2023-08-25 / TYC 0025-00961-1 / (144360) 2004 DF44
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Delincak
O-
VID
M400
SK
NTP
01:39:43
01:43:54
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 f8ecd340-ddb3-11f0-547e-bfeeecef263f for map and profile fit
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Event Details
Occultation UUID [and DB] : f8ecd340-ddb3-11f0-547e-bfeeecef263f [observed]
Occultation Date + Time : 2023-08-25 at 01:39:30 UT +/- 0.02 min [1]
Object Designation : (144360) 2004 DF44
Orbit Class : MBA
Star Designation : GDR3 2576172618806432128
Star Coordinates (ICRF) : RA = 01 07 15.1264, DE = +05 36 56.187 [2]
Star Magnitudes : G = 9.69 mag, RP = 9.23 mag, BP = 9.96 mag
Object Magnitude : V = 20.01 mag
Estimated Magnitude Drop : 10.3 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 3.9 km (src: astorb)
Speed of the shadow : 9.9 km/s
Elongation to Moon & Sun : 128° (sunlit = 57%), Sun = 134°
Cross-track uncertainty : 8.3 mas = 14 km = 3.78 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#33
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)
