2023-08-13 / UCAC4 345-077987 / (43815) 1991 VD4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Ferran Casarramona
O-
VID
M200
ES
GPS
21:45:02
21:49:02
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 eb9b66c0-ddb3-11f0-547e-f7dcbecf2b30 for map and profile fit
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Event Details
Occultation UUID [and DB] : eb9b66c0-ddb3-11f0-547e-f7dcbecf2b30 [observed]
Occultation Date + Time : 2023-08-13 at 21:35:54 UT +/- 0.0 min [1]
Object Designation : (43815) 1991 VD4
Orbit Class : MBA
Star Designation : GDR3 6240843809037736448
Star Coordinates (ICRF) : RA = 15 51 20.9271, DE = -21 00 34.729 [2]
Star Magnitudes : G = 13.26 mag, RP = 12.48 mag, BP = 13.9 mag
Object Magnitude : V = 18.58 mag
Estimated Magnitude Drop : 5.3 mag
Estimated Max. Duration : 1.6 sec
Object Mean Diameter : 13.7 km (src: astorb)
Speed of the shadow : 8.7 km/s
Elongation to Moon & Sun : 127° (sunlit = 6%), Sun = 99°
Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 1.0 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)
