2020-09-27 / 4UC 466-126158 / (110989) 2001 US197
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Tim Haymes
O+
CCD
M279
UK
GPS++
22:20:00
22:21:40.49
22:21:41.24
22:23:00
0.10
0.05
0.75
5.8
2
show Alex Pratt
O-
VID
M279
UK
22:20:59
22:22:08
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 27ed3997-b8de-45c4-8efd-acebb70d27e6 for map and profile fit
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Event Details
Occultation UUID [and DB] : 27ed3997-b8de-45c4-8efd-acebb70d27e6 [observed]
Occultation Date + Time : 2020-09-27 at 22:32:00 UT +/- 2.88 min [1]
Object Designation : (110989) 2001 US197
Star Designation : GDR3 4232804241462150144
Star Coordinates (ICRF) : RA = 20 31 03.0663, DE = +03 11 20.375 [2]
Star Magnitudes : G = 12.3 mag, RP = 11.52 mag, BP = 12.96 mag
Object Magnitude : V = 20.23 mag
Estimated Magnitude Drop : 7.9 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 4 km (src: astorb+H10)
Speed of the shadow : 7.7 km/s
Elongation to Moon & Sun : 28° (sunlit = 86%), Sun = 123°
Cross-track uncertainty : 19.0 mas = 35 km = 9.70 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#26 (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)