Cora»Occultation

2025-08-15 / UCAC4 568-015554 / (9559) 1987 DH6

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Stefan Meister	O+	VID	M200	CH	GPS	03:02:03	03:02:25.270	03:02:25.870	03:02:48	0.050	0.050	0.60	17.1

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#71 : 3e80fdc0-ddb7-11f0-547e-d4c0fccb4311 [db: observed]

Using prediction 3e80fdc0-ddb7-11f0-547e-d4c0fccb4311 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-08-15, 03:01 UT (JD = 2460902.626)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 5875	1.0	205.140	242°, 73°	2.457246e6	3656.6	0.0°	None	2020-10-05	not scaled	2019-10-23
# 5876	1.0	205.140	58°, 74°	2.457246e6	3656.6	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] : 3e80fdc0-ddb7-11f0-547e-d4c0fccb4311 [observed] Occultation Date + Time : 2025-08-15 at 03:04:26 UT +/- 0.0 min [1] Object Designation : (9559) 1987 DH6 Orbit Class : MBA Star Designation : GDR3 3415807182936132224 Star Coordinates (ICRF) : RA = 05 12 46.7423, DE = +23 27 50.578 [2] Star Magnitudes : G = 11.73 mag, RP = 10.82 mag, BP = 12.58 mag Object Magnitude : V = 19.34 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 7.0 km (src: astorb) Speed of the shadow : 28.5 km/s Elongation to Moon & Sun : 41° (sunlit = 62%), Sun = 63° Cross-track uncertainty : 0.2 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.23 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#71 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 3e80fdc0-ddb7-11f0-547e-d4c0fccb4311 [observed] Occultation Date + Time : 2025-08-15 at 03:04:26 UT +/- 0.0 min [1] Object Designation : (9559) 1987 DH6 Orbit Class : MBA Star Designation : GDR3 3415807182936132224 Star Coordinates (ICRF) : RA = 05 12 46.7423, DE = +23 27 50.578 [2] Star Magnitudes : G = 11.73 mag, RP = 10.82 mag, BP = 12.58 mag Object Magnitude : V = 19.34 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 7.0 km (src: astorb) Speed of the shadow : 28.5 km/s Elongation to Moon & Sun : 41° (sunlit = 62%), Sun = 63° Cross-track uncertainty : 0.2 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.23 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#71 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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