Collaborative Occultation Resources and Archive (CORA)


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

Stellar Occultation by (381) Myrrha on 2021-02-12 (00:13:47 UT)



Event Details
 Occultation UUID [and db] : a5de7339-5e3f-43af-8dc0-8e28b9a2ed99 [observed]

 Occultation Date + Time   : 2021-02-12 at 00:13:47 UT +/- 0.05 min  [1]
 Object Designation        : (381) Myrrha
 Star Designation          : GDR3 3907203702759287040
 Star Coordinates (ICRF)   : RA = 12 21 13.3797, DE = +10 47 10.992  [2]
 Star Magnitudes           : G = 13.81 mag, RP = 13.15 mag, BP = 14.31 mag
 Object Magnitude          : V = 13.57 mag
 Estimated Magnitude Drop  : 0.6 mag
 Estimated Max. Duration   : 12.7 sec
 Object Mean Diameter      : 121 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.5 km/s
 Elongation to Moon & Sun  : 145° (sunlit = 0%), Sun = 141°
 Cross-track uncertainty   : 2.3 mas = 4 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72

 Object is a <Gaia mass determination> target !

 [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)