4722 Agelaos

Agelaos

Discovery
Discovered by	Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels
Discovery site	Palomar Observatory
Discovery date	16 October 1977
Designations
MPC designation	4722
Named after	Agelaus
Alternative names	4271 T-3
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	14026 days (38.40 yr)
Aphelion	5.7905 AU (866.25 Gm)
Perihelion	4.6234 AU (691.65 Gm)
Semi-major axis	5.2070 AU (778.96 Gm)
Eccentricity	0.11206
Orbital period	11.88 yr (4339.84 d)
Mean anomaly	74.7701°
Mean motion	0° 4^m 58.627^s / day
Inclination	8.8154°
Longitude of ascending node	64.996°
Argument of perihelion	315.800°
Earth MOID	3.63227 AU (543.380 Gm)
Jupiter MOID	0.241179 AU (36.0799 Gm)
Jupiter Tisserand parameter	2.964
Physical characteristics
Dimensions	68 km[2]
Rotation period	18.61 h (0.775 d)
Absolute magnitude (H)	10.1

4722 Agelaos (4271 T-3) is a Jupiter Trojan discovered on October 16, 1977 by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels at Palomar Observatory.

Photometric observations of this asteroid during 1994 were used to build a light curve showing a rotation period of 18.61 ± 0.12 hours with a brightness variation of 0.23 ± 0.02 magnitude.^[2]

References

1. "4722 Agelaos (4271 T-3)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016.
2. Mottola, Stefano; Di Martino, Mario; Erikson, Anders; Gonano-Beurer, Maria; Carbognani, Albino; Carsenty, Uri; Hahn, Gerhard; Schober, Hans-Josef; Lahulla, Felix; Delbò, Marco; Lagerkvist, Claes-Ingvar (May 2011). "Rotational Properties of Jupiter Trojans. I. Light Curves of 80 Objects". The Astronomical Journal 141 (5): 170. Bibcode:2011AJ....141..170M. doi:10.1088/0004-6256/141/5/170.

External links

• JPL Small-Body Database Browser on 4722 Agelaos
• 4722 Agelaos at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters