Cora»Occultation

2025-08-25 / UCAC4 520-001388 / (51627) 2001 HK38

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Joachim Siegert	O+	VID	M203	DE	GPS	23:30:36	23:31:37.55	23:31:40.28	23:32:36	0.100	0.130	2.73	6.0

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#52 : 518268a0-ddb7-11f0-547e-24e0bffb5438 [db: observed]

Using prediction 518268a0-ddb7-11f0-547e-24e0bffb5438 for map and profile fit

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Event Details
Occultation UUID [and DB] : 518268a0-ddb7-11f0-547e-24e0bffb5438 [observed] Occultation Date + Time : 2025-08-25 at 23:34:19 UT +/- 0.1 min [1] Object Designation : (51627) 2001 HK38 Orbit Class : MBA Star Designation : GDR3 2777676713214601856 Star Coordinates (ICRF) : RA = 00 50 11.3476, DE = +13 49 13.530 [2] Star Magnitudes : G = 14.13 mag, RP = 13.57 mag, BP = 14.53 mag Object Magnitude : V = 18.07 mag Estimated Magnitude Drop : 4.0 mag Estimated Max. Duration : 2.0 sec Object Mean Diameter : 4.5 km (src: astorb) Speed of the shadow : 2.2 km/s Elongation to Moon & Sun : 166° (sunlit = 8%), Sun = 136° Cross-track uncertainty : 2.3 mas = 2 km = 0.56 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#52 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 518268a0-ddb7-11f0-547e-24e0bffb5438 [observed] Occultation Date + Time : 2025-08-25 at 23:34:19 UT +/- 0.1 min [1] Object Designation : (51627) 2001 HK38 Orbit Class : MBA Star Designation : GDR3 2777676713214601856 Star Coordinates (ICRF) : RA = 00 50 11.3476, DE = +13 49 13.530 [2] Star Magnitudes : G = 14.13 mag, RP = 13.57 mag, BP = 14.53 mag Object Magnitude : V = 18.07 mag Estimated Magnitude Drop : 4.0 mag Estimated Max. Duration : 2.0 sec Object Mean Diameter : 4.5 km (src: astorb) Speed of the shadow : 2.2 km/s Elongation to Moon & Sun : 166° (sunlit = 8%), Sun = 136° Cross-track uncertainty : 2.3 mas = 2 km = 0.56 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#52 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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