Cora»Occultation

2023-04-20 / UCAC4 398-133749 / (792) Metcalfia

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Oscar Canales, Ch.Oncins - S.Lacarcel	O+	VID	M200	ES	GPS	03:32:31	03:33:30.43	03:33:32.93	03:34:31	0.53	0.53	2.50	64.5
2	show	Javier Prat, Periko Martorell	O-	CCD	M300	ES	GPS	03:33:02			03:38:31

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#79 : 922ea3e0-ddb3-11f0-547e-2ca4dbda118a [db: observed]

Using prediction 922ea3e0-ddb3-11f0-547e-2ca4dbda118a for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-04-20, 03:32 UT (JD = 2460054.647)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 488	None	9.178	274°, -13°	2.443957e6	16097.6	0.0°	None	None	not scaled	2013-02-11
# 489	None	9.178	88°, -14°	2.443957e6	16097.6	0.0°	None	None	not scaled	2013-02-11

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] : 922ea3e0-ddb3-11f0-547e-2ca4dbda118a [observed] Occultation Date + Time : 2023-04-20 at 03:34:35 UT +/- 0.0 min [1] Object Designation : (792) Metcalfia Orbit Class : MBA Star Designation : GDR3 6892593345169446528 Star Coordinates (ICRF) : RA = 21 20 16.0040, DE = -10 35 23.180 [2] Star Magnitudes : G = 13.71 mag, RP = 13.09 mag, BP = 14.12 mag Object Magnitude : V = 15.95 mag Estimated Magnitude Drop : 2.4 mag Estimated Max. Duration : 2.4 sec Object Mean Diameter : 60.7 km (src: astorb) Speed of the shadow : 25.8 km/s Elongation to Moon & Sun : 70° (sunlit = 0%), Sun = 71° Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 2.11 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#79 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 922ea3e0-ddb3-11f0-547e-2ca4dbda118a [observed] Occultation Date + Time : 2023-04-20 at 03:34:35 UT +/- 0.0 min [1] Object Designation : (792) Metcalfia Orbit Class : MBA Star Designation : GDR3 6892593345169446528 Star Coordinates (ICRF) : RA = 21 20 16.0040, DE = -10 35 23.180 [2] Star Magnitudes : G = 13.71 mag, RP = 13.09 mag, BP = 14.12 mag Object Magnitude : V = 15.95 mag Estimated Magnitude Drop : 2.4 mag Estimated Max. Duration : 2.4 sec Object Mean Diameter : 60.7 km (src: astorb) Speed of the shadow : 25.8 km/s Elongation to Moon & Sun : 70° (sunlit = 0%), Sun = 71° Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 2.11 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#79 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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