Cora»Occultation

2024-06-28 / UCAC4 434-065045 / (489) Comacina

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Mikhail Ashchepkau, Michel Turchenko	O+	VID	M150	BY	PHONE	20:14:30	20:15:58.096	20:16:10.498	20:17:30	0.05	0.05	12.40	111.6

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

1 observation found in db: sodis

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

JPL#149 : e3a8d5f0-ddb4-11f0-547e-1392ffff1255 [db: observed]

Using prediction e3a8d5f0-ddb4-11f0-547e-1392ffff1255 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-06-28, 20:15 UT (JD = 2460490.344)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 809	None	9.023	88°, -43°	2.445801e6	14689.3	0.0°	None	None	not scaled	2016-01-04
# 810	None	9.023	265°, -16°	2.445801e6	14689.3	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] : e3a8d5f0-ddb4-11f0-547e-1392ffff1255 [observed] Occultation Date + Time : 2024-06-28 at 20:19:10 UT +/- 0.01 min [1] Object Designation : (489) Comacina Orbit Class : MBA Star Designation : GDR3 4357634446557049984 Star Coordinates (ICRF) : RA = 16 27 19.7617, DE = -03 15 36.121 [2] Star Magnitudes : G = 11.12 mag, RP = 10.56 mag, BP = 11.51 mag Object Magnitude : V = 13.51 mag Estimated Magnitude Drop : 2.5 mag Estimated Max. Duration : 15.4 sec Object Mean Diameter : 139.4 km (src: astorb) Speed of the shadow : 9.0 km/s Elongation to Moon & Sun : 120° (sunlit = 51%), Sun = 144° Cross-track uncertainty : 0.4 mas = 0 km = 0.00 path-width (1-sig) RUWE and duplicate source : 1.44 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#149 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : e3a8d5f0-ddb4-11f0-547e-1392ffff1255 [observed] Occultation Date + Time : 2024-06-28 at 20:19:10 UT +/- 0.01 min [1] Object Designation : (489) Comacina Orbit Class : MBA Star Designation : GDR3 4357634446557049984 Star Coordinates (ICRF) : RA = 16 27 19.7617, DE = -03 15 36.121 [2] Star Magnitudes : G = 11.12 mag, RP = 10.56 mag, BP = 11.51 mag Object Magnitude : V = 13.51 mag Estimated Magnitude Drop : 2.5 mag Estimated Max. Duration : 15.4 sec Object Mean Diameter : 139.4 km (src: astorb) Speed of the shadow : 9.0 km/s Elongation to Moon & Sun : 120° (sunlit = 51%), Sun = 144° Cross-track uncertainty : 0.4 mas = 0 km = 0.00 path-width (1-sig) RUWE and duplicate source : 1.44 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#149 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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