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2026-02-20 / UCAC4 399-051893 / (227) Philosophia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Daniel Antuszewicz O+ VID M300 PL NTP 04:11:52 04:12:43.4 04:12:54.5 04:13:50 0.300 0.200 11.10 68.8
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#78 : f6c4b980-de6b-11f0-4858-16cf7e3fc662 [db: asteroids]

Using prediction f6c4b980-de6b-11f0-4858-16cf7e3fc662 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2026-02-20, 04:12 UT (JD = 2461091.675)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 18733.026.461 95°, 19° 2.454048e67043.70.0° None2018-03-22 107.0 +/- 5.0 km 2018-03-22
# 18743.026.461 272°, -1° 2.454048e67043.70.0° None2018-03-22 108.0 +/- 5.0 km 2018-03-22
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] : f6c4b980-de6b-11f0-4858-16cf7e3fc662 [asteroids]

 Occultation Date + Time   : 2026-02-20 at 04:25:17 UT +/- 0.03 min  [1]
 Object Designation        : (227) Philosophia
 Orbit Class               : MBA
 Star Designation          : GDR3 3578013597895262464
 Star Coordinates (ICRF)   : RA = 12 24 41.2419, DE = -10 17 38.686  [2]
 Star Magnitudes           : G = 13.11 mag, RP = 12.64 mag, BP = 13.41 mag
 Object Magnitude          : V = 13.48 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 14.0 sec
 Object Mean Diameter      : 87.3 km  (src: astorb)
 Speed of the shadow       : 6.2 km/s
 Elongation to Moon & Sun  : 173° (sunlit = 8%), Sun = 141°
 Cross-track uncertainty   : 3.7 mas = 5 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#78
 Note                      : FP:true

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

More Data and Informations
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