2023-10-17 / UCAC4 460-126067 / (25581) 1999 XD221
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jiri Kubanek
O-
VID
M303
CZ
GPS
20:05:07
20:08:07
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 2c91a680-ddb4-11f0-547e-8911b4e9c347 for map and profile fit
Map with groundtrack and observer stations
Reset Map to default
Event Details
Occultation UUID [and DB] : 2c91a680-ddb4-11f0-547e-8911b4e9c347 [observed]
Occultation Date + Time : 2023-10-17 at 20:19:22 UT +/- 0.01 min [1]
Object Designation : (25581) 1999 XD221
Orbit Class : MBA
Star Designation : GDR3 2693643066728483968
Star Coordinates (ICRF) : RA = 21 46 22.2719, DE = +01 58 02.251 [2]
Star Magnitudes : G = 14.15 mag, RP = 13.55 mag, BP = 14.58 mag
Object Magnitude : V = 17.91 mag
Estimated Magnitude Drop : 3.8 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 7.7 km (src: astorb)
Speed of the shadow : 5.1 km/s
Elongation to Moon & Sun : 90° (sunlit = 10%), Sun = 124°
Cross-track uncertainty : 0.4 mas = 0 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#62
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)
