2023-03-31 / TYC 0776-00409-1 / (186263) 2001 YL44
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Alberto Ossola
O-
VID
M230
CH
GPS
19:22:48
19:25:01
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 7fa5eb70-ddb3-11f0-547e-13c727ca0219 for map and profile fit
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Event Details
Occultation UUID [and DB] : 7fa5eb70-ddb3-11f0-547e-13c727ca0219 [observed]
Occultation Date + Time : 2023-03-31 at 19:21:22 UT +/- 0.01 min [1]
Object Designation : (186263) 2001 YL44
Orbit Class : MBA
Star Designation : GDR3 3163615705566440064
Star Coordinates (ICRF) : RA = 07 28 17.6893, DE = +13 36 15.384 [2]
Star Magnitudes : G = 9.03 mag, RP = 8.84 mag, BP = 9.12 mag
Object Magnitude : V = 20.86 mag
Estimated Magnitude Drop : 11.8 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 3.3 km (src: astorb)
Speed of the shadow : 7.4 km/s
Elongation to Moon & Sun : 23° (sunlit = 75%), Sun = 101°
Cross-track uncertainty : 1.3 mas = 2 km = 0.83 path-width (1-sig)
RUWE and duplicate source : 0.87 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
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)
