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2025-12-05 / UCAC4 524-016154 / (1461) Jean-Jacques

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Carles Schnabel O+ VID M400 ES GPS 05:31:16 05:32:15.2 05:32:16.6 05:33:25 0.300 0.400 1.40 17.9
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#76 : d50486d0-ddb8-11f0-547e-7fc6f7df4903 [db: observed]

Using prediction d50486d0-ddb8-11f0-547e-7fc6f7df4903 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-12-05, 05:31 UT (JD = 2461014.730)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 46101.08.279 149°, -12° 2.457401e63613.70.0° None2020-10-05 not scaled 2019-10-23
# 46111.08.279 319°, -23° 2.457401e63613.70.0° 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] : d50486d0-ddb8-11f0-547e-7fc6f7df4903 [observed]

 Occultation Date + Time   : 2025-12-05 at 05:36:46 UT +/- 0.01 min  [1]
 Object Designation        : (1461) Jean-Jacques
 Orbit Class               : MBA
 Star Designation          : GDR3 3347504902144722176
 Star Coordinates (ICRF)   : RA = 05 47 21.9263, DE = +14 37 08.443  [2]
 Star Magnitudes           : G = 14.96 mag, RP = 14.27 mag, BP = 15.49 mag
 Object Magnitude          : V = 14.44 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 2.6 sec
 Object Mean Diameter      : 33.3 km  (src: astorb)
 Speed of the shadow       : 12.8 km/s
 Elongation to Moon & Sun  : 17° (sunlit = 100%), Sun = 164°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#76
 Note                      : FP:true

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

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