2025-09-20 / UCAC4 636-006420 / (74422) 1999 AP28
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Matthieu Conjat
O+
VID
M200
FR
GPS
00:25:16
00:25:51.99
00:25:52.57
00:28:21
0.085
0.085
0.58
5.5
2
show Florian Signoret
O-
VID
T200
FR
GPS
00:24:29
::
::
00:27:26
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 7a80f230-ddb7-11f0-547e-9848bbfe4900 for map and profile fit
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Event Details
Occultation UUID [and DB] : 7a80f230-ddb7-11f0-547e-9848bbfe4900 [observed]
Occultation Date + Time : 2025-09-20 at 00:23:09 UT +/- 0.01 min [1]
Object Designation : (74422) 1999 AP28
Orbit Class : MBA
Star Designation : GDR3 0342498116866866816
Star Coordinates (ICRF) : RA = 01 54 19.3420, DE = +37 08 14.930 [2]
Star Magnitudes : G = 7.69 mag, RP = 6.28 mag, BP = 10.03 mag
Object Magnitude : V = 19.66 mag
Estimated Magnitude Drop : 12.0 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5.1 km (src: astorb)
Speed of the shadow : 9.5 km/s
Elongation to Moon & Sun : 113° (sunlit = 3%), Sun = 132°
Cross-track uncertainty : 1.2 mas = 2 km = 0.45 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#51
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)
