2023-12-23 / UCAC4 528-036735 / (437296) 2013 BK40
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
CCD
M200
ES
NTP
23:12:10
23:16:10
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 3402bd20-c341-11ef-5276-b0b9bbff85ed for map and profile fit
Map with groundtrack and observer stations
Occ by (437296) 2013 BK40 on 2023-12-23
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Event Details
Occultation UUID [and DB] : 3402bd20-c341-11ef-5276-b0b9bbff85ed [observed]
Occultation Date + Time : 2023-12-23 at 23:11:24 UT +/- 0.17 min [1]
Object Designation : (437296) 2013 BK40
Orbit Class : JTRO
Star Designation : GDR3 3354786486620386944
Star Coordinates (ICRF) : RA = 06 59 15.6993, DE = +15 27 59.470 [2]
Star Magnitudes : G = 11.19 mag, RP = 10.51 mag, BP = 11.72 mag
Object Magnitude : V = 20.77 mag
Estimated Magnitude Drop : 9.6 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 5.3 km (src: astorb)
Speed of the shadow : 15.8 km/s
Elongation to Moon & Sun : 50° (sunlit = 90%), Sun = 166°
Cross-track uncertainty : 32.7 mas = 92 km = 17.50 path-width (1-sig)
RUWE and duplicate source : 0.84 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#31
[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)
