Cora»Occultation

2024-12-24 / UCAC4 510-032585 / (3428) Roberts

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jordi Marco	O+	CCD	M235	ES	NTP	00:25:35	00:27:12.20	00:27:12.48	00:29:00	0.05	0.05	0.28	3.0
2	show	Carles Schnabel	O-	VID	M400	ES	GPS	00:25:13			00:29:37
3	show	Antoni Selva	O-	VID	M500	ES	GPS	00:25:43			00:28:43

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

3 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#61 : ca277d10-ddb5-11f0-547e-78aab7bfa048 [db: observed]

Using prediction ca277d10-ddb5-11f0-547e-78aab7bfa048 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-12-24, 00:27 UT (JD = 2460668.519)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 956	None	3.278	231°, 49°	2.453073e6	7595.5	0.0°	None	None	not scaled	2016-01-04
# 957	None	3.278	63°, 49°	2.453073e6	7595.5	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] : ca277d10-ddb5-11f0-547e-78aab7bfa048 [observed] Occultation Date + Time : 2024-12-24 at 00:27:52 UT +/- 0.0 min [1] Object Designation : (3428) Roberts Orbit Class : MBA Star Designation : GDR3 3351416513541653632 Star Coordinates (ICRF) : RA = 06 53 24.2653, DE = +11 57 41.715 [2] Star Magnitudes : G = 12.58 mag, RP = 12.17 mag, BP = 12.84 mag Object Magnitude : V = 15.66 mag Estimated Magnitude Drop : 3.1 mag Estimated Max. Duration : 1.1 sec Object Mean Diameter : 11.9 km (src: astorb) Speed of the shadow : 10.8 km/s Elongation to Moon & Sun : 91° (sunlit = 40%), Sun = 165° Cross-track uncertainty : 0.4 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 1.26 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : ca277d10-ddb5-11f0-547e-78aab7bfa048 [observed] Occultation Date + Time : 2024-12-24 at 00:27:52 UT +/- 0.0 min [1] Object Designation : (3428) Roberts Orbit Class : MBA Star Designation : GDR3 3351416513541653632 Star Coordinates (ICRF) : RA = 06 53 24.2653, DE = +11 57 41.715 [2] Star Magnitudes : G = 12.58 mag, RP = 12.17 mag, BP = 12.84 mag Object Magnitude : V = 15.66 mag Estimated Magnitude Drop : 3.1 mag Estimated Max. Duration : 1.1 sec Object Mean Diameter : 11.9 km (src: astorb) Speed of the shadow : 10.8 km/s Elongation to Moon & Sun : 91° (sunlit = 40%), Sun = 165° Cross-track uncertainty : 0.4 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 1.26 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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