2023-09-09 / UCAC4 378-144908 / (51938) 2001 QL159
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Serge Dramonis
O-
VID
M400
GR
GPS
18:52:44
18:54:00
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 05f13130-ddb4-11f0-547e-5acaff8f857b for map and profile fit
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Event Details
Occultation UUID [and DB] : 05f13130-ddb4-11f0-547e-5acaff8f857b [observed]
Occultation Date + Time : 2023-09-09 at 19:03:23 UT +/- 0.02 min [1]
Object Designation : (51938) 2001 QL159
Orbit Class : MBA
Star Designation : GDR3 4101432496236313856
Star Coordinates (ICRF) : RA = 18 59 39.8032, DE = -14 24 24.986 [2]
Star Magnitudes : G = 12.96 mag, RP = 12.41 mag, BP = 13.33 mag
Object Magnitude : V = 19.32 mag
Estimated Magnitude Drop : 6.4 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 6.0 km (src: astorb)
Speed of the shadow : 6.8 km/s
Elongation to Moon & Sun : 166° (sunlit = 23%), Sun = 117°
Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
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)
