2024-12-27 / UCAC4 525-032955 / (16831) 1997 WM21
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Marcin Filipek
O+
VID
M400
PL
GPS
03:22:20
03:22:30.70
03:22:31.04
03:22:40
0.02
0.02
0.34
2.7
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 d5d2dab0-ddb5-11f0-547e-4ab8ffffbd21 for map and profile fit
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Event Details
Occultation UUID [and DB] : d5d2dab0-ddb5-11f0-547e-4ab8ffffbd21 [observed]
Occultation Date + Time : 2024-12-27 at 03:31:35 UT +/- 0.01 min [1]
Object Designation : (16831) 1997 WM21
Orbit Class : MBA
Star Designation : GDR3 3357462693623535488
Star Coordinates (ICRF) : RA = 06 45 36.6064, DE = +14 55 17.708 [2]
Star Magnitudes : G = 12.85 mag, RP = 12.32 mag, BP = 13.21 mag
Object Magnitude : V = 15.92 mag
Estimated Magnitude Drop : 3.1 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 5.3 km (src: astorb)
Speed of the shadow : 7.9 km/s
Elongation to Moon & Sun : 129° (sunlit = 14%), Sun = 170°
Cross-track uncertainty : 0.7 mas = 0 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
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)
