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 |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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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
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