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2024-12-31 / UCAC4 657-030778 / (1013) Tombecka

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jordi Marco O+ CCD M235 ES NTP 21:48:54 21:50:49.4 21:50:53.9 21:52:51 1.0 0.5 4.50 33.8
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#57 : 09f15a00-86a6-11ef-78cd-0dfcf79f47b8 [db: asteroids]
JPL#57 : eeeadc80-82dc-11ef-6618-9016d1edfd04 [db: asteroids]

Using prediction 09f15a00-86a6-11ef-78cd-0dfcf79f47b8 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-12-31, 21:49 UT (JD = 2460676.409)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 23571.56.050 244°, 34° 2.449308e611368.40.0° None2018-07-19 not scaled 2018-07-18
# 23581.56.050 54°, 46° 2.449308e611368.40.0° None2018-07-19 not scaled 2018-07-18
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] : 09f15a00-86a6-11ef-78cd-0dfcf79f47b8 [asteroids]

 Occultation Date + Time   : 2024-12-31 at 21:49:29 UT +/- 0.01 min  [1]
 Object Designation        : (1013) Tombecka
 Orbit Class               : MBA
 Star Designation          : GDR3 0201089995141675136
 Star Coordinates (ICRF)   : RA = 05 10 21.9370, DE = +41 21 43.359  [2]
 Star Magnitudes           : G = 13.94 mag, RP = 13.14 mag, BP = 14.63 mag
 Object Magnitude          : V = 13.18 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 4.2 sec
 Object Mean Diameter      : 32 km  (src: astorb)
 Speed of the shadow       : 7.5 km/s
 Elongation to Moon & Sun  : 145° (sunlit = 1%), Sun = 153°
 Cross-track uncertainty   : 1.0 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57

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

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