2023-07-20 / UCAC4 335-128282 / (84721) 2002 WU2
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Peter Delincak
O-
VID
M400
SK
NTP
20:58:41
21:02:50
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction d5184f30-ddb3-11f0-547e-6b9197df4c30 for map and profile fit
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Event Details
Occultation UUID [and DB] : d5184f30-ddb3-11f0-547e-6b9197df4c30 [observed]
Occultation Date + Time : 2023-07-20 at 21:04:12 UT +/- 0.02 min [1]
Object Designation : (84721) 2002 WU2
Orbit Class : MBA
Star Designation : GDR3 4069387955730990592
Star Coordinates (ICRF) : RA = 17 55 55.5743, DE = -23 04 52.839 [2]
Star Magnitudes : G = 10.87 mag, RP = 10.04 mag, BP = 11.59 mag
Object Magnitude : V = 20.07 mag
Estimated Magnitude Drop : 9.2 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.3 km (src: astorb)
Speed of the shadow : 8.8 km/s
Elongation to Moon & Sun : 117° (sunlit = 9%), Sun = 151°
Cross-track uncertainty : 2.0 mas = 2 km = 1.17 path-width (1-sig)
RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#36
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)