2025-09-20 / UCAC4 462-108277 / (117307) 2004 VY21
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jiri Kubanek
O-
VID
M303
CZ
GPS
22:12:29
::
::
22:14:29
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 79447a90-ddb7-11f0-547e-8cf25fd7a601 for map and profile fit
Map with groundtrack and observer stations
Reset Map to default
Event Details
Occultation UUID [and DB] : 79447a90-ddb7-11f0-547e-8cf25fd7a601 [observed]
Occultation Date + Time : 2025-09-20 at 22:14:25 UT +/- 0.02 min [1]
Object Designation : (117307) 2004 VY21
Orbit Class : MBA
Star Designation : GDR3 4241062711963005312
Star Coordinates (ICRF) : RA = 19 54 32.2008, DE = +02 15 27.509 [2]
Star Magnitudes : G = 12.71 mag, RP = 11.9 mag, BP = 13.4 mag
Object Magnitude : V = 18.2 mag
Estimated Magnitude Drop : 5.5 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 4.4 km (src: astorb)
Speed of the shadow : 9.0 km/s
Elongation to Moon & Sun : 129° (sunlit = 1%), Sun = 120°
Cross-track uncertainty : 2.3 mas = 2 km = 0.58 path-width (1-sig)
RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#45
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
(If error 404: link not valid which means no data available)
