2025-09-29 / UCAC4 595-008606 / (19615) 1999 OB3
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Anna Marciniak
O+
CCD
M400
PL
GPS
21:41:25
21:43:17.5
21:43:22.8
21:45:27
0.400
0.400
5.30
17.0
2
show Zdenek Sikac
O-
VID
T150
CZ
NTP
21:43:50
::
::
21:45:50
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 9b52ef30-ddb8-11f0-547e-bb20ddffc82e for map and profile fit
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Event Details
Occultation UUID [and DB] : 9b52ef30-ddb8-11f0-547e-bb20ddffc82e [observed]
Occultation Date + Time : 2025-09-29 at 21:32:09 UT +/- 0.01 min [1]
Object Designation : (19615) 1999 OB3
Orbit Class : MBA
Star Designation : GDR3 0119177031703446656
Star Coordinates (ICRF) : RA = 03 19 52.8722, DE = +28 53 42.788 [2]
Star Magnitudes : G = 14.57 mag, RP = 13.71 mag, BP = 15.32 mag
Object Magnitude : V = 16.97 mag
Estimated Magnitude Drop : 2.5 mag
Estimated Max. Duration : 3.7 sec
Object Mean Diameter : 11.8 km (src: astorb)
Speed of the shadow : 3.2 km/s
Elongation to Moon & Sun : 139° (sunlit = 49%), Sun = 131°
Cross-track uncertainty : 0.2 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#72
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)
