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2021-12-10 / 4UC 638-033862 / (573) Recha

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Malcolm Jennings O+ VID M276 UK RAD++ 20:05:00 20:10:29.26 20:10:31.98 20:15:00 0.61 0.61 2.72 32.1
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#61 : b1ab61c1-24a2-412c-9039-d412928c9f88 [db: observed]
JPL#61 : cdcdfa11-5989-46ed-96f8-688543d05a68 [db: observed]

Using prediction b1ab61c1-24a2-412c-9039-d412928c9f88 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2021-12-10, 20:10 UT (JD = 2459559.340)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 3652.07.166 76°, -26° 2.450883e68676.30.0° None2017-04-03 not scaled 2017-03-31
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] : b1ab61c1-24a2-412c-9039-d412928c9f88 [observed]

 Occultation Date + Time   : 2021-12-10 at 20:04:49 UT +/- 0.02 min  [1]
 Object Designation        : (573) Recha
 Orbit Class               : MBA
 Star Designation          : GDR3 0955902528584097920
 Star Coordinates (ICRF)   : RA = 06 17 10.5272, DE = +37 29 51.959  [2]
 Star Magnitudes           : G = 14.41 mag, RP = 13.83 mag, BP = 14.83 mag
 Object Magnitude          : V = 13.84 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 4.1 sec
 Object Mean Diameter      : 48 km  (src: astorb)
 Speed of the shadow       : 11.8 km/s
 Elongation to Moon & Sun  : 108° (sunlit = 48%), Sun = 160°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61

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

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