4713 Steel

4713 Steel
Discovery
Discovered by	R. H. McNaught
Discovery site	Siding Spring Obs.
Discovery date	26 August 1989
Designations
MPC designation	(4713) Steel
Named after	Duncan Steel; (New Zealand astronomer)
Alternative designations	1989 QL
Minor planet category	main-belt · Hungaria
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	40.28 yr (14,713 days)
Aphelion	2.0683 AU
Perihelion	1.7842 AU
Semi-major axis	1.9263 AU
Eccentricity	0.0737
Orbital period (sidereal)	2.67 yr (977 days)
Mean anomaly	236.36°
Mean motion	0° 22m 7.32s / day
Inclination	22.671°
Longitude of ascending node	101.43°
Argument of perihelion	152.56°
Physical characteristics
Dimensions	5.62±0.53 km; 6.248±0.011 km; 6.286±0.055 km; 7.51 km (calculated)
Synodic rotation period	5.186±0.004 h; 5.193±0.002 h; 5.199±0.002 h; 5.203±0.002 h
Geometric albedo	0.18 (assumed); 0.3468±0.0386; 0.381±0.036; 0.424±0.082
Spectral type	SMASS = A · A
Absolute magnitude (H)	12.8 · 13.1 · 13.18±0.25

For other uses, see Steel (disambiguation).

4713 Steel, provisional designation 1989 QL, is a rare-type Hungaria asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 26 August 1989, by Scottish–Australian astronomer Robert McNaught at the Siding Spring Observatory in New South Wales, Australia.^[12] It was named after astronomer Duncan Steel.^[2]

^ ^a ^b ^c ^d Cite error: The named reference jpldata was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference springer was invoked but never defined (see the help page).
^ ^a ^b ^c ^d ^e Cite error: The named reference lcdb was invoked but never defined (see the help page).
^ ^a ^b ^c Cite error: The named reference AKARI was invoked but never defined (see the help page).
^ ^a ^b ^c Cite error: The named reference WISE was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
^ Cite error: The named reference Warner-2012c was invoked but never defined (see the help page).
^ Cite error: The named reference Warner-2010p was invoked but never defined (see the help page).
^ Cite error: The named reference Warner-2015j was invoked but never defined (see the help page).
^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
^ Cite error: The named reference MPC-Steel was invoked but never defined (see the help page).

[jpldata-1] Cite error: The named reference jpldata was invoked but never defined (see the help page).

[springer-2] Cite error: The named reference springer was invoked but never defined (see the help page).

[lcdb-3] Cite error: The named reference lcdb was invoked but never defined (see the help page).

[AKARI-4] Cite error: The named reference AKARI was invoked but never defined (see the help page).

[WISE-5] Cite error: The named reference WISE was invoked but never defined (see the help page).

[Masiero-2014-6] Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).

[geneva-obs-7] Cite error: The named reference geneva-obs was invoked but never defined (see the help page).

[Warner-2012c-8] Cite error: The named reference Warner-2012c was invoked but never defined (see the help page).

[Warner-2010p-9] Cite error: The named reference Warner-2010p was invoked but never defined (see the help page).

[Warner-2015j-10] Cite error: The named reference Warner-2015j was invoked but never defined (see the help page).

[Veres-2015-11] Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).

[MPC-Steel-12] Cite error: The named reference MPC-Steel was invoked but never defined (see the help page).

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]