Collaborative Occultation Resources and Archive (CORA)


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

2020-03-18 / 4UC 451-019548 / (105) Artemis

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Chad Ellington O+ VID M250 DE GPS++ 22:30:36 22:31:23.86 22:31:27.20 22:32:14 0.21 0.21 3.34 48.8
2 show Jiri Kubanek O- VID M203 CZ 22:29:35 22:33:35
3 show Jean Bourgeois O- VID M200 BE 22:30:30 22:32:30
4 show O. Schreurs et al O- VID M406 BE 22:30:19 22:32:30
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

4 observations found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#138 : a967bb14-a729-4c4a-9d9f-de7281df8684 [db: observed]

Using prediction a967bb14-a729-4c4a-9d9f-de7281df8684 for map and profile fit

Get observations as KML file (reduced site location resolution)


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : a967bb14-a729-4c4a-9d9f-de7281df8684 [observed]

 Occultation Date + Time   : 2020-03-18 at 22:24:32 UT +/- 0.01 min  [1]
 Object Designation        : (105) Artemis
 Orbit Class               : MBA
 Star Designation          : GDR3 3120436543915309696
 Star Coordinates (ICRF)   : RA = 06 33 36.6120, DE = +00 07 20.573  [2]
 Star Magnitudes           : G = 12.38 mag, RP = 11.91 mag, BP = 12.68 mag
 Object Magnitude          : V = 13.64 mag
 Estimated Magnitude Drop  : 1.6 mag
 Estimated Max. Duration   : 8.2 sec
 Object Mean Diameter      : 119 km  (src: astorb)
 Speed of the shadow       : 14.6 km/s
 Elongation to Moon & Sun  : 149° (sunlit = 25%), Sun = 100°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.13 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#138

 
 [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)

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