3451 Mentor

Mentor

Discovery
Discovered by	A. Mrkos
Discovery site	Klet
Discovery date	19 April 1984
Designations
MPC designation	3451
Named after	Mentor
Alternative names	1984 HA1
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	12041 days (32.97 yr)
Aphelion	5.4898 AU (821.26 Gm)
Perihelion	4.7674 AU (713.19 Gm)
Semi-major axis	5.1286 AU (767.23 Gm)
Eccentricity	0.070425
Orbital period	11.61 yr (4242.24 d)
Mean anomaly	166.830°
Mean motion	0° 5^m 5.5^s / day
Inclination	24.662°
Longitude of ascending node	179.660°
Argument of perihelion	133.076°
Earth MOID	3.79685 AU (568.001 Gm)
Jupiter MOID	0.0785319 AU (11.74821 Gm)
Jupiter Tisserand parameter	2.815
Physical characteristics
Dimensions	~90km
Rotation period	7.730 h (0.3221 d)
Sidereal rotation period	7.73 h
Absolute magnitude (H)	8.4

3451 Mentor (1984 HA1) is a Jupiter Trojan discovered on April 19, 1984 by A. Mrkos at Klet.

Photometric observations of this asteroid during 1998 were used to build a light curve showing a rotation period of 7.700 ± 0.005 hours with a brightness variation of 0.15 ± 0.01 magnitude.^[2]

References

1. "3451 Mentor (1984 HA1)". 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 3451 Mentor
• 3451 Mentor at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters