5028 Halaesus

5028 Halaesus
Discovery [1]
Discovered byC. Shoemaker
Discovery sitePalomar Obs.
Discovery date23 January 1988
Designations
(5028) Halaesus
Pronunciation/həˈliːsəs/[2]
Named after
Halaesus
(Greek mythology)[3]
1988 BY1 · 1985 US2
Jupiter trojan [1][4]
Greek [5] · background [6]
AdjectivesHalaesian
Orbital characteristics [4]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc67.77 yr (24,753 d)
Aphelion5.9511 AU
Perihelion4.5716 AU
5.2613 AU
Eccentricity0.1311
12.07 yr (4,408 d)
297.83°
0° 4m 54.12s / day
Inclination21.477°
44.020°
11.475°
Jupiter MOID0.3898 AU
TJupiter2.844
Physical characteristics
50.77±0.38 km[7]
24.937±0.015 h[8]
0.057±0.007[7]
D Pan-STARRS[9][10]
D (SDSS-MOC)[11]
V–I = 0.900±0.069[9]
10.2[4][7][9]
10.33±0.46[10]

5028 Halaesus /həˈliːsəs/ is a Jupiter trojan from the Greek camp, approximately 51 kilometers (32 miles) in diameter. It was discovered on 23 January 1988 by American astronomer Carolyn Shoemaker at the Palomar Observatory in California.[1] The dark D-type asteroid has a rotation period of 24.9 hours and belongs to the 100 largest Jupiter trojans.[9] It was named after Halaesus from Greek mythology.[3]

  1. ^ a b c Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference MPC-Jupiter-Trojans was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference Grav-2012 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Mottola-2011 was invoked but never defined (see the help page).
  9. ^ a b c d Cite error: The named reference lcdb was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference SDSS-Taxonomy was invoked but never defined (see the help page).