2023-08-26 / UCAC4 424-131508 / (1708) Polit
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Daniel Antuszewicz
O+
VID
M200
PL
NTP
20:30:38
20:31:38.02
20:31:39.64
20:32:36
0.12
0.18
1.62
21.1
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 f7b58bc0-ddb3-11f0-547e-c9da77e63528 for map and profile fit
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Event Details
Occultation UUID [and DB] : f7b58bc0-ddb3-11f0-547e-c9da77e63528 [observed]
Occultation Date + Time : 2023-08-26 at 20:32:30 UT +/- 0.0 min [1]
Object Designation : (1708) Polit
Orbit Class : MBA
Star Designation : GDR3 2621063926221825152
Star Coordinates (ICRF) : RA = 22 07 44.6801, DE = -05 12 01.676 [2]
Star Magnitudes : G = 13.04 mag, RP = 12.35 mag, BP = 13.57 mag
Object Magnitude : V = 15.72 mag
Estimated Magnitude Drop : 2.8 mag
Estimated Max. Duration : 2.3 sec
Object Mean Diameter : 29.3 km (src: astorb)
Speed of the shadow : 13.0 km/s
Elongation to Moon & Sun : 59° (sunlit = 76%), Sun = 174°
Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.29 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#70
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)
