4147 Lennon

4147 Lennon
Discovery
Discovered by	B. A. Skiff
Discovery site	Anderson Mesa Stn.
Discovery date	12 January 1983
Designations
MPC designation	(4147) Lennon
Named after	John Lennon; (musician, The Beatles)
Alternative designations	1983 AY · 1971 YG; 1980 KA
Minor planet category	main-belt · Vestian
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	44.51 yr (16,258 days)
Aphelion	2.5524 AU
Perihelion	2.1712 AU
Semi-major axis	2.3618 AU
Eccentricity	0.0807
Orbital period (sidereal)	3.63 yr (1,326 days)
Mean anomaly	88.732°
Mean motion	0° 16m 17.4s / day
Inclination	5.7326°
Longitude of ascending node	288.57°
Argument of perihelion	302.94°
Physical characteristics
Dimensions	5.171±0.087 km; 7.13±0.37 km; 7.46 km (calculated)
Synodic rotation period	137 h
Geometric albedo	0.20 (assumed); 0.240±0.049; 0.4166±0.0564
Spectral type	V · S
Absolute magnitude (H)	12.90 · 13.0 · 13.63±0.34

4147 Lennon, provisional designation 1983 AY, is a stony Vestian asteroid and a potentially slow rotator from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered by American astronomer Brian Skiff at Lowell's Anderson Mesa Station on 12 January 1983.^[9] It was later named after musician John Lennon.^[2]

^ ^a ^b ^c 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 WISE was invoked but never defined (see the help page).
^ Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
^ ^a ^b ^c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference Hasegawa-2012 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-Lennon 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).

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

[Masiero-2011-5] Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).

[Masiero-2012-6] Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).

[Hasegawa-2012-7] Cite error: The named reference Hasegawa-2012 was invoked but never defined (see the help page).

[Veres-2015-8] Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).

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

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]