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2023-10-04 / UCAC4 626-026859 / (1637) Swings

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Karl-Ludwig Bath O+ CCD T180 DE NTP 00:18:00 00:20:06.300 00:20:09.300 00:22:00 0.5 0.5 3.00 31.2
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):
JPL#75 : 2473b560-ddb4-11f0-547e-e773f7ecf9ae [db: observed]

Using prediction 2473b560-ddb4-11f0-547e-e773f7ecf9ae for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-10-04, 00:20 UT (JD = 2460221.514)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 20581.510.270 232°, 26° 2.451253e68968.50.0° None2018-07-19 not scaled 2018-07-18
# 20591.510.270 43°, 37° 2.451253e68968.50.0° None2018-07-19 not scaled 2018-07-18
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] : 2473b560-ddb4-11f0-547e-e773f7ecf9ae [observed]

 Occultation Date + Time   : 2023-10-04 at 00:20:47 UT +/- 0.01 min  [1]
 Object Designation        : (1637) Swings
 Orbit Class               : MBA
 Star Designation          : GDR3 3449726979215474432
 Star Coordinates (ICRF)   : RA = 05 37 09.9645, DE = +35 06 43.143  [2]
 Star Magnitudes           : G = 13.86 mag, RP = 13.18 mag, BP = 14.4 mag
 Object Magnitude          : V = 16.12 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 4.4 sec
 Object Mean Diameter      : 45.5 km  (src: astorb)
 Speed of the shadow       : 10.4 km/s
 Elongation to Moon & Sun  : 16° (sunlit = 75%), Sun = 105°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#75
 Note                      : FP:true

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

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