2023-05-31 / UCAC4 308-088692 / (10172) Humphreys
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Delincak
O-
CCD
M400
SK
NTP
20:56:30
21:0:30.
2
show Daniel Blazewicz
O-
CCD
M350
PL
GPS
20:57:35
20:59:52
3
show Marcin Filipek
O-
VID
M250
PL
GPS
20:57:40
20:59:10
4
show Anna Marciniak
O-
CCD
M350
PL
GPS
20:57:40
20:59:52
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 4 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction a5c2d8e0-ddb3-11f0-547e-3b2f67f753c3 for map and profile fit
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Event Details
Occultation UUID [and DB] : a5c2d8e0-ddb3-11f0-547e-3b2f67f753c3 [observed]
Occultation Date + Time : 2023-05-31 at 20:55:17 UT +/- 0.0 min [1]
Object Designation : (10172) Humphreys
Orbit Class : MBA
Star Designation : GDR3 6041825435547326848
Star Coordinates (ICRF) : RA = 16 10 24.1753, DE = -28 34 10.540 [2]
Star Magnitudes : G = 10.53 mag, RP = 9.28 mag, BP = 12.24 mag
Object Magnitude : V = 17.31 mag
Estimated Magnitude Drop : 6.8 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 6.0 km (src: astorb)
Speed of the shadow : 10.9 km/s
Elongation to Moon & Sun : 38° (sunlit = 87%), Sun = 171°
Cross-track uncertainty : 0.5 mas = 0 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
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)
