2023-05-26 / UCAC4 484-124836 / (77522) 2001 HA54
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Daniel Antuszewicz
O-
VID
M203
PL
NTP
22:46:12
22:48:10
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 9d9f4270-ddb3-11f0-547e-3e6bd71e5ede for map and profile fit
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Event Details
Occultation UUID [and DB] : 9d9f4270-ddb3-11f0-547e-3e6bd71e5ede [observed]
Occultation Date + Time : 2023-05-26 at 22:41:52 UT +/- 0.01 min [1]
Object Designation : (77522) 2001 HA54
Orbit Class : MBA
Star Designation : GDR3 1748025713511430656
Star Coordinates (ICRF) : RA = 20 44 16.0244, DE = +06 40 42.958 [2]
Star Magnitudes : G = 12.29 mag, RP = 11.7 mag, BP = 12.72 mag
Object Magnitude : V = 19.96 mag
Estimated Magnitude Drop : 7.7 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 4.1 km (src: astorb)
Speed of the shadow : 7.8 km/s
Elongation to Moon & Sun : 149° (sunlit = 43%), Sun = 108°
Cross-track uncertainty : 0.3 mas = 0 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#43
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)
