7543 Prylis information

7543 Prylis
Discovery
Discovered by	C. J. van Houten; I. van Houten-G.; T. Gehrels
Discovery site	Palomar Obs.
Discovery date	19 September 1973
Designations
MPC designation	(7543) Prylis
Pronunciation	/ˈpraɪlɪs/
Named after	Prylis (Greek mythology)
Alternative designations	1973 SY · 1990 EP
Minor planet category	Jupiter trojan ; Greek · background
Adjectives	Prylidian
Orbital characteristics
	Epoch 23 March 2018 (JD 2458200.5)
	Uncertainty parameter 0
Observation arc	61.40 yr (22,425 d)
Aphelion	5.5172 AU
Perihelion	4.8656 AU
Semi-major axis	5.1914 AU
Eccentricity	0.0628
Orbital period (sidereal)	11.83 yr (4,320 d)
Mean anomaly	261.11°
Mean motion	0° 4m 59.88s / day
Inclination	14.066°
Longitude of ascending node	195.56°
Argument of perihelion	207.14°
Jupiter MOID	0.0352 AU
TJupiter	2.9360
Physical characteristics
Mean diameter	42.893±0.578 km
Synodic rotation period	17.80±0.02 h
Geometric albedo	0.055±0.004
Spectral type	C (assumed)
Absolute magnitude (H)	10.6

7543 Prylis /ˈpraɪlɪs/ is a Jupiter trojan from the Greek camp, approximately 43 kilometers (27 miles) in diameter. It was discovered on 19 September 1973, by Dutch astronomer couple Ingrid and Cornelis van Houten at Leiden, on photographic plates taken by Dutch–American astronomer Tom Gehrels at the Palomar Observatory, California.^[1] The dark Jovian asteroid is possibly spherical in shape and has a rotation period of 17.8 hours.^[7] It was named after Prylis, son of Hermes from Greek mythology.^[1]

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^ Cite error: The named reference Stephens-2016k was invoked but never defined (see the help page).
^ ^a ^b ^c Cite error: The named reference lcdb was invoked but never defined (see the help page).

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7543 Prylis information

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Discovery ^[1]
Discovered by	C. J. van Houten I. van Houten-G. T. Gehrels
Discovery site	Palomar Obs.
Discovery date	19 September 1973
Designations
MPC designation	(7543) Prylis
Pronunciation	/ˈpraɪlɪs/
Named after	Prylis (Greek mythology)^[1]
Alternative designations	1973 SY · 1990 EP
Minor planet category	Jupiter trojan ^[1]^[2] Greek ^[3] · background ^[4]
Adjectives	Prylidian
Orbital characteristics ^[2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc	61.40 yr (22,425 d)
Aphelion	5.5172 AU
Perihelion	4.8656 AU
Semi-major axis	5.1914 AU
Eccentricity	0.0628
Orbital period (sidereal)	11.83 yr (4,320 d)
Mean anomaly	261.11°
Mean motion	0° 4^m 59.88^s / day
Inclination	14.066°
Longitude of ascending node	195.56°
Argument of perihelion	207.14°
Jupiter MOID	0.0352 AU
T_Jupiter	2.9360
Physical characteristics
Mean diameter	42.893±0.578 km^[5]
Synodic rotation period	17.80±0.02 h^[6]^[a]
Geometric albedo	0.055±0.004^[5]
Spectral type	C (assumed)^[7]
Absolute magnitude (H)	10.6^[1]^[2]^[5]^[7]