2024-08-01 / UCAC4 586-123760 / (40244) 1998 WP4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Eric Barbotin
O-
VID
T500
FR
NTP
20:39:51
20:43:51
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 24014f10-ddb5-11f0-547e-4a00dfffe765 for map and profile fit
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Event Details
Occultation UUID [and DB] : 24014f10-ddb5-11f0-547e-4a00dfffe765 [observed]
Occultation Date + Time : 2024-08-01 at 20:32:58 UT +/- 0.0 min [1]
Object Designation : (40244) 1998 WP4
Orbit Class : MBA
Star Designation : GDR3 1799885519463855488
Star Coordinates (ICRF) : RA = 21 50 50.8437, DE = +27 04 50.662 [2]
Star Magnitudes : G = 11.85 mag, RP = 11.34 mag, BP = 12.18 mag
Object Magnitude : V = 18.11 mag
Estimated Magnitude Drop : 6.3 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 3.2 km (src: astorb)
Speed of the shadow : 6.6 km/s
Elongation to Moon & Sun : 109° (sunlit = 7%), Sun = 133°
Cross-track uncertainty : 0.3 mas = 0 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#47
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)
