2024-08-11 / UCAC4 452-087874 / (43815) 1991 VD4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Stefano Sposetti
O-
VID
M420
CH
GPS
20:47:30
20:53:30
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 3cafab10-ddb5-11f0-547e-007baf3f96c8 for map and profile fit
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Event Details
Occultation UUID [and DB] : 3cafab10-ddb5-11f0-547e-007baf3f96c8 [observed]
Occultation Date + Time : 2024-08-11 at 20:50:33 UT +/- 0.0 min [1]
Object Designation : (43815) 1991 VD4
Orbit Class : MBA
Star Designation : GDR3 4264169081960674048
Star Coordinates (ICRF) : RA = 19 08 46.1743, DE = +00 13 35.902 [2]
Star Magnitudes : G = 14.64 mag, RP = 13.7 mag, BP = 15.54 mag
Object Magnitude : V = 17.23 mag
Estimated Magnitude Drop : 2.7 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 13.7 km (src: astorb)
Speed of the shadow : 11.6 km/s
Elongation to Moon & Sun : 71° (sunlit = 43%), Sun = 142°
Cross-track uncertainty : 0.4 mas = 0 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
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)
