Cora»Occultation

2025-10-05 / UCAC4 572-030769 / (243) Ida

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Deborah Smith, Eric Smith	O+	VID	M150	ES	GPS	02:45:10	02:47:10.245	02:47:13.245	02:49:11	0.518	0.518	3.00	43.5
2	show	Deborah Smith	O-	VID	M300	ES	GPS	02:45:24	::	::	02:49:24

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#189 : 82616fb0-ddb8-11f0-547e-23aaafef9657 [db: observed]

Using prediction 82616fb0-ddb8-11f0-547e-23aaafef9657 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-10-05, 02:46 UT (JD = 2460953.615)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 772	None	4.634	259°, -66°	2.444498e6	16455.6	0.0°	None	None	not scaled	2013-10-15
# 773	None	4.634	74°, -61°	2.444498e6	16455.6	0.0°	None	None	not scaled	2013-10-15

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] : 82616fb0-ddb8-11f0-547e-23aaafef9657 [observed] Occultation Date + Time : 2025-10-05 at 02:51:41 UT +/- 0.01 min [1] Object Designation : (243) Ida Orbit Class : MBA Star Designation : GDR3 3382756000845715456 Star Coordinates (ICRF) : RA = 06 33 22.0800, DE = +24 22 23.553 [2] Star Magnitudes : G = 14.92 mag, RP = 14.42 mag, BP = 15.25 mag Object Magnitude : V = 15.27 mag Estimated Magnitude Drop : 0.9 mag Estimated Max. Duration : 1.9 sec Object Mean Diameter : 28.0 km (src: astorb) Speed of the shadow : 14.5 km/s Elongation to Moon & Sun : 113° (sunlit = 94%), Sun = 95° Cross-track uncertainty : 0.4 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#189 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 82616fb0-ddb8-11f0-547e-23aaafef9657 [observed] Occultation Date + Time : 2025-10-05 at 02:51:41 UT +/- 0.01 min [1] Object Designation : (243) Ida Orbit Class : MBA Star Designation : GDR3 3382756000845715456 Star Coordinates (ICRF) : RA = 06 33 22.0800, DE = +24 22 23.553 [2] Star Magnitudes : G = 14.92 mag, RP = 14.42 mag, BP = 15.25 mag Object Magnitude : V = 15.27 mag Estimated Magnitude Drop : 0.9 mag Estimated Max. Duration : 1.9 sec Object Mean Diameter : 28.0 km (src: astorb) Speed of the shadow : 14.5 km/s Elongation to Moon & Sun : 113° (sunlit = 94%), Sun = 95° Cross-track uncertainty : 0.4 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#189 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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