2025-12-10 / UCAC4 652-012872 / (73972) 1998 BA18
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O-
VID
M350
ES
NTP
20:38:39
::
::
20:40:39
2
show Manuel Alfonso Coya Lozano, Juan Collada Barcena
O-
CCD
M356
ES
GPS
20:38:25
::
::
20:40:25
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction d57d3940-ddb8-11f0-547e-dfa0ffffd5e9 for map and profile fit
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Event Details
Occultation UUID [and DB] : d57d3940-ddb8-11f0-547e-dfa0ffffd5e9 [observed]
Occultation Date + Time : 2025-12-10 at 20:37:43 UT +/- 0.01 min [1]
Object Designation : (73972) 1998 BA18
Orbit Class : MBA
Star Designation : GDR3 0239056440883593472
Star Coordinates (ICRF) : RA = 03 07 31.6731, DE = +40 12 41.266 [2]
Star Magnitudes : G = 14.44 mag, RP = 13.69 mag, BP = 15.06 mag
Object Magnitude : V = 18.8 mag
Estimated Magnitude Drop : 4.4 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5.9 km (src: astorb)
Speed of the shadow : 11.8 km/s
Elongation to Moon & Sun : 100° (sunlit = 60%), Sun = 149°
Cross-track uncertainty : 0.7 mas = 1 km = 0.20 path-width (1-sig)
RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#53
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)
