2023-12-19 / UCAC4 536-022071 / (353179) 2009 RA12
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show
Deborah Smith
O-
CCD
M235
ES
NTP
00:30:43
00:34:43
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 f62da512-6d23-4391-88dc-cb7d4d3ce8bb for map and profile fit
Map with groundtrack and observer stations
Occ by (353179) 2009 RA12 on 2023-12-19
Reset Map to default
Event Details
Occultation UUID [and DB] : f62da512-6d23-4391-88dc-cb7d4d3ce8bb [observed]
Occultation Date + Time : 2023-12-19 at 00:33:00 UT +/- 0.17 min [1]
Object Designation : (353179) 2009 RA12
Orbit Class : JTRO
Star Designation : GDR3 3349807687511594752
Star Coordinates (ICRF) : RA = 05 57 46.4927, DE = +17 09 34.527 [2]
Star Magnitudes : G = 12.88 mag, RP = 12.04 mag, BP = 13.63 mag
Object Magnitude : V = 20.46 mag
Estimated Magnitude Drop : 7.6 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 5.7 km (src: astorb)
Speed of the shadow : 16.4 km/s
Elongation to Moon & Sun : 102° (sunlit = 41%), Sun = 173°
Cross-track uncertainty : 32.0 mas = 90 km = 15.90 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#18
[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)