2023-09-25 / UCAC4 423-001536 / (48469) 1991 TQ1
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Tomas Janik
O-
CCD
T432
CZ
GPS
23:12:40
23:15:00
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 15f16a00-ddb4-11f0-547e-14b7fbffa378 for map and profile fit
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Event Details
Occultation UUID [and DB] : 15f16a00-ddb4-11f0-547e-14b7fbffa378 [observed]
Occultation Date + Time : 2023-09-25 at 23:08:42 UT +/- 0.0 min [1]
Object Designation : (48469) 1991 TQ1
Orbit Class : MBA
Star Designation : GDR3 2482647403833625728
Star Coordinates (ICRF) : RA = 01 15 12.9072, DE = -05 31 55.923 [2]
Star Magnitudes : G = 11.3 mag, RP = 10.7 mag, BP = 11.67 mag
Object Magnitude : V = 15.34 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 6.3 km (src: astorb)
Speed of the shadow : 11.3 km/s
Elongation to Moon & Sun : 60° (sunlit = 83%), Sun = 162°
Cross-track uncertainty : 2.5 mas = 1 km = 0.25 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
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)
