2023-09-29 / UCAC4 531-037255 / (202791) 2008 QC4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Daniel Antuszewicz
O-
VID
M200
PL
NTP
02:32:21
02:34:21
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 c637957a-8b13-4c48-8f80-efef2d50924a for map and profile fit
Map with groundtrack and observer stations
Reset Map to default
Event Details
Occultation UUID [and DB] : c637957a-8b13-4c48-8f80-efef2d50924a [observed]
Occultation Date + Time : 2023-09-29 at 02:36:36 UT +/- 0.09 min [1]
Object Designation : (202791) 2008 QC4
Orbit Class : JTRO
Star Designation : GDR3 3360101143573318784
Star Coordinates (ICRF) : RA = 07 05 02.8291, DE = +16 08 24.667 [2]
Star Magnitudes : G = 11.85 mag, RP = 11.45 mag, BP = 12.09 mag
Object Magnitude : V = 20.69 mag
Estimated Magnitude Drop : 8.8 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 19.0 km/s
Elongation to Moon & Sun : 104° (sunlit = 100%), Sun = 80°
Cross-track uncertainty : 20.3 mas = 71 km = 8.72 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#24
[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)