2023-08-11 / UCAC4 339-168918 / (66054) 1998 QY88
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Daniel Antuszewicz
O-
VID
M203
PL
NTP
22:27:46
22:29:44
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 e94d7f20-ddb3-11f0-547e-b576ee2b4f0f for map and profile fit
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Event Details
Occultation UUID [and DB] : e94d7f20-ddb3-11f0-547e-b576ee2b4f0f [observed]
Occultation Date + Time : 2023-08-11 at 22:29:23 UT +/- 0.01 min [1]
Object Designation : (66054) 1998 QY88
Orbit Class : MBA
Star Designation : GDR3 4078705144224198016
Star Coordinates (ICRF) : RA = 18 50 51.8669, DE = -22 15 15.248 [2]
Star Magnitudes : G = 12.78 mag, RP = 11.95 mag, BP = 13.5 mag
Object Magnitude : V = 18.99 mag
Estimated Magnitude Drop : 6.2 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 4.4 km (src: astorb)
Speed of the shadow : 6.6 km/s
Elongation to Moon & Sun : 167° (sunlit = 17%), Sun = 143°
Cross-track uncertainty : 0.7 mas = 1 km = 0.23 path-width (1-sig)
RUWE and duplicate source : 0.77 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
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)
