Collaborative Occultation Resources and Archive (CORA)

Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (1647) Menelaus on 2021-10-21 (20:17:17 UT)



Event Details
 Occultation UUID [and db] : df639d3b-a68f-4a49-9fda-d61e23677db3 [observed]

 Occultation Date + Time   : 2021-10-21 at 20:17:17 UT +/- 0.04 min  [1]
 Object Designation        : (1647) Menelaus
 Star Designation          : GDR3 2588607060230153088
 Star Coordinates (ICRF)   : RA = 01 37 24.5594, DE = +14 09 04.398  [2]
 Star Magnitudes           : G = 12.24 mag, RP = 11.54 mag, BP = 12.16 mag
 Object Magnitude          : V = 17.45 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 4.2 sec
 Object Mean Diameter      : 72 km  (src: astorb)
 Orbital Class             : JTRO
 Speed of the shadow       : 17.2 km/s
 Elongation to Moon & Sun  : 16° (sunlit = 99%), Sun = 176°
 Cross-track uncertainty   : 3.7 mas = 11 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 1.44 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
(If error 404: link not valid which means no data available)


Interactive map



Aladin Sky Atlas
Aladin Lite direct link (has Gaia overlay)