2026-08-28 / UCAC4 397-119937 / (88522) 2001 QM171
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Wacław Pieczonka
O-
VID
M200
PL
NTP
21:31:02
::
::
21:32:30
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 b8ecf570-d9ae-11f1-43f3-0be8d7f7f96e for map and profile fit
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Event Details
Occultation UUID [and DB] : b8ecf570-d9ae-11f1-43f3-0be8d7f7f96e [observed]
Occultation Date + Time : 2026-08-28 at 21:42:52 UT +/- 0.01 min [1]
Object Designation : (88522) 2001 QM171
Orbit Class : MBA
Star Designation : GDR3 4190280805354277248
Star Coordinates (ICRF) : RA = 19 53 56.8049, DE = -10 37 29.734 [2]
Star Magnitudes : G = 12.57 mag, RP = 11.67 mag, BP = 13.42 mag
Object Magnitude : V = 19.89 mag
Estimated Magnitude Drop : 7.3 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.2 km (src: astorb)
Speed of the shadow : 6.7 km/s
Elongation to Moon & Sun : 46° (sunlit = 99%), Sun = 142°
Cross-track uncertainty : 1.3 mas = 1 km = 0.72 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL40
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)
