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2024-09-20 / UCAC4 588-022487 / (578) Happelia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Arnaud Leroy O+ VID M250 FR GPS 03:57:16 03:58:44.23 03:58:49.01 04:00:16 0.05 0.05 4.78 69.3
2 show Roland BONINSEGNA O- VID M400 BE GPS 03:57:56 03:59:55
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#141 : d3befb80-c355-11ef-5276-f3d6f7debf39 [db: observed]
JPL#141 : d3bf2290-c355-11ef-5276-5db0f8bf2c74 [db: observed]
JPL#139 : 86584bf0-85f5-11ef-78cd-faf7dfcf8c18 [db: asteroids]

Using prediction d3befb80-c355-11ef-5276-f3d6f7debf39 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-09-20, 03:58 UT (JD = 2460573.665)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 660None10.064 339°, 62° 2.450857e69716.70.0° NoneNone 70.0 +/- 5.0 km 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

Occ by (578) Happelia on 2024-09-20

Unavailable
100 km

Event Details
 Occultation UUID [and DB] : d3befb80-c355-11ef-5276-f3d6f7debf39 [observed]

 Occultation Date + Time   : 2024-09-20 at 03:54:53 UT +/- 0.0 min  [1]
 Object Designation        : (578) Happelia
 Orbit Class               : MBA
 Star Designation          : GDR3 3430968761086449792
 Star Coordinates (ICRF)   : RA = 05 53 00.9624, DE = +27 35 47.708  [2]
 Star Magnitudes           : G = 15.56 mag, RP = 14.41 mag, BP = 15.71 mag
 Object Magnitude          : V = 15.34 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 4.8 sec
 Object Mean Diameter      : 69.3 km  (src: astorb)
 Speed of the shadow       : 14.5 km/s
 Elongation to Moon & Sun  : 62° (sunlit = 94%), Sun = 89°
 Cross-track uncertainty   : 0.5 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.32 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#141

 Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations
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