2023-04-04 / UCAC4 613-018086 / (52621) 1997 VW4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Ferran Casarramona
O-
VID
M200
ES
GPS
20:57:02
21:00:19
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 83b02910-ddb3-11f0-547e-ff96f77fcee7 for map and profile fit
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Event Details
Occultation UUID [and DB] : 83b02910-ddb3-11f0-547e-ff96f77fcee7 [observed]
Occultation Date + Time : 2023-04-04 at 20:56:00 UT +/- 0.0 min [1]
Object Designation : (52621) 1997 VW4
Orbit Class : MBA
Star Designation : GDR3 0160605118011058432
Star Coordinates (ICRF) : RA = 04 59 53.4367, DE = +32 26 50.509 [2]
Star Magnitudes : G = 10.93 mag, RP = 9.73 mag, BP = 12.52 mag
Object Magnitude : V = 18.88 mag
Estimated Magnitude Drop : 8.0 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 6.4 km (src: astorb)
Speed of the shadow : 29.8 km/s
Elongation to Moon & Sun : 102° (sunlit = 98%), Sun = 63°
Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
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)
