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2024-10-23 / UCAC4 409-088978 / (3139) Shantou

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Rui Goncalves O+ VID M256 PT GPS 19:49:55 19:50:55.84 19:50:57.12 19:52:01 0.16 0.16 1.28 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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#72 : 21d52590-c358-11ef-5276-e8c37f1ab086 [db: observed]
JPL#70 : b5ffed30-88a3-11ef-78cd-cb1057f98d5b [db: asteroids]
JPL#70 : 8b687e50-8378-11ef-6618-d07ffec2ee5e [db: asteroids]

Using prediction 21d52590-c358-11ef-5276-e8c37f1ab086 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-10-23, 19:49 UT (JD = 2460607.326)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 51221.08.278 51°, 24° 2.457278e63329.30.0° None2020-10-05 not scaled 2019-10-23
# 51231.08.278 219°, 3° 2.457278e63329.30.0° None2020-10-05 not scaled 2019-10-23
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] : 21d52590-c358-11ef-5276-e8c37f1ab086 [observed]

 Occultation Date + Time   : 2024-10-23 at 19:48:47 UT +/- 0.0 min  [1]
 Object Designation        : (3139) Shantou
 Orbit Class               : MBA
 Star Designation          : GDR3 4251626063856770176
 Star Coordinates (ICRF)   : RA = 18 46 56.7080, DE = -08 18 21.592  [2]
 Star Magnitudes           : G = 13.0 mag, RP = 12.09 mag, BP = 13.86 mag
 Object Magnitude          : V = 16.96 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 1.7 sec
 Object Mean Diameter      : 42 km  (src: astorb)
 Speed of the shadow       : 25.1 km/s
 Elongation to Moon & Sun  : 157° (sunlit = 55%), Sun = 72°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.82 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72

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

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