2023-05-31 / UCAC4 359-156191 / (27157) 1998 YK27
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Sotirios Tsavdaridis
O-
CCD
T279
CY
GPS
21:46:08
21:48:08
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 a1c08a80-ddb3-11f0-547e-70231efa46f1 for map and profile fit
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Event Details
Occultation UUID [and DB] : a1c08a80-ddb3-11f0-547e-70231efa46f1 [observed]
Occultation Date + Time : 2023-05-31 at 21:40:38 UT +/- 0.01 min [1]
Object Designation : (27157) 1998 YK27
Orbit Class : MBA
Star Designation : GDR3 4093430353687836800
Star Coordinates (ICRF) : RA = 18 35 44.9627, DE = -18 16 31.345 [2]
Star Magnitudes : G = 12.89 mag, RP = 11.99 mag, BP = 13.73 mag
Object Magnitude : V = 18.37 mag
Estimated Magnitude Drop : 5.5 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 6.0 km (src: astorb)
Speed of the shadow : 8.8 km/s
Elongation to Moon & Sun : 70° (sunlit = 88%), Sun = 151°
Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#61
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)
