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2022-12-30 / 4UC 550-034088 / (1940) Whipple

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Miguel Sanchez O+ CCD M200 ES NTP+ 22:57:14 23:02:51.14 23:02:53.88 23:07:14 0.22 0.22 2.74 34.2
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#55 (23-01-08) : 30a75844-6b7f-4691-b371-b227367ac0fd [db: observed]

Using prediction 30a75844-6b7f-4691-b371-b227367ac0fd for map and profile fit

Sky projection (artificial light) for occ. time: 2022-12-30, 23:02 UT (JD = 2459944.459)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 33551.06.595 134°, 55° 2.451355e68589.50.0° 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] : 30a75844-6b7f-4691-b371-b227367ac0fd [observed]

 Occultation Date + Time   : 2022-12-30 at 23:00:34 UT +/- 0.05 min  [1]
 Object Designation        : (1940) Whipple
 Star Designation          : GDR3 3365816615471211520
 Star Coordinates (ICRF)   : RA = 06 49 55.4757, DE = +19 59 17.076  [2]
 Star Magnitudes           : G = 14.43 mag, RP = 13.89 mag, BP = 14.8 mag
 Object Magnitude          : V = 15.09 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 2.7 sec
 Object Mean Diameter      : 34 km  (src: astorb+H10)
 Speed of the shadow       : 12.5 km/s
 Elongation to Moon & Sun  : 81° (sunlit = 60%), Sun = 176°
 Cross-track uncertainty   : 5.3 mas = 7 km = 0.22 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55 (23-01-08)

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

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