2024-12-22 / UCAC4 435-036318 / (74789) 1999 SY5
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
CCD
M280
ES
NTP
03:55:42
03:59:42
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 c6f96ea0-ddb5-11f0-547e-9574cdefd77e for map and profile fit
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Event Details
Occultation UUID [and DB] : c6f96ea0-ddb5-11f0-547e-9574cdefd77e [observed]
Occultation Date + Time : 2024-12-22 at 04:05:59 UT +/- 0.01 min [1]
Object Designation : (74789) 1999 SY5
Orbit Class : MBA
Star Designation : GDR3 3060600365220972928
Star Coordinates (ICRF) : RA = 07 27 45.5230, DE = -03 10 01.362 [2]
Star Magnitudes : G = 13.73 mag, RP = 13.23 mag, BP = 13.93 mag
Object Magnitude : V = 16.22 mag
Estimated Magnitude Drop : 2.6 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 4.6 km (src: astorb)
Speed of the shadow : 9.6 km/s
Elongation to Moon & Sun : 62° (sunlit = 57%), Sun = 146°
Cross-track uncertainty : 4.4 mas = 2 km = 0.60 path-width (1-sig)
RUWE and duplicate source : 25.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#52
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)
