Collaborative Occultation Resources and Archive (CORA)


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

Stellar Occultation by (2835) Ryoma on 2023-12-27 (22:33:40 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] : cf62bb2d-973c-452f-b9bb-8e3f3f1cebb4 [observed]

 Occultation Date + Time   : 2023-12-27 at 22:33:40 UT +/- 0.07 min  [1]
 Object Designation        : (2835) Ryoma
 Star Designation          : GDR3 0064256597695031168
 Star Coordinates (ICRF)   : RA = 03 38 32.8965, DE = +21 17 02.356  [2]
 Star Magnitudes           : G = 10.45 mag, RP = 9.91 mag, BP = 10.82 mag
 Object Magnitude          : V = 16.44 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 4.6 sec
 Object Mean Diameter      : 25.2 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 5.5 km/s
 Elongation to Moon & Sun  : 49° (sunlit = 99%), Sun = 141°
 Cross-track uncertainty   : 4.2 mas = 5 km = 0.22 path-width (1-sig)
 RUWE and duplicate source : 9.43 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#56

 
 [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)