2024-08-10 / UCAC4 387-083311 / (40709) 1999 RW242
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Zdenek Sikac
O-
VID
T150
CZ
NTP
22:46:01
22:50:00
2
show Jiri Polak
O-
VID
M300
CZ
GPS
22:46:10
22:50:10
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 372758f0-ddb5-11f0-547e-2141ff5642a1 for map and profile fit
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Event Details
Occultation UUID [and DB] : 372758f0-ddb5-11f0-547e-2141ff5642a1 [observed]
Occultation Date + Time : 2024-08-10 at 23:01:56 UT +/- 0.02 min [1]
Object Designation : (40709) 1999 RW242
Orbit Class : MBA
Star Designation : GDR3 4161934566664642176
Star Coordinates (ICRF) : RA = 17 45 00.1446, DE = -12 41 50.249 [2]
Star Magnitudes : G = 12.18 mag, RP = 11.29 mag, BP = 13.0 mag
Object Magnitude : V = 19.11 mag
Estimated Magnitude Drop : 6.9 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 5.2 km (src: astorb)
Speed of the shadow : 7.4 km/s
Elongation to Moon & Sun : 57° (sunlit = 34%), Sun = 127°
Cross-track uncertainty : 0.4 mas = 0 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 3.41 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
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)
