503 Evelyn

503 Evelyn
Discovery
Discovered by	Raymond Smith Dugan
Discovery site	Heidelberg
Discovery date	19 January 1903
Designations
MPC designation	(503) Evelyn
Alternative designations	1903 LF
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	113.24 yr (41362 d)
Aphelion	3.2031 AU (479.18 Gm)
Perihelion	2.2418 AU (335.37 Gm)
Semi-major axis	2.7225 AU (407.28 Gm)
Eccentricity	0.17655
Orbital period (sidereal)	4.49 yr (1640.7 d)
Mean anomaly	98.1577°
Mean motion	0° 13m 9.876s / day
Inclination	5.0103°
Longitude of ascending node	68.903°
Argument of perihelion	42.058°
Physical characteristics
Dimensions	87.58 ± 3.58 km; 81.68±4.9 km
Mass	(2.85 ± 0.34) × 1018 kg
Mean density	8.10 ± 1.38 g/cm3
Synodic rotation period	38.728 h (1.6137 d)
Geometric albedo	0.0585±0.008
Absolute magnitude (H)	9.3

503 Evelyn is a main belt asteroid discovered by Raymond Smith Dugan on 19 January 1903. The asteroid was named after Evelyn Smith Dugan, mother of the discoverer.

^ ^a ^b "503 Evelyn (1903 LF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 9 May 2016.
^ ^a ^b ^c Cite error: The named reference Carry2012 was invoked but never defined (see the help page).

[jpldata-1] "503 Evelyn (1903 LF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 9 May 2016.

[Carry2012-2] Cite error: The named reference Carry2012 was invoked but never defined (see the help page).

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