2025-11-17 / UCAC4 659-016148 / (73972) 1998 BA18
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Anna Marciniak
O+
CCD
M400
PL
GPS
20:51:55
20:52:54.66
20:52:55.08
20:54:01
0.140
0.140
0.42
5.6
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 c381a5a0-ddb8-11f0-547e-274aff5f2953 for map and profile fit
Map with groundtrack and observer stations
Reset Map to default
Event Details
Occultation UUID [and DB] : c381a5a0-ddb8-11f0-547e-274aff5f2953 [observed]
Occultation Date + Time : 2025-11-17 at 20:51:11 UT +/- 0.0 min [1]
Object Designation : (73972) 1998 BA18
Orbit Class : MBA
Star Designation : GDR3 0237795610287119872
Star Coordinates (ICRF) : RA = 03 28 44.2820, DE = +41 47 03.563 [2]
Star Magnitudes : G = 14.03 mag, RP = 13.26 mag, BP = 14.67 mag
Object Magnitude : V = 18.67 mag
Estimated Magnitude Drop : 4.7 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 5.9 km (src: astorb)
Speed of the shadow : 13.4 km/s
Elongation to Moon & Sun : 145° (sunlit = 5%), Sun = 157°
Cross-track uncertainty : 0.7 mas = 1 km = 0.20 path-width (1-sig)
RUWE and duplicate source : 1.01 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)
