2021-07-29 / 4UC 391-075909 / (24022) 1999 RA144
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Marcin Filipek
O+
CCD
M250
PL
GPS++
21:25:30
21:26:37.98
21:26:39.58
21:28:00
0.20
0.20
1.60
12.6
2
show Jiri Kubanek
O-
CCD
M303
CZ
21:25:20
21:29:47
3
show Daniel Blazewicz
O-
CCD
M350
PL
21:22:13
21:28:02
4
show Leszek Benedyktowicz
O-
CCD
M203
PL
21:25:55
21:27:48
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: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 7e0976fa-0da4-4165-951a-5d5e5a9e553a for map and profile fit
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Event Details
Occultation UUID [and DB] : 7e0976fa-0da4-4165-951a-5d5e5a9e553a [observed]
Occultation Date + Time : 2021-07-29 at 21:34:01 UT +/- 0.11 min [1]
Object Designation : (24022) 1999 RA144
Orbit Class : JTRO
Star Designation : GDR3 4162795969603107968
Star Coordinates (ICRF) : RA = 17 30 40.2418, DE = -11 56 23.378 [2]
Star Magnitudes : G = 12.59 mag, RP = 11.96 mag, BP = 13.06 mag
Object Magnitude : V = 19.37 mag
Estimated Magnitude Drop : 6.8 mag
Estimated Max. Duration : 1.6 sec
Object Mean Diameter : 12 km (src: astorb)
Speed of the shadow : 7.9 km/s
Elongation to Moon & Sun : 116° (sunlit = 66%), Sun = 135°
Cross-track uncertainty : 4.0 mas = 11 km = 0.98 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#33
[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)