Cora»Occultation

2023-06-13 / UCAC4 416-086833 / (676) Melitta

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Zdenek Moravec, Bohuslav Matous	O+	CCD	T432	CZ	GPS	21:16:00	21:16:58.63	21:17:06.68	21:17:59	0.18	0.13	8.05	78.1
2	show	Olivier Schreurs	O-	VID	M410	BE	GPS	21:16:39			21:18:40

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#81 : 2fd77f80-ddb0-11f0-547e-d028ffbfa35c [db: observed]

JPL#81 : acff6ab0-ddb3-11f0-547e-0dc6ed9ffbc6 [db: observed]

Using prediction 2fd77f80-ddb0-11f0-547e-d028ffbfa35c for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-06-13, 21:15 UT (JD = 2460109.385)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 5680	1.0	16.741	64°, -74°	2.457324e6	2785.4	0.0°	None	2020-10-05	not scaled	2019-10-23
# 5681	1.0	16.741	236°, -26°	2.457324e6	2785.4	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] : 2fd77f80-ddb0-11f0-547e-d028ffbfa35c [observed] Occultation Date + Time : 2023-06-13 at 21:12:45 UT +/- 0.0 min [1] Object Designation : (676) Melitta Orbit Class : MBA Star Designation : GDR3 4252785395793248512 Star Coordinates (ICRF) : RA = 18 42 31.2453, DE = -06 50 33.225 [2] Star Magnitudes : G = 13.62 mag, RP = 12.6 mag, BP = 14.67 mag Object Magnitude : V = 13.91 mag Estimated Magnitude Drop : 0.9 mag Estimated Max. Duration : 8.3 sec Object Mean Diameter : 80.0 km (src: astorb) Speed of the shadow : 9.7 km/s Elongation to Moon & Sun : 110° (sunlit = 19%), Sun = 156° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 2fd77f80-ddb0-11f0-547e-d028ffbfa35c [observed] Occultation Date + Time : 2023-06-13 at 21:12:45 UT +/- 0.0 min [1] Object Designation : (676) Melitta Orbit Class : MBA Star Designation : GDR3 4252785395793248512 Star Coordinates (ICRF) : RA = 18 42 31.2453, DE = -06 50 33.225 [2] Star Magnitudes : G = 13.62 mag, RP = 12.6 mag, BP = 14.67 mag Object Magnitude : V = 13.91 mag Estimated Magnitude Drop : 0.9 mag Estimated Max. Duration : 8.3 sec Object Mean Diameter : 80.0 km (src: astorb) Speed of the shadow : 9.7 km/s Elongation to Moon & Sun : 110° (sunlit = 19%), Sun = 156° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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