2023-04-02 / UCAC4 497-046066 / (9338) 1991 FL4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Tim Haymes
O-
VID
M280
GB
GPS
22:53:01
22:56:01
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 80d3e420-ddb3-11f0-547e-511097fddce0 for map and profile fit
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Event Details
Occultation UUID [and DB] : 80d3e420-ddb3-11f0-547e-511097fddce0 [observed]
Occultation Date + Time : 2023-04-02 at 22:44:34 UT +/- 0.0 min [1]
Object Designation : (9338) 1991 FL4
Orbit Class : MBA
Star Designation : GDR3 3148556725593688320
Star Coordinates (ICRF) : RA = 07 42 25.4721, DE = +09 19 51.777 [2]
Star Magnitudes : G = 12.93 mag, RP = 12.33 mag, BP = 13.37 mag
Object Magnitude : V = 18.79 mag
Estimated Magnitude Drop : 5.9 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 10.7 km (src: astorb)
Speed of the shadow : 9.3 km/s
Elongation to Moon & Sun : 43° (sunlit = 90%), Sun = 103°
Cross-track uncertainty : 0.1 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
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)
