (sidereal)	245.92 yr (89822.9 d)
Mean anomaly	337.14°
Mean motion	0° 0^m 14.428^s / day
Inclination	16.590°
Longitude of ascending node	346.92°
Argument of perihelion	82.613°
Earth MOID	29.4765 AU (4.40962 Tm)
Jupiter MOID	25.6287 AU (3.83400 Tm)
Physical characteristics
Dimensions	139 km
Geometric albedo	0.09 (assumed)
Absolute magnitude (H)	7.6

(24952) 1997 QJ₄ (provisional designation 1997 QJ₄) is a plutino and as such, it is trapped in a 2:3 mean-motion resonance with Neptune. It was discovered on 28 August 1997, by Jane X. Luu, Chad Trujillo, David C. Jewitt and K. Berney. This object has a perihelion (closest approach to the Sun) at 30.463 AU and an aphelion (farthest approach from the Sun) at 48.038 AU, so it moves in a relatively eccentric orbit (0.224). It has an estimated diameter of 139 km; therefore, it is unlikely to be classified as a dwarf planet.^[2]

References

^ "JPL Small-Body Database Browser: 24952 (1997 QJ4)". NASA/Jet Propulsion Laboratory. Retrieved 5 April 2016.
^ JPL Small-Body Database Browser: 24952 (1997 QJ4). NASA/Jet Propulsion Laboratory. Archived from the original on 2020-11-04.

Sources

List of Trans Neptunian Objects, Minor Planet Center
Another list of TNOs at johnstonsarchive

External links

1997 QJ4, Luu, J. X., Trujillo, C., Jewitt, D., Berney, K., Williams, G. V. 1997, Minor Planet Electronic Circular, 1997-R09
Close Approaches of Trans-Neptunian Objects to Pluto Have Left Observable Signatures on Their Orbital Distribution, Nesvorný, D., Roig, F., Ferraz-Mello, S. 2000, The Astronomical Journal, Volume 119, Issue 2, pp. 953–969
Search for Cometary Activity in KBO (24952) 1997 QJ₄, Meech, K. J., Hainaut, O. R., Boehnhardt, H., Delsanti, A. 2003, Earth, Moon, and Planets, Volume 92, Issue 1, pp. 169–181
(24952) 1997 QJ₄ data at MPC
(24952) 1997 QJ4 at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

v t e Minor planets navigator
(24951) 1997 QK (24952) 1997 QJ₄ (24953) 1997 SG7

Small Solar System bodies

Minor planets

Designation Groups List Moon Meanings of names
Asteroid	Active Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Neptune trojan Damocloid Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Comets

Other

v t e Trans-Neptunian objects
TNO classes	Cubewanos Scattered-disc objects Detached objects Resonant objects Neptune trojans Plutinos Twotinos TNO moons
Dwarf planets (moons)	Orcus Vanth Pluto Charon Styx Nix Kerberos Hydra Haumea Namaka Hiʻiaka Ring Quaoar Weywot Rings Makemake MK2 Gonggong Xiangliu Eris Dysnomia Sedna
Sednoids	90377 Sedna 2012 VP113 541132 Leleākūhonua

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