2025-09-11 / UCAC4 665-009339 / (194839) 2002 AB4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Oscar Canales
O-
CCD
M200
ES
GPS
21:15:58
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::
21:17:28
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
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Using prediction 6c2345d0-ddb7-11f0-547e-4bf1ff7dccce for map and profile fit
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Event Details
Occultation UUID [and DB] : 6c2345d0-ddb7-11f0-547e-4bf1ff7dccce [observed]
Occultation Date + Time : 2025-09-11 at 21:05:04 UT +/- 0.07 min [1]
Object Designation : (194839) 2002 AB4
Orbit Class : MBA
Star Designation : GDR3 0345627361320076928
Star Coordinates (ICRF) : RA = 02 09 14.0539, DE = +42 56 25.010 [2]
Star Magnitudes : G = 12.49 mag, RP = 12.03 mag, BP = 12.78 mag
Object Magnitude : V = 19.45 mag
Estimated Magnitude Drop : 7.0 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 3.6 km (src: astorb)
Speed of the shadow : 5.7 km/s
Elongation to Moon & Sun : 24° (sunlit = 78%), Sun = 119°
Cross-track uncertainty : 0.7 mas = 1 km = 0.28 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#45
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)
