2025-09-05 / UCAC4 343-182742 / (51916) 2001 QQ73
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Manfred Simon
O-
VID
M203
DE
NTP
20:27:47
::
::
20:29:47
2
show Gregor Krannich
O-
VID
M350
DE
GPS
20:27:58
::
::
20:29:28
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 67802390-ddb7-11f0-547e-0895dbf594ac for map and profile fit
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Event Details
Occultation UUID [and DB] : 67802390-ddb7-11f0-547e-0895dbf594ac [observed]
Occultation Date + Time : 2025-09-05 at 20:10:03 UT +/- 0.41 min [1]
Object Designation : (51916) 2001 QQ73
Orbit Class : MBA
Star Designation : GDR3 4081664411038758784
Star Coordinates (ICRF) : RA = 19 04 26.1443, DE = -21 34 47.424 [2]
Star Magnitudes : G = 12.47 mag, RP = 11.08 mag, BP = 14.67 mag
Object Magnitude : V = 20.39 mag
Estimated Magnitude Drop : 7.9 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 4.0 km (src: astorb)
Speed of the shadow : 1.9 km/s
Elongation to Moon & Sun : 34° (sunlit = 95%), Sun = 121°
Cross-track uncertainty : 17.3 mas = 35 km = 8.77 path-width (1-sig)
RUWE and duplicate source : 1.2 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#39
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)
