CORA test instance — changes here do not update the production service.
Collaborative Occultation
Resources and Archive
Occultations | Call for Observation | Observations | Reports | Info + Credits | JOA | Login

Stellar Occultation by (21771) 1999 RQ211 on 2022-12-27 (19:56:54 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
Occultation UUID [and db] : 400095b0-ddb3-11f0-547e-b9f7edfd7173 [observed] Occultation Date + Time : 2022-12-27 at 19:56:54 UT +/- 0.01 min [1] Object Designation : (21771) 1999 RQ211 Star Designation : GDR3 0190354737266692480 Star Coordinates (ICRF) : RA = 05 30 42.5244, DE = +37 49 09.393 [2] Star Magnitudes : G = 10.26 mag, RP = 9.78 mag, BP = 10.56 mag Object Magnitude : V = 18.26 mag Estimated Magnitude Drop : 8.0 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 3.7 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5683 arcs/min @ PA = 250 deg Horizontal Parallax : 5.7760 arcs Dynamical Class : MBA Elongation to Moon & Sun : 107° (sunlit = 26%), Sun = 161° Cross-track uncertainty : 0.7 mas = 0 km = 0.21 path-width (1-sig) RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 Note : FP:true [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

Download KMZ

Aladin Sky Atlas
Loading sky atlas…

Aladin Lite direct link (has Gaia overlay)