Collaborative Occultation
Resources and Archive
CORA
Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (152637) 1997 NC1 on 2026-06-20 (23:30:00 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] : 2a5830d0-d9a5-11f1-43f3-d29c3b8bf2c0 [observed]

 Occultation Date + Time   : 2026-06-20 at 23:30:00 UT +/- 0.0 min  [1]
 Object Designation        : (152637) 1997 NC1
 Star Designation          : GDR3 2085102069830441472
 Star Coordinates (ICRF)   : RA = 20 17 03.2846, DE = +50 17 28.521  [2]
 Star Magnitudes           : G = 15.11 mag, RP = 14.44 mag, BP = 15.63 mag
 Object Magnitude          : V = 13.68 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 4.0 km/s
 Object Mean Diameter      : 0.90 km  (src: astorb) => apparent = 33 mas
 Apparent Motion           : 8.9233 arcs/min @ PA = 225 deg
 Horizontal Parallax       : 235.2670 arcs
 Dynamical Class           : 
 Elongation to Moon & Sun  : 114° (sunlit = 41%), Sun = 100°
 Cross-track uncertainty   : 23.7 mas = 0 km = 0.71 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL131
 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 file

Aladin Sky Atlas
Loading sky atlas…
Aladin Lite direct link (has Gaia overlay)