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2022-11-09 / 4UC 421-003687 / (523643) 2010 TY53

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Roland Boninsegna O+ VID M400 BE GPS++ 20:05:45 20:08:24.4 20:08:42.0 20:10:44 1.0 1.0 17.60 422.4
2 show Peter Tickner O+ CCD M356 UK GPS+ 20:06:54 20:08:31.6 20:08:49.6 20:11:22 1.3 1.3 18.00 432.0
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#24 (23-01-08) : a47e7e5e-de72-4611-997b-6a06b5c24df3 [db: observed]
JPL#23 (22-10-21) : 30706fa2-4881-486b-9218-e990d335fb36 [db: cetnos]

Using prediction a47e7e5e-de72-4611-997b-6a06b5c24df3 for map and profile fit

Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result:
X0,Y0 = 989.0, -1016.2 km
Circular diameter = 442 km

From 2 chords (CCD,VID)








You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS).
If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser).

Check SiMDA for size and mass data.

Check Johnston Archive for satellites.

Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : a47e7e5e-de72-4611-997b-6a06b5c24df3 [observed]

 Occultation Date + Time   : 2022-11-09 at 20:07:02 UT +/- 0.38 min  [1]
 Object Designation        : (523643) 2010 TY53
 Star Designation          : GDR3 5181071142823746560
 Star Coordinates (ICRF)   : RA = 03 01 08.6038, DE = -05 50 47.651  [2]
 Star Magnitudes           : G = 14.93 mag, RP = 14.31 mag, BP = 15.37 mag
 Object Magnitude          : V = 19.96 mag
 Estimated Magnitude Drop  : 5.0 mag
 Estimated Max. Duration   : 11.3 sec
 Object Mean Diameter      : 270 km  (src: astorb+H10)
 Speed of the shadow       : 24.0 km/s
 Elongation to Moon & Sun  : 32° (sunlit = 98%), Sun = 157°
 Cross-track uncertainty   : 23.7 mas = 455 km = 1.69 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#24 (23-01-08)

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations
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