2024-09-12 / UCAC4 472-005824 / (1796) Riga
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Daniel Antuszewicz
O-
VID
M200
PL
NTP
01:42:20
01:44:17
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 5cf75ee0-ddb5-11f0-547e-48bde6fcd0e9 for map and profile fit
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Event Details
Occultation UUID [and DB] : 5cf75ee0-ddb5-11f0-547e-48bde6fcd0e9 [observed]
Occultation Date + Time : 2024-09-12 at 01:50:15 UT +/- 0.01 min [1]
Object Designation : (1796) Riga
Orbit Class : MBA
Star Designation : GDR3 3272354141377959936
Star Coordinates (ICRF) : RA = 03 57 21.9063, DE = +04 19 22.784 [2]
Star Magnitudes : G = 14.13 mag, RP = 13.38 mag, BP = 14.74 mag
Object Magnitude : V = 15.89 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 6.4 sec
Object Mean Diameter : 73.8 km (src: astorb)
Speed of the shadow : 11.6 km/s
Elongation to Moon & Sun : 142° (sunlit = 59%), Sun = 111°
Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#79
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)
