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2024-06-29 / UCAC4 312-177579 / (406) Erna

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Ferran Casarramona O+ VID M200 ES GPS 01:48:02 01:49:41.51 01:49:45.1 01:51:01 2.00 2.00 3.59 39.5
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#69 : 4cc3d240-c34b-11ef-5276-706167e7a1a5 [db: observed]
JPL#69 : 4cc42060-c34b-11ef-5276-8dcf7bb49233 [db: observed]
JPL#65 : 00f30aa0-11dc-11ef-67cb-491297fddc71 [db: asteroids]
JPL#65 : 00f3f500-11dc-11ef-67cb-a489df8ce07c [db: asteroids]

Using prediction 4cc3d240-c34b-11ef-5276-706167e7a1a5 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-06-29, 01:49 UT (JD = 2460490.576)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 482None8.791 357°, -49° 2.450922e69568.60.0° NoneNone not scaled 2013-02-11
# 483None8.791 161°, -60° 2.450922e69568.60.0° NoneNone not scaled 2013-02-11
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] : 4cc3d240-c34b-11ef-5276-706167e7a1a5 [observed]

 Occultation Date + Time   : 2024-06-29 at 01:55:49 UT +/- 0.01 min  [1]
 Object Designation        : (406) Erna
 Orbit Class               : MBA
 Star Designation          : GDR3 4052399367299255680
 Star Coordinates (ICRF)   : RA = 18 14 21.4339, DE = -27 45 04.216  [2]
 Star Magnitudes           : G = 14.57 mag, RP = 18.21 mag, BP = 19.44 mag
 Object Magnitude          : V = 14.06 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 4.5 sec
 Object Mean Diameter      : 49 km  (src: astorb)
 Speed of the shadow       : 11.0 km/s
 Elongation to Moon & Sun  : 97° (sunlit = 48%), Sun = 174°
 Cross-track uncertainty   : 2.8 mas = 3 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 8.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#69

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

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