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2025-04-16 / UCAC4 573-034986 / (2248) Kanda

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jiri Polak O+ VID M303 CZ GPS 22:12:50 22:14:20.52 22:14:21.64 22:15:50 0.04 0.04 1.12 26.4
2 show Jiri Kubanek O+ VID M303 CZ GPS 22:12:50 22:14:20.40 22:14:20.83 22:15:50 0.11 0.11 0.43 10.1
3 show Karel Halir O+ VID 500 CZ GPS 22:12:50 22:14:20.34 22:14:21.30 22:15:50 0.04 0.04 0.96 22.7
4 show Michal Rottenborn O+ VID M254 CZ GPS 22:12:20 22:14:20.08 22:14:21.58 22:16:20 0.05 0.05 1.50 35.4
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

4 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#63 : d2d2fed0-8802-11ef-78cd-398a75fa24e4 [db: asteroids]

Using prediction d2d2fed0-8802-11ef-78cd-398a75fa24e4 for map and profile fit

Get observations as KML file (reduced site location resolution)

Ellipse and circular profile fits to the timings (chords)

 Auto-Fit Result:
Size = 36 x 18 km
a',b' = 17.9, 8.9 km
X0,Y0 = -519.0, 23.0 km
Mean diameter = 25 km

From 4 chords (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.

Sky projection (artificial light) for occ. time: 2025-04-16, 22:14 UT (JD = 2460782.426)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 48571.024.737 128°, -62° 2.457482e63300.40.0° None2020-10-05 not scaled 2019-10-23
# 48581.024.737 310°, -83° 2.457482e63300.40.0° None2020-10-05 not scaled 2019-10-23
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

   
Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details 
 Occultation UUID [and DB] : d2d2fed0-8802-11ef-78cd-398a75fa24e4 [asteroids]

 Occultation Date + Time   : 2025-04-16 at 22:11:47 UT +/- 0.0 min  [1]
 Object Designation        : (2248) Kanda
 Orbit Class               : MBA
 Star Designation          : GDR3 3381213351670512768
 Star Coordinates (ICRF)   : RA = 06 51 04.6524, DE = +24 29 07.755  [2]
 Star Magnitudes           : G = 12.93 mag, RP = 12.33 mag, BP = 13.35 mag
 Object Magnitude          : V = 17.11 mag
 Estimated Magnitude Drop  : 4.2 mag
 Estimated Max. Duration   : 1.1 sec
 Object Mean Diameter      : 25.1 km  (src: astorb)
 Speed of the shadow       : 23.6 km/s
 Elongation to Moon & Sun  : 148° (sunlit = 87%), Sun = 74°
 Cross-track uncertainty   : 0.5 mas = 1 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 2.83 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

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

More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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