2023-04-03 / UCAC4 549-022827 / (216462) Polyphontes
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Roland BONINSEGNA
O-
VID
M300
BE
GPS
22:14:28
22:17:28
2
show Karim Saci
O-
VID
M250
FR
GPS
22:10:00
22:20:00
3
show Jean Bourgeois
O-
VID
M356
BE
GPS
22:15:2.
22:17:00
4
show Philip Denyer
O-
VID
M235
GB
GPS
22:15:05
22:16:50
5
show Tim Haymes
O-
VID
M280
GB
GPS
22:14:00
22:17:00
6
show Simon Kidd
O-
VID
M350
GB
GPS
22:14:46
22:16:45
7
show Alex Pratt
O-
VID
M280
GB
GPS
22:14:44
22:16:14
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 7 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 880ccc70-ddb3-11f0-547e-50cafaff6ada for map and profile fit
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Event Details
Occultation UUID [and DB] : 880ccc70-ddb3-11f0-547e-50cafaff6ada [observed]
Occultation Date + Time : 2023-04-03 at 22:12:38 UT +/- 0.06 min [1]
Object Designation : (216462) Polyphontes
Orbit Class : JTRO
Star Designation : GDR3 3374753102383817728
Star Coordinates (ICRF) : RA = 06 06 17.0059, DE = +19 38 39.903 [2]
Star Magnitudes : G = 11.77 mag, RP = 10.41 mag, BP = 14.08 mag
Object Magnitude : V = 20.38 mag
Estimated Magnitude Drop : 8.6 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 9.4 km (src: astorb)
Speed of the shadow : 19.6 km/s
Elongation to Moon & Sun : 77° (sunlit = 95%), Sun = 78°
Cross-track uncertainty : 17.3 mas = 61 km = 6.52 path-width (1-sig)
RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#31
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)
