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2022-11-13 / 4UC 623-019487 / (588) Achilles

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show O. Canales et al O+ CCD M200 ES GPS++ 22:39:37 22:44:26.41 22:44:32.59 22:49:37 0.11 0.11 6.18 76.0
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#99 (23-01-08) : 8d4173e8-2b48-47a0-8a15-2056bedea93d [db: observed]

Using prediction 8d4173e8-2b48-47a0-8a15-2056bedea93d for map and profile fit

Sky projection (artificial light) for occ. time: 2022-11-13, 22:44 UT (JD = 2459897.444)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 39341.07.306 172°, -5° 2.451069e68828.40.0° None2019-09-26 not scaled 2019-05-07
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] : 8d4173e8-2b48-47a0-8a15-2056bedea93d [observed]

 Occultation Date + Time   : 2022-11-13 at 22:39:49 UT +/- 0.1 min  [1]
 Object Designation        : (588) Achilles
 Star Designation          : GDR3 0185781735263737728
 Star Coordinates (ICRF)   : RA = 04 58 09.0729, DE = +34 30 35.360  [2]
 Star Magnitudes           : G = 14.72 mag, RP = 13.78 mag, BP = 15.62 mag
 Object Magnitude          : V = 14.77 mag
 Estimated Magnitude Drop  : 0.8 mag
 Estimated Max. Duration   : 11.0 sec
 Object Mean Diameter      : 136 km  (src: astorb+H10)
 Speed of the shadow       : 12.3 km/s
 Elongation to Moon & Sun  : 36° (sunlit = 74%), Sun = 152°
 Cross-track uncertainty   : 3.3 mas = 8 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#99 (23-01-08)

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

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