2023-08-23 / UCAC4 524-148656 / (249212) 2008 DL84
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jiri Kubanek
O-
VID
M200
CZ
GPS
21:56:30
22:00:33
2
show Zdenek Sikac
O-
VID
T150
CZ
NTP
21:56:01
22:00:01
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 822253dc-3d52-4013-8423-f6df10030cf0 for map and profile fit
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Event Details
Occultation UUID [and DB] : 822253dc-3d52-4013-8423-f6df10030cf0 [observed]
Occultation Date + Time : 2023-08-23 at 21:58:34 UT +/- 0.12 min [1]
Object Designation : (249212) 2008 DL84
Orbit Class : JTRO
Star Designation : GDR3 2813409947765349760
Star Coordinates (ICRF) : RA = 23 29 52.7411, DE = +14 39 02.791 [2]
Star Magnitudes : G = 12.34 mag, RP = 11.91 mag, BP = 12.61 mag
Object Magnitude : V = 19.55 mag
Estimated Magnitude Drop : 7.2 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 12.8 km/s
Elongation to Moon & Sun : 124° (sunlit = 45%), Sun = 147°
Cross-track uncertainty : 22.7 mas = 60 km = 6.76 path-width (1-sig)
RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#22
[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)