Cora»Occultation

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

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	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)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 4610	1.0	8.279	149°, -12°	2.457401e6	3613.7	0.0°	None	2020-10-05	not scaled	2019-10-23
# 4611	1.0	8.279	319°, -23°	2.457401e6	3613.7	0.0°	None	2020-10-05	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

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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