Cora»Occultation

2023-11-17 / UCAC4 581-005411 / (1244) Deira

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Yves Argentin	O+	VID	M305	FR	GPS	22:17:36	22:18:04.210	22:18:07.570	22:18:35	0.02	0.02	3.36	39.3
2	show	Michel Boutet	O-	VID	M300	FR	GPS	22:14:57			22:21:00

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#75 : 3950be10-ddb4-11f0-547e-fccc1effa284 [db: observed]

Using prediction 3950be10-ddb4-11f0-547e-fccc1effa284 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-11-17, 22:18 UT (JD = 2460266.429)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 991	None	216.980	107°, -56°	2.451081e6	9185.4	0.0°	None	None	not scaled	2016-01-04
# 992	None	216.980	314°, -46°	2.451081e6	9185.4	0.0°	None	None	not scaled	2016-01-04

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] : 3950be10-ddb4-11f0-547e-fccc1effa284 [observed] Occultation Date + Time : 2023-11-17 at 22:18:54 UT +/- 0.0 min [1] Object Designation : (1244) Deira Orbit Class : MBA Star Designation : GDR3 0103259848544284672 Star Coordinates (ICRF) : RA = 02 27 57.6273, DE = +26 04 21.160 [2] Star Magnitudes : G = 11.8 mag, RP = 11.01 mag, BP = 12.48 mag Object Magnitude : V = 14.97 mag Estimated Magnitude Drop : 3.2 mag Estimated Max. Duration : 2.7 sec Object Mean Diameter : 30.9 km (src: astorb) Speed of the shadow : 11.7 km/s Elongation to Moon & Sun : 111° (sunlit = 23%), Sun = 164° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#75 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 3950be10-ddb4-11f0-547e-fccc1effa284 [observed] Occultation Date + Time : 2023-11-17 at 22:18:54 UT +/- 0.0 min [1] Object Designation : (1244) Deira Orbit Class : MBA Star Designation : GDR3 0103259848544284672 Star Coordinates (ICRF) : RA = 02 27 57.6273, DE = +26 04 21.160 [2] Star Magnitudes : G = 11.8 mag, RP = 11.01 mag, BP = 12.48 mag Object Magnitude : V = 14.97 mag Estimated Magnitude Drop : 3.2 mag Estimated Max. Duration : 2.7 sec Object Mean Diameter : 30.9 km (src: astorb) Speed of the shadow : 11.7 km/s Elongation to Moon & Sun : 111° (sunlit = 23%), Sun = 164° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#75 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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