2020-12-31 / 4UC 481-049525 / (465) Alekto
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Lindner
O+
CCD
M305
DE
GPS++
02:04:12
02:06:40.26
02:07:02.32
02:10:10
0.75
0.45
22.06
75.0
2
show Anna Marciniak
O-
CCD
M400
PL
02:02:17
02:12:04
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 4fc6904f-0162-46c2-81a7-33fb43708d0f for map and profile fit
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Event Details
Occultation UUID [and DB] : 4fc6904f-0162-46c2-81a7-33fb43708d0f [observed]
Occultation Date + Time : 2020-12-31 at 02:28:41 UT +/- 0.15 min [1]
Object Designation : (465) Alekto
Star Designation : GDR3 3859370033508047360
Star Coordinates (ICRF) : RA = 10 39 40.7569, DE = +06 07 09.780 [2]
Star Magnitudes : G = 14.43 mag, RP = 13.79 mag, BP = 14.91 mag
Object Magnitude : V = 14.8 mag
Estimated Magnitude Drop : 1.0 mag
Estimated Max. Duration : 21.6 sec
Object Mean Diameter : 73 km (src: astorb+H10)
Speed of the shadow : 3.4 km/s
Elongation to Moon & Sun : 48° (sunlit = 99%), Sun = 121°
Cross-track uncertainty : 6.7 mas = 10 km = 0.15 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60 (23-01-08)
[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)